CN106522359B - Fully-assembled village and town dwelling type composite wall structure system and construction method thereof - Google Patents
Fully-assembled village and town dwelling type composite wall structure system and construction method thereof Download PDFInfo
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- CN106522359B CN106522359B CN201611012371.7A CN201611012371A CN106522359B CN 106522359 B CN106522359 B CN 106522359B CN 201611012371 A CN201611012371 A CN 201611012371A CN 106522359 B CN106522359 B CN 106522359B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
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- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
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Abstract
A fully-assembled village and town dwelling type composite wall structure system comprises a prefabricated building main body bearing component and prefabricated auxiliary components, wherein in the process of prefabricating the building main body bearing component and the prefabricated auxiliary components in a factory, a building equipment pipeline is pre-embedded; during on-site construction, the connection between the wall boards is realized by pouring the reinforced concrete connecting columns with smaller sections, and the connection between the wall boards and the laminated floor slabs is realized by pouring the reinforced concrete restraining hidden beams with smaller sections; all the component parts are produced in a workshop by adopting a prefabricating technology, so that the quality of the component parts is effectively ensured; the construction method has the advantages that the construction and installation team conducts hoisting and construction on the construction site, meanwhile, a small amount of wet connection is adopted only at the key connection position of the component and the floor slab overlapping layer, a small amount of concrete is poured, the integral stability and the anti-seismic performance of the building are guaranteed, the site construction operation area is saved, the main structure can be hoisted and finished only in a few days in one set of village and town dwellings, and the construction period is greatly shortened.
Description
Technical Field
The invention belongs to the technical field of buildings, and particularly relates to a fully-assembled village and town dwelling type composite wall structure system and a construction method thereof.
Background
With the rapid development of national economy and the acceleration of urbanization process, the problem of energy consumption is increasingly serious. The assembled house is the direction of energy-saving building development and is also a shortcut for popularizing green buildings, thereby being beneficial to realizing energy conservation and emission reduction, promoting green safe construction, improving the use efficiency of resource and energy, being more beneficial to improving the building space health index and comfort degree and improving the living environment. The energy-saving technology for reducing the energy consumption of buildings by non-mechanical electrical equipment intervention means, namely 'passive buildings', has increasingly become the focus of attention in the industry.
At present, due to the lack of corresponding supervision, construction of village and town dwelling-type projects in China is mostly extensive, not only is the construction quality not effectively guaranteed, but also a large amount of dust in construction pollutes the environment, and most buildings are not subjected to heat preservation treatment, so that the houses cannot be effectively used for saving resources and reducing energy consumption.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a fully-assembled village and town dwelling type composite wall structure system and a construction method thereof, and the fully-assembled village and town dwelling type composite wall structure system is a heat-preservation and load-bearing integrated fully-assembled village and town dwelling house system based on a passive heat-preservation design concept; the main bearing structure (the prefabricated inverted trapezoidal groove type composite wall, the prefabricated truss reinforced concrete composite floor slab and the prefabricated reinforced concrete composite beam) and the auxiliary components (the prefabricated reinforced concrete stair, the prefabricated reinforced concrete balcony, the prefabricated reinforced concrete canopy, the prefabricated reinforced concrete air-conditioning plate and the prefabricated composite parapet) in the building structure system all adopt the prefabrication technology, the technology of the sandwich heat-insulation composite wall body and the sandwich heat-insulation composite floor slab is mainly applied, the energy-saving mode of the building is realized through the space form, the enclosing structure, the design of building materials and the structure of the building, and the integrated production of the equipment pipe network and the prefabricated components is combined, so that the fully-assembled composite wall structure system based on the passive heat-insulation concept is realized; compared with the traditional residence, the novel integrated technology not only has the advantages of good anti-seismic performance, light structure dead weight, high construction speed, small environmental pollution and the like, but also has the advantages of building wallboard double-sided finishing, pre-embedding of equipment pipelines, sockets and switches into the wall body, no need of later-stage additional construction, and provides certain technical support and engineering demonstration basis for vigorously promoting the residence industrialization in China.
In order to achieve the purpose, the invention adopts the technical scheme that:
a fully-assembled villages and towns dwelling place type composite wall structure system comprises a prefabricated building main body bearing component and prefabricated auxiliary components, wherein the wall boards are connected through pouring reinforced concrete connecting columns 44 with small cross sections, and the wall boards and a truss reinforced concrete composite floor slab are connected through pouring reinforced concrete restraining dark beams 45 with small cross sections.
The prefabricated building body load bearing member comprises:
the prefabricated inverted trapezoidal groove type composite wall body is characterized in that edge rib columns of the prefabricated inverted trapezoidal groove type composite wall body are in inverted trapezoidal groove type shapes at steel tapping ribs, the inverted trapezoidal grooves refer to the fact that the lower bottoms of trapezoids are open ends, and the waists of the upper sides of the trapezoids are oblique waists;
prefabricating a truss reinforced concrete composite floor slab 37;
and a prefabricated reinforced concrete superposed beam 39;
the prefabricated accessory member includes:
prefabricated reinforced concrete stairs 40, prefabricated reinforced concrete balconies, prefabricated reinforced concrete rain sheds 41, prefabricated reinforced concrete air-conditioning boards 42 and prefabricated composite parapet walls.
The precast truss reinforced concrete composite floor slab 37 includes:
the prefabricated bottom plate concrete layer 14, a top cast-in-place concrete layer 16 arranged on the prefabricated bottom plate concrete layer 14, plate bottom stress and distribution steel bars 13 arranged in the prefabricated bottom plate concrete layer 14 and truss steel bars 17 used for connecting the prefabricated bottom plate concrete layer 14 and the top cast-in-place concrete layer 16;
a prefabricated bottom plate heat-insulating layer 15 is arranged between a prefabricated bottom plate concrete layer 14 and a top cast-in-place concrete layer 16 of the prefabricated truss reinforced concrete composite floor slab 37 to form a prefabricated sandwich heat-insulating truss reinforced concrete composite roof panel 38;
prefabricated trapezoidal slot type composite wall includes:
the prefabricated inverted trapezoidal groove type composite wallboard 30 with the inverted trapezoidal groove type side ribs 12 comprises a concrete frame lattice consisting of concrete rib columns 7 and concrete rib beams 8, ecological blocks 6 are embedded in the concrete frame lattice, and the front surface and the back surface of the wallboard are both fine stone concrete plastered surfaces 11;
the prefabricated sandwich heat-insulation inverted-trapezoidal groove type composite wallboard 25 is composed of a prefabricated inverted-trapezoidal groove type composite wallboard 30, a heat-insulation layer 5 arranged on the prefabricated inverted-trapezoidal groove type composite wallboard 30 and a concrete protection layer 1 arranged on the heat-insulation layer 5;
the prefabricated composite parapet is formed by connecting and combining prefabricated composite parapet wallboards 43 and prefabricated double-layer capping beams 22 through bonding mortar 23.
The prefabricated bottom plate heat-insulating layer 15 and the heat-insulating layer 5 are both made of EPS molded polystyrene boards or EPS polystyrene particle concrete;
a bottom equipment wire pipe installation reserved groove 29 is arranged at the bottom of the prefabricated inverted trapezoidal groove type composite wallboard 30, a top equipment wire pipe installation reserved groove 33 is arranged at the top of the prefabricated inverted trapezoidal groove type composite wallboard, an electric pipeline 28 and an electric switch socket 31 are pre-embedded in the wallboard, and a distribution box hole 32 is reserved on the wallboard, so that the prefabricated inverted trapezoidal groove type composite wallboard 30 integrating water and electricity is formed;
a bottom equipment line pipe installation reserved groove 29 is arranged at the bottom of the prefabricated sandwich heat-insulation inverted-trapezoidal groove type composite wallboard 25, and an electric pipeline 28, a low-level switch socket 26 and a high-level switch socket 27 are pre-embedded in the wallboard, so that the prefabricated sandwich heat-insulation inverted-trapezoidal groove type composite wallboard 25 integrating water and electricity is formed;
prefabricated composite parapet wallboard 43 includes and connects the concrete frame check that constitutes by indulging rib 19 and horizontal rib 20, embedded ecological block material 6 in the concrete frame check, ecological block material 6's height and sash highly uniform, form vertical piece 18 between the adjacent ecological block material 6, have horizontal rib to indulge muscle 21 in the horizontal rib 20, adjacent concrete frame check through connect after water area 24 and horizontal rib indulge muscle 21 and realize connecting, in prefabricated double-deck capping beam 22, the cross-section of upper strata roof beam is greater than the cross-section of lower floor's roof beam, and lower floor's roof beam passes through bonding mortar 23 and sets up the top at the concrete frame check.
The invention also provides a construction method of the fully-assembled village and town dwelling type composite wall structure system, which comprises the following steps:
prefabricating a building main body bearing member and prefabricated auxiliary members in a factory, and embedding a building equipment pipeline in advance in the process;
during on-site construction, the connection between the wall boards is realized by pouring the reinforced concrete connecting columns 44 with smaller sections, and the connection between the wall boards and the laminated floor slabs is realized by pouring the reinforced concrete restraining hidden beams 45 with smaller sections.
The factory prefabrication comprises the following steps:
the method comprises the following steps: producing a prefabricated inverted trapezoidal groove type composite wallboard 30;
step two: producing a prefabricated sandwich heat-insulation inverted trapezoidal groove type composite wallboard 25;
step three: production of prefabricated sandwich heat-insulating truss reinforced concrete superposed roof panels 38;
step four: and the production of other prefabricated elements.
In the first step, firstly, assembling a special steel template, pouring fine aggregate concrete at the bottom layer, manufacturing a steel reinforcement framework of a concrete rib beam 10 and a concrete rib column 9, putting the steel reinforcement framework into a mold, putting an ecological block 6, putting a reserved wire box, a reserved pipeline and other embedded parts, pouring the fine aggregate concrete, then leveling and plastering, performing standard maintenance after prefabrication is completed, and lifting when the strength of the concrete reaches 75% of a design value;
in the second step, an inverted manufacturing method is adopted, firstly, a special steel template for the heat-insulating layer is assembled, a steel bar mesh 4 is manufactured, the steel bar mesh 4 is put into a mold, a cushion block of the heat-insulating layer is placed, and concrete is poured; then laying an insulating layer 5, spreading and smearing the mixed insulating bonding mortar 2 on the surface of the insulating layer 5 when laying the insulating board, knocking and vibrating the laid insulating layer 5 by a rubber hammer to be compact, and inserting insulating nails; after the wallboard of the heat-insulating layer 5 meets the required strength requirement, assembling a special structural layer steel template on the wallboard, manufacturing a steel reinforcement framework, putting the wall steel reinforcement framework into a mold, fully spreading heat-insulating bonding mortar 2 on the heat-insulating layer 5, filling ecological blocks 6 into rib grids of the wallboard, placing reserved wire boxes, pipelines and other embedded parts, then pouring concrete, finally leveling and plastering, performing standard maintenance after prefabrication is finished, and lifting when the strength of the concrete reaches 75% of a designed value;
in the third step, firstly assembling a special steel template, binding a reinforcing mesh sheet, placing the reinforcing mesh sheet into the template, placing a protective layer cushion block, placing and reserving a wire box, a pipeline and other embedded parts, pouring fine stone concrete, performing roughening treatment after vibrating and driving flat, performing standard maintenance, assembling an upper template after the strength of the prefabricated bottom plate reaches 75%, pouring polyphenyl granule concrete, performing roughening treatment after vibrating and driving flat, performing standard maintenance finally, lifting after the strength of the concrete reaches 75% of a design value, after hoisting on a construction site is completed, binding and fixing reinforcing steel bars at the top of the roof panel, and pouring a layer of concrete to form the prefabricated sandwich heat-preservation truss reinforced concrete superposed roof panel 38;
in the fourth step, other prefabricated components comprise a prefabricated reinforced concrete superposed beam 39, a prefabricated reinforced concrete stair 40 and a prefabricated composite parapet, professional steel templates or plastic templates are adopted, concrete is poured after the bound reinforcement cage or mesh is placed into a mold, then leveling and plastering are carried out, finally standard maintenance is carried out, and the prefabricated parapet can be lifted after the strength of the concrete reaches 75% of a design value.
In the second step, the laying of the heat-insulating layer 5 is finished within 20min after the concrete protective layer 1 is poured, and the smearing of the heat-insulating bonding mortar 2 is a complete layer plastering method; filling the ecological block 6 into the wall panel rib grids within 10min after coating
In the third step, if an EPS molding polystyrene board sandwich heat preservation mode is adopted, the prefabricated bottom board can be directly paved after the pouring of the prefabricated bottom board is finished.
The concrete body of the polyphenyl granule concrete comprises 333kg of cement, 37kg of silica fume, 16.65kg of rubber powder, 2.405kg of methyl cellulose ether, 1.665kg of polypropylene fiber, 3.33kg of wood fiber, 1.11kg of waterproofing agent, 3.7kg of water reducing agent and 0.74kg of air entraining agent.
Compared with the prior art, the invention has the beneficial effects that:
1. the steel-tapping rib positions at the side edges of the prefabricated inverted trapezoidal groove type composite wallboard and the prefabricated sandwich heat-insulation inverted trapezoidal groove type composite wallboard adopt inverted trapezoidal groove forms, the problem of concrete compactness of post-pouring connecting columns between wallboards in a construction site is solved, the friction force between the wallboards and the post-pouring connecting columns is increased, and the integrity and the shock resistance of the structure are improved.
2. Main part bearing structure (prefabricated trapezoidal slot type composite wall, prefabricated truss reinforced concrete coincide floor, prefabricated reinforced concrete coincide roof beam) and accessory component (prefabricated reinforced concrete stair, prefabricated reinforced concrete balcony, prefabricated reinforced concrete canopy, prefabricated reinforced concrete air-conditioning board, prefabricated compound parapet) all adopt prefabricated technique among this building structure system, the industrialized production mode, when improving the building quality, satisfy the higher prefabricated rate of villages and small towns residential building and rate of assembly, the normalization of key parts article has also been realized, unification and diversification, in order to realize the diversified demand of different buildings, have the energy consumption shock attenuation simultaneously, ecological environmental protection, quick construction, advantages such as economical and practical.
3. The integrated design and construction of the equipment pipe network are realized, the coordination among all the specialties is fully considered in the design stage, the equipment specialties such as water supply and drainage, electricity and heating ventilation and the like are combined with the split design, the pipeline penetrating through a wall body is pre-embedded and the pipeline opening penetrating through a floor slab is reserved in the part production stage, the trouble of mounting the water and electricity pipeline in a secondary grooving at the later stage is avoided, the requirements of high efficiency and high quality of building construction, low resource consumption and low environmental influence for building use are met, and the concept of innovation development, coordinated development and green development proposed in the thirteen-five planning in China is met.
4. The heat-insulating and load-bearing integrated technology of the prefabricated sandwich heat-insulating inverted trapezoidal groove type external wall panel and the prefabricated sandwich heat-insulating truss reinforced concrete superposed roof panel is adopted, and the energy loss of a room is reduced to the minimum by combining with structural measures such as an efficient door and window system and the like, so that the design concept based on a passive heat-insulating building is realized.
Drawings
Figure 1 is a schematic view of the structure of a prefabricated composite wall panel of the present invention.
Fig. 2 is a side view of fig. 1.
Fig. 3 is a cross-sectional view of fig. 1.
FIG. 4 is a schematic structural view of the prefabricated sandwich insulation composite wall panel of the present invention.
Fig. 5 is a side view of fig. 4.
Fig. 6 is a cross-sectional view of fig. 4.
Fig. 7 is a schematic structural view of the prefabricated inverted trapezoidal groove type composite wall panel of the present invention.
FIG. 8 is a schematic view of the prefabricated sandwich insulation inverted trapezoidal groove type composite wall panel of the present invention.
Fig. 9 is a schematic structural view of the composite reinforced concrete floor truss structure of the invention.
Fig. 10 is a schematic view of the structure of the truss steel bar sandwich thermal insulation laminated roof panel.
Fig. 11 is a cross-sectional view of fig. 10.
Fig. 12 is a schematic view of the structure of the prefabricated composite parapet of the present invention.
FIG. 13 is a schematic view of the assembly of the prefabricated composite parapet wall panels and capping beams of the present invention.
Fig. 14 is a schematic view of the pipe network integration structure of the main building equipment.
FIG. 15 is a schematic diagram of the passive thermal insulation fully-assembled composite wall structure system according to the present invention.
Fig. 16 is a building elevation of the passive insulation fully-assembled composite wall structure system of the present invention.
Detailed Description
The embodiments of the present invention will be described in detail below with reference to the drawings and examples.
The invention relates to a fully-assembled composite wall structure system, which comprises: the prefabricated building comprises prefabricated building main body bearing components (prefabricated inverted trapezoidal groove type composite walls, prefabricated truss reinforced concrete composite floor slabs, prefabricated reinforced concrete composite beams and the like) and prefabricated auxiliary components (prefabricated reinforced concrete stairs, prefabricated reinforced concrete balconies, prefabricated reinforced concrete rain sheds, prefabricated reinforced concrete air-conditioning slabs, prefabricated composite parapet walls and the like). Construction site: only reinforced concrete connecting columns 44 with small sections need to be poured between the wall plates; the wallboard and the composite floor slab only need to pour the reinforced concrete restraint hidden beam 45 with a smaller section, the wet workload of the structure construction is greatly reduced, and the prefabrication rate of the whole building (the overground part) reaches more than 80% for low-rise village and town dwellings projects.
The prefabricated inverted trapezoidal groove type composite wall comprises a prefabricated inverted trapezoidal groove type composite wallboard and a prefabricated sandwiched heat-preservation inverted trapezoidal groove type composite wallboard.
1) Prefabricated inverted trapezoidal groove type composite wallboard 30: as shown in fig. 1, 2 and 3, the concrete rib column 7 is a concrete frame composed of a concrete rib column 7 and a concrete rib beam 8 with small cross section and reinforcing bars, and ecological blocks 6 such as autoclaved aerated concrete blocks or ceramsite concrete blocks are embedded in the concrete frame, a rib column longitudinal bar 9 is arranged in the concrete rib column 7, and a rib beam longitudinal bar 10 is arranged in the concrete rib beam 8. Compared with common reinforced concrete shear walls and brick walls, the reinforced concrete shear wall has the advantages of light dead weight, low steel content, good earthquake resistance and the like. Meanwhile, the equipment pipeline, the electrical switch and the wire box socket are formed in one step in production; the component is two-sided to be smeared, the wallboard positive and negative is the fine aggregate concrete and smears 11, later stage building only needs puttying, the mopping can, need not the secondary and make level and smear the processing, wallboard limit rib post adopts purpose-made steel form preparation simultaneously, make the limit rib post be the trapezoidal slot type shape of falling in steel bar department, form trapezoidal slot type side rib 12 of falling, the compound wallboard of this kind of innovation form not only changes in the closely knit degree of on-the-spot spliced pole concrete placement, and increased the frictional force between spliced pole and the wallboard, and can play the effect that increases the anchor length of wallboard side direction play reinforcing bar, make to connect between the compound wallboard more stable, more be favorable to the antidetonation.
2) Prefabricated sandwich insulation inverted trapezoidal groove type composite wall panel 25: as shown in fig. 4, 5 and 6, the composite wall comprises a structural layer (a load-bearing prefabricated ecological composite wall panel, i.e. the prefabricated inverted trapezoidal groove type composite wall panel 30), an insulating layer 5 and a concrete protective layer 1, which are connected by an insulating connector 3, wherein the insulating layer 5 is made of EPS molded polystyrene board or EPS polystyrene particle concrete (the thickness is determined by energy-saving calculation), and the thickness of the concrete protective layer 1 is generally 50 mm. The prefabricated sandwich heat-insulating inverted trapezoidal groove type composite wallboard is used as an external wallboard, is used as an important component of a fully-assembled composite wall structure system, can not only meet the integrated functions of heat insulation and energy conservation and bearing, but also have the advantages of the prefabricated inverted trapezoidal groove type composite wallboard, and because the wall body and heat-insulating materials can be produced in an integrated manner, the defects of poor heat-insulating property and the like of the traditional building can be easily solved, the heat insulation and the service life of the building can be ensured to be same as the service life of the building, the economic benefit of the building engineering is improved, and the technical problem that the wall body integrates stress, maintenance, energy conservation and economy is reasonably solved.
On the basis, a bottom equipment wire tube installation preformed groove 29 is arranged at the bottom of the prefabricated inverted trapezoidal groove type composite wallboard, a top equipment wire tube installation preformed groove 33 is arranged at the top of the prefabricated inverted trapezoidal groove type composite wallboard, the electrical pipeline 28 of DN20PVC specification and the electrical switch socket 31 of 86 type specification are pre-embedded in the wallboard, and a distribution box hole 32 is pre-reserved on the wallboard, so that the prefabricated inverted trapezoidal groove type assembly type composite wallboard 30 is formed, as shown in fig. 7.
The prefabricated sandwich insulation inverted trapezoidal groove type composite wallboard is characterized in that a bottom equipment line pipe installation reserved groove 29 is formed in the bottom of the prefabricated sandwich insulation inverted trapezoidal groove type composite wallboard, and an electric pipeline 28, a 86-type low-level switch socket 26 and a high-level switch socket 27 are embedded in the wallboard, so that the prefabricated sandwich insulation inverted trapezoidal groove type assembly type composite wallboard 25 is formed, and is shown in fig. 8.
3) Prefabricated truss reinforced concrete composite floor slab 37: as shown in fig. 9, the prefabricated concrete floor slab comprises a prefabricated concrete floor slab 14, a top cast-in-place concrete slab 16 arranged on the prefabricated concrete floor slab 14, slab-bottom stress and distribution steel bars 13 arranged in the prefabricated concrete floor slab 14, and truss steel bars 17 for connecting the prefabricated concrete floor slab 14 and the top cast-in-place concrete slab 16.
The floor pre-buried lighting 86 type wire box 34, the DN20PVC electric pipeline 35 and the hole 36 of the truss steel bar composite floor reserved equipment can be preset on the prefabricated truss steel bar composite floor 37.
4) Prefabricated sandwich insulation truss reinforced concrete superimposed roof panel 38: as shown in the figures 10 and 11, the prefabricated heat-insulating floor is formed by connecting a prefabricated floor concrete layer 14 (a steel truss concrete prefabricated floor with the thickness of 60 mm), a prefabricated floor heat-insulating layer 15 (the thickness of which is determined by energy-saving calculation by adopting EPS molding polystyrene board or polystyrene granule concrete) and a top cast-in-place concrete layer 16 (with the thickness of 60 mm) through truss steel bars 17, so that the prefabricated heat-insulating floor not only has the advantage of good overall working performance of 37, but also has the advantages of integration of heat insulation and bearing and the like, and the workload of later-stage field construction operation is reduced.
5) Prefabricating a composite parapet: as shown in fig. 12 and 13, the prefabricated composite parapet wall panel 43 and the prefabricated double-layer capping beam 22 are connected and combined through the bonding mortar 23. The prefabricated composite parapet wall panel 43 is composed of concrete frames with smaller cross sections and reinforcing bars, and embedded light ecological blocks 6. The concrete frame is formed by connecting longitudinal ribs 19 and transverse ribs 20, the height of the ecological blocks 6 is consistent with the height of the frame, vertical abutted seams 18 are formed between the adjacent ecological blocks 6, transverse rib longitudinal ribs 21 are arranged in the transverse ribs 20, and the adjacent concrete frames are connected through connecting post-cast strips 24 and the transverse rib longitudinal ribs 21. In the prefabricated double-layer capping beam 22, the section of the upper layer beam is larger than that of the lower layer beam, and the lower layer beam is arranged above the concrete frame through bonding mortar 23. The prefabricated double-layer capping beam 22 is prefabricated in a factory by adopting a prefabricating technology, so that the quality of components is effectively guaranteed, and the later-stage installation is simple, convenient and quick. Compared with the common reinforced concrete cast-in-place or brick masonry parapet, the parapet has the advantages of light weight, good ductility, excellent earthquake resistance, economy, applicability and the like. Meanwhile, due to the fact that double-sided finishing is adopted during production of the prefabricated part, only putty scraping and paint brushing are needed for later-stage construction, and secondary leveling and finishing treatment is not needed.
6) Other key components: the prefabricated reinforced concrete superposed beam 39, the prefabricated reinforced concrete air-conditioning plate 42, the prefabricated reinforced concrete stairs 40, the prefabricated reinforced concrete balcony, the prefabricated reinforced concrete rain shed 41 and other key components are prefabricated in a factory, so that the component quality is effectively guaranteed, the construction speed is accelerated, and pollutants such as construction waste, sewage, noise, harmful gas, dust and the like in a construction site are reduced, thereby being beneficial to realizing energy conservation and environmental protection, reducing the influence of construction on the surrounding environment to the maximum extent, improving the prefabrication rate and the assembly rate of the whole building, and really realizing the fully-assembled village and town residential structure system.
The invention discloses an integrated design and construction of a pipe network of fabricated composite wall building equipment, which comprises the following steps: as shown in fig. 7, 8 and 14, when the prefabricated inverted trapezoidal groove type composite wall panel and the sandwich insulation inverted trapezoidal groove type composite wall panel are produced, the pipeline of the building equipment is embedded in advance, so that the design and construction of the integration of the pipeline of the building equipment based on the fabricated composite wall are realized. Compared with the traditional wallboard, the wallboard saves the trouble of later-stage secondary grooving and tapping construction, effectively avoids pipeline collision in site construction, greatly reduces the loss and rework problems caused by the errors in the construction stage, and truly achieves the purposes of optimizing space and facilitating construction, installation and use.
The invention realizes the building self-heat preservation technology based on the passive design concept: the design of integration of heat preservation, bearing and maintenance of a building is realized by utilizing the prefabricated sandwich heat preservation inverted trapezoidal groove type composite wall board and the prefabricated sandwich heat preservation truss reinforced concrete superposed roof board. And the energy-saving technology for reducing the building energy consumption is realized by combining a high-efficiency door and window system and selecting an energy-saving heating system, utilizing reasonable building design and integration of various construction measures and adopting a non-mechanical electrical equipment intervention means, so that the building achieves the most comfortable temperature effect with the lowest energy consumption, as shown in fig. 15 and 16.
In the invention, a building main body bearing component and a prefabricated accessory component are prefabricated in a factory, and a building equipment pipeline is pre-embedded in the process; during on-site construction, the connection between the wall boards is realized by pouring the reinforced concrete connecting columns 44 with smaller sections, and the connection between the wall boards and the laminated floor slabs is realized by pouring the reinforced concrete restraining hidden beams 45 with smaller sections.
The method specifically comprises the following steps:
step one, the prefabricated inverted trapezoidal groove type assembled composite wallboard 30 is produced and used as an inner wallboard.
The method comprises the steps of firstly assembling a special steel template, pouring C30 fine aggregate concrete with the thickness of 20mm at the bottom layer, manufacturing a steel reinforcement framework for manufacturing a concrete rib beam 8 and a concrete rib column 9, putting the steel reinforcement framework into a mold, immediately putting an ecological block 6, putting a reserved wire box, a pipeline and other embedded parts according to design, pouring C30 fine aggregate concrete after the correctness is confirmed, then leveling and plastering, performing standard maintenance after the prefabrication is finished, and lifting when the strength of the concrete reaches 75% of a design value.
And step two, producing the prefabricated sandwich heat-insulation inverted trapezoidal groove type composite wallboard 25 to be used as an external wallboard.
An inverted manufacturing method is adopted. Firstly, assembling a special steel template for a heat-insulating layer, manufacturing a steel bar mesh 4, putting the steel bar mesh 4 into a mold, placing a protective layer cushion block, and pouring a concrete protective layer 1 (the protective layer concrete is poured by C30 fine-stone concrete, and the slump of the poured concrete is controlled to be between 180 and 200 mm) after the correctness is confirmed; then laying an insulating layer 5 (adopting a self-extinguishing EPS insulating board or pouring EPS polyphenyl particle concrete with the required thickness by calculation), finishing laying the insulating layer 5 within 20min after the concrete pouring of the protective layer, and spreading and coating the mixed insulating bonding mortar 2 on the surface of the insulating layer 5 when laying the insulating layer 5 so as to enhance the tight bonding of the insulating layer 5 and the concrete protective layer 1, wherein the coating is a complete layer plastering method; the laid heat-insulating layer 5 is compacted by knocking and vibrating with a rubber hammer, and heat-insulating nails are inserted; after the wall board of the heat preservation layer 5 meets the required strength requirement, a special structural layer steel template is assembled on the wall board, a steel reinforcement framework is manufactured, the wall steel reinforcement framework is placed into a mold, the heat preservation layer 5 is fully coated with heat preservation bonding mortar 2, after coating, ecological blocks 6 are filled into rib grids of the wall board within 10min, reserved wire boxes, pipelines and other embedded parts are placed according to design, then concrete is poured, finally, leveling and plastering are carried out, standard maintenance is carried out after prefabrication is completed, and the wall board can be lifted when the strength of the concrete reaches 75% of a design value.
Step three: and producing the prefabricated sandwich heat-insulating truss reinforced concrete superposed roof panel 38.
Firstly, assembling a special steel template and binding a steel bar mesh. Putting the reinforcing mesh into the template, putting the protective layer cushion block, putting the reserved wire box, the pipeline and other embedded parts according to the design, after the correctness is confirmed, pouring C30 fine stone concrete with the thickness of 60mm, after vibrating and driving flat, performing roughening treatment by using a special roughening device, performing standard maintenance, after the strength of the prefabricated bottom plate reaches 75%, assembling an upper template, pouring polyphenyl granule concrete, after vibrating and driving flat, performing roughening treatment, and finally performing standard maintenance, after the strength of the concrete reaches 75% of a designed value, hoisting (note: if an EPS molding polyphenyl plate sandwich heat preservation form is adopted, after the prefabricated bottom plate is poured, directly laying the concrete), after the hoisting is finished in a construction site, a layer of concrete (60mm thick) is poured after the steel bars at the top of the roof panel are bound and fixed, and the prefabricated sandwich heat-insulation truss reinforced concrete superposed roof panel can be formed.
Step four: producing other key prefabricated parts.
The prefabricated reinforced concrete superposed beam 39, the prefabricated reinforced concrete staircase 40, the prefabricated composite parapet and other prefabricated concrete components are produced by adopting professional steel templates or plastic templates, pouring C30 fine stone concrete after the bound reinforcement cage or mesh is put into a mold, immediately carrying out leveling and plastering, finally carrying out standard maintenance, and carrying out hoisting installation after the concrete strength reaches 75% of a design value.
Step five: and the low-energy-consumption design is based on the passive heat preservation concept.
In the plane arrangement of the building, the influence factors of the surrounding environment of the building on the plane arrangement are fully considered, the orientation, bay and depth of the building are reasonably arranged, and the functions are compact, the space is reasonable and the moving line is smooth; in the middle of the building facade arrangement, the natural climate characteristic of the local is combined to be favorable for striving for more winter sunshine and ventilation in transition seasons, the natural ventilation and the reasonable door and window position and size are fully utilized, indoor dirty air is discharged, and the indoor environment is improved. On the construction measure, the stressed enclosing structures of the roof and the main body adopt a sandwich heat-insulating roof panel and a sandwich heat-insulating composite wall panel which are prefabricated in a factory (the thickness of the heat-insulating material is determined by energy-saving calculation); EPS molding polystyrene board and radiation mold 48 are laid on the building ground, a plastic steel double-layer hollow glass window 47 is selected as a building outer facade window, a rock wool board heat-insulation antitheft door 46 is selected as an outdoor door, and a three-dimensional integrated heat-insulation measure is formed, so that the concept of passive heat-insulation building design that the most comfortable temperature requirement can be achieved indoors on the premise of the lowest energy consumption no matter in hot summer or cold winter by only depending on the structural design of the building is realized.
According to the structure and the process, the invention has the following characteristics:
firstly, all prefabricated parts are produced in a workshop by professional workers by adopting a prefabricating technology, so that the quality of the parts is effectively guaranteed, and the surfaces of all the parts are subjected to a double-sided finishing technology due to the fact that the parts are designed and constructed in a water-electricity integrated embedded mode, so that the quality of the parts is greatly improved compared with the conventional cast-in-place construction mode;
secondly, the construction site is hoisted and constructed by the command of professional construction and installation teams, a large amount of construction site operation area is saved, meanwhile, a small amount of wet connection is adopted only at the key connection part of the component members and the floor slab overlapping layer, a small amount of concrete is poured, and the stability and the anti-seismic performance of the whole building are ensured.
By using the invention, the main body structure can be hoisted in a set of residences only in a few days. Greatly reduces the construction period, reduces the pollution of building construction to the surrounding environment and really meets the requirement of five sections and one ring.
Claims (3)
1. The utility model provides a construction method of full assembled villages and small towns local-style dwelling houses class composite wall structure system, full assembled villages and small towns local-style dwelling houses class composite wall structure system includes prefabricated building main part bearing member and prefabricated accessory member, only realizes connecting through pouring less reinforced concrete spliced pole (44) in cross-section between the wallboard, and wallboard and truss reinforced concrete coincide floor are only realized being connected through pouring less reinforced concrete restraint hidden beam (45) in cross-section, its characterized in that, prefabricated building main part bearing member includes:
the prefabricated inverted trapezoidal groove type composite wall body is characterized in that edge rib columns of the prefabricated inverted trapezoidal groove type composite wall body are in inverted trapezoidal groove type shapes at steel tapping ribs, the inverted trapezoidal grooves refer to the fact that the lower bottoms of trapezoids are open ends, and the waists of the upper sides of the trapezoids are oblique waists;
prefabricating a truss reinforced concrete composite floor slab (37);
and prefabricating a reinforced concrete superposed beam (39);
the prefabricated accessory member includes:
the prefabricated reinforced concrete stair (40), the prefabricated reinforced concrete balcony, the prefabricated reinforced concrete canopy (41), the prefabricated reinforced concrete air-conditioning plate (42) and the prefabricated composite parapet wall;
the prefabricated truss reinforced concrete composite floor slab (37) comprises:
the prefabricated concrete slab comprises a prefabricated bottom plate concrete layer (14), a top cast-in-place concrete layer (16) arranged on the prefabricated bottom plate concrete layer (14), slab bottom stress and distribution steel bars (13) arranged in the prefabricated bottom plate concrete layer (14) and truss steel bars (17) used for connecting the prefabricated bottom plate concrete layer (14) and the top cast-in-place concrete layer (16);
arranging a prefabricated bottom plate heat-insulating layer (15) between a prefabricated bottom plate concrete layer (14) and a top cast-in-place concrete layer (16) of the prefabricated truss reinforced concrete composite floor slab (37) to form a prefabricated sandwich heat-insulating truss reinforced concrete composite roof panel (38);
prefabricated trapezoidal slot type composite wall includes:
the prefabricated inverted trapezoidal groove type composite wallboard (30) with the inverted trapezoidal groove type side ribs (12) comprises a concrete frame lattice consisting of concrete rib columns (7) and concrete rib beams (8), ecological blocks (6) are embedded in the concrete frame lattice, and the front surface and the back surface of the wallboard are coated with fine stone concrete (11);
the prefabricated sandwich heat-insulation inverted-trapezoidal groove type composite wallboard (25) is composed of the prefabricated inverted-trapezoidal groove type composite wallboard (30), a heat-insulation layer (5) arranged on the prefabricated inverted-trapezoidal groove type composite wallboard (30) and a concrete protection layer (1) arranged on the heat-insulation layer (5);
the prefabricated composite parapet is formed by connecting and combining prefabricated composite parapet wallboards (43) and prefabricated double-layer capping beams (22) through bonding mortar (23);
the prefabricated bottom plate heat-insulating layer (15) and the heat-insulating layer (5) are both EPS molded polystyrene boards or EPS polystyrene particle concrete;
a bottom equipment wire pipe installation reserved groove (29) is arranged at the bottom of the prefabricated inverted trapezoidal groove type composite wallboard (30), a top equipment wire pipe installation reserved groove (33) is arranged at the top of the prefabricated inverted trapezoidal groove type composite wallboard, an electric pipeline (28) and an electric switch socket (31) are pre-embedded in the wallboard, and a distribution box hole (32) is reserved on the wallboard, so that the water and electricity integrated prefabricated inverted trapezoidal groove type composite wallboard (30) is formed;
a bottom equipment line pipe installation reserved groove (29) is arranged at the bottom of the prefabricated sandwich heat-insulation inverted-trapezoidal groove type composite wallboard (25), and an electric pipeline (28), a low-level switch socket (26) and a high-level switch socket (27) are pre-embedded in the wallboard, so that the water-electricity integrated prefabricated sandwich heat-insulation inverted-trapezoidal groove type composite wallboard (25) is formed;
the prefabricated composite parapet wall board comprises concrete frames formed by connecting longitudinal ribs (19) and transverse ribs (20), ecological blocks (6) are embedded in the concrete frames, the heights of the ecological blocks (6) are consistent with the heights of the frames, vertical splicing joints (18) are formed between the adjacent ecological blocks (6), transverse rib longitudinal ribs (21) are arranged in the transverse ribs (20), the adjacent concrete frames are connected through connecting post-cast strips (24) and the transverse rib longitudinal ribs (21), the section of an upper layer beam is larger than that of a lower layer beam in the prefabricated double-layer capping beam (22), and the lower layer beam is arranged above the concrete frames through bonding mortar (23);
the construction method comprises the following steps:
prefabricating a building main body bearing member and prefabricated auxiliary members in a factory, and embedding a building equipment pipeline in advance in the process;
during on-site construction, the connection between the wallboards is realized by pouring the reinforced concrete connecting column (44) with a smaller cross section, and the connection between the wallboards and the laminated floor slab is realized by pouring the reinforced concrete restraining hidden beam (45) with a smaller cross section;
the factory prefabrication includes:
the method comprises the following steps: producing a prefabricated inverted trapezoidal groove type composite wallboard (30);
firstly, assembling a special steel template, pouring fine aggregate concrete at the bottom layer, manufacturing a steel reinforcement framework of a concrete rib beam (8) and a concrete rib column (7), putting the steel reinforcement framework into a mold, putting an ecological block material (6), putting a reserved wire box, a pipeline and other embedded parts, pouring fine aggregate concrete, then leveling and plastering, performing standard maintenance after prefabrication is finished, and lifting when the concrete strength reaches 75% of a design value;
step two: production of a prefabricated sandwich heat-insulation inverted trapezoidal groove type composite wallboard (25);
the inverted manufacturing method is adopted, firstly, a special steel template for the heat-insulating layer is assembled, a steel bar mesh (4) is manufactured, the steel bar mesh (4) is put into a mold, a cushion block of the protective layer is placed, and concrete is poured; then laying an insulating layer (5), paving and smearing the mixed insulating bonding mortar (2) on the surface of the insulating layer (5) when laying the insulating plate, knocking and vibrating the laid insulating layer (5) by using a rubber hammer to compact the insulating layer, and inserting insulating nails; after the wallboard of the heat-insulating layer (5) meets the required strength requirement, assembling a special structural layer steel template on the wallboard, manufacturing a steel reinforcement framework of a concrete rib beam (8) and a concrete rib column (7), putting the steel reinforcement framework into a mould, fully coating heat-insulating layer (5) with heat-insulating bonding mortar (2), filling an ecological block material (6) into a rib grid of the wallboard, placing a reserved wire box, a pipeline and other embedded parts, pouring concrete, finally leveling and plastering, finishing standard maintenance after prefabrication, and lifting when the strength of the concrete reaches 75% of a designed value;
step three: production of prefabricated sandwich heat-insulating truss reinforced concrete superposed roof panels (38);
firstly, assembling a special steel template, binding a steel bar mesh, putting the steel bar mesh into the template, placing a protective layer cushion block, placing a reserved wire box, a pipeline and other embedded parts, pouring fine stone concrete, performing roughening treatment after vibrating and leveling, performing standard maintenance, assembling an upper template after the strength of a prefabricated bottom plate reaches 75%, pouring polyphenyl granule concrete, performing roughening treatment after vibrating and leveling, performing standard maintenance, lifting after the strength of the concrete reaches 75% of a designed value, binding and fixing steel bars at the top of a roof panel after hoisting at a construction site, and pouring a layer of concrete to form a prefabricated sandwich heat-insulation truss reinforced concrete superposed roof panel (38);
step four: and the production of other prefabricated elements.
Other prefabricated components comprise a prefabricated reinforced concrete superposed beam, a prefabricated reinforced concrete stair and a prefabricated composite parapet, all adopt professional steel templates or plastic templates, pour concrete after a bound reinforcement cage or reinforcement net piece is put into a mold, immediately carry out leveling and plastering, finally carry out standard maintenance, and can be lifted after the strength of the concrete reaches 75% of a design value.
2. The construction method of the fully-assembled village and town dwelling type composite wall structure system according to claim 1, wherein in the second step, the laying of the heat-insulating layer (5) is finished within 20min after the concrete protective layer (1) is poured, and the smearing of the heat-insulating bonding mortar (2) is a full-surface layer plastering method; filling the ecological block (6) into the wall panel rib grids within 10min after coating;
in the third step, if an EPS molding polystyrene board sandwich heat preservation mode is adopted, the prefabricated bottom board can be directly paved after the pouring of the prefabricated bottom board is finished.
3. The construction method of the fully-assembled village and town dwelling type composite wall structure system according to claim 1, wherein the polyphenyl particle concrete is prepared from 333kg of cement, 37kg of silica fume, 16.65kg of rubber powder, 2.405kg of methyl cellulose ether, 1.665kg of polypropylene fiber, 3.33kg of wood fiber, 1.11kg of a waterproof agent, 3.7kg of a water reducing agent and 0.74kg of an air entraining agent.
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| CN107345435A (en) * | 2017-05-20 | 2017-11-14 | 西咸新区矩阵实业有限公司 | A kind of novel superposed floor sandwich thermal insulated based on styrofoam and preparation method thereof |
| CN107859220A (en) * | 2017-10-11 | 2018-03-30 | 六安远大住宅工业有限公司 | Heat insulation integrated truss laminated floor slab |
| CN108005286A (en) * | 2017-11-23 | 2018-05-08 | 安徽同济建设集团有限责任公司 | A kind of construction method of the unidirectional overlapping floorboard of assembled architecture |
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| CN109811878A (en) * | 2019-03-18 | 2019-05-28 | 江西万和建筑科技有限公司 | Integrated structure and construction method of cast-in-place laminated formwork for prefabricated buildings |
| CN111321803B (en) * | 2020-03-11 | 2021-07-13 | 深圳机械院建筑设计有限公司 | Modular assembly type building |
| CN111677186A (en) * | 2020-07-15 | 2020-09-18 | 河北新农建节能科技有限公司 | Steel wire mesh frame sandwich board comprising expansion mesh outer template and manufacturing method thereof |
| CN113502971B (en) * | 2021-02-07 | 2022-10-11 | 北京市住宅产业化集团股份有限公司 | Longitudinal rib hollow wall, embedded nut connecting node thereof and design construction method |
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