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CN112360019B - Assembled low-energy-consumption wall body dismantling-free template and assembling method thereof - Google Patents

Assembled low-energy-consumption wall body dismantling-free template and assembling method thereof Download PDF

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Publication number
CN112360019B
CN112360019B CN202011281809.8A CN202011281809A CN112360019B CN 112360019 B CN112360019 B CN 112360019B CN 202011281809 A CN202011281809 A CN 202011281809A CN 112360019 B CN112360019 B CN 112360019B
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China
Prior art keywords
layer
heat
wall body
heat preservation
heat insulation
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CN112360019A (en
Inventor
侯国辉
曾乾陵
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Xinjiang Kejian Lida Energy Saving Material Technology Co ltd
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Xinjiang Kejian Lida Energy Saving Material Technology Co ltd
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/84Walls made by casting, pouring, or tamping in situ
    • E04B2/86Walls made by casting, pouring, or tamping in situ made in permanent forms
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/78Heat insulating elements
    • E04B1/80Heat insulating elements slab-shaped

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Building Environments (AREA)

Abstract

The invention relates to an assembly type low-energy consumption wall body dismantling-free template and an assembly method, wherein a heat insulation board layer of the dismantling-free template is a heat insulation board, a heat insulation mortar layer is a magnesium oxide cement condensation material board poured outside the heat insulation board layer, grid type reinforcing ribs are arranged inside the heat insulation mortar layer, a plurality of embedded parts and C-shaped steel are arranged between the heat insulation board layer and the heat insulation mortar layer, the C-shaped steel is partially embedded inside the heat insulation board layer and is positioned at a longitudinal splicing gap of an adjacent heat insulation board, the dismantling-free template integrates an external wall board and the heat insulation board, a plastering and leveling process is omitted, and compared with the traditional assembly type wall body, the wall body weight is greatly reduced. The prefabricated disassembly-free templates are assembled on site, the inner templates are built, the reinforcing steel bars are bound between the disassembly-free templates and the inner templates, concrete is filled in the inner templates and vibrated tightly, the defects of two traditional construction modes are abandoned by combining the advantages of traditional wall construction and traditional assembly wall construction, site construction is more flexible, and site construction cost is greatly reduced.

Description

Assembled low-energy-consumption wall body dismantling-free template and assembling method thereof
Technical Field
The invention relates to the technical field of assembly type buildings, in particular to an assembly type low-energy consumption wall body disassembly-free template and an assembly method.
Background
The traditional construction of the wall body in the building industry is to carry out the working procedures of formwork supporting, pouring, formwork removing, heat-insulating plate adding, plastering and leveling on site, and the like, so that the construction method is long in period, high in cost and high in requirements on the level of manual technology. Aiming at the defects and inconvenience of the traditional construction method, the assembled wall body is generated. The existing assembled wall body is made of factory prefabricated solid concrete, is heavy in size and high in hoisting construction cost, is inaccurate in alignment, and is poor in secondary mechanism combination. Mechanical pouring is needed in field assembly construction, and because pouring points are holes or gaps, hole grouting is usually adopted, so that the connection strength is difficult to monitor, and the performance of the high-rise building is difficult to monitor and take care. In addition, the existing assembled wall body only comprises a concrete wall body, and the procedures of adding the heat insulation plate and plastering the outer wall are required after site construction.
Disclosure of Invention
Aiming at the situation, the invention provides the assembled low-energy-consumption wall body dismantling-free formwork, which integrates the external wall board and the heat insulation board, and adopts cast-in-place concrete, thereby greatly reducing the weight of the wall body, avoiding the secondary combination of the wall body and ensuring the performance of the wall body.
In order to achieve the above purpose, the following technical scheme is adopted: the utility model provides an assembled low energy consumption wall body is exempted from to disassemble template, includes heat preservation sheet layer, heat preservation mortar layer, C type billet, strengthening rib and built-in fitting, the heat preservation sheet layer be the heated board, the heated board layer splice by a plurality of heated boards and form, the surface is even top-down's whole dovetail around the heated board, the side surface is for the cutting and the slot of concatenation, the heat preservation mortar layer be pour the magnesia cement setting material board outside the heat preservation sheet layer, the side surface is for the fag end and the fag end groove of concatenation, the layer inside of heat preservation mortar layer is the net type strengthening rib; a plurality of embedded parts and C-shaped steel are arranged between the heat-insulating plate layer and the heat-insulating mortar layer, and the C-shaped steel is partially embedded in the heat-insulating plate layer and is positioned at a longitudinal splicing gap of the adjacent heat-insulating plates;
The embedded part comprises an embedded part and a limiting part, the embedded part and the limiting part are in threaded connection to form a hollow strip cylinder, the cylinder outer wall of the embedded part at least comprises a heat insulation mortar layer clamping piece, a C-shaped steel clamping piece, a heat insulation board layer front end clamping piece and a heat insulation board layer rear end clamping piece, and the cylinder outer wall of the limiting part comprises a concrete limiting clamping piece;
The heat preservation mortar layer clamping piece of built-in fitting card heat preservation mortar layer outward surface, C shaped steel clamping piece card is on C shaped steel, heat preservation sheet layer front end clamping piece and heat preservation sheet layer rear end clamping piece card respectively at heat preservation sheet layer front and back surface, spacing portion wears out the heat preservation sheet layer.
Further, the heat insulation board is a polystyrene board or an extruded board.
Further, the outer wall of the limiting part cylinder of the embedded part is provided with barbs.
The assembly method based on the wall body dismantling-free template comprises the following steps:
s1, hoisting a prefabricated dismantling-free template to the outer side of a steel bar of a pre-bound shear wall body, splicing the outer wall of the shear wall body on site, placing grid cloth or an anti-cracking net at the splicing position of the cutting and inserting grooves of the adjacent heat preservation plate layers and the tilling opening groove of the heat preservation mortar layer, and plastering mortar and filling;
s2, building a shear wall inner formwork on the other side of the steel bars of the bound shear wall;
S3, penetrating a split bolt into a barrel of the embedded part, split-connecting the outer wall body of the shear wall and the inner template, and forming a cavity body by the outer wall body and the inner template;
s4, adjusting the verticality and flatness of the outer wall body and the inner template by using the inclined support, fixing the outer wall body and the inner template, pouring concrete into a cavity between the outer wall body and the inner template, and vibrating for compaction;
s5, after the concrete to be poured is solidified to a life, the inner template is removed, the split bolts are pulled out, the bolt holes are filled with foaming glue, and the external anti-cracking mortar of the holes is smoothed.
The invention has the beneficial effects that: the wall body dismantling-free formwork integrates the external wall board and the heat insulation board, so that plastering and leveling procedures are omitted, and compared with a traditional assembled wall body, the wall body dismantling-free formwork greatly reduces the weight of the wall body. The embedded part is arranged in the template, so that the strength of the template is enhanced, the tie strength of the template and reinforced concrete cast in situ is enhanced, and the splicing opening is spliced in a slot mode, so that the occurrence of a thermal bridge condition is avoided. The shear wall is assembled by adopting the formwork, the working procedures are reduced, the site construction is more flexible, the site construction cost is greatly reduced, the alignment is accurate, the reinforced concrete is cast in situ, the problem of the connection strength of the traditional assembly type wall is avoided, the advantages of the traditional wall construction and the traditional assembly type wall construction are combined, and the defects of two traditional construction modes are abandoned.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of another view of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is a schematic view of an embedded part structure of the present invention;
FIG. 5 is a schematic diagram of the layout of the embedded part and the insulation board layer of the embedded part;
Fig. 6 is a schematic view of the field construction of the present invention.
As shown in the figure: 1. a heat preservation plate layer; 2. a thermal insulation mortar layer; 3. an embedded part; 4. c-shaped steel; 5. reinforcing ribs; 6. an inner template; 7. a reinforced concrete layer; 8. a split bolt; 9. a shear wall outer wall body; 31. a pre-buried part; 32. a limit part; 311. the clamping piece of the thermal insulation mortar layer; 312. c-shaped steel clamping pieces; 313. the clamping piece is arranged at the front end of the heat insulation board layer; 314. the rear end clamping piece of the heat insulation board layer; 321. the back end clamping piece of the heat insulation board layer.
Detailed Description
Example 1
The invention is further described below with reference to the accompanying drawings, wherein the assembled low-energy-consumption wall body disassembly-free template is shown in the drawings, and the template is formed by placing a heat insulation plate layer into a pouring die to be poured into an integrated form. The heat preservation sheet layer (1) is formed by splicing a plurality of polyphenyl boards or extruded sheets, the front and rear surfaces of the polyphenyl boards or the extruded sheets are uniform top-down whole dovetail grooves, side surfaces are cutting and inserting grooves used for splicing, the embedded part (3) comprises an embedded part (31) and a limiting part (32), the embedded part and the inserting groove are connected through screw holes to form a hollow strip cylinder, the cylinder outer wall of the embedded part (31) at least comprises a heat preservation mortar layer clamping piece (311), a C-shaped steel clamping piece (312), a heat preservation sheet layer front end clamping piece (313) and a heat preservation sheet layer rear end clamping piece (314), the cylinder outer wall of the limiting part (32) comprises a concrete limiting clamping piece (321), and the cylinder outer wall of the limiting part is provided with barbs. Placing a heat-insulating plate layer (1), reinforcing ribs (5), embedded parts (3) and C-shaped steel (4) into a pouring die, pouring magnesia cement into the die to form an integrated structure, wherein the integrated structure comprises the heat-insulating plate layer (1), a heat-insulating mortar layer (2), C-shaped steel bars (4), the reinforcing ribs (5) and the embedded parts (3), wherein the heat-insulating mortar layer (2) is a magnesium oxide condensation material plate poured outside the heat-insulating plate layer, the side surfaces of the magnesium oxide condensation material plate are a moral port and a moral port groove used for splicing, and the inner part of the heat-insulating mortar layer (2) is provided with the reinforcing ribs (5) in a grid shape; install a plurality of built-in fitting (3) and C shaped steel (4) between heat preservation sheet layer (1) and heat preservation mortar layer (2), C shaped steel (4) are partly inlayed inside heat preservation sheet layer (1) and are located the vertical concatenation gap department of adjacent heat preservation board (1), heat preservation mortar layer fastener (311) card of built-in fitting (3) are at heat preservation mortar layer (2) surface, C shaped steel fastener (312) card is on C shaped steel (4), heat preservation sheet layer front end fastener (313) and heat preservation sheet layer rear end fastener (314) card respectively at heat preservation sheet layer (1) front and back surface, spacing portion (32) wear out heat preservation sheet layer (1). According to the limit of floor height 2.9 meters, the effective specification of the insulation board layer (1) is set to 0.6x3 x 0.08m, if the effective specification of the insulation board layer (1) meeting with a yin and yang angle is set to 0.25x3 x 0.08m, the effective specification of the thickness of the insulation mortar layer (2) is 0.05m, the depths and widths of slots of the insulation board layer (1) and the groove of a mouth of the insulation mortar layer are respectively 4-6mm and 20-3mm, the basic size of the C-shaped steel (4) is set to (23+40+23) x 3m, the thickness is 1.2mm, the reinforcing ribs (5) adopt steel wire meshes with the diameter of 3-5m, the embedded parts (3) are made of common nylon materials, and the limiting parts (32) of the embedded parts (3) do not exceed the thickness of cast concrete on site, but the lengths are at least 0.2m.
Example 2
Based on the assembled low-energy consumption wall body dismantling-free template structure of the embodiment 1, the heat insulation board layer (1) is at least 0.1Mpa of compressive strength, 30-50kg/m of density, 0.03W/(m.k) of heat conductivity, 0.1Mpa of tensile strength and B2 level of combustion performance by adopting a polyphenyl board. The magnesia cement poured in the heat-insulating mortar layer (2) has magnesia content not less than 85% and magnesia activity not less than 60%, and is poured according to the magnesia cement index as shown in the following table
Magnesium oxide 86.51%
Activity(s) 64.86%
Loss on ignition 5.95%
Silica dioxide 6.13%
Ferric oxide 0.34%
Calcium oxide 1.46%
Aluminum oxide 0.42%
The thermal insulation mortar layer after pouring has a detection result of thermal conductivity coefficient of 0.085W/(m.k), specific gravity of 460kg/m 3, compressive strength of 3Mpa and fracture load resistance of 3000N. The bonding strength of the thermal insulation mortar layer (2) and the thermal insulation board layer (1) is 0.3 Mpa.
Example 3
The assembly type low-energy consumption wall body disassembly-free template field assembly steps based on the embodiment 1 and the embodiment 2 are as follows:
S1, hoisting a prefabricated dismantling-free template to the outer side of a steel bar of a pre-bound shear wall body, splicing the outer wall body (9) of the shear wall body on site, placing grid cloth or an anti-cracking net at the splicing position of the cutting and inserting grooves of the adjacent heat insulation board layers (1) and the tilling opening groove of the heat insulation mortar layer (2), and plastering mortar for filling;
S2, building a shear wall inner formwork (6) on the other side of the steel bars bound with the shear wall;
S3, penetrating a split bolt (8) into a barrel of the embedded part (3), and split-connecting the outer wall body (9) of the shear wall and the inner template (6), wherein the outer wall body (9) of the shear wall and the inner template (6) form a cavity;
S4, adjusting the verticality and flatness of the outer wall body (9) of the shear wall and the inner template (6) by using the inclined support, fixing the outer wall body (9) of the shear wall and the inner template (6), pouring concrete into a cavity between the outer wall body and the inner template, and vibrating for compaction;
s5, curing the concrete to be poured until the curing period, forming a reinforced concrete layer (7), removing the inner template (6), withdrawing the split bolts (8), filling the bolt holes with foaming glue, and trowelling the external anti-cracking mortar.

Claims (2)

1. The assembled low-energy consumption wall body dismantling-free template is characterized by comprising a heat preservation plate layer, a heat preservation mortar layer, C-shaped steel bars, reinforcing ribs and embedded parts, wherein the heat preservation plate layer is a heat preservation plate, the heat preservation plate layer is formed by splicing a plurality of heat preservation plates, the front surface and the rear surface of the heat preservation plate are uniform through dovetail grooves from top to bottom, the side surfaces of the heat preservation plate are inserted bars and slots for splicing, the heat preservation mortar layer is a magnesia cement condensation material plate poured outside the heat preservation plate layer, the side surfaces of the heat preservation mortar layer are a notch and a notch groove for splicing, and the inside of the heat preservation mortar layer is provided with reinforcing ribs in a grid shape; a plurality of embedded parts and C-shaped steel are arranged between the heat-insulating plate layer and the heat-insulating mortar layer, and the C-shaped steel is partially embedded in the heat-insulating plate layer and is positioned at a longitudinal splicing gap of the adjacent heat-insulating plates; the embedded part comprises an embedded part and a limiting part, the embedded part and the limiting part are in threaded connection to form a hollow strip cylinder, the cylinder outer wall of the embedded part at least comprises a heat insulation mortar layer clamping piece, a C-shaped steel clamping piece, a heat insulation board layer front end clamping piece and a heat insulation board layer rear end clamping piece, and the cylinder outer wall of the limiting part comprises a concrete limiting clamping piece; the heat-insulating mortar layer clamping piece of the embedded part is clamped on the outer surface of the heat-insulating mortar layer, the C-shaped steel clamping piece is clamped on the C-shaped steel, the heat-insulating board layer front end clamping piece and the heat-insulating board layer rear end clamping piece are respectively clamped on the front surface and the rear surface of the heat-insulating board layer, and the limiting part penetrates out of the heat-insulating board layer;
The heat-insulating board is a polyphenyl board or an extruded board;
the outer wall of the limiting part cylinder of the embedded part is provided with barbs.
2. The method for assembling the assembled low-energy-consumption wall body disassembly-free template according to claim 1, which is characterized by comprising the following steps:
s1, hoisting a prefabricated dismantling-free template to the outer side of a steel bar of a pre-bound shear wall body, splicing the outer wall of the shear wall body on site, placing grid cloth or an anti-cracking net at the splicing position of the cutting and inserting grooves of the adjacent heat preservation plate layers and the tilling opening groove of the heat preservation mortar layer, and plastering mortar and filling;
s2, building a shear wall inner formwork on the other side of the steel bars of the bound shear wall;
S3, penetrating a split bolt into a barrel of the embedded part, split-connecting the outer wall body of the shear wall and the inner template, and forming a cavity body by the outer wall body and the inner template;
s4, adjusting the verticality and flatness of the outer wall body and the inner template by using the inclined support, fixing the outer wall body and the inner template, pouring concrete into a cavity between the outer wall body and the inner template, and vibrating for compaction;
s5, after the concrete to be poured is solidified to a life, the inner template is removed, the split bolts are pulled out, the bolt holes are filled with foaming glue, and the external anti-cracking mortar of the holes is smoothed.
CN202011281809.8A 2020-11-17 2020-11-17 Assembled low-energy-consumption wall body dismantling-free template and assembling method thereof Active CN112360019B (en)

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CN112780013B (en) * 2021-03-10 2024-08-27 江苏万融工程科技有限公司 Assembled shuttering wallboard
CN115787868A (en) * 2023-01-05 2023-03-14 山东雅达节能建材科技有限公司 Heat-preservation integrated building wall and construction process thereof
CN117513605B (en) * 2023-11-06 2024-10-25 浙江省建筑科学设计研究院有限公司 Disassembly-free heat preservation template, disassembly-free heat preservation template system and system construction method

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