CN113982166B - Prefabricated composite floor slab of assembly system - Google Patents
Prefabricated composite floor slab of assembly system Download PDFInfo
- Publication number
- CN113982166B CN113982166B CN202111152271.5A CN202111152271A CN113982166B CN 113982166 B CN113982166 B CN 113982166B CN 202111152271 A CN202111152271 A CN 202111152271A CN 113982166 B CN113982166 B CN 113982166B
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- CN
- China
- Prior art keywords
- layer
- prefabricated
- steel bar
- heat preservation
- floor slab
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002131 composite material Substances 0.000 title claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 41
- 239000010959 steel Substances 0.000 claims abstract description 41
- 238000004321 preservation Methods 0.000 claims abstract description 37
- 238000009413 insulation Methods 0.000 claims description 28
- 230000002787 reinforcement Effects 0.000 claims description 8
- 239000004567 concrete Substances 0.000 claims description 6
- 239000003513 alkali Substances 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 5
- 239000003365 glass fiber Substances 0.000 claims description 5
- 239000004570 mortar (masonry) Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000007788 roughening Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 6
- 238000000465 moulding Methods 0.000 abstract description 6
- 239000011178 precast concrete Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000008093 supporting effect Effects 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/17—Floor structures partly formed in situ
-
- 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
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, 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
-
- 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
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, 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
- E04B1/78—Heat insulating elements
- E04B1/80—Heat insulating elements slab-shaped
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Acoustics & Sound (AREA)
- Road Paving Structures (AREA)
- Building Environments (AREA)
Abstract
The prefabricated composite floor slab of the assembly system comprises a prefabricated layer, a heat preservation layer and a pouring layer which are sequentially arranged from bottom to top, wherein the top surface of the heat preservation layer is of a wave shape as a whole, a plurality of mutually parallel steel bar trusses which are positioned in the pouring layer are arranged above the heat preservation layer, the steel bar trusses are arranged on the heat preservation layer through connecting pieces, the steel bar trusses correspond to trough sections of the heat preservation layer and are suspended above the trough sections, and two sides of the steel bar trusses are in contact with the upper surfaces of wave peak sections adjacent to the trough sections. Forming a bearing for the pouring layer through the wave shape of the upper surface of the heat preservation layer; meanwhile, the steel bar trusses which cross the trough sections are matched, so that the molding time of a pouring layer is shortened, and the construction efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of building floor slabs, and particularly relates to a prefabricated composite floor slab of an assembly system.
Background
The composite floor slab is an assembled integral floor slab formed by superposing precast slabs and cast-in-situ reinforced concrete layers. The composite floor slab has good integrity and continuity, and is beneficial to enhancing the earthquake resistance of the building. The single component has light weight and good elasticity, is convenient to transport and install, and can utilize the existing construction machinery and equipment.
In order to improve the heat insulation performance of the floor, the floor in the prior art is embedded in the floor in the manufacturing process of the floor so as to improve the heat insulation effect of the finished floor. However, after the heat preservation is added, the casting structure of the uppermost layer has the conditions of long forming time and low construction efficiency.
Disclosure of Invention
In order to solve the problem that the molding time of the uppermost layer pouring structure is long after the heat preservation layer is added, the invention provides the prefabricated composite floor slab of the assembly system.
The invention is realized by the following technical scheme:
the utility model provides a prefabricated coincide floor of assembly system, includes by supreme prefabricated layer, heat preservation and the layer of pouring that sets gradually down, the top surface of heat preservation is whole to be the wave, the top of heat preservation is equipped with a plurality of each other parallel and is in the steel bar truss in the layer of pouring, steel bar truss pass through the connecting piece install in on the heat preservation, steel bar truss is corresponding with the trough section of heat preservation and unsettled in this trough section top, and steel bar truss's both sides contact with the adjacent crest section upper surface of this trough section. Forming a bearing for the pouring layer through the wave shape of the upper surface of the heat preservation layer; meanwhile, the steel bar trusses which cross the trough sections are matched, so that the molding time of a pouring layer is shortened, and the construction efficiency is improved.
A further development of the invention provides that the prefabricated layer comprises a prefabricated concrete structure and a reinforcement cage arranged in the prefabricated concrete structure. Can effectively improve precast concrete structure's shaping efficiency through the reinforcing bar cage.
The invention is further improved, and mortar is filled between the heat-insulating layer and the prefabricated layer. The firmness between the heat preservation layer and the prefabricated layer can be increased through the mortar.
Further improvements of the invention are that the upper surface of the precast concrete structure is roughened. After the surface is roughened, the friction coefficient between the heat insulation layer and the precast concrete structure can be effectively increased.
The invention further improves that the heat insulation layer comprises a heat insulation plate and alkali-resistant glass fiber mesh cloth paved on the surface of the heat insulation plate. The firmness degree of the insulation board between the prefabricated layer and the pouring layer can be effectively increased through the alkali-resistant glass fiber mesh cloth, and the forming time is effectively reduced.
The invention further improves that a plurality of steel bar trusses are also paved with steel bar flat frames. And the transverse fixation of the pouring layer is made up through the erected steel bar flat frame.
According to a further development of the invention, shear keys penetrating through the heat insulation layer are arranged between the prefabricated layer and the pouring layer. The strength of the overall structure is increased by the shear keys.
The invention further improves that the heat preservation layer is provided with a drawknot piece connected with the prefabricated layer. The firmness degree of the heat preservation layer between the prefabricated layers is increased through the drawknot piece.
According to the invention, a plurality of fixing plates crossing the steel bar truss are uniformly distributed on the steel bar truss, and two ends of each fixing plate are connected with the drawknot piece. The fixing plate is connected with the drawknot piece, so that the position of the steel bar truss on the heat insulation layer is effectively fixed.
In addition, the invention further improves that the section of the fixing plate is in a shape of a Chinese character 'ji'. So as to improve the structural strength of the fixing plate.
From the technical scheme, the beneficial effects of the invention are as follows: 1. forming a bearing for the pouring layer through the wave shape of the upper surface of the heat preservation layer; meanwhile, the steel bar trusses which cross the trough sections are matched, so that the molding time of a pouring layer is shortened, and the construction efficiency is improved. 2. The friction coefficient between the upper surface of the wavy heat-insulating layer and the pouring layer can be effectively increased, and the fit degree between the pouring layer and the heat-insulating layer is increased; meanwhile, the structural strength of the heat insulation layer can be increased, and the load strength of the heat insulation layer can be improved.
Drawings
In order to more clearly illustrate the technical solutions of the present invention, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an insulation layer and an embedded part according to an embodiment of the present invention.
Fig. 3 is a schematic view of a first structure of an insulation layer and a steel truss according to an embodiment of the present invention.
Fig. 4 is a schematic view of a second structure of the insulation layer and the steel truss according to the embodiment of the present invention.
Fig. 5 is a schematic view of connection of shear keys and embedded parts according to an embodiment of the present invention.
In the accompanying drawings: 1. prefabricated layer, 11, precast concrete structure, 12, reinforcing bar cage, 2, heat preservation, 21, heated board, 22, drawknot spare, 3, pouring layer, 31, reinforcing bar truss, 32, fixed plate, 33, reinforcing bar flat frame, 4, shear key.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to the drawings in this specific embodiment, and it is apparent that the embodiments described below are only some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, based on the embodiments in this patent, which would be within the purview of one of ordinary skill in the art without the particular effort to make the invention are intended to be within the scope of the patent protection.
As shown in the drawing, the prefabricated composite floor slab of the assembly system comprises a prefabricated layer 1, a heat preservation layer 2 and a pouring layer 3 which are sequentially arranged from bottom to top. The heat preservation layer 2 is additionally arranged in the middle of the floor slab to improve the heat preservation effect of the whole structure. Shear keys 4 penetrating through the heat insulation layer 2 are arranged between the prefabricated layer 1 and the pouring layer 3. The strength of the overall structure is increased by the shear key 4. The precast layer 1 comprises a precast concrete structure 11 and a reinforcement cage 12 arranged in the precast concrete structure 11. The molding efficiency of the precast concrete structure 11 can be effectively improved by the reinforcement cage 12. The upper surface of the precast concrete structure 11 is subjected to roughening treatment. After the surface is roughened, the friction coefficient between the heat insulation layer 2 and the precast concrete structure 11 can be effectively increased. The heat preservation layer 2 comprises a heat preservation plate 21 and alkali-resistant glass fiber mesh cloth paved on the surface of the heat preservation plate 21. The firmness degree of the heat insulation board 21 between the prefabricated layer 1 and the pouring layer 3 can be effectively increased and the forming time can be effectively reduced through the alkali-resistant glass fiber grid cloth. Mortar is filled between the heat preservation layer 2 and the prefabricated layer 1. The firmness between the heat preservation layer 2 and the prefabricated layer 1 can be increased by the mortar. The whole top surface of the heat preservation layer 2 is wavy. The friction coefficient between the upper surface of the wavy heat preservation layer 2 and the pouring layer 3 can be effectively increased, and the fit degree between the pouring layer 3 and the heat preservation layer 2 is increased; meanwhile, the structural strength of the heat preservation layer 2 can be increased, and the load strength of the heat preservation layer is improved. The heat preservation 2 is provided with a plurality of steel bar trusses 31 which are parallel to each other and are positioned in the pouring layer 3, the steel bar trusses 31 are corresponding to the trough sections of the heat preservation 2 and are suspended above the trough sections, and two sides of the steel bar trusses 31 are contacted with the upper surfaces of the adjacent crest sections of the trough sections. The forming effect of the pouring layer 3 in height is improved through the steel bar truss 31, meanwhile, a distance is reserved between the steel bar truss 31 and the trough section, a penetration space can be provided for pouring materials, and the supporting effect of the steel bar truss 31 on the pouring layer 3 is further improved. A plurality of steel bar trusses 31 are further paved with steel bar flat frames 33. The transverse fixing of the pouring layer 3 is compensated by the erected reinforcement flat frame 33. The two ends of the shear key 4 are respectively connected with the reinforcement cage 12 and the reinforcement flat frame 33. The shear keys 4 are respectively connected with embedded parts in the prefabricated layer 1 and the pouring layer 3 to form a connecting structure for enhancing the overall structural strength. The heat preservation layer 2 is provided with a drawknot piece 22 connected with the prefabricated layer 1. The degree of firmness of the insulation layer 2 between the prefabricated layers 1 is increased by the drawworks 22. The steel bar truss 31 is uniformly distributed with a plurality of fixing plates 32 which span the steel bar truss 31, and the fixing plates 32 are fastened through the drawknot members 22. The fixing plate 32 is connected with the drawknot member 22 to effectively fix the position of the steel bar truss 31 on the heat insulation layer 2. The fixing plate 32 has a cross section in a shape of a Chinese character 'ji'. To improve the structural strength of the fixing plate 32.
In summary, when the device is used, the reinforcement cage 12 provides a prefabricated supporting effect for the prefabricated concrete structure 11, so that the forming effect is improved and the forming time is shortened. Meanwhile, a position for placing the drawknot member 22 is reserved on the precast concrete structure 11, and after the heat insulation layer 2 and the steel bar truss 31 are paved, the drawknot member 22 is utilized to fix the heat insulation layer 2 and the steel bar truss 31. The bar flat 33 is then laid on the bar truss 31 and bound by iron wires, and then subjected to a casting operation.
According to the prefabricated composite floor slab of the assembly system, the bearing of the pouring layer is formed through the wavy upper surface of the heat preservation layer; meanwhile, the steel bar trusses which cross the trough sections are matched, so that the molding time of a pouring layer is shortened, and the construction efficiency is improved. The friction coefficient between the upper surface of the wavy heat-insulating layer and the pouring layer can be effectively increased, and the fit degree between the pouring layer and the heat-insulating layer is increased; meanwhile, the structural strength of the heat insulation layer can be increased, and the load strength of the heat insulation layer can be improved.
In the present specification, each embodiment is described in a progressive manner, and each embodiment focuses on the difference from other embodiments, and the same and similar parts between the embodiments are only required to be referred to each other.
The terms "upper", "lower", "outside", "inside", and the like in the description and in the claims of the present invention and in the above drawings, if any, are used for distinguishing between relative relationships in position and not necessarily for giving qualitative sense. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. The prefabricated composite floor slab of an assembly system is characterized by comprising a prefabricated layer (1), an insulating layer (2) and a pouring layer (3) which are sequentially arranged from bottom to top, wherein the top surface of the insulating layer (2) is in a wave shape integrally, a plurality of steel bar trusses (31) which are parallel to each other and positioned in the pouring layer (3) are arranged above the insulating layer (2), the steel bar trusses (31) are arranged on the insulating layer (2) through connecting pieces, the steel bar trusses (31) correspond to wave trough sections of the insulating layer (2) and are suspended above the wave trough sections, and two sides of the steel bar trusses (31) are in contact with the upper surfaces of wave peak sections adjacent to the wave trough sections; the upper parts of the plurality of steel bar trusses (31) are further paved with steel bar flat frames (33); shear keys (4) penetrating through the heat insulation layer (2) are arranged between the prefabricated layer (1) and the pouring layer (3); a drawknot piece (22) connected with the prefabricated layer (1) is arranged on the heat preservation layer (2); a plurality of fixing plates (32) which transversely span the steel bar truss (31) are uniformly distributed on the steel bar truss (31), and two ends of the fixing plates (32) are connected with the drawknot piece (22); the section of the fixing plate (32) is in a shape of a Chinese character 'ji'.
2. Prefabricated composite floor slab of an assembly system according to claim 1, characterized in that the prefabricated layer (1) comprises a prefabricated concrete structure (11) and a reinforcement cage (12) arranged in the prefabricated concrete structure (11).
3. Prefabricated composite floor slab of an assembly system according to claim 2, characterized in that the upper surface of the prefabricated concrete structure (11) is subjected to a roughening treatment.
4. Prefabricated composite floor slab of an assembly system according to claim 2, characterized in that the insulation layer (2) comprises an insulation board (21) and an alkali-resistant glass fiber mesh cloth laid on the surface of the insulation board (21).
5. A prefabricated composite floor slab of an assembly system according to claim 3, characterized in that the insulation layer (2) is filled with mortar with the prefabricated layer (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111152271.5A CN113982166B (en) | 2021-09-29 | 2021-09-29 | Prefabricated composite floor slab of assembly system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111152271.5A CN113982166B (en) | 2021-09-29 | 2021-09-29 | Prefabricated composite floor slab of assembly system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113982166A CN113982166A (en) | 2022-01-28 |
| CN113982166B true CN113982166B (en) | 2023-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111152271.5A Active CN113982166B (en) | 2021-09-29 | 2021-09-29 | Prefabricated composite floor slab of assembly system |
Country Status (1)
| Country | Link |
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| CN (1) | CN113982166B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1553021A (en) * | 2003-06-03 | 2004-12-08 | 张英保 | Assembled floor cover |
| JP2010037893A (en) * | 2008-08-08 | 2010-02-18 | Shigeru Yaguchi | Heat insulating panel for wall |
| CN102296736A (en) * | 2011-09-01 | 2011-12-28 | 建研科技股份有限公司 | Self-supporting heat-insulation hollow floor slab and construction method thereof |
| CN106522440A (en) * | 2016-11-17 | 2017-03-22 | 西咸新区矩阵实业有限公司 | Composite floor slab based on polyphenyl granule fiber concrete sandwich insulation and construction method |
| CN208502018U (en) * | 2018-05-28 | 2019-02-15 | 漳浦盛新彩钢结构有限公司 | A kind of steel bar girder floor plates that security performance is high |
| CN111980256A (en) * | 2020-08-17 | 2020-11-24 | 浙江大学建筑设计研究院有限公司 | A kind of self-insulation laminated floor slab and construction method thereof |
| CN112982782A (en) * | 2021-02-25 | 2021-06-18 | 西安建筑科技大学 | Assembly type disassembly-free steel bar truss floor bearing plate |
-
2021
- 2021-09-29 CN CN202111152271.5A patent/CN113982166B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1553021A (en) * | 2003-06-03 | 2004-12-08 | 张英保 | Assembled floor cover |
| JP2010037893A (en) * | 2008-08-08 | 2010-02-18 | Shigeru Yaguchi | Heat insulating panel for wall |
| CN102296736A (en) * | 2011-09-01 | 2011-12-28 | 建研科技股份有限公司 | Self-supporting heat-insulation hollow floor slab and construction method thereof |
| CN106522440A (en) * | 2016-11-17 | 2017-03-22 | 西咸新区矩阵实业有限公司 | Composite floor slab based on polyphenyl granule fiber concrete sandwich insulation and construction method |
| CN208502018U (en) * | 2018-05-28 | 2019-02-15 | 漳浦盛新彩钢结构有限公司 | A kind of steel bar girder floor plates that security performance is high |
| CN111980256A (en) * | 2020-08-17 | 2020-11-24 | 浙江大学建筑设计研究院有限公司 | A kind of self-insulation laminated floor slab and construction method thereof |
| CN112982782A (en) * | 2021-02-25 | 2021-06-18 | 西安建筑科技大学 | Assembly type disassembly-free steel bar truss floor bearing plate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113982166A (en) | 2022-01-28 |
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Address after: 272100 north of the West first road, Chuangye Road, Yanzhou Economic Development Zone, Jining City, Shandong Province Applicant after: Classic Heavy Industry Group Co.,Ltd. Applicant after: Shandong MCC classic Construction Technology Co.,Ltd. Address before: 272100 north of Xishou Road, North Huancheng Road, Yanzhou Industrial Park, Yanzhou District, Jining City, Shandong Province Applicant before: SHANDONG THE CLASSIC HEAVY INDUSTRY GROUP Co.,Ltd. Applicant before: Shandong MCC classic Construction Technology Co.,Ltd. |
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Effective date of registration: 20231114 Address after: 272100 north of the West first road, Chuangye Road, Yanzhou Economic Development Zone, Jining City, Shandong Province Applicant after: Classic Heavy Industry Group Co.,Ltd. Applicant after: Shandong Classic Architecture Research Institute Co.,Ltd. Address before: 272100 north of the West first road, Chuangye Road, Yanzhou Economic Development Zone, Jining City, Shandong Province Applicant before: Classic Heavy Industry Group Co.,Ltd. Applicant before: Shandong MCC classic Construction Technology Co.,Ltd. |
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