CN111424848A - Assembled integral type composite heat-insulation shear wall structure and construction method thereof - Google Patents

Assembled integral type composite heat-insulation shear wall structure and construction method thereof Download PDF

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Publication number
CN111424848A
CN111424848A CN202010436882.1A CN202010436882A CN111424848A CN 111424848 A CN111424848 A CN 111424848A CN 202010436882 A CN202010436882 A CN 202010436882A CN 111424848 A CN111424848 A CN 111424848A
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China
Prior art keywords
heat
insulation
layer
shear
prefabricated
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CN202010436882.1A
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Chinese (zh)
Inventor
张晓巍
张学勇
张洪波
穆玉亮
秦皓
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张学勇
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Priority to CN202010436882.1A priority Critical patent/CN111424848A/en
Publication of CN111424848A publication Critical patent/CN111424848A/en
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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
    • E04B2/56Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
    • 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

Abstract

The invention provides an assembled integral composite heat-insulation shear wall structure and a construction method thereof, wherein the structure comprises a cast-in-place structural part and a prefabricated heat-insulation structural part, the cast-in-place structural part comprises a reinforced concrete shear wall, a reinforced concrete floor slab and a bearing lug, the prefabricated heat-insulation structural part comprises a prefabricated heat-insulation protection integrated plate and a lug-picking heat-insulation plate, and the prefabricated heat-insulation protection integrated plate is positioned on the outer side of the reinforced concrete shear wall and is used as a non-dismantling outer wall template; the prefabricated heat-insulation protection integrated board comprises a heat-insulation material layer and a protection structure layer, wherein three-dimensional structure steel bars are arranged in the heat-insulation material layer, and steel bar meshes are arranged in the protection structure layer. The prefabricated heat-preservation protection integrated plate and the shear wall are connected into a whole, so that the same service life of the heat preservation and the structure of the building is realized, and the prefabricated heat-preservation protection integrated plate has the advantages of long service life, good heat preservation effect, firm and reliable connection and high construction efficiency.

Description

Assembled integral type composite heat-insulation shear wall structure and construction method thereof
Technical Field
The invention relates to the technical field of building materials, in particular to an assembled integral type composite heat-insulation shear wall structure and a construction method thereof.
Background
The building energy consumption accounts for about 30 percent of the total social energy consumption, and accounts for the largest proportion of the total social energy consumption, so the building energy conservation becomes the key for improving the energy utilization rate and reducing the pollution emission. The existing method for building external wall heat insulation in China mainly adopts an external-pasting heat insulation technology. Because the external heat preservation mainly depends on the installation and the fixation of the adhesive, and the quality control difficulty of the adhesive is large, the service life is short, the service life of the technology is only 25 years, and the problems of easy falling, no fire prevention and the like exist, and accidents are frequent. The external-pasting heat-insulation technology needs a large amount of external formwork materials for buildings in the construction process, and meanwhile, a large amount of construction time is occupied in the subsequent external-pasting heat-insulation process, so that the material cost and the labor cost are improved, and the construction efficiency is reduced. In recent years, people start to use a heat-insulating disassembly-free external template technology on some buildings, the technology reduces the risk of falling of a heat-insulating system to a certain extent, but the fixed connection between the heat-insulating disassembly-free external template and a main structure still mainly depends on the interface bonding between concrete and mortar, the heat-insulating system still has the hidden danger of cracking and falling, and the hidden danger of cracking and falling cannot be realized, the service life of the hidden danger is the same as that of the main structure, and the hidden danger of maintenance and replacement is needed. In view of the above, it is necessary to provide an assembled monolithic composite thermal insulation shear wall structure to solve the above technical problems.
Disclosure of Invention
The invention aims to provide an assembled integral type composite heat-insulation shear wall structure and a construction method thereof. The prefabricated heat-preservation protection integrated plate and the shear wall are connected into a whole, so that the same service life of the heat preservation and the structure of the building is realized, and the prefabricated heat-preservation protection integrated plate has the advantages of long service life, good heat preservation effect, firm and reliable connection and high construction efficiency.
The above purpose is realized by the following technical scheme:
the utility model provides an assemble integral compound incubation shear wall structure, includes cast-in-place structure spare and prefabricated insulation structure spare, its characterized in that: the cast-in-place structural part comprises a reinforced concrete shear wall and a reinforced concrete floor slab, the prefabricated heat-insulation structural part comprises a prefabricated heat-insulation protection integrated plate and a lug-raising heat-insulation plate, a bearing lug is extended out of the reinforced concrete shear wall from the reinforced concrete floor slab, the prefabricated heat-insulation protection integrated plate is positioned on the outer side of the reinforced concrete shear wall, the upper end surface and the lower end surface of the prefabricated heat-insulation protection integrated plate are connected with the bearing lug-raising, and the lug-raising heat-insulation plate is positioned on the outer side of the; the prefabricated heat-insulation protection integrated plate comprises a heat-insulation material layer and a protection structure layer, wherein three-dimensional structural steel bars are arranged in the heat-insulation material layer, a steel bar net piece is arranged in the protection structure layer, and the three-dimensional structural steel bars are provided with external connecting steel bar ends extending out of the outer side of the heat-insulation material layer and internal connecting steel bar ends extending out of the inner side of the heat-insulation material layer; shear wall reinforcing bars and tie bars are arranged in the reinforced concrete shear wall, floor reinforcing bars are arranged in the reinforced concrete floor slab, and the ends of the external connecting reinforcing bars are connected with reinforcing mesh sheets of the protective structure layer; the inner connecting steel bar end is connected with a tie bar in the reinforced concrete shear wall, a bearing lug is arranged in the bearing lug, a lug reinforcing bar connected with a floor slab reinforcing bar is arranged in the bearing lug, and the lug reinforcing bar is connected with the lug reinforcing bar by utilizing a corner plate reinforcing member.
Furthermore, the outer side surface of the ear-picking heat-insulation plate and the outer side surfaces of the vertically adjacent prefabricated heat-insulation protection integrated plates are kept on the same plane.
Furthermore, the upper end and the lower end of the protective structure layer are provided with beard ribs connected with the reinforcing mesh, and the beard ribs are used for connecting the ear-picking reinforcing steel bars.
Further, the protective structure layer is a prefabricated plate formed by adding an inorganic cementing material, an anti-cracking reinforced fiber material, a lightweight aggregate and water into the lightweight heat-insulating concrete, mixing, curing and forming; the ear-picking heat-insulation plate is a vacuum heat-insulation plate.
Further, prefabricated heat preservation protection intergral template is equipped with pre-buried split bolt pipe fitting, and pre-buried split bolt pipe fitting link up insulation material layer and protection tectorial layer.
A construction method for assembling an integral composite heat-insulation shear wall structure comprises the following steps:
firstly, manufacturing prefabricated heat-insulating structural parts in a factory
1) Shearing and welding the steel bars according to the size to form the three-dimensional structural steel bars, laying the three-dimensional structural steel bars in a thermal insulation material foaming mold, and injecting a thermal insulation foaming material to prepare a thermal insulation material layer with the built-in three-dimensional structural steel bars;
2) manufacturing a steel bar mesh and a beard rib, and connecting the end of an external connection steel bar of the three-dimensional structure steel bar with the steel bar mesh;
3) punching a heat insulation material layer and installing split bolt pipe fittings;
4) mixing raw materials of light heat-insulating concrete, an inorganic cementing material, an anti-cracking reinforced fiber material and a light aggregate in proportion, paving the mixture on the side of a heat-insulating material layer, and curing and forming to prepare a prefabricated heat-insulating protection integrated plate;
5) cutting the ear-picking heat-insulation board according to the size, and manufacturing an angle plate reinforcing member for fixing the ear-picking heat-insulation board;
second, cast-in-place structural member fabrication
1) Erecting the prefabricated heat-insulation protection integrated plate prepared in the first step as a disassembly-free external template, binding shear wall reinforcing bars and tie bars in the reinforced concrete shear wall, and connecting the ends of the internal connecting steel bars of the three-dimensional structure steel bars in the heat-insulation material layer with the tie bars;
2) erecting an inner formwork of the reinforced concrete shear wall, and connecting the inner formwork of the reinforced concrete shear wall and the prefabricated heat-insulation protection integrated plate by utilizing split bolts;
3) erecting a roof template, binding floor slab reinforcing bars and lug-raising reinforcing bars, and connecting and fixing the lug-raising heat-insulation boards and the lug-raising reinforcing bars by utilizing angle plate reinforcing members;
4) and (5) performing concrete pouring on the reinforced concrete shear wall and the reinforced concrete floor slab.
5) And (4) after maintenance and forming, dismantling the split bolt, and filling the split bolt hole by using a heat insulation material.
The prefabricated heat-preservation protection integrated plate and the ear-picking heat-preservation plate are manufactured in a factory, the three-dimensional structural steel bars are laid in the die firstly, and then the heat-preservation material is foamed, so that the heat-preservation material and the three-dimensional structural steel bars can be seamlessly combined, and the heat-preservation performance and the structural strength of the prefabricated heat-preservation protection integrated plate are improved. The prefabricated heat-insulation protection integrated plate is used as a non-dismantling external wall template, and is connected with the reinforced concrete shear wall into a whole after concrete of a structural wall body is poured, so that the assembled integrated composite heat-insulation shear wall is formed. The invention realizes the synchronous construction of building heat preservation and the main body, improves the safety of building heat preservation and realizes the same service life of building heat preservation and structure. The invention saves the material cost of the external template for the building and the cost of the dismantling process in the application process, does not need the subsequent external pasting heat preservation process, improves the construction efficiency and saves the labor cost.
Drawings
FIG. 1 is a schematic sectional structure view of the assembled monolithic composite thermal insulation shear wall of the present invention.
Fig. 2 is a schematic side view of the prefabricated heat-insulating protection integrated plate of the invention.
The corresponding part names in the figure are: 1, a reinforced concrete shear wall; 2, a reinforced concrete floor slab; 3 picking ear insulation boards; 4 bearing and lifting lugs; 5, a heat insulation material layer; 6 a protective structural layer; 7, reinforcing steel bars with three-dimensional structures; 8, reinforcing steel bar meshes; 9 externally connecting the ends of the steel bars; 10 connecting the ends of the reinforcing steel bars; 11, reinforcing bars of the shear wall; 12, stretching a rib; 13, reinforcing bars of the floor slab; 14, picking ear reinforcing steel bars; 15 corner plate reinforcement; 16 beard tendon; 17 pre-burying split bolt pipe fittings.
Detailed Description
Referring to fig. 1 to 2, the invention provides an assembled integral composite thermal insulation shear wall structure, which comprises a cast-in-place structural part and a prefabricated thermal insulation structural part, wherein the cast-in-place structural part comprises a reinforced concrete shear wall 1 and a reinforced concrete floor slab 2, the prefabricated thermal insulation structural part comprises a prefabricated thermal insulation protection integrated plate and a lug-raising thermal insulation plate 3, a bearing lug 4 extends from the reinforced concrete floor slab to the outer side of the reinforced concrete shear wall, the prefabricated thermal insulation protection integrated plate is positioned at the outer side of the reinforced concrete shear wall, the upper end surface and the lower end surface of the prefabricated thermal insulation protection integrated plate are connected with the bearing lug-raising, and the lug-raising thermal insulation plate 3 is positioned at; the prefabricated heat-insulation protection integrated plate comprises a heat-insulation material layer 5 and a protection structure layer 6, wherein three-dimensional structural steel bars 7 are arranged in the heat-insulation material layer, a steel bar net piece 8 is arranged in the protection structure layer, and the three-dimensional structural steel bars are provided with outer connecting steel bar ends 9 extending out of the outer side of the heat-insulation material layer and inner connecting steel bar ends 10 extending out of the inner side of the heat-insulation material layer; shear wall reinforcing bars 11 and tie bars 12 are arranged in the reinforced concrete shear wall, floor reinforcing bars 13 are arranged in the reinforced concrete floor slab, and the external connecting reinforcing bar end 9 is connected with the reinforcing bar net piece 8 of the protective structure layer; the inner connecting reinforcing steel bar end 10 is connected with a tie bar 12 in the reinforced concrete shear wall, a bearing lug is provided with a lug reinforcing steel bar 14 connected with a floor slab reinforcement, and the lug reinforcing steel bar 14 is connected with the lug reinforcing steel bar by a corner plate reinforcing member 15. The outer side face of the ear-picking heat-insulation plate and the outer side faces of the prefabricated heat-insulation protection integrated plates which are adjacent up and down are kept on the same plane. The upper end and the lower end of the protective structure layer are provided with beard ribs 16 connected with the reinforcing mesh, and the beard ribs are used for connecting the ear picking reinforcing steel bars. The prefabricated heat preservation protection integrated plate is provided with a pre-buried split bolt pipe fitting 17, and the pre-buried split bolt pipe fitting penetrates through the heat preservation material layer and the protection structural layer.
The protective structure layer is a prefabricated plate formed by adding inorganic cementing materials, anti-cracking reinforced fiber materials, lightweight aggregate and water into lightweight heat-insulating concrete and mixing, curing and molding; the inorganic cementing material is ordinary portland cement or sulphoaluminate cement, the reinforcing material is bristle (animal fiber) or other reinforcing fiber materials, and the lightweight aggregate is one or a mixture of a plurality of polyphenyl granules, ceramsite and ceramic microspheres. Choose ear heated board to adopt the vacuum heated board that has certain bearing capacity, vacuum heated board has that thickness is little, the advantage that coefficient of heat conductivity is low, and vacuum heated board fixes and chooses the ear 4 outsides at the bearing, has reduced the production of weighing and choosing ear heat bridge effect, still can regard as simple exterior sheathing to use when pouring the reinforced concrete floor simultaneously.
A construction method for assembling an integral composite heat-insulation shear wall structure comprises the following steps:
firstly, manufacturing prefabricated heat-insulating structural parts in a factory
1) Shearing and welding the steel bars according to the size to form the three-dimensional structural steel bars, laying the three-dimensional structural steel bars in a thermal insulation material foaming mold, and injecting a thermal insulation foaming material to prepare a thermal insulation material layer with the built-in three-dimensional structural steel bars;
2) manufacturing a steel bar mesh and a beard rib, and connecting the end of an external connection steel bar of the three-dimensional structure steel bar with the steel bar mesh;
3) punching a heat insulation material layer and installing split bolt pipe fittings;
4) mixing raw materials of light heat-insulating concrete, an inorganic cementing material, an anti-cracking reinforced fiber material and a light aggregate in proportion, paving the mixture on the side of a heat-insulating material layer, and curing and forming to prepare a prefabricated heat-insulating protection integrated plate;
5) cutting the ear-picking heat-insulation board according to the size, and manufacturing an angle plate reinforcing member for fixing the ear-picking heat-insulation board;
second, cast-in-place structural member fabrication
1) Erecting the prefabricated heat-insulation protection integrated plate prepared in the first step as a disassembly-free external template, binding shear wall reinforcing bars and tie bars in the reinforced concrete shear wall, and connecting the ends of the internal connecting steel bars of the three-dimensional structure steel bars in the heat-insulation material layer with the tie bars;
2) erecting an inner formwork of the reinforced concrete shear wall, and connecting the inner formwork of the reinforced concrete shear wall and the prefabricated heat-insulation protection integrated plate by utilizing split bolts;
3) erecting a roof template, binding floor slab reinforcing bars and lug-raising reinforcing bars, and connecting and fixing the lug-raising heat-insulation boards and the lug-raising reinforcing bars by utilizing angle plate reinforcing members;
4) concrete pouring is carried out on the reinforced concrete shear wall and the reinforced concrete floor slab;
5) and (4) after maintenance and forming, dismantling the split bolt, and filling the split bolt hole by using a heat insulation material.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and those skilled in the art can make many variations and modifications of the present invention without departing from the scope of the present invention as defined in the appended claims.

Claims (6)

1. The utility model provides an assemble integral compound incubation shear wall structure, includes cast-in-place structure spare and prefabricated insulation structure spare, its characterized in that: the cast-in-place structural part comprises a reinforced concrete shear wall and a reinforced concrete floor slab, the prefabricated heat-insulation structural part comprises a prefabricated heat-insulation protection integrated plate and a lug-raising heat-insulation plate, a bearing lug is extended out of the reinforced concrete shear wall from the reinforced concrete floor slab, the prefabricated heat-insulation protection integrated plate is positioned on the outer side of the reinforced concrete shear wall, the upper end surface and the lower end surface of the prefabricated heat-insulation protection integrated plate are connected with the bearing lug-raising, and the lug-raising heat-insulation plate is positioned on the outer side of the; the prefabricated heat-insulation protection integrated plate comprises a heat-insulation material layer and a protection structure layer, wherein three-dimensional structural steel bars are arranged in the heat-insulation material layer, a steel bar net piece is arranged in the protection structure layer, and the three-dimensional structural steel bars are provided with external connecting steel bar ends extending out of the outer side of the heat-insulation material layer and internal connecting steel bar ends extending out of the inner side of the heat-insulation material layer; shear wall reinforcing bars and tie bars are arranged in the reinforced concrete shear wall, floor reinforcing bars are arranged in the reinforced concrete floor slab, and the ends of the external connecting reinforcing bars are connected with reinforcing mesh sheets of the protective structure layer; the inner connecting steel bar end is connected with a tie bar in the reinforced concrete shear wall, a bearing lug is arranged in the bearing lug, a lug reinforcing bar connected with a floor slab reinforcing bar is arranged in the bearing lug, and the lug reinforcing bar is connected with the lug reinforcing bar by utilizing a corner plate reinforcing member.
2. The assembled monolithic composite heat-insulating shear wall structure of claim 1, wherein: the outer side face of the ear-picking heat-insulation plate and the outer side faces of the prefabricated heat-insulation protection integrated plates which are adjacent up and down are kept on the same plane.
3. The assembled monolithic composite heat-insulating shear wall structure of claim 1, wherein: the upper end and the lower end of the protective structure layer are provided with beard ribs connected with the reinforcing mesh, and the beard ribs are used for connecting the ear picking reinforcing steel bars.
4. The assembled monolithic composite heat-insulating shear wall structure of claim 1, wherein: the protective structure layer is a prefabricated plate formed by mixing, curing and forming light heat-insulating concrete, an inorganic cementing material, an anti-cracking reinforced fiber material, a light aggregate and water; the ear-picking heat-insulation plate is a vacuum heat-insulation plate.
5. The assembled monolithic composite heat-insulating shear wall structure of claim 1, wherein: the prefabricated heat preservation protection integrated plate is provided with pre-buried split bolt pipe fittings, and the pre-buried split bolt pipe fittings link up insulation material layer and protection structural layer.
6. A construction method for assembling an integral composite heat-insulation shear wall structure is characterized by comprising the following steps:
firstly, manufacturing prefabricated heat-insulating structural parts in a factory
1) Shearing and welding the steel bars according to the size to form the three-dimensional structural steel bars, laying the three-dimensional structural steel bars in a thermal insulation material foaming mold, and injecting a thermal insulation foaming material to prepare a thermal insulation material layer with the built-in three-dimensional structural steel bars;
2) manufacturing a steel bar mesh and a beard rib, and connecting the end of an external connection steel bar of the three-dimensional structure steel bar with the steel bar mesh;
3) punching a heat insulation material layer and installing split bolt pipe fittings;
4) mixing raw materials of light heat-insulating concrete, an inorganic cementing material, an anti-cracking reinforced fiber material and a light aggregate in proportion, paving the mixture on the side of a heat-insulating material layer, and curing and forming to prepare a prefabricated heat-insulating protection integrated plate;
5) cutting the ear-picking heat-insulation board according to the size, and manufacturing an angle plate reinforcing member for fixing the ear-picking heat-insulation board;
second, cast-in-place structural member fabrication
1) Erecting the prefabricated heat-insulation protection integrated plate prepared in the first step as a disassembly-free external template, binding shear wall reinforcing bars and tie bars in the reinforced concrete shear wall, and connecting the ends of the internal connecting steel bars of the three-dimensional structure steel bars in the heat-insulation material layer with the tie bars;
2) erecting an inner formwork of the reinforced concrete shear wall, and connecting the inner formwork of the reinforced concrete shear wall and the prefabricated heat-insulation protection integrated plate by utilizing split bolts;
3) erecting a roof template, binding floor slab reinforcing bars and lug-raising reinforcing bars, and connecting and fixing the lug-raising heat-insulation boards and the lug-raising reinforcing bars by utilizing angle plate reinforcing members;
4) concrete pouring is carried out on the reinforced concrete shear wall and the reinforced concrete floor slab;
5) and (4) after maintenance and forming, dismantling the split bolt, and filling the split bolt hole by using a heat insulation material.
CN202010436882.1A 2020-05-21 2020-05-21 Assembled integral type composite heat-insulation shear wall structure and construction method thereof Pending CN111424848A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112832411A (en) * 2021-02-09 2021-05-25 张以超 Low-energy-consumption prefabricated bearing wallboard and method for building bearing wall

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JPH11172757A (en) * 1997-12-10 1999-06-29 Asahi Chem Ind Co Ltd Building structure
CN105019593A (en) * 2015-07-30 2015-11-04 山东万隆建材科技有限公司 Building insulation precast block and modular reinforcement cast-in-place construction method thereof
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Publication number Priority date Publication date Assignee Title
CN112832411A (en) * 2021-02-09 2021-05-25 张以超 Low-energy-consumption prefabricated bearing wallboard and method for building bearing wall

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