CN111075225A - Low-rise assembled building and construction method thereof - Google Patents
Low-rise assembled building and construction method thereof Download PDFInfo
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- CN111075225A CN111075225A CN201911290040.3A CN201911290040A CN111075225A CN 111075225 A CN111075225 A CN 111075225A CN 201911290040 A CN201911290040 A CN 201911290040A CN 111075225 A CN111075225 A CN 111075225A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H1/00—Buildings or groups of buildings for dwelling or office purposes; General layout, e.g. modular co-ordination or staggered storeys
- E04H1/02—Dwelling houses; Buildings for temporary habitation, e.g. summer houses
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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
- E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
- E04B1/34315—Structures characterised by movable, separable, or collapsible parts, e.g. for transport characterised by separable parts
- E04B1/34321—Structures characterised by movable, separable, or collapsible parts, e.g. for transport characterised by separable parts mainly constituted by panels
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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
- E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
- E04B1/34315—Structures characterised by movable, separable, or collapsible parts, e.g. for transport characterised by separable parts
- E04B1/34326—Structures characterised by movable, separable, or collapsible parts, e.g. for transport characterised by separable parts mainly constituted by longitudinal elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
Abstract
The invention discloses a low-rise fabricated building which comprises a fully-prefabricated foundation connecting wall, a fully-prefabricated shear wall, connecting beams, non-bearing outer walls, inner partition walls and a roof panel. Correspondingly, the invention also discloses a construction method for implementing the low-rise fabricated building. The invention improves the defects of the mainstream assembled structure, has multiple technical advantages and cost advantages, and is suitable for domestic or overseas low-rise long-distance transportation projects.
Description
Technical Field
The invention relates to the technical field of assembly type buildings, in particular to a low-rise assembly type building and a construction method thereof.
Background
At present, Chinese economy is highly related to world economy, along with the high-speed development of Chinese economy, the building scale is continuously enlarged, the building industry develops faster, the competition among industries is increasingly violent, and enterprises are forced to continuously improve the self competitiveness. Some domestic construction enterprises are not limited to local construction projects any more, and more companies participate in remote bidding and even overseas bidding. Domestic construction enterprises rely on rich construction experience and good project public praise, overseas orders grow at a high speed every year, and benefits are brought to the enterprises. But enterprises have some outstanding problems when they take over remote or overseas projects, such as: corresponding building materials cannot be locally purchased in a project; construction market labor costs are rising and resources are in short supply; the production efficiency of personnel is low; the unskilled skill of the labor personnel directly causes higher building energy consumption and large resource and energy consumption; the engineering quality and safety aspects still have more problems. The construction enterprises are often difficult to realize profit according to the traditional construction mode when building in different places or carrying overseas projects.
Researches find that the key point is to solve the problems of labor employment and material transportation. These several problems are solved by technical means more important than the enhanced management. Such as: concrete buildings are prefabricated in whole or in part in a factory for installation and connection on site. The mode greatly reduces field workers and construction operation, and the raw materials transported to the field are structural members instead of raw materials, so that the raw materials can be purchased around a factory in a matched manner, and the material source and the performance are more stable and reliable. The assembly type building is generated in compliance with the background of the current generation, and the problems of manpower, resources and environmental protection are solved through advanced technical means, so that the assembly type building is developed.
At present, the mainstream fabricated concrete residential building is not provided with structural systems such as a fabricated integral frame, a wallboard, a fabricated integral shear wall, a frame-shear, a frame-barrel and the like, and no matter which system cost has no advantages compared with the traditional construction mode, because the fabricated building is still in the initial stage of industrialization, the scale is not formed yet, the scale range is wide, the important influence factor is the component standardization, the scale can be understood as the component standardization in a narrow way, and the specifications and types of components in the mainstream fabricated building at the present stage are more, so that the following problems are directly caused: firstly, the using amount of the die is large, and the cost of auxiliary materials is high; secondly, the production efficiency is influenced by excessive types of components, and the labor cost in a factory is high; thirdly, customized production is carried out, the turnover rate of equipment is not high, rapid operation cannot be formed, and the production efficiency is low; fourthly, the construction period is too long, so that capital of enterprises returns to the cage to bear pressure; fifthly, the overseas project also needs to consider transportation size limitation and long-distance transportation, and unreasonable component disassembly can also affect the safety and the economy of the structure.
The low-rise fabricated structure system (LCP system for short) is similar to an 'integrally fabricated shear wall' structure, shear walls are generally transversely and longitudinally arranged in the mainstream 'integrally fabricated shear wall' structure method, a foundation is cast-in-place, a shear wall part on the upper part of the foundation is prefabricated, a structural edge or a constraint edge component is cast-in-place, post-cast concrete at a node part forms a whole, the lower end of the shear wall is connected with a reserved steel bar of the foundation through a grouting sleeve, and the method has several problems: 1. the foundation cannot be prefabricated; 2. the shear walls are arranged in the transverse direction and the longitudinal direction, so that the construction cost is increased, the specification and the size of the shear walls are too large, the using amount of a die is increased, and the manufacturing period is prolonged; 3. the grout sleeve quantity is too much, increases and takes place probability and the connection cost increase of junction potential safety hazard appearance. 4. The construction process is complex and the construction period is long; 5. the prefabrication rate is not high; 6. the components are too large in size, can only be transported by automobiles and cannot be transported in a long distance, and the transportation cost is too high.
Disclosure of Invention
The invention aims to provide a low-rise fabricated building and a construction method thereof, and provides a comfortable low-cost whole-house solution for domestic or overseas remote low-rise fabricated cluster houses.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a low-rise fabricated building comprises a fully-prefabricated foundation connecting wall, a fully-prefabricated shear wall, connecting beams, non-bearing outer walls, inner partition walls and a roof panel, wherein the fully-prefabricated foundation connecting wall and the fully-prefabricated shear wall are connected through metal connecting pieces to form transverse shear walls, the connecting beams are connected between adjacent transverse shear walls, the roof panel is connected with the fully-prefabricated shear wall, and the adjacent transverse shear walls are connected through the connecting beams, the non-bearing outer walls, the inner partition walls and the roof panel to form an integral space structure.
Preferably, the prefabricated wall comprises a floor slab, and the floor slab is erected on the full prefabricated foundation connecting wall.
Preferably, said non load bearing exterior wall and said interior partition wall are supported above said floor.
Preferably, the fully prefabricated foundation connecting wall comprises a lower section of transverse shear wall and a raft foundation, and the lower section of transverse shear wall and the raft foundation are integrally prefabricated; the floor frame is erected at the top of the raft foundation; the fully-prefabricated shear wall comprises an upper section of shear wall, and the middle area and the edge components of the upper section of shear wall are integrally prefabricated.
Preferably, the floors include prestressed hollow floors, prestressed solid floors and non-prestressed solid slabs.
Preferably, the non-load bearing outer wall and the inner partition wall are supported on the ground.
Preferably, the non-load-bearing outer wall comprises a solid plate and a hollow plate; and/or the roof panels comprise prestressed hollow floor slabs, prestressed solid floor slabs and non-prestressed solid slabs.
Preferably, the full precast shear wall includes an agent shape, a [ shape, and an I-shape structure.
Preferably, the connection modes between the fully-prefabricated foundation connecting wall, the fully-prefabricated shear wall, the connecting beam, the non-bearing outer wall, the inner partition wall and the roof panel comprise dry connection, wet connection and dry-wet mixed connection.
A method of constructing a low-rise assembly building as described above, comprising:
s1: providing a fully-prefabricated foundation connecting wall, a fully-prefabricated shear wall, a connecting beam, a non-bearing outer wall, an inner partition wall and a roof panel;
s2: firstly, mounting a fully prefabricated foundation connecting wall on the ground, and then mounting a fully prefabricated shear wall on the fully prefabricated foundation connecting wall to form a transverse shear wall;
s3: transversely and fixedly connecting the connecting beam with the adjacent transverse shear wall;
s4: installing a non-bearing outer wall at the periphery of the building and installing an inner partition wall in the building;
s5: and a roof panel is arranged on the top of the transverse shear wall.
Through the integral shear wall structure way of improvement tradition assembly for:
1. the bearing structure has few types of components, only including 5 types of 'fully prefabricated foundation connecting walls', 'fully prefabricated shear walls', 'connecting beams', 'floor slabs' and 'roof slabs', and the external dimensions of the components are uniform, so that the using amount of a mold is greatly reduced;
2. the non-bearing building envelope is provided with 2 types of non-bearing outer walls and inner partition walls, both of which use a large number of standard components (components produced by a long line platform) with fixed width, so that large-scale production is realized, and the mass production of the components can greatly improve the turnover rate of equipment;
3. the single house type flexible combination can realize double-spliced and multi-spliced houses, and two houses share one part of structure, thereby further reducing the unit construction cost;
4. the prefabrication rate is high, all components including the foundation can be prefabricated in a factory, and the field wet operation is reduced to the maximum extent; the foundation and the lower bearing wall can be integrally prefabricated or separately prefabricated independently, the transportation requirements of international commercial and trade 40-inch containers are matched, and the long-distance transportation limit of trains or ships is met;
5. the field connection construction is flexible, wet connection or dry connection can be adopted, and different connection modes can be selected according to regions in the design stage, so that the structure meets the earthquake-resistant requirements of different regions; the construction is simple; the water, electricity and the internal fittings are preferably selected on the premise of meeting the basic functions of the building, and the fittings and the structural system SI are designed in a separated mode, so that the comprehensive cost is low, and the maintenance and the replacement are easy.
Drawings
FIG. 1 is an isometric view of a load bearing member according to one embodiment of the present invention;
FIG. 2 is an isometric view of an entire house according to an embodiment of the present invention;
FIG. 3 is an internal structural view of an embodiment of the present invention;
FIG. 4 is a structural diagram of a fully prefabricated foundation wall according to an embodiment of the present invention;
FIG. 5 is a structural diagram of a fully prefabricated shear wall in accordance with an embodiment of the present invention;
FIG. 6 is a block diagram of an embodiment of the tie beam of the present invention;
fig. 7 is a connection structure diagram according to an embodiment of the invention, wherein (a) is a dry connection structure diagram, and (b) is a dry-wet hybrid connection structure diagram.
In the figure, 1-a fully prefabricated foundation connecting wall; 2-fully prefabricating the shear wall; 3-connecting the beam; 4-a floor slab; 5-roof boarding; 6-non-load bearing outer wall; 7-inner partition wall; 8-wall connectors; 9-grouting material; 10-horizontal seam; 11-embedded anchor bolt.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the respective embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Referring to fig. 1 to 7, a low-rise fabricated building includes a fully prefabricated foundation connecting wall 1, a fully prefabricated shear wall 2, connecting beams 3, non-load-bearing outer walls 6, inner partition walls 7 and a roof panel 5, the fully prefabricated foundation connecting wall 1 and the fully prefabricated shear wall 2 are connected by metal connectors to form transverse shear walls, the connecting beams 3 are connected between adjacent transverse shear walls, the roof panel 5 is connected with the fully prefabricated shear wall 2, and the adjacent transverse shear walls are connected by the connecting beams 3, the non-load-bearing outer walls 6, the inner partition walls 7 and the roof panel 5 to form an integral space structure.
In the embodiment, the vertical load is borne by the transverse shear wall; horizontal wind load and seismic force are transmitted to all the transverse shear walls by the connecting beam 3 to be shared; the connecting beam 3 provides out-of-plane stability contribution for the transverse shear wall; the fully prefabricated foundation connecting wall 1 can effectively resist the overturning of a transverse shear wall; the roof panel 5 is connected with the fully-prefabricated shear wall 2 through bolts to provide lateral support for the transverse shear wall; the non-bearing outer wall 6 and the inner partition wall 7 are non-bearing building envelopes, wherein the non-bearing outer wall 6 is positioned on the periphery of a building, and the inner partition wall 7 is positioned in the building, so that the space isolation effect is achieved.
In one embodiment, the low-rise fabricated building includes a floor slab 4, and the floor slab 4 is erected on the fully prefabricated foundation connecting wall 1. Further, a non-load bearing outer wall 6 and an inner partition wall 7 are supported above the floor slab 4. In the design, longitudinal members such as the floor 4, the fully-prefabricated foundation connecting wall 1, the fully-prefabricated shear wall 2, the connecting beam 3 and the roof panel 5 are bearing structural members and support the integral space structure of the low-rise fabricated building together.
In one embodiment, the fully prefabricated foundation connecting wall 1 (shown in fig. 4) comprises a lower section of transverse shear wall and a raft foundation, wherein the lower section of transverse shear wall and the raft foundation are integrally prefabricated; the floor slab 4 is erected on the top of the raft slab foundation; the fully prefabricated shear wall 2 comprises an upper section of shear wall, and the middle area and the edge components of the upper section of shear wall are integrally prefabricated. In the design, the low-rise fabricated building is only provided with the transverse shear wall, and the prefabricated filling wall is arranged longitudinally. The lower foundation of the transverse shear wall adopts a small raft foundation, the transverse shear wall is divided into an upper section and a lower section, the lower section of the transverse shear wall is integrally prefabricated with the foundation and is called as a fully prefabricated foundation connecting wall 1, and the middle area and the edge components of the upper section of the shear wall are integrally prefabricated and are called as a fully prefabricated shear wall 2. The floor slab 4 is erected at the top of the small raft foundation, can balance uneven settlement of a part of the foundation and contributes to resisting the overturning of the transverse shear wall.
In another embodiment, the non-load bearing exterior wall 6 and the interior partition 7 are supported on the ground. In this design, the low-rise fabricated building does not include the floor slab 4, and therefore the non-load-bearing outer wall 6 and the inner partition wall 7 are fixed on the ground, respectively.
In one embodiment, the floors 4 include prestressed hollow floors, prestressed solid floors and non-prestressed solid slabs.
In one embodiment, the non load bearing exterior wall 6 comprises solid and hollow panels.
In one embodiment, the roof panels 5 include pre-stressed hollow roof panels, pre-stressed solid roof panels, and non-pre-stressed solid roof panels.
In one embodiment, the full precast shear wall 2 includes a shape of an | a, [ type (shown in fig. 5), and an i-shaped structure.
In one embodiment, the tie beam 3 comprises a concrete beam and a steel beam, as shown in fig. 6.
In one embodiment, the connection modes between the fully prefabricated foundation connecting wall 1, the fully prefabricated shear wall 2, the connecting beam 3, the non-load-bearing outer wall 6, the inner partition wall 7 and the roof panel 5 comprise a dry connection (shown in fig. 7 (a)), a wet connection (not shown in the figure) and a dry-wet mixed connection (shown in fig. 7 (b)). In fig. 7(a), the fully prefabricated shear wall 2 and the connecting beam 3 are fixedly connected through a metal connecting piece including a bolt. In fig. 7(b), the anchor bolts 11 are fixed on the fully prefabricated foundation connecting wall 1 in advance, the wall connecting members 8 are arranged on the fully prefabricated shear wall 2, in the process of installing the fully prefabricated foundation connecting wall 1 and the fully prefabricated shear wall 2, the metal connecting members including the prestressed reinforcements are used for connecting the wall connecting members 8 and the anchor bolts 11, and finally, grouting materials 9 are filled in the horizontal joints 10 to fill the wall connecting members 8 and the prestressed reinforcements. In the grouting process, two sides of the horizontal seam 10 are sealed by adhesive tape.
A method of constructing a low-rise assembly building as described above, comprising:
s1: providing a fully-prefabricated foundation connecting wall 1, a fully-prefabricated shear wall 2, a connecting beam 3, a non-bearing outer wall 6, an inner partition wall 7 and a roof panel 5;
s2: firstly, mounting a fully-prefabricated foundation connecting wall 1 on the ground, and then mounting a fully-prefabricated shear wall 2 on the fully-prefabricated foundation connecting wall 1 to form a transverse shear wall;
s3: the connecting beam 3 is transversely and fixedly connected with the adjacent transverse shear walls;
s4: installing a non-bearing outer wall 6 at the periphery of the building and installing an inner partition wall 7 in the building;
s5: and a roof panel 5 is arranged on the top of the transverse shear wall.
In one embodiment, both the non-load bearing exterior wall 6 and the interior partition wall 7 are fixedly mounted to the ground.
In another embodiment, the non-bearing outer wall 6 and the inner partition wall 7 are temporarily and fixedly supported, then the floor slab 4 is installed and erected on the fully prefabricated foundation connecting wall 1, and finally the non-bearing outer wall 6 and the inner partition wall 7 are supported on the floor slab 4. Specifically, the fully prefabricated foundation connecting wall 1 comprises a lower section of transverse shear wall and a raft foundation, the lower section of transverse shear wall and the raft foundation are integrally prefabricated, and the floor slab 4 is erected at the top of the raft foundation. The floor slab 4 is erected on the top of the small raft foundation, can balance uneven settlement of a part of the foundation and contributes to resisting the overturning of the transverse shear wall.
In one embodiment, step S2 includes cast-attaching the fully prefabricated foundation connecting wall 1 and the fully prefabricated shear wall 2. In the design, the fully-prefabricated foundation connecting wall 1 and the fully-prefabricated shear wall 2 are fixedly installed in a dry-wet mixed connection mode combining dry connection and wet connection.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.
Claims (10)
1. A low-rise fabricated building characterized by: the shear wall comprises a fully-prefabricated foundation connecting wall, a fully-prefabricated shear wall, connecting beams, non-bearing outer walls, inner partition walls and a roof panel, wherein the fully-prefabricated foundation connecting wall and the fully-prefabricated shear wall are connected through metal connecting pieces to form transverse shear walls, the connecting beams are connected between the adjacent transverse shear walls, the roof panel is connected with the fully-prefabricated shear wall, and the adjacent transverse shear walls are connected through the connecting beams, the non-bearing outer walls, the inner partition walls and the roof panel to form an integral space structure.
2. A low-rise fabricated building according to claim 1, wherein: the prefabricated wall comprises a floor slab, wherein the floor slab is erected on a full prefabricated foundation connecting wall.
3. A low-rise fabricated building according to claim 2, wherein: the non-load-bearing outer wall and the inner partition wall are supported on the floor slab.
4. A low-rise fabricated building according to claim 2, wherein: the fully-prefabricated foundation connecting wall comprises a lower section of transverse shear wall and a raft foundation, and the lower section of transverse shear wall and the raft foundation are integrally prefabricated; the floor frame is erected at the top of the raft foundation; the fully-prefabricated shear wall comprises an upper section of shear wall, and the middle area and the edge components of the upper section of shear wall are integrally prefabricated.
5. A low-rise fabricated building according to claim 2, wherein: the floor slab comprises a prestressed hollow floor slab, a prestressed solid floor slab and a non-prestressed solid slab.
6. A low-rise fabricated building according to claim 1, wherein: the non-bearing outer wall and the inner partition wall are supported on the ground.
7. A low-rise fabricated building according to claim 1, wherein: the non-load-bearing outer wall comprises a solid plate and a hollow plate; and/or the roof panels comprise prestressed hollow floor slabs, prestressed solid floor slabs and non-prestressed solid slabs.
8. A low-rise fabricated building according to claim 1, wherein: the full precast shear wall comprises an agent shape, a shape and an I-shaped structure.
9. A low-rise fabricated building according to claim 1, wherein: the connection modes of the fully-prefabricated foundation connecting wall, the fully-prefabricated shear wall, the connecting beam, the non-bearing outer wall, the inner partition wall and the roof panel comprise dry connection, wet connection and dry-wet mixed connection.
10. A method of constructing a low-rise assembly building according to any one of claims 1 to 9, comprising:
s1: providing a fully-prefabricated foundation connecting wall, a fully-prefabricated shear wall, a connecting beam, a non-bearing outer wall, an inner partition wall and a roof panel;
s2: firstly, mounting a fully-prefabricated foundation connecting wall on the ground, and then mounting a fully-prefabricated shear wall on the fully-prefabricated foundation connecting wall to form a transverse shear wall;
s3: transversely and fixedly connecting the connecting beam with the adjacent transverse shear wall;
s4: installing a non-bearing outer wall at the periphery of the building and installing an inner partition wall in the building;
s5: and a roof panel is arranged on the top of the transverse shear wall.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911290040.3A CN111075225A (en) | 2019-12-16 | 2019-12-16 | Low-rise assembled building and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911290040.3A CN111075225A (en) | 2019-12-16 | 2019-12-16 | Low-rise assembled building and construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112523339A (en) * | 2020-11-04 | 2021-03-19 | 上海建工二建集团有限公司 | Assembly type structure system and construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112523339A (en) * | 2020-11-04 | 2021-03-19 | 上海建工二建集团有限公司 | Assembly type structure system and construction method thereof |
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