CN110616803B - Assembled building structure system and construction method - Google Patents
Assembled building structure system and construction method Download PDFInfo
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- CN110616803B CN110616803B CN201910922141.1A CN201910922141A CN110616803B CN 110616803 B CN110616803 B CN 110616803B CN 201910922141 A CN201910922141 A CN 201910922141A CN 110616803 B CN110616803 B CN 110616803B
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- 238000010276 construction Methods 0.000 title claims abstract description 31
- 238000011065 in-situ storage Methods 0.000 claims abstract description 67
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 41
- 239000010959 steel Substances 0.000 claims abstract description 41
- 238000005266 casting Methods 0.000 claims description 18
- 238000009417 prefabrication Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 7
- 238000005452 bending Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000009435 building construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
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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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/21—Connections specially adapted therefor
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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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/22—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material with parts being prestressed
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention relates to the technical field of buildings, in particular to an assembled building structure system and a construction method. The fabricated building structural system comprises: the prefabricated column, the prefabricated beam, the prestressed structure and the connecting steel bars are arranged independently; the precast column is internally provided with a column cavity, the precast beam is internally provided with a beam cavity, the prestress structure is arranged in the beam cavity, the end part of the precast beam is lapped at the end part of the precast column, one end of the connecting steel bar is connected with the precast column, the other end of the connecting steel bar is at least partially positioned in the beam cavity, and the column cavity and the beam cavity are filled with cast-in-situ concrete layers. And concrete is cast in situ in the column cavity and the beam cavity, so that a formed column and a formed beam are formed, the formed column, the formed beam and the connecting nodes between the column and the beam are equivalent to cast in situ, and the whole structure has higher strength. The prestress structure ensures that the formed beam has certain prestress, so that the formed beam has high strength, and the strength of the fabricated building structure system is further improved.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to an assembled building structure system and a construction method.
Background
In the related art, an assembled building structure system comprises a plurality of prefabricated columns and a plurality of prefabricated prestressed beams. And the prefabricated column and the prefabricated prestressed beam are cast in a factory, the top end of the prefabricated column and one end of the corresponding prefabricated prestressed beam are integrally prefabricated and formed, and the prefabricated formed prefabricated column and the prefabricated prestressed beam are transported to a construction site to be assembled with other prefabricated components. The strength of such fabricated building construction systems is low.
Disclosure of Invention
The invention aims to provide an assembled building structure system and a construction method, which are used for solving the technical problem of low strength of the assembled building structure system in the prior art.
The invention provides an assembled building structural system, comprising: the prefabricated column, the prefabricated beam, the prestressed structure and the connecting steel bars are arranged independently;
the precast beam is characterized in that a column cavity is formed in the precast column, a beam cavity is formed in the precast beam, the prestress structure is arranged in the beam cavity, the end part of the precast beam is lapped at the end part of the precast column, one end of the connecting reinforcing steel bar is connected with the precast column, the other end of the connecting reinforcing steel bar is at least partially positioned in the beam cavity, and cast-in-situ concrete layers are filled in the column cavity and the beam cavity.
Further, the assembled building structure system further comprises a precast floor slab, the precast floor slab comprises a floor slab body and a floor slab cast-in-situ layer, the floor slab body is lapped on the precast beam, the floor slab cast-in-situ layer is communicated with the beam cavity, and the floor slab cast-in-situ layer is provided with the cast-in-situ concrete layer.
Further, the assembled building structure system further comprises a foundation, a cast-in-situ gap is arranged between the lower end of the prefabricated column and the foundation, an opening at the lower end of the prefabricated column is arranged so that the column cavity is communicated with the cast-in-situ gap, and the cast-in-situ concrete layer is arranged at the cast-in-situ gap.
Further, the prefabricated column comprises a column shell and longitudinal stress steel bars arranged in the column shell, and the longitudinal stress steel bars extend out of the lower end of the column shell and are connected with the foundation.
Further, the foundation comprises a foundation body and foundation reinforcing steel bars protruding out of the foundation body, wherein the lower ends of the longitudinal stress reinforcing steel bars are connected with the foundation reinforcing steel bars through mechanical sleeves.
Further, the precast beam comprises a beam shell body, the periphery of the beam shell body is sealed, the beam cavity is formed in the beam shell body, and a top plate of the beam shell body is provided with grouting holes.
The invention provides a construction method of an assembled building structure system, which comprises the following steps:
prefabricating the prefabrication column, forming a column cavity in the prefabrication column,
prefabricating a prefabricated beam, wherein a beam cavity is formed in the prefabricated beam, and a prestress structure is arranged in the beam cavity;
the end part of the precast beam is lapped on the top end of the precast column, one end of the precast column is connected with the precast column by adopting a connecting steel bar, and the other end of the precast beam is at least partially positioned in the beam cavity;
and casting concrete into the column cavity and the beam cavity in situ.
Further, casting concrete into the column cavity and the beam cavity in situ; in particular to the preparation method of the composite material,
firstly, casting concrete into the column cavity in situ;
and after the cast-in-place concrete in the column cavity is hardened to a certain degree, casting the concrete into the beam cavity in situ.
Further, the precast column and the precast beam are transported to a construction site for hoisting, the end part of the precast beam is lapped at the top end of the precast column, and the method further comprises the steps of,
and overlapping the precast floor slabs on the precast beams.
Further, the precast column and the precast beam are transported to a construction site for hoisting, the end part of the precast beam is lapped before the top end of the precast column,
the prefabricated column is connected with the foundation, and a cast-in-situ gap is arranged between the prefabricated column and the foundation.
The invention provides an assembled building structure system and a construction method, comprising the following steps: the precast column, the precast beam and the prestress structure are arranged independently; the precast column is internally provided with a column cavity, the precast beam is internally provided with a beam cavity, the prestress structure is arranged in the beam cavity, and the column cavity and the beam cavity are filled with cast-in-situ concrete layers.
Respectively prefabricating a prefabricating column and a prefabricating beam in a factory, forming a column cavity in the prefabricating column, arranging a beam cavity in the prefabricating beam, and arranging a prestress structure in the beam cavity; the prefabricated column and the prefabricated beam are transported to a construction site for hoisting, so that the end part of the prefabricated beam is lapped at the top end of the prefabricated column, one end of a connecting steel bar is connected with the prefabricated column, and the other end of the connecting steel bar is at least partially positioned in a beam cavity; and concrete is cast in situ in the column cavity and the beam cavity, so that a formed column and a formed beam are formed, the formed column, the formed beam and the connecting nodes between the column and the beam are equivalent to cast in situ, and the whole structure has higher strength. The prestress structure ensures that the formed beam has certain prestress, so that the formed beam has high strength, and the strength of the fabricated building structure system is further improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of an assembled building architecture according to an embodiment of the present invention;
fig. 2 is a schematic structural view of the fabricated building structural system shown in fig. 1.
In the figure: 10-prefabricating a column; 20-prefabricating a beam; 30-a pre-stress structure; 40-connecting reinforcing steel bars; 50-base; 60-a mechanical sleeve; 11-column housing; 12-column cavity; 13, longitudinal stress steel bars; 21-a beam housing; 22-beam cavity; 31-bellows; 32-stretching the steel bars; 51-a base body; 52-foundation rebar.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
The precast beam, the precast column and the precast floor slab which are cast in place are respectively formed into a formed beam, a formed column and a formed floor slab.
As shown in fig. 1 and 2, the present invention provides a fabricated building structural system comprising: the prefabricated column 10, the prefabricated beam 20, the prestressed structure 30 (preferably a post-tensioned prestressed structure is used, so that the construction is convenient and the construction is reliable) and the connecting steel bars 40 are arranged independently of each other; the precast column 10 is internally provided with a column cavity 12, the precast beam 20 is internally provided with a beam cavity 22, the prestressed structure 30 is arranged in the beam cavity 22, the end part of the precast beam 20 is lapped at the end part of the precast column 10, one end of a connecting reinforcing steel bar 40 is connected with the precast column 10, the other end is at least partially positioned in the beam cavity 22, and the column cavity 12 and the beam cavity 22 are filled with cast-in-situ concrete layers.
In this embodiment, the prefabricated column 10 and the prefabricated beam 20 are prefabricated in a factory, and the prefabricated column 10 is internally provided with a column cavity 12, the prefabricated beam 20 is internally provided with a beam cavity 22, and the beam cavity 22 is internally provided with a prestress structure 30; the prefabricated column 10 and the prefabricated beam 20 are transported to a construction site for hoisting, so that the end part of the prefabricated beam 20 is lapped on the top end of the prefabricated column 10, one end of the prefabricated column 10 is connected with the prefabricated column by adopting a connecting steel bar 40, and the other end is at least partially positioned in the beam cavity 22; casting concrete in situ into the column cavity 12 and beam cavity 22; after the cast-in-place concrete in the beam cavity 22 has hardened to a certain extent, the pre-stressing structure 30 is tensioned until the cast-in-place concrete in the beam cavity 22 has completely hardened, to which end the formation of the column, the formation of the beam and the connection between the column and the beam is completed.
The prefabricated column 10 and the prefabricated beam 20 are prefabricated and formed respectively, and are hollow, so that the prefabricated column is convenient to transport and the transport cost is reduced; the precast beam 20 is lapped on the precast column 10 at a construction site, and then cast in situ, so that the precast column is convenient to assemble and high in efficiency; the formed column, the formed beam and the connecting nodes between the formed column and the formed beam are equivalent to in-situ pouring, so that the strength is high and the comprehensive performance is good; and the pre-stressing structure 30 can make the precast beam 20 have post-tensioning pre-stressing, so that the strength of the beam is improved, the middle part of the beam is prevented from bending, and the strength of the assembled building structure system is further improved.
In addition, the pre-stress structure can enable the pre-fabricated beam to have post-tensioning pre-stress, so that the strength of the beam is improved, the middle part of the beam is prevented from being bent, and the strength of the fabricated building structure system is further improved.
In particular implementations, the column cavity 12 and the beam cavity 22 may be cast in place separately.
Optionally, concrete is poured into the column cavity 12 and the beam cavity 22 in sequence from top to bottom, in order, and construction is facilitated.
Casting of the beam cavity 22 may be performed after casting of the column cavity 12 is completed.
Optionally, concrete is first poured in situ into the column cavity 12; after the in-situ concrete within the column cavity 12 has hardened to a certain extent, the in-situ concrete is poured into the beam cavity 22. In this embodiment, post-tensioning prestressing of the precast beam 20 is avoided from being affected by cast-in-place concrete within the column cavity 12.
In the embodiment described above, one end of the connecting bar 40 may be buried in the precast column 10 in advance.
In the embodiment described above, the prefabricated column 10 includes a column housing 11 and a longitudinal stress steel bar 13 disposed in the column housing 11, and one end of the connecting steel bar 40 may be connected to the upper end of the longitudinal stress steel bar 13, and may be welded, fastened or mechanically connected. The other end of the connecting steel bar is at least partially positioned in the beam cavity of the precast beam. The other end of the connecting steel bar extends into the beam cavity, and can not extend out of the precast beam or extend out of the precast beam. The extending precast beam can be conveniently connected with the upper precast column.
On the basis of the embodiment, the fabricated building structure system further comprises a prefabricated floor slab, wherein the prefabricated floor slab comprises a floor slab body and a floor slab cast-in-situ layer, the floor slab body is lapped on the prefabricated beam 20, the floor slab cast-in-situ layer is communicated with the beam cavity 22, and the floor slab cast-in-situ layer is provided with a cast-in-situ concrete layer.
In the specific scheme of the embodiment, the cast-in-situ layer of the precast floor slab, the beam cavity 22 of the precast beam 20 and the beam cavity 22 of the precast column 10 are all cast in situ, so that the formed floor slab, the formed beam, the formed column and the connecting nodes between the three are all equivalent to cast in situ, and the strength of the fabricated building structure system can be further improved.
As shown in fig. 1, further, on the basis of the above embodiment, the fabricated building structure system further comprises a foundation 50 for being disposed at a construction site, a cast-in-place gap is disposed between the lower end of the prefabricated column 10 and the foundation 50, and the lower end of the prefabricated column 10 is opened so that the column cavity 12 is communicated with the cast-in-place gap, and a cast-in-place concrete layer is disposed at the cast-in-place gap.
In this embodiment, the connection node between the foundation 50 and the forming column, the forming beam, the connection node between the forming column and the forming beam, the forming floor slab, and the connection node between the forming beam and the forming floor slab are all equivalent to in-situ casting, so that the strength of the fabricated building structure system is further improved.
In the embodiment described above, the longitudinal stress steel bars 13 extend out of the lower end of the column housing 11 to a predetermined distance, the foundation includes a foundation body 51 and foundation steel bars 52 protruding from the foundation body, and the lower ends of the longitudinal stress steel bars 13 are connected to the foundation steel bars 52. In this embodiment, the lower end of the longitudinal stress steel bar 13 extending out of the column housing 11 is located at the cast-in-situ gap, so that the strength of the connection node between the foundation 50 and the column can be further improved, and the strength of the fabricated building structure system is further improved.
The longitudinal stress steel bars 13 and the foundation steel bars 52 can be connected through welding or binding, alternatively, the longitudinal stress steel bars 13 and the foundation steel bars 52 are connected through a mechanical sleeve 60 (namely, a steel bar connecting sleeve is a mechanical connection in a steel bar connecting mode and is suitable for connection between large-diameter steel bars, and the longitudinal stress steel bars are characterized by energy conservation, no limitation of steel bar components and types and the like), rapidness and convenience and high construction efficiency.
As shown in fig. 1, further, the precast beam 20 includes a beam housing 21 with sealing circumferences, and a beam cavity 22 is formed in the beam housing 21.
In the case of casting concrete in situ in the beam cavity 22, grouting holes may be provided in the side portions of the beam housing 21 for casting.
Optionally, the top plate of the beam housing 21 is provided with grouting holes, enabling cast-in-place concrete to fully fill the beam cavity 22, avoiding underfilling.
Further to the above embodiment, the bottom plate of the beam housing 21 is provided with a through hole, which communicates with the column cavity 12.
In this embodiment, the column cavity 12 is communicated with the cast-in-situ gap, the column cavity 12 is communicated with the beam cavity 22, then concrete is poured through the grouting holes on the beam shell 21, the cast-in-situ gap can be filled through the grouting holes and the column cavity 12, then the column cavity 12 and the beam cavity 22 are filled from bottom to top, the grouting holes are prevented from being arranged on other components for pouring, and the construction is convenient.
Specifically, as shown in fig. 2, the pre-stressing structure 30 is a post-tensioning pre-stressing structure 30, and the pre-stressing structure 30 comprises a corrugated tube 31 and tensioning steel bars 32 penetrating the corrugated tube 31; the bellows 31 and the tension steel bars 32 each extend in the length direction of the beam housing 21; the bellows 31 is provided in the beam housing 21, and both ends of the tension steel bars 32 pass through both ends of the beam housing 21. One end of the tensioning bar 32 may be fixed and the other end used for tensioning. Both ends of the tension bar 32 may also be used for tensioning.
The number of the prestress structures 30 can be one, two or three, etc., and can be set according to the specific stress situation of the building.
The invention provides a construction method of an assembled building structure system, which comprises the following steps:
prefabricating the prefabrication column in a factory, and forming a column cavity in the prefabrication column;
prefabricating a precast beam in a factory, wherein a beam cavity is formed in the precast beam, and a prestress structure is arranged in the beam cavity;
the prefabricated column and the prefabricated beam are transported to a construction site for hoisting, so that the end part of the prefabricated beam is lapped at the top end of the prefabricated column, one end of a connecting steel bar is connected with the prefabricated column, and the other end of the connecting steel bar is at least partially positioned in a beam cavity;
then casting concrete into the opposite column cavity and the beam cavity in situ;
taking a post-tensioning prestressed structure as an example, after the cast-in-place concrete in the beam cavity is hardened to a certain extent, tensioning the prestressed structure until the cast-in-place concrete in the beam cavity is completely hardened.
In the embodiment, the prefabricated column and the prefabricated beam are prefabricated and formed respectively, and are arranged in a hollow mode, so that transportation is convenient, and transportation cost is reduced; the precast beam is lapped on the precast column at a construction site, and then cast in situ, so that the precast beam is convenient to assemble and high in efficiency; the formed column, the formed beam and the connecting nodes between the formed column and the formed beam are equivalent to in-situ pouring, so that the strength is high and the comprehensive performance is good; and the pre-stress structure can lead the pre-fabricated beam to have post-tensioning pre-stress, improve the strength of the beam, and avoid the bending of the middle part of the beam, thereby further improving the strength of the assembled building structure system.
Wherein, can carry out cast in place to post cavity and roof beam cavity respectively.
Optionally, the in-situ concrete pouring is sequentially carried out in the column cavity and the beam cavity from top to bottom in the assembled building structure system, so that the operation is ordered and the construction is convenient.
Pouring of the beam cavity can be performed after pouring of the column cavity can be completed.
Optionally, firstly casting concrete into the column cavity in situ; and after the cast-in-place concrete in the column cavity is hardened to a certain degree, casting the concrete into the beam cavity in situ. In the embodiment, post-tensioning prestressing force can be applied to the precast beam by avoiding the influence of cast-in-place concrete in the column cavity.
On the basis of the embodiment, further, the operation steps of conveying the precast column and the precast beam to a construction site for hoisting so that the end part of the precast beam is lapped on the top end of the precast column, and then lapping the precast floor slab on the precast beam are further included.
In this embodiment, during in-situ casting, concrete is cast into the column cavity, the beam cavity and the cast-in-situ layer of the precast floor slab, the beam cavity of the precast beam and the beam cavity of the precast column are all cast in-situ, so that the formed floor slab, the formed beam, the formed column and the connection nodes between the three are all equivalent to in-situ casting, and the strength of the fabricated building structure system is further improved.
On the basis of the embodiment, further, the precast column and the precast beam are transported to a construction site for hoisting, the end part of the precast beam is lapped before the top end of the precast column,
the prefabricated column is connected with the foundation, and a cast-in-situ gap is arranged between the prefabricated column and the foundation.
In this embodiment, the cast-in-place gap, the column cavity, the beam cavity and the cast-in-place layer of the prefabricated floor slab are cast in situ, so that the connection node between the foundation and the formed column, the formed beam, the connection node between the formed column and the formed beam, the formed floor slab, the connection node between the formed beam and the formed floor slab are all equivalent to cast in situ, and the strength of the fabricated building structure system is further improved.
On the basis of the embodiment, the cast-in-place gap, the column cavity, the beam cavity and the cast-in-place layer can be respectively cast with concrete in situ. Optionally, the assembled building structure system is sequentially poured from top to bottom, the construction is ordered, construction operation points are reduced, the construction is convenient, and the efficiency is high. And the pouring points are reduced, and excessive holes are avoided, so that the integrity and the strength of the building are ensured.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Furthermore, those skilled in the art will appreciate that while some of the embodiments described above include some features but not others included in other embodiments, combinations of features of different embodiments are meant to be within the scope of the present application and form different embodiments. Any of the claimed embodiments may be used in any combination. Furthermore, the information disclosed in this background section is only for enhancement of understanding of the general background of the application and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Claims (9)
1. A fabricated building structural system, comprising: the prefabricated column, the prefabricated beam, the prestressed structure, the connecting steel bar and the foundation are arranged independently;
a column cavity is formed in the precast column, a beam cavity is formed in the precast beam, the prestress structure is arranged in the beam cavity, the end part of the precast beam is lapped at the end part of the precast column, one end of the connecting steel bar is connected with the precast column, the other end of the connecting steel bar is at least partially positioned in the beam cavity, and cast-in-situ concrete layers are filled in the column cavity and the beam cavity;
a cast-in-situ gap is arranged between the lower end of the precast column and the foundation, an opening at the lower end of the precast column is arranged so that the column cavity is communicated with the cast-in-situ gap, and the cast-in-situ concrete layer is arranged at the cast-in-situ gap.
2. The fabricated building structure system of claim 1, further comprising a precast floor slab, the precast floor slab comprising a floor slab body and a floor slab cast-in-situ layer, the floor slab body overlapping the precast beam, the floor slab cast-in-situ layer in communication with the beam cavity, the floor slab cast-in-situ layer being provided with the cast-in-situ concrete layer.
3. The fabricated building structure system of claim 1, wherein the prefabricated column comprises a column housing and longitudinal force-bearing rebar disposed within the column housing, and the longitudinal force-bearing rebar extends out of a lower end of the column housing and connects with the foundation.
4. A fabricated building structure according to claim 3, wherein the foundation comprises a foundation body and foundation bars protruding from the foundation body, and the lower ends of the longitudinal stress bars are connected with the foundation bars through mechanical sleeves.
5. The fabricated building structure system according to claim 1, wherein the prefabricated beams comprise beam shells which are all sealed around, the beam cavities are formed in the beam shells, and grouting holes are formed in top plates of the beam shells.
6. The construction method of the assembled building structure system is characterized by comprising the following steps of:
prefabricating the prefabrication column, forming a column cavity in the prefabrication column,
prefabricating a prefabricated beam, wherein a beam cavity is formed in the prefabricated beam, and a prestress structure is arranged in the beam cavity;
the end part of the precast beam is lapped on the top end of the precast column, one end of the precast column is connected with the precast column by adopting a connecting steel bar, and the other end of the precast beam is at least partially positioned in the beam cavity;
and casting concrete into the column cavity and the beam cavity in situ.
7. The method of constructing a fabricated building structure system according to claim 6, wherein concrete is poured in situ into the column cavities and beam cavities; in particular to the preparation method of the composite material,
firstly, casting concrete into the column cavity in situ;
and after the cast-in-place concrete in the column cavity is hardened to a certain degree, casting the concrete into the beam cavity in situ.
8. The method of constructing a fabricated building structure system according to claim 6, wherein,
the precast column and the precast beam are transported to a construction site for hoisting, the end part of the precast beam is lapped at the top end of the precast column, and the method further comprises the steps of,
and overlapping the precast floor slabs on the precast beams.
9. The method of constructing a fabricated building structure system according to claim 6, wherein transporting the precast column and the precast beam to a construction site for hoisting such that an end of the precast beam is overlapped before a top end of the precast column further comprises,
the prefabricated column is connected with the foundation, and a cast-in-situ gap is arranged between the prefabricated column and the foundation.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910656280 | 2019-07-19 | ||
| CN2019106562804 | 2019-07-19 | ||
| CN201921150405 | 2019-07-19 | ||
| CN2019211504058 | 2019-07-19 |
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| Publication Number | Publication Date |
|---|---|
| CN110616803A CN110616803A (en) | 2019-12-27 |
| CN110616803B true CN110616803B (en) | 2024-03-19 |
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| CN201910922141.1A Active CN110616803B (en) | 2019-07-19 | 2019-09-27 | Assembled building structure system and construction method |
| CN201921640369.3U Active CN210767210U (en) | 2019-07-19 | 2019-09-27 | Fabricated building structure system |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921640369.3U Active CN210767210U (en) | 2019-07-19 | 2019-09-27 | Fabricated building structure system |
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| CN110616803B (en) * | 2019-07-19 | 2024-03-19 | 三一筑工科技股份有限公司 | Assembled building structure system and construction method |
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| CN103758207A (en) * | 2013-07-05 | 2014-04-30 | 南京工程学院 | Semi-prefabricated semi-cast-in-place type frame structure of integrated building and construction method thereof |
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| CN108343148A (en) * | 2018-02-09 | 2018-07-31 | 湖南城建职业技术学院 | A kind of frame structure system and its construction method |
| CN109098278A (en) * | 2018-09-28 | 2018-12-28 | 福州大学 | The connecting structure and construction method of prefabricated beam column |
| CN210767210U (en) * | 2019-07-19 | 2020-06-16 | 三一筑工科技有限公司 | Fabricated building structure system |
-
2019
- 2019-09-27 CN CN201910922141.1A patent/CN110616803B/en active Active
- 2019-09-27 CN CN201921640369.3U patent/CN210767210U/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758207A (en) * | 2013-07-05 | 2014-04-30 | 南京工程学院 | Semi-prefabricated semi-cast-in-place type frame structure of integrated building and construction method thereof |
| CN106088316A (en) * | 2016-08-12 | 2016-11-09 | 长沙远大住宅工业集团股份有限公司 | A kind of overlapping assembled integral basement of hollow building cover post and lintel system |
| CN108343148A (en) * | 2018-02-09 | 2018-07-31 | 湖南城建职业技术学院 | A kind of frame structure system and its construction method |
| CN109098278A (en) * | 2018-09-28 | 2018-12-28 | 福州大学 | The connecting structure and construction method of prefabricated beam column |
| CN210767210U (en) * | 2019-07-19 | 2020-06-16 | 三一筑工科技有限公司 | Fabricated building structure system |
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| CN110616803A (en) | 2019-12-27 |
| CN210767210U (en) | 2020-06-16 |
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