CN110616803A - Fabricated building structure system and construction method - Google Patents
Fabricated building structure system and construction method Download PDFInfo
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- CN110616803A CN110616803A CN201910922141.1A CN201910922141A CN110616803A CN 110616803 A CN110616803 A CN 110616803A CN 201910922141 A CN201910922141 A CN 201910922141A CN 110616803 A CN110616803 A CN 110616803A
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- 238000010276 construction Methods 0.000 title claims abstract description 31
- 238000011065 in-situ storage Methods 0.000 claims abstract description 48
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 33
- 239000010959 steel Substances 0.000 claims abstract description 33
- 230000002787 reinforcement Effects 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 5
- 238000005452 bending Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000005266 casting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction 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 assembly type building structure system and a construction method. The fabricated building structure system comprises: the prefabricated columns, the prefabricated beams, the prestressed structures and the connecting steel bars are arranged independently; be equipped with the post cavity in the prefabricated post, be equipped with the roof beam cavity in the prefabricated roof beam, prestressing force structure sets up in the roof beam cavity, and the tip overlap joint of prefabricated roof beam is at the tip of prefabricated post, and the one end and the prefabricated post of connecting reinforcement are connected, and the other end is partly located the roof beam cavity at least, and post cavity and roof beam cavity are interior all to be filled with cast-in-place concrete layer. Concrete is poured in the column cavity and the beam cavity in situ, so that a formed column and a formed beam are formed, the formed column, the formed beam and a connecting node between the column and the beam are all equivalent to pouring in situ, and the whole structural strength is higher. And the prestress structure enables the forming beam to have certain prestress, so that the strength of the forming beam is high, and the strength of the assembly type building structure system is further improved.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to an assembly type building structure system and a construction method.
Background
In the related art, an assembly type building structure system includes a plurality of prefabricated columns and a plurality of prefabricated prestressed girders. The prefabricated column and the prefabricated prestressed beam are poured 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 column and the prefabricated prestressed beam are transported to a construction site to be assembled with other prefabricated components. Such fabricated building structure systems have low strength.
Disclosure of Invention
The invention aims to provide an assembly type building structure system and a construction method, and aims to solve the technical problem that the assembly type building structure system in the prior art is low in strength.
The present invention provides a fabricated building structure system comprising: the prefabricated columns, the prefabricated beams, the prestressed structures and the connecting steel bars are arranged independently;
the prefabricated column is internally provided with a column cavity, the prefabricated beam is internally provided with a beam cavity, the prestressed structure is arranged in the beam cavity, the end part of the prefabricated beam is lapped on the end part of the prefabricated column, one end of the connecting steel bar is connected with the prefabricated column, the other end of the connecting steel bar is at least partially positioned in the beam cavity, and cast-in-place concrete layers are filled in the column cavity and the beam cavity.
Furthermore, the fabricated building structure system further comprises a prefabricated floor slab, 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, 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.
Furthermore, the assembly type building structure system further comprises a foundation, a cast-in-place gap is formed between the lower end of the prefabricated column and the foundation, an opening in the lower end of the prefabricated column is formed so that the column cavity is communicated with the cast-in-place gap, and the cast-in-place concrete layer is arranged at the cast-in-place gap.
Furthermore, the prefabricated column comprises a column shell and longitudinal stressed steel bars arranged in the column shell, and the longitudinal stressed steel bars extend out of the lower end of the column shell and are connected with the foundation.
Further, the basis includes the basis body and the protrusion the basis reinforcing bar that the basis body set up, the lower extreme of vertical atress reinforcing bar with the basis reinforcing bar passes through mechanical muffjoint.
Further, the precast beam comprises a beam shell which is hermetically arranged on the periphery, a beam cavity is formed in the beam shell, and a grouting hole is formed in a top plate of the beam shell.
The invention provides a construction method of an assembly type building structure system, which comprises the following steps:
prefabricating the prefabricated column, forming a column cavity in the prefabricated column,
prefabricating a precast beam, wherein a beam cavity is arranged in the precast beam, and a prestressed structure is arranged in the beam cavity;
enabling the end part of the precast beam to be lapped on the top end of the precast column, connecting one end of a connecting steel bar with the precast column, and enabling the other end to be at least partially positioned in the beam cavity;
and concrete is poured into the column cavity and the beam cavity in situ.
Further, concrete is poured into the column cavity and the beam cavity in situ; specifically, the method comprises the following steps of,
firstly, pouring concrete into the column cavity in situ;
and after the in-situ concrete in the column cavity is hardened to a certain degree, the concrete is in-situ poured into the beam cavity.
Further, the step of transporting the precast column and the precast beam to a construction site for hoisting so that the end part of the precast beam is lapped behind the top end of the precast column further comprises the step of,
and overlapping the precast floor slabs on the precast beams.
Further, the step of transporting the precast column and the precast beam to a construction site for hoisting so that the end part of the precast beam is lapped before the top end of the precast column further comprises the step of,
and connecting the prefabricated column with the foundation, and arranging a cast-in-situ gap between the prefabricated column and the foundation.
The invention provides an assembly type building structure system and a construction method, comprising the following steps: the prefabricated columns, the prefabricated beams and the prestressed structures are arranged independently; be equipped with the post cavity in the precast column, be equipped with the roof beam cavity in the precast beam, prestressing force structure sets up in the roof beam cavity, and it has cast in situ concrete layer all to fill in post cavity and the roof beam cavity.
Respectively prefabricating a prefabricated column and a prefabricated beam in a factory, forming a column cavity in the prefabricated column, forming a beam cavity in the prefabricated beam, and arranging a prestressed structure in the beam cavity; transporting the precast column and the precast beam to a construction site for hoisting, enabling the end part of the precast beam to be lapped on the top end of the precast column, connecting one end of a connecting steel bar with the precast column, and at least partially positioning the other end of the connecting steel bar in a beam cavity; concrete is poured in the column cavity and the beam cavity in situ, so that a formed column and a formed beam are formed, the formed column, the formed beam and a connecting node between the column and the beam are all equivalent to pouring in situ, and the whole structural strength is higher. And the prestress structure enables the forming beam to have certain prestress, so that the strength of the forming beam is high, and the strength of the assembly type building structure system is further improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of a fabricated building structure system provided by an embodiment of the present invention;
fig. 2 is a schematic structural view of the prefabricated building structure system shown in fig. 1.
In the figure: 10-prefabricating a column; 20-prefabricating a beam; 30-a pre-stressed structure; 40-connecting reinforcing steel bars; 50-base; 60-a mechanical sleeve; 11-a column housing; 12-a column cavity; 13-longitudinal stressed steel bars; 21-beam shell; 22-beam cavity; 31-a bellows; 32-tensioning the steel bars; 51-a base ontology; 52-basic rebar.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The precast beam, the precast column and the precast floor slab which are cast in situ respectively form a forming beam, a forming column and a forming floor slab.
As shown in fig. 1 and 2, the present invention provides a fabricated building structure system comprising: the prefabricated column 10, the prefabricated beam 20, the prestressed structure 30 (preferably using a post-tensioned prestressed structure, convenient construction and reliability) and the connecting steel bar 40 which are arranged independently; be equipped with post cavity 12 in the precast column 10, be equipped with beam cavity 22 in the precast beam 20, prestressing force structure 30 sets up in beam cavity 22, and the tip overlap joint of precast beam 20 is at the tip of precast column 10, and the one end of connecting reinforcement 40 is connected with precast column 10, and the other end is located beam cavity 22 at least partially, all fills in post cavity 12 and the beam cavity 22 and has cast in situ concrete layer.
In the embodiment, the precast column 10 and the precast beam 20 are respectively precast in a factory, and a column cavity 12 is formed in the precast column 10, a beam cavity 22 is formed in the precast beam 20, and a prestressed structure 30 is arranged in the beam cavity 22; the precast column 10 and the precast beam 20 are transported to a construction site to be hoisted, so that the end part of the precast beam 20 is lapped on the top end of the precast column 10, one end of a connecting steel bar 40 is connected with the precast column 10, and the other end is at least partially positioned in the beam cavity 22; casting concrete in situ into the column cavity 12 and the beam cavity 22; after the cast-in-place concrete in the beam cavity 22 is hardened to a certain degree, the prestressed structure 30 is tensioned until the cast-in-place concrete in the beam cavity 22 is completely hardened, so that the forming of the column, the forming of the beam and the connection between the column and the beam are completed.
The precast columns 10 and the precast beams 20 are respectively precast and formed and are arranged in a hollow mode, so that the transportation is convenient, and the transportation cost is reduced; the precast beam 20 is lapped on the precast column 10 in a construction site, and then cast in situ, so that the assembly is convenient and the efficiency is high; the forming columns, the forming beams and the connecting nodes between the forming columns and the forming beams are equivalent to cast-in-place, so that the strength is high and the comprehensive performance is good; and the pre-stressed structure 30 can make the precast beam 20 have post-tensioned pre-stress, improve the strength of the beam, and avoid the middle bending of the beam, thereby further improving the strength of the fabricated building structure system.
In addition, the pre-stressed structure can enable the precast beam to have post-tensioned prestressing, improve the strength of the beam and avoid the bending of the middle part of the beam, thereby further improving the strength of the fabricated building structure system.
In particular embodiments, the column cavity 12 and the beam cavity 22 may be cast in place, respectively.
Optionally, concrete is poured in situ into the column cavity 12 and the beam cavity 22 from top to bottom in sequence, so that construction is facilitated.
The beam cavity 22 may be cast after the post cavity 12 is cast.
Optionally, concrete is poured into the column cavity 12 in situ; after the in-situ concrete in the column cavity 12 has hardened to a certain extent, the concrete is then in-situ poured into the beam cavity 22. In this embodiment, the influence of the cast-in-place concrete in the column cavity 12 on the post-tensioned prestressing of the precast girders 20 can be avoided.
In the embodiment, one end of the connecting reinforcement 40 may be embedded in the prefabricated column 10 in advance.
In the specific scheme of the above embodiment, the prefabricated column 10 includes a column housing 11 and a longitudinal force-bearing 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 force-bearing steel bar 13, and may be welded, tied 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 prefabricated beam can be conveniently connected with the upper-layer prefabricated column by extending out of the prefabricated beam.
On the basis of the embodiment, the fabricated building structure system further comprises a prefabricated floor slab, the prefabricated floor slab comprises a floor slab body and a floor slab cast-in-place layer, the floor slab body is lapped on the prefabricated beam 20, the floor slab cast-in-place layer is communicated with the beam cavity 22, and the floor slab cast-in-place layer is provided with a cast-in-place concrete layer.
In the specific scheme of the above embodiment, the cast-in-place layer of the prefabricated floor slab, the beam cavity 22 of the prefabricated beam 20 and the beam cavity 22 of the prefabricated column 10 are all cast in situ with concrete, and the formed floor slab, the formed beam, the formed column and the mutual connection node therebetween are all equivalent to cast in situ, so that the strength of the fabricated building structure system can be further improved.
As shown in fig. 1, on the basis of the above embodiment, further, the fabricated building structure system further includes a foundation 50 for being installed at a construction site, a cast-in-place gap is provided between the lower end of the prefabricated column 10 and the foundation 50, an opening at the lower end of the prefabricated column 10 is provided to communicate the column cavity 12 with the cast-in-place gap, and a cast-in-place concrete layer is provided 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 all correspond to cast-in-place, and the strength of the fabricated building structure system is further improved.
In the concrete scheme of the above-mentioned embodiment, the longitudinal force-bearing reinforcing steel bars 13 extend out of the lower end of the column shell 11 to a preset distance, the foundation comprises a foundation body 51 and foundation reinforcing steel bars 52 protruding out of the foundation body, and the lower ends of the longitudinal force-bearing reinforcing steel bars 13 are connected with the foundation reinforcing steel bars 52. In this embodiment, the lower end of the longitudinal stressed steel bar 13 extending out of the column shell 11 is located at the cast-in-place 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 can be further improved.
The longitudinal stressed steel bars 13 and the foundation steel bars 52 can be connected by welding or binding, and optionally, the longitudinal stressed steel bars and the foundation steel bars can be connected by a mechanical sleeve 60 (namely, a steel bar connecting sleeve belongs to mechanical connection in a steel bar connecting mode and is suitable for connection between large-diameter steel bars.
As shown in fig. 1, based on the above embodiment, further, the precast beam 20 includes a beam shell 21 hermetically disposed around the beam shell, and a beam cavity 22 is formed in the beam shell 21.
When concrete is cast in situ in the beam cavity 22, a grouting hole may be formed in a side portion of the beam housing 21.
Optionally, the roof of the beam shell 21 is provided with grouting holes, which enables the cast-in-place concrete to sufficiently fill the beam cavity 22, avoiding underfilling.
In addition to the above embodiments, the bottom plate of the beam housing 21 is further provided with a flow hole, and the flow hole is communicated with the column cavity 12.
In this embodiment, the column cavity 12 communicates with the cast-in-place gap, and the column cavity 12 communicates with the beam cavity 22, then pour concrete through the grouting hole on the beam shell 21, and cast-in-place concrete accessible runner hole, column cavity 12 fill the cast-in-place gap earlier, then fill column cavity 12 and beam cavity 22 from bottom to top, can avoid setting up the grouting hole on other components and pour, convenient construction.
Specifically, as shown in fig. 2, the prestressed structure 30 is a post-tensioned prestressed structure 30, and the prestressed structure 30 includes a corrugated pipe 31 and a tensioned steel bar 32 inserted into the corrugated pipe 31; the bellows 31 and the tension bars 32 both extend in the length direction of the beam shell 21; the bellows 31 is disposed in the beam housing 21, and both ends of the tension bar 32 pass through both ends of the beam housing 21. Wherein, one end of the tension bar 32 can be fixed, and the other end is used for tension. It is also possible to stretch both ends of the rebar 32 for tensioning.
The number of the prestressed structures 30 may be one, two, three, or more, and may be set according to the stress condition of a specific building.
The invention provides a construction method of an assembly type building structure system, which comprises the following steps:
prefabricating the prefabricated column in a factory, and forming a column cavity in the prefabricated column;
prefabricating a precast beam in a factory, wherein a beam cavity is arranged in the precast beam, and a prestressed structure is arranged in the beam cavity;
transporting the precast column and the precast beam to a construction site for hoisting, enabling the end part of the precast beam to be lapped on the top end of the precast column, and connecting one end of a connecting steel bar with the precast column and at least partially positioning the other end of the connecting steel bar in a beam cavity;
then pouring concrete in the paired column cavity and the beam cavity in situ;
taking a post-tensioned prestressed structure as an example, when the cast-in-place concrete in the beam cavity is hardened to a certain degree, tensioning the prestressed structure until the cast-in-place concrete in the beam cavity is completely hardened.
In the embodiment, the prefabricated columns and the prefabricated beams are respectively prefabricated and formed and are both arranged in a hollow mode, so that the transportation is convenient, and the transportation cost is reduced; the prefabricated beam is lapped on the prefabricated column on the construction site, and then cast in situ, so that the assembly is convenient and the efficiency is high; the forming columns, the forming beams and the connecting nodes between the forming columns and the forming beams are equivalent to cast-in-place, so that the strength is high and the comprehensive performance is good; and the prestressed structure can enable the precast beam to have post-tensioning prestress, improve the strength of the beam and avoid the bending of the middle part of the beam, thereby further improving the strength of the fabricated building structure system.
Wherein, can carry out cast in situ respectively to post cavity and roof beam cavity.
Optionally, the prefabricated building structure system is sequentially cast in situ in the column cavity and the beam cavity from top to bottom, so that the operations are orderly and the construction is convenient.
The pouring of the beam cavity can be carried out after the pouring of the column cavity is finished.
Optionally, concrete is poured into the column cavity in situ; and after the in-situ concrete in the column cavity is hardened to a certain degree, the concrete is in-situ poured into the beam cavity. In the embodiment, the influence of cast-in-place concrete in the cavity of the column on the application of post-tensioning prestress on the precast beam can be avoided.
On the basis of the above embodiment, further, the precast column and the precast beam are transported to a construction site for hoisting, and after the end of the precast beam is lapped on the top end of the precast column, the following operation step is further included, in which a precast floor slab is lapped on the precast beam.
In this embodiment, during cast-in-place, concrete is cast in situ on the column cavity, the beam cavity, and the cast-in-place layer of the prefabricated floor slab, and concrete is cast in situ on the cast-in-place layer of the prefabricated floor slab, the beam cavity of the prefabricated beam, and the beam cavity of the prefabricated column, so that the formed floor slab, the formed beam, the formed column, and the mutual connection nodes therebetween are all equivalent to cast in situ, and the strength of the fabricated building structure system is further improved.
On the basis of the above embodiment, further, the step of transporting the precast column and the precast beam to a construction site for hoisting so that the end of the precast beam is lapped on the top end of the precast column further comprises,
and connecting the prefabricated column with the foundation, and arranging a cast-in-situ gap between the prefabricated column and the foundation.
In this embodiment, concrete is cast in situ on the cast-in-situ layer of the cast-in-situ gap, the column cavity, the beam cavity, and the prefabricated floor slab, so that the connection node between the foundation 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 all correspond 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, above-mentioned assembled building structure system pours from top to bottom in proper order, and the construction is orderly, reduces the construction operation point, and convenient construction is efficient. And reduce and irritate the watering point, avoid too much trompil to guarantee the integrality and the intensity of building.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Furthermore, those skilled in the art will appreciate that while some of the embodiments described above include some features included in other embodiments, rather than others, combinations of features of different embodiments are meant to be within the scope of the application and form different embodiments. Any of the claimed embodiments may be used in any combination. Additionally, 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 (10)
1. A fabricated building structure system, comprising: the prefabricated columns, the prefabricated beams, the prestressed structures and the connecting steel bars are arranged independently;
the prefabricated column is internally provided with a column cavity, the prefabricated beam is internally provided with a beam cavity, the prestressed structure is arranged in the beam cavity, the end part of the prefabricated beam is lapped on the end part of the prefabricated column, one end of the connecting steel bar is connected with the prefabricated column, the other end of the connecting steel bar is at least partially positioned in the beam cavity, and cast-in-place concrete layers are filled in the column cavity and the beam cavity.
2. The fabricated building structure system of claim 1, further comprising a precast floor slab, wherein the precast floor slab comprises a floor slab body and a floor slab cast-in-place layer, the floor slab body is lapped on the precast beam, the floor slab cast-in-place layer is communicated with the beam cavity, and the floor slab cast-in-place layer is provided with the cast-in-place concrete layer.
3. The fabricated building structure system of claim 1, further comprising a foundation, wherein a cast-in-place gap is formed between the lower end of the prefabricated column and the foundation, an opening at the lower end of the prefabricated column is formed to communicate the column cavity with the cast-in-place gap, and the cast-in-place concrete layer is arranged at the cast-in-place gap.
4. An assembled building structure system according to claim 3, wherein the prefabricated column comprises a column housing and longitudinal load-bearing rebars disposed within the column housing, the longitudinal load-bearing rebars extending beyond the lower end of the column housing and being connected to the foundation.
5. The fabricated building structure system of claim 4, wherein the foundation includes a foundation body and a foundation reinforcement disposed to protrude from the foundation body, and the lower end of the longitudinal force-bearing reinforcement is coupled to the foundation reinforcement by a mechanical sleeve.
6. An assembled building structure system according to claim 1, wherein the precast girders comprise girder shells hermetically arranged around the precast girders, the girder cavities are formed in the girder shells, and grouting holes are formed in top plates of the girder shells.
7. A method of constructing an assembled building structure system, comprising:
prefabricating the prefabricated column, forming a column cavity in the prefabricated column,
prefabricating a precast beam, wherein a beam cavity is arranged in the precast beam, and a prestressed structure is arranged in the beam cavity;
enabling the end part of the precast beam to be lapped on the top end of the precast column, connecting one end of a connecting steel bar with the precast column, and enabling the other end to be at least partially positioned in the beam cavity;
and concrete is poured into the column cavity and the beam cavity in situ.
8. The fabricated building structure system construction method of claim 7, wherein concrete is cast in situ into the column cavity and the beam cavity; specifically, the method comprises the following steps of,
firstly, pouring concrete into the column cavity in situ;
and after the in-situ concrete in the column cavity is hardened to a certain degree, the concrete is in-situ poured into the beam cavity.
9. The fabricated building structure system construction method of claim 7,
the precast column and the precast beam are transported to a construction site for hoisting, the end part of the precast beam is lapped on the top end of the precast column,
and overlapping the precast floor slabs on the precast beams.
10. The fabricated building structure system construction method of claim 7, wherein transporting the precast column and the precast beam to a construction site for hoisting such that the end of the precast beam overlaps before the top end of the precast column further comprises,
and connecting the prefabricated column with the foundation, and arranging a cast-in-situ gap 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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| CN110616803A true CN110616803A (en) | 2019-12-27 |
| CN110616803B 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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2019
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- 2019-09-27 CN CN201921640369.3U patent/CN210767210U/en active Active
Patent Citations (5)
| 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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| CN110616803B (en) | 2024-03-19 |
| CN210767210U (en) | 2020-06-16 |
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