CN210767210U - Fabricated building structure system - Google Patents
Fabricated building structure system Download PDFInfo
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- CN210767210U CN210767210U CN201921640369.3U CN201921640369U CN210767210U CN 210767210 U CN210767210 U CN 210767210U CN 201921640369 U CN201921640369 U CN 201921640369U CN 210767210 U CN210767210 U CN 210767210U
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- column
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- building structure
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 38
- 239000010959 steel Substances 0.000 claims abstract description 38
- 230000002787 reinforcement Effects 0.000 claims abstract description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000011065 in-situ storage Methods 0.000 abstract description 19
- 238000010276 construction Methods 0.000 description 8
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 5
- 238000005452 bending Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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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
Abstract
The utility model relates to a building technical field, in particular to assembly type building structure system. 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 utility model relates to a building technical field, in particular to assembly type building structure system.
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.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an assembly type structure system to solve the technical problem that the intensity of the assembly type structure system among the prior art is low.
The utility model provides an assembly type building structure system, include: 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.
Furthermore, a bottom plate of the beam shell is provided with a circulation hole, and the circulation hole is communicated with the column cavity.
Furthermore, the prestressed structure is a post-tensioned prestressed structure, and comprises a corrugated pipe and a tensioned steel bar penetrating through the corrugated pipe; the corrugated pipe and the tensioning steel bar extend along the length direction of the beam shell;
the corrugated pipe is arranged in the beam shell, and two ends of the tensioning steel bar penetrate through two ends of the beam shell.
Furthermore, one end of the tensioning steel bar is fixed, and the other end of the tensioning steel bar is used for tensioning.
Furthermore, both ends of the tensioning steel bar are used for tensioning.
The utility model provides an assembly type building structure system, include: 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.
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 form a part hereof, 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 without undue limitation. In the drawings:
fig. 1 is a schematic structural diagram of a prefabricated building structure system according to 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, in the present invention, 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 accompanying drawings in conjunction with embodiments.
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 including: 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; when the prestressed structure is a post-tensioned prestressed structure, 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 prestressed structure can enable the precast beam to have prestress, the strength of the beam is improved, and the middle part of the beam is prevented from being bent, so that the strength of the fabricated building structure system is further improved.
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, 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 above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made 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. The fabricated building structure system of claim 6, wherein said beam shell floor has flow holes therein, said flow holes communicating with said column cavities.
8. The fabricated building structure system of claim 6, wherein the prestressed structure is a post-tensioned prestressed structure, the prestressed structure including corrugated pipes and tensioned reinforcing bars inserted into the corrugated pipes; the corrugated pipe and the tensioning steel bar extend along the length direction of the beam shell;
the corrugated pipe is arranged in the beam shell, and two ends of the tensioning steel bar penetrate through two ends of the beam shell.
9. A fabricated building structure system according to claim 8, wherein one end of the tension bar is fixed and the other end is used for tension.
10. The fabricated building structural system of claim 8, wherein both ends of the tension rebar are used for tension.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921150405 | 2019-07-19 | ||
| CN2019211504058 | 2019-07-19 | ||
| CN2019106562804 | 2019-07-19 | ||
| CN201910656280 | 2019-07-19 |
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| Publication Number | Publication Date |
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| CN210767210U true CN210767210U (en) | 2020-06-16 |
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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 |
| CN201910922141.1A Active CN110616803B (en) | 2019-07-19 | 2019-09-27 | Assembled building structure system and construction method |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910922141.1A Active CN110616803B (en) | 2019-07-19 | 2019-09-27 | Assembled building structure system and construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110616803A (en) * | 2019-07-19 | 2019-12-27 | 三一筑工科技有限公司 | Fabricated building structure system and construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758207B (en) * | 2013-07-05 | 2017-04-12 | 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 |
| CN108343148B (en) * | 2018-02-09 | 2019-07-05 | 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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2019
- 2019-09-27 CN CN201921640369.3U patent/CN210767210U/en active Active
- 2019-09-27 CN CN201910922141.1A patent/CN110616803B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110616803A (en) * | 2019-07-19 | 2019-12-27 | 三一筑工科技有限公司 | Fabricated building structure system and construction method |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110616803A (en) | 2019-12-27 |
| CN110616803B (en) | 2024-03-19 |
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Address after: 102200 1st floor, building 6, No.8 Beiqing Road, Huilongguan town, Changping District, Beijing Patentee after: Sany Construction Technology Co.,Ltd. Address before: 410000 Sany industrial city, Sany Road, Changsha Economic and Technological Development Zone, Hunan Province Patentee before: SANY CONSTRUCTION TECHNOLOGY Co.,Ltd. |
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