CN210767205U - Fabricated building - Google Patents
Fabricated building Download PDFInfo
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- CN210767205U CN210767205U CN201921649134.0U CN201921649134U CN210767205U CN 210767205 U CN210767205 U CN 210767205U CN 201921649134 U CN201921649134 U CN 201921649134U CN 210767205 U CN210767205 U CN 210767205U
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Abstract
The utility model relates to a building engineering technical field particularly, relates to an assembly type structure. An assembly type building comprises a precast concrete hollow column member and a central column which is poured and formed inside a hollow column, wherein the precast concrete hollow column and the central column jointly form a superposed column; the pre-tensioned pre-stressed frame beam and the SP plate are arranged on the superposed column; the frame beam is connected with the superposed columns, and the SP plate is arranged on the frame beam as a floor slab. The construction and installation speed is high, the assembly and standardization building industrialization development trend is met, and the economic benefit is outstanding.
Description
Technical Field
The utility model relates to a building engineering technical field particularly, relates to an assembly type structure.
Background
At present along with more and more assembled building in the country ground pulls out, traditional cast-in-place structure is replaced by more and more assembled structure gradually, and novel assembled structure system is all flowers at present all around, and vertical bearing structure designs for prefabricated wall, prefabricated post adopt grout sleeve connection and horizontal construction to adopt prefabricated superposed beams and the assembled structure system that the superposed floor constitutes to tend to ripe already, but the construction of grout sleeve site operation is inconvenient, and efficiency is not high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an assembled building, for example, it is not only that construction installation rate is fast, accords with the building industrialization development trend of assemblization, standardization moreover, and economic benefits is outstanding.
The embodiment of the utility model discloses a can realize like this:
in a first aspect, an embodiment of the present invention provides an assembly type building, include:
the method comprises the following steps that a precast concrete hollow column component and a central column which is poured and formed inside a hollow column are adopted, and the precast concrete hollow column and the central column form a superposed column together;
the pre-tensioned pre-stressed frame beam and the SP plate are arranged on the superposed column; the frame beam is connected with the superposed columns, and the SP plate is arranged on the frame beam as a floor slab.
In an alternative embodiment, the bottom longitudinal load-bearing bars of the hollow columns are releasably connected to the longitudinal bars of the concrete floor/slab.
In an alternative embodiment, a connecting sleeve is further included;
the bottom longitudinal stress steel bar of the hollow column is connected with the longitudinal bar of the concrete floor slab/bottom plate through the connecting sleeve.
In an optional embodiment, the method further comprises a sizing template;
the stereotyped template is arranged in the post-pouring area at the bottom of the hollow column.
In an alternative embodiment, concrete is poured in the cavity area of the hollow column from the position of the sizing template, and the laminated layer in the cavity area is poured with concrete to form the laminated column stress member.
In an optional embodiment, the frame beam is a prefabricated member, a key groove is arranged at the end part of the frame beam, and a U-shaped steel bar is placed in the key groove;
the U-shaped reinforcing steel bars and the longitudinal stressed reinforcing steel bars of the hollow columns are overlapped through post-cast concrete.
In an alternative embodiment, key slot walls are provided at the key slots of the frame beams.
In an optional implementation mode, no key groove wall is reserved at the key groove of the frame beam, a template is arranged at the key groove position during field construction, and concrete forming the key groove is poured after the stirrup and the U-shaped steel bar at the key groove position are installed.
In an alternative embodiment, the SP plate is connected to the beam by additional steel reinforcement and by casting.
In a second aspect, an embodiment of the present invention provides a construction method, including the following steps:
arranging the hollow column on a concrete floor slab/bottom plate, and pouring concrete into the hollow column cavity area to form a superposed column;
arranging a frame beam with pre-tensioned prestressing force on the superposed column;
the SP sheets are arranged on the frame beams to obtain the fabricated building as described above.
The utility model discloses beneficial effect includes, for example:
(1) the vertical bearing structure of the assembled concrete superposed column, the pre-tensioned prestressed frame beam and the SP plate mixed structure system adopts an assembled concrete superposed column member, the horizontal structure adopts the pre-tensioned prestressed frame beam and the SP plate, and the mixed structure system is safe and reliable in whole, high in assembly rate and in line with the industrialized development trend of assembled and standardized buildings.
(2) The longitudinal stress bars at the bottom of the prefabricated concrete hollow column in the mixed structure system are mechanically connected, so that the whole component is light in weight, the using amount of the template is reduced by 90%, and the hoisting construction is convenient; and the field constructors are reduced. Concrete is poured in the hollow column cavity area to form a superposed column stressed member, and the assembled building industrialized development trend is met.
(3) The frame beam in the mixed structure system adopts a pre-tensioning method to pre-stress the frame beam, so that the anti-cracking performance of the reinforced concrete member is improved, and the early crack of the reinforced concrete member is avoided.
(4) The floor slab of the mixed structure system adopts the SP board, and the SP board has the characteristics of high bearing capacity, large span, good integrity, good shock resistance, good flame retardance and heat insulation and the like.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a first structural diagram of the present embodiment;
FIG. 2 is a second structural diagram of the present embodiment;
FIG. 3 is a third structural diagram of the present embodiment;
FIG. 4 is a fourth schematic structural diagram of the present embodiment;
FIG. 5 is a fifth structural diagram of the present embodiment;
FIG. 6 is a sixth schematic view of the present embodiment;
FIG. 7 is a seventh structural diagram of the present embodiment;
fig. 8 is an eighth structural schematic diagram of the present embodiment.
Icon: 1-a connecting sleeve; 2-bottom longitudinal stress steel bar; 3-a mould shell; 4-stirrup net sheets; 5-reserving longitudinal stress connecting steel bars; 6-keyway length; 7-a frame beam; 8, extending and bending steel strands in the frame beam; 9-U-shaped steel bars; 10-a lamination layer; 11-concrete floor/slab; 21-frame beam concrete; 22-frame beam stirrups; 23-longitudinal stress ribs of the frame beam; 24-tensioning the steel strand by the frame beam; 25-frame beam joint bar soil; 26-ring beam stirrups; 27-ring beam main reinforcement; 28-ring beam concrete; 29-SP plate stress direction; 210-SP board; 211-additional rebar; 212-concrete grouting material; 213-post-casting the structural layer; 214-bedding layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience of description and simplification, but the indication or suggestion that the indicated device or element must have a specific position, be constructed and operated in a specific orientation, and thus, should not be interpreted as a limitation of the present invention.
Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
Referring to fig. 1 to 8, the present embodiment provides an assembly type building, which includes a laminated column, a pre-tensioned prestressed frame girder 7, and an SP plate 210.
The method comprises the following steps that a precast concrete hollow column component and a central column which is poured and formed inside a hollow column are adopted, and the precast concrete hollow column and the central column form a superposed column together;
the pre-tensioned prestressed frame beam 7 and the SP plate 210 are arranged on the superposed column; the frame beam 7 is connected to the superposed columns, and the SP plates 210 are provided as floor slabs on the frame beam 7.
The vertical bearing structure in the system adopts a precast concrete hollow column member, the member is light in weight and high in installation efficiency, the template amount of a frame column on a construction site is greatly reduced, and concrete is poured in a hollow column cavity area to form a superposed column; the horizontal structure adopts the pre-tensioned prestressed frame beam 7 and the SP plate 210, the pre-tensioned prestressed beam is used for improving the crack resistance of the reinforced concrete member and avoiding the premature crack of the reinforced concrete member, and the SP plate 210 has the characteristics of high bearing capacity, large span, good integrity, good shock resistance, good flame retardance and heat insulation and the like.
Fig. 1-4 are structural diagrams illustrating connection of the reinforcing steel bars of the frame beam 7 and the superposed column before pouring. Specifically, fig. 1 is a diagram of a reinforcing bar connection structure at an intermediate layer edge node in an assembly type building, fig. 2 is a diagram of a reinforcing bar connection structure at an intermediate position in an assembly type building, fig. 3 is a diagram of a reinforcing bar connection structure at a top layer edge node in an assembly type building, and fig. 4 is a diagram of a reinforcing bar connection structure at a top layer edge intermediate node in an assembly type building.
Fig. 5 and 6 are connection plan views before concrete is cast at the intersection of the frame beam 7 and the superposed column. Specifically, fig. 5 shows a case where the key groove arm is provided at the intermediate node position, and fig. 6 shows a case where the key groove arm is not provided at the intermediate node position.
Fig. 7 and 8 are connection configuration diagrams of the frame beam 7 and the SP plate 210. Specifically, fig. 7 is a schematic diagram of an edge node, and fig. 8 is a schematic diagram of an intermediate node.
Please continue to refer to fig. 1 to 8 for further structural details.
In an alternative embodiment, the bottom longitudinal load bar 2 of the hollow column is removably attached to the longitudinal ribs of the slab of concrete floor/floor 11.
In an alternative embodiment, a connection sleeve 1 is also included; the bottom of the hollow column is longitudinally stressed with a steel bar 2 which is connected with the longitudinal bar of the concrete floor slab/bottom plate 11 plate through a connecting sleeve 1.
In an optional embodiment, the method further comprises a sizing template; the stereotyped template is arranged in the post-pouring area at the bottom of the hollow column.
In an alternative embodiment, concrete is poured in the cavity area of the hollow column from the position of the shaped template, and the laminated layer 10 in the cavity area is poured with concrete to form the laminated column stress member.
Furthermore, the superposed column adopts a concrete prefabricated hollow column, the hollow column is prefabricated in a PC factory, the bottom longitudinal stress steel bar 2 of the hollow column is firstly connected through a mechanical connecting sleeve 1 in a construction site, then a shaped template is installed in a post-pouring area at the bottom of the hollow column, and finally concrete is poured in a cavity superposed layer 10 to form a superposed frame column stress member.
In an alternative embodiment, the frame beam 7 is a prefabricated member, a key groove is arranged at the end part of the frame beam 7, and a U-shaped steel bar 9 is placed in the key groove; the U-shaped steel bar 9 and the longitudinal stressed steel bar of the hollow column are lapped through post-cast concrete.
Further, in this embodiment, the frame beam 7 is a pre-tensioned prestressed frame beam 7, the prestressed frame beam 7 is prefabricated in a PC factory, a key groove is formed in the end of the prefabricated beam, a U-shaped steel bar 9 is placed in the key groove, and the lower longitudinal stressed steel bar is lapped by post-pouring concrete. The length of the steel strand bent anchor in the key slot should meet the relevant standard requirements, and the anchoring length of the U-shaped steel bar 9 should meet the relevant regulations of the current national standard. LaE shows the earthquake-resistant anchoring length of the tension steel bar, and La shows the anchoring length of the tension steel bar.
In an alternative embodiment, key groove walls are provided at the key grooves of the frame beams 7.
In an optional embodiment, no key groove wall is reserved at the key groove of the frame beam 7, a template is arranged at the key groove position during field construction, and concrete for forming the key groove is poured after the stirrup and the U-shaped steel bar 9 at the key groove position are installed.
As can be seen from fig. 1 to 4, the hollow column includes a formwork 3, a bottom longitudinal stressed steel bar 2, a stirrup net sheet 4, a reserved longitudinal stressed connecting steel bar 5, and a longitudinal stressed steel bar mechanical anchor head.
The bottom longitudinal stress steel bar 2, the stirrup net piece 4, the reserved longitudinal stress connecting steel bar 5 and the longitudinal stress steel bar mechanical anchor head are all arranged in the direction of the through hole of the formwork 3, and the bottom longitudinal stress steel bar 2 is connected with the concrete floor slab/bottom plate 11 plate through the connecting sleeve 1.
The frame beam 7 is provided with a key slot, and a U-shaped steel bar 9 is arranged in the key slot. The U-shaped steel bars 9 and the steel strands 8 extending out of and bending from the frame beam and the reserved longitudinal stressed connecting steel bars 5 jointly enclose a preset area to be poured, and a superposed layer 10 is formed after concrete is poured in the preset area. The keyway length 6 of the keyway is shown.
The structure with and without keyway walls at the intermediate nodes can be seen in fig. 5 to 6.
Referring to fig. 7 and 8, in an alternative embodiment, the SP plate 210 is connected to the girder by additional reinforcing bars 211 through casting.
Specifically, as can be seen from the figure, the frame beam 7 here includes a frame beam hoop 22, a frame beam longitudinal stress bar 23, a frame beam tension steel strand 24 and a frame beam joint bar soil 25; the structures are enclosed together to form a steel bar framework, and then the steel bar framework is poured and formed through the framework beam concrete 21.
It can also be seen that the SP plate 210 is connected to at least the frame beam joint bar 25 by additional steel bars 211 and then formed by concrete grout 212. A post-pouring structural layer 213 is also arranged on the surface of the SP plate 210; a bedding layer 214 is provided at the connecting end portion of the frame beam 7 and the SP plate 210. The figure also shows the SP plate force direction 29.
Note that, compared with the connection at the intermediate node, the edge node is also provided with a ring beam stirrup 26, a ring beam main bar 27 and a ring beam concrete 28. The ring beam stirrups 26 and the ring beam main reinforcements 27 are connected with the additional reinforcements 211 and the frame beam joint reinforcement soil 25, and are cast and molded through ring beam concrete 28.
Further, the stress sequence of the fabricated concrete superposed column, the pre-tensioned prestressed frame beam 7 and the SP plate 210 mixed structure system is as follows: after the concrete is poured on all the superposed layers 10 of the mixed structure, firstly the SP plate 210 is transferred to the prestressed frame beam 7 which is firstly tensioned, secondly the prestressed frame beam 7 which is firstly tensioned is transferred to the superposed column, and finally the superposed column is transferred to the foundation.
The embodiment of the utility model provides an this embodiment still provides a construction method, and construction method includes following step:
arranging the hollow column on a concrete floor slab/bottom plate 11 slab, and pouring concrete into the hollow column cavity area to form a superposed column;
arranging a frame beam 7 with pre-tensioned prestressing on the superposed column;
the SP plates 210 are arranged on the frame beams 7 to obtain the fabricated building described above.
The utility model discloses beneficial effect includes, for example:
(1) the vertical bearing structure of the assembled concrete superposed column, the pre-tensioned prestressed frame beam 7 and the SP plate 210 mixed structure system adopts an assembled concrete superposed column member, the horizontal structure adopts the pre-tensioned prestressed frame beam 7 and the SP plate 210, and the mixed structure system is safe and reliable in whole, high in assembly rate and in line with the industrialized development trend of assembled and standardized buildings.
(2) The longitudinal stress bars at the bottom of the prefabricated concrete hollow column in the mixed structure system are mechanically connected, so that the whole component is light in weight, the using amount of the template is reduced by 90%, and the hoisting construction is convenient; and the field constructors are reduced. Concrete is poured in the hollow column cavity area to form a superposed column stressed member, and the assembled building industrialized development trend is met.
(3) The frame beam 7 in the mixed structure system adopts the pretensioning method to prestress the frame beam 7, thereby improving the crack resistance of the reinforced concrete member and avoiding the premature crack of the reinforced concrete member.
(4) The floor slab of the mixed structure system adopts the SP plate 210, and the SP plate 210 has the characteristics of high bearing capacity, large span, good integrity, good shock resistance, good flame retardance and heat insulation and the like.
The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. A fabricated building, comprising:
the prefabricated concrete hollow column and the central column are cast and formed inside the hollow column, and the prefabricated concrete hollow column and the central column jointly form a superposed column;
and the pre-tensioned pre-stressed frame beam is arranged on the superposed column, and the SP plate serving as a floor slab is arranged on the pre-tensioned pre-stressed frame beam.
2. The fabricated building of claim 1, wherein:
the bottom longitudinal stress steel bar of the hollow column is detachably connected with the longitudinal bar of the concrete floor slab/bottom plate.
3. The fabricated building of claim 1, wherein:
the connecting sleeve is also included;
and the bottom longitudinal stress steel bar of the hollow column is connected with the longitudinal bar of the concrete floor slab/bottom plate through the connecting sleeve.
4. The fabricated building of claim 1, wherein:
also comprises a stereotyped template;
the stereotyped template is arranged in the post-cast area at the bottom of the hollow column.
5. The fabricated building of claim 4, wherein:
and pouring concrete in the cavity area of the hollow column from the position of the sizing template, and forming a superposed column stressed member after the superposed layer in the cavity area is poured with the concrete.
6. A fabricated building according to any one of claims 1-5, wherein:
the frame beam is a prefabricated member, a key groove is formed in the end part of the frame beam, and a U-shaped steel bar is placed in the key groove;
and the U-shaped reinforcing steel bars and the longitudinal stressed reinforcing steel bars of the hollow columns are overlapped through post-cast concrete.
7. The fabricated building of claim 6, wherein:
and key groove walls are arranged at the key grooves of the frame beams.
8. The fabricated building of claim 6, wherein:
and a key groove wall is not reserved at the key groove of the frame beam, and concrete at the key groove part is poured behind the stirrup and the U-shaped steel bar to form the key groove.
9. A fabricated building according to any one of claims 1-5, wherein:
and the SP plate is connected with the beam through additional steel bars by pouring.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921150256 | 2019-07-19 | ||
| CN2019211502565 | 2019-07-19 |
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| Publication Number | Publication Date |
|---|---|
| CN210767205U true CN210767205U (en) | 2020-06-16 |
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| CN201921649134.0U Active CN210767205U (en) | 2019-07-19 | 2019-09-29 | Fabricated building |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110528686A (en) * | 2019-07-19 | 2019-12-03 | 三一筑工科技有限公司 | Assembled architecture and its construction method |
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- 2019-09-29 CN CN201921649134.0U patent/CN210767205U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110528686A (en) * | 2019-07-19 | 2019-12-03 | 三一筑工科技有限公司 | Assembled architecture and its construction method |
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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. |