CN212176059U - Assembled exempts from braced frame structure - Google Patents
Assembled exempts from braced frame structure Download PDFInfo
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- CN212176059U CN212176059U CN202020147594.XU CN202020147594U CN212176059U CN 212176059 U CN212176059 U CN 212176059U CN 202020147594 U CN202020147594 U CN 202020147594U CN 212176059 U CN212176059 U CN 212176059U
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Abstract
The utility model discloses a braced frame structure is exempted from to assembled, include: the prefabricated concrete columns, the prefabricated main concrete beams, the prefabricated secondary concrete beams and the prefabricated concrete plates are arranged on the prefabricated concrete columns; the side wall of the precast concrete column is provided with a plurality of steel brackets, and the precast concrete main beam is placed on the precast concrete column through the steel brackets; the side wall of each precast concrete main beam is provided with a first connecting piece, the end face of each precast concrete secondary beam is provided with a second connecting piece, and the first connecting pieces are connected with the second connecting pieces so that the precast concrete secondary beams are connected between two adjacent precast concrete main beams; and two ends of the precast concrete plate are respectively placed at the top ends of the precast concrete secondary beams. The utility model discloses a precast concrete girder directly installs the location through the steel bracket, and precast concrete owner, secondary beam pass through the connecting piece and realize connecting, have realized exempting from braced system, have saved engineering time and human cost.
Description
Technical Field
The utility model belongs to the technical field of the engineering and construction, concretely relates to braced frame structure is exempted from to assembled.
Background
The existing fabricated concrete frame structure mainly comprises a prefabricated column, a prefabricated main beam, a prefabricated secondary beam, a prefabricated composite slab, connecting members among the prefabricated column, the prefabricated main beam, the prefabricated secondary beam, the prefabricated composite slab and the connecting members among the prefabricated column, the prefabricated main beam, the prefabricated secondary beam and the prefabricated composite slab, wherein the connection between the column and the main beam and the connection between the main beam and the secondary beam at the joint are connected through reserved steel bars and then cast in situ; in the actual construction process, a temporary supporting system needs to be built under the precast slabs and the primary and secondary beams.
In the prior art, temporary scaffolding is generally used as a support system, which has the following disadvantages: 1. the erection of the temporary scaffold support system inevitably causes necessary support installation-removal process time, and the advantages of the fabricated concrete frame structure in the construction mode cannot be fully exerted; meanwhile, the existence of the temporary scaffold system can also influence the working surface of the next project, the construction of the next project cannot be carried out, and the construction period is obviously delayed; 2. for some buildings with higher floor heights, building a temporary scaffold system will waste a large amount of material and increase the risk of construction.
SUMMERY OF THE UTILITY MODEL
In order to overcome the technical defect, the utility model provides a braced frame structure is exempted from to assembled, its exempt from of realizing among the assembly type structure work progress supports, improves the construction speed greatly.
In order to solve the above problem, the utility model discloses realize according to following technical scheme:
a fabricated support-free frame structure comprising: the prefabricated concrete columns, the prefabricated main concrete beams, the prefabricated secondary concrete beams and the prefabricated concrete plates are arranged on the prefabricated concrete columns;
the side wall of the precast concrete column is provided with a plurality of steel brackets, and the precast concrete main beam is placed on the precast concrete column through the steel brackets;
the side wall of each precast concrete main beam is provided with a first connecting piece, the end face of each precast concrete secondary beam is provided with a second connecting piece, and the first connecting pieces are connected with the second connecting pieces so that the precast concrete secondary beams are connected between two adjacent precast concrete main beams;
and two ends of the precast concrete plate are respectively placed at the top ends of the precast concrete secondary beam and/or the precast concrete main beam.
As a further improvement of the utility model, precast concrete slab's bottom middle part is provided with a plurality of backup pad ribs, the length of backup pad rib is less than precast concrete slab's span.
As a further improvement, a plurality of reinforcing bars are evenly arranged in the ribs of the supporting plate and longitudinally distributed, and are stretched into the precast concrete slab.
As a further improvement, precast concrete board's board strides length and is 3 ~ 6m, and thickness is 70 ~ 100mm, the backup pad rib is provided with at least twice.
As a further improvement of the utility model,
the steel corbel includes: the steel plate comprises a vertical steel plate, a horizontal steel plate and a supporting component; the outer wall of vertical steel sheet hugs closely the lateral wall of precast concrete post, horizontal steel sheet with the top surface of vertical steel sheet is connected perpendicularly, just a side end face of horizontal steel sheet with the outer wall parallel and level of vertical steel sheet, the supporting component sets up on the horizontal steel sheet.
As a further improvement of the present invention, the support member includes: an adjusting mechanism and a supporting plate; the supporting plate is arranged on the adjusting mechanism, and the adjusting mechanism movably penetrates through the horizontal steel plate to adjust the position of the supporting plate.
As a further improvement of the present invention, the steel bracket further comprises: spacing steel sheet, fastening bolt, spacing steel sheet sets up perpendicularly one side of horizontal steel sheet, spacing steel sheet passes through fastening bolt fixes on the lateral wall of precast concrete girder.
As a further improvement of the present invention, the steel bracket further comprises: a fastening member; and the vertical steel plate is fixed on the side wall of the precast concrete column through the fastening part.
As a further improvement of the utility model, the first connecting piece the second connecting piece passes through bolted connection.
Compared with the prior art, the beneficial effects of the utility model are that: after the construction of the precast concrete column is finished, the precast concrete column is directly installed and positioned through the steel corbels, the precast concrete main beam and the precast concrete secondary beam are connected through the connecting piece, compared with a traditional connecting method, a notch and a steel bar are reserved through a lap joint, midspan support is arranged, a support-free system is achieved, meanwhile, the difficulty and the construction complexity of hoisting the main beam and the secondary beam in place are reduced, and the construction time and the labor cost are saved.
Drawings
The following detailed description of embodiments of the invention is provided with reference to the accompanying drawings, in which:
fig. 1 is a top view of the assembled support-free frame structure of the present invention;
fig. 2 is a schematic view of the connection state between the precast concrete column and the precast concrete girder of the present invention;
fig. 3 is a schematic view of a connection state between the precast concrete main beam and the precast concrete secondary beam of the present invention;
fig. 4 is a schematic view illustrating a connection state of the precast concrete secondary beam and the precast concrete slab according to the present invention;
fig. 5 is a schematic structural view of a precast concrete slab according to the present invention;
FIG. 6 is a front view of the steel corbel of the present invention;
fig. 7 is a side view of the steel corbel of the present invention.
Description of the labeling: 1-prefabricating a concrete column; 11-steel corbels; 111-vertical steel plates; 1111-a third threaded opening; 112-horizontal steel plate; 1121 — a first threaded opening; 113-a support member; 1131 — an adjustment mechanism; 11311-screw; 11312-nut; 1132 — a pallet; 114-a limiting steel plate; 1141-second threaded opening; 115-fastening bolts; 116-a fastening member; 117-vertical ribs; 118-horizontal ribs;
2-prefabricating a concrete girder; 21-a first connector;
3, prefabricating a concrete secondary beam; 31-a second connector;
4-precast concrete slab; 41-supporting plate ribs; 42-steel bars; and 5-casting a concrete layer in situ.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example one
The embodiment discloses a fabricated support-free frame structure, as shown in fig. 1-4, a plurality of precast concrete columns 1, a plurality of precast concrete main beams 2, a plurality of precast concrete secondary beams 3, and a plurality of precast concrete slabs 4; the side wall of the precast concrete column 1 is provided with a plurality of steel corbels 11, and the precast concrete girder 2 is placed on the precast concrete column 1 through the steel corbels 11; the side wall of each precast concrete main beam 2 is provided with a first connecting piece 21, the end face of each precast concrete secondary beam 3 is provided with a second connecting piece 31, and the first connecting pieces 21 and the second connecting pieces 31 are connected so that the precast concrete secondary beams 3 are connected between every two adjacent precast concrete main beams 2; two ends of the precast concrete plate 4 are respectively placed at the top ends of the precast concrete secondary beam 3 and/or the precast concrete main beam 2, and a cast-in-place concrete layer 5 is arranged at the top end of the precast concrete secondary beam 3. The number and the positions of the steel corbels 11 can be determined according to an actual construction drawing, and the number and the positions of the first connecting pieces 21 and the second connecting pieces 31 can also be determined according to the actual construction drawing.
In the above embodiment, as shown in fig. 5, the middle of the bottom end of the concrete slab 4 is provided with a plurality of supporting plate ribs 41, the length of the supporting plate ribs 41 is smaller than the span of the concrete slab 4, the large-span concrete slab 4 can generate large deflection under construction load, and secondary deformation can be generated under use load, generally, temporary support needs to be performed on the large-span concrete slab 4 during construction, and after the supporting plate ribs 41 are provided in the embodiment, the effect of avoiding plate bottom support of the large-span concrete slab 4 can be realized, and secondary deformation of the concrete slab 4 can be avoided.
In the above embodiment, as shown in fig. 4, a plurality of reinforcing bars 42 are uniformly arranged in the supporting plate rib 41, and the plurality of reinforcing bars 42 are longitudinally distributed and extend into the interior of the precast concrete slab 4.
In the above embodiment, the precast concrete panel 4 has a span length of 3 to 6m and a thickness of 70 to 100mm, and at least two support ribs 41 are provided.
In the above embodiment, as shown in fig. 6, the steel bracket 11 includes: a vertical steel plate 111, a horizontal steel plate 112, a support part 113; the outer wall of the vertical steel plate 111 is tightly attached to the side wall of the concrete column 1, the horizontal steel plate 112 is vertically connected with the top surface of the vertical steel plate 111, one side end face of the horizontal steel plate 112 is flush with the outer wall of the vertical steel plate 111, and the supporting component 113 is arranged on the horizontal steel plate 112, namely, one side of the steel corbel 11 is a plane which is tightly attached to the side wall of the precast concrete column 1.
In the above embodiment, as shown in fig. 6, the horizontal steel plate 112 is provided with the first threaded opening 1121, and the support member 113 includes: an adjustment mechanism 1131, a plate 1132; the plate 1132 is disposed on the adjustment mechanism 1131, and the adjustment mechanism 1131 is movably disposed within the first threaded aperture 1121 to adjust the position of the plate 1132. After the precast concrete column 1 is assembled, the steel bracket 11 is fixed on the side wall of the precast concrete column 1 through the vertical steel plate 111, the support part 113 on the steel bracket 1 provides support for the precast concrete girder 2, and the self load of the precast concrete girder 2 and the impact load during cast-in-place concrete construction are transmitted to the precast concrete column 1 through the support part 113 so as to realize the installation of the precast concrete girder 2 without a support system; in addition, the height of the supporting plate 1132 can be adjusted according to the actual situation of field installation, so as to quickly complete the installation of the precast concrete main beam 2 in place.
Specifically, the adjustment mechanism 1131 includes: a screw 11311, a fastening nut 11312; the head end of screw 11311 passes first screw aperture 1121 from bottom to top to fix on horizontal steel sheet 112 through fastening nut 11311, fastening nut 11312 can weld in advance on horizontal steel sheet 112, and the fixed layer board 1132 of the end of screw 11311, screw 11311 can reciprocate in first screw aperture 1121, so that layer board 1132 can reciprocate, after adjusting the position, through fastening nut 11312, carry out further fixed to screw 11311.
In the above embodiment, as shown in fig. 6 and 7, the steel corbel further includes: the steel plate assembly comprises a limiting steel plate 114 and fastening bolts 115, wherein the limiting steel plate 114 is vertically arranged on one side of the horizontal steel plate 112, a second threaded opening 1141 is formed in the upper portion of the limiting steel plate 114, and the limiting steel plate 114 is fixed on the side wall of the precast concrete main beam 2 through the fastening bolts 115. When the precast concrete girder 2 takes place, can make the position of precast concrete girder 2 hoist and mount deflect because the operation is improper, through setting up spacing part steel sheet 114 to restrict precast concrete girder 2 in certain within range, reduce the work load of later stage position adjustment.
In the above embodiment, as shown in fig. 7, the steel bracket 11 further includes: a fastening member 116; the vertical steel plate 111 is fixed to the side wall of the precast concrete column 1 by a fastening member 116. The vertical steel plate 111 is fixed on the side wall of the precast concrete column 1 through the fastening component 116, the fastening component 116 can adopt a steel bar and a nut with external screw teeth at two ends, a third threaded hole capable of being matched with the steel bar is arranged in the vertical steel plate 111, and a through hole matched with the steel bar can be reserved in advance on the precast concrete column 1.
In the above embodiment, as shown in fig. 3, the first connecting member 21 and the second connecting member 31 are connected by bolts, and a plurality of openings are reserved above the first connecting member 21 and the second connecting member 31.
In addition, two vertical rib plates 14 for increasing the rigidity of the steel corbel 11 can be arranged on two sides of the vertical steel plate 111, and the vertical rib plate 117 is vertically connected with the vertical steel plate 111; the vertical steel plate 111 is also provided with a plurality of horizontal rib plates 118 used for increasing the rigidity of the steel corbel 11, the horizontal rib plates 118 are vertically connected with the vertical steel plate 111, and the rigidity of the steel corbel 11 can be further enhanced through the vertical rib 117 plates and the horizontal rib plates 118, so that the supporting force of the steel corbel 11 on the precast concrete column 1 is improved.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments do not depart from the technical solution of the present invention, and still fall within the scope of the technical solution of the present invention.
Claims (9)
1. A fabricated support-free frame structure, comprising: the prefabricated concrete columns, the prefabricated main concrete beams, the prefabricated secondary concrete beams and the prefabricated concrete plates are arranged on the prefabricated concrete columns;
the side wall of the precast concrete column is provided with a plurality of steel brackets, and the precast concrete main beam is placed on the precast concrete column through the steel brackets;
the side wall of each precast concrete main beam is provided with a first connecting piece, the end face of each precast concrete secondary beam is provided with a second connecting piece, and the first connecting pieces are connected with the second connecting pieces so that the precast concrete secondary beams are connected between two adjacent precast concrete main beams;
and two ends of the precast concrete plate are respectively placed at the top ends of the precast concrete secondary beam and/or the precast concrete main beam.
2. The fabricated support-free frame structure of claim 1, wherein the precast concrete panel is provided with a plurality of support panel ribs at a bottom middle portion thereof, and the support panel ribs have a length smaller than a span of the precast concrete panel.
3. The fabricated support-free frame structure of claim 2, wherein the support plate ribs are uniformly arranged with a plurality of reinforcing bars, and the plurality of reinforcing bars are longitudinally distributed and extend into the interior of the precast concrete plate.
4. The fabricated support-free frame structure of claim 2, wherein the precast concrete panel has a span length of 3 to 6m and a thickness of 70 to 100mm, and the support panel rib is provided with at least two channels.
5. The fabricated support-free frame structure of claim 1, wherein the steel corbel comprises: the steel plate comprises a vertical steel plate, a horizontal steel plate and a supporting component; the outer wall of vertical steel sheet hugs closely the lateral wall of precast concrete post, horizontal steel sheet with the top surface of vertical steel sheet is connected perpendicularly, just a side end face of horizontal steel sheet with the outer wall parallel and level of vertical steel sheet, the supporting component sets up on the horizontal steel sheet.
6. The fabricated support-free frame structure of claim 5, wherein the support member comprises: an adjusting mechanism and a supporting plate; the supporting plate is arranged on the adjusting mechanism, and the adjusting mechanism movably penetrates through the horizontal steel plate to adjust the position of the supporting plate.
7. The fabricated support-free frame structure of claim 6, wherein the steel corbel further comprises: spacing steel sheet, fastening bolt, spacing steel sheet sets up perpendicularly one side of horizontal steel sheet, spacing steel sheet passes through fastening bolt fixes on the lateral wall of precast concrete girder.
8. The fabricated support-free frame structure of any one of claims 5-7, wherein the steel corbel further comprises: a fastening member; and the vertical steel plate is fixed on the side wall of the precast concrete column through the fastening part.
9. The fabricated support-free frame structure of claim 1, wherein the first connector and the second connector are connected by bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020147594.XU CN212176059U (en) | 2020-01-22 | 2020-01-22 | Assembled exempts from braced frame structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020147594.XU CN212176059U (en) | 2020-01-22 | 2020-01-22 | Assembled exempts from braced frame structure |
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| CN212176059U true CN212176059U (en) | 2020-12-18 |
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| CN202020147594.XU Active CN212176059U (en) | 2020-01-22 | 2020-01-22 | Assembled exempts from braced frame structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111456230A (en) * | 2020-01-22 | 2020-07-28 | 广州地铁设计研究院股份有限公司 | Assembled exempts from braced frame structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111456230A (en) * | 2020-01-22 | 2020-07-28 | 广州地铁设计研究院股份有限公司 | Assembled exempts from braced frame structure |
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