CN203947675U - Precast wall panel with shearing keyway - Google Patents
Precast wall panel with shearing keyway Download PDFInfo
- Publication number
- CN203947675U CN203947675U CN201420395388.5U CN201420395388U CN203947675U CN 203947675 U CN203947675 U CN 203947675U CN 201420395388 U CN201420395388 U CN 201420395388U CN 203947675 U CN203947675 U CN 203947675U
- Authority
- CN
- China
- Prior art keywords
- wall panel
- precast wall
- shearing
- shearing keyway
- keyway
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000010008 shearing Methods 0.000 title claims abstract description 103
- 210000003195 fascia Anatomy 0.000 claims abstract description 26
- 230000004308 accommodation Effects 0.000 claims abstract description 4
- 230000002787 reinforcement Effects 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 7
- 241000826860 Trapezium Species 0.000 claims description 4
- 238000007598 dipping method Methods 0.000 claims description 4
- 238000011065 in-situ storage Methods 0.000 abstract description 17
- 238000010276 construction Methods 0.000 abstract description 6
- 239000000725 suspension Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 13
- 238000005516 engineering process Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Landscapes
- Load-Bearing And Curtain Walls (AREA)
Abstract
A kind of precast wall panel with shearing keyway, be provided with shearing keyway with the junction of superposed beam, shearing keyway is a spatial accommodation that opening five faces enclose, and shear connector trench bottom is provided with connecting strand, the pre-buried end of connecting strand is embedded in precast wall panel, and connecting strand fixed end is fixed on superposed beam.Build superposed beam in-situ layer, in shearing keyway, cast-in-situ concrete is shaped to shear connector, and shear connector and superposed beam in-situ layer are Unified Global, and precast wall panel and superposed beam are connected to integral body.The utility model can adopt universal mold to build when producing, and enhances productivity, and avoids transportation and construction inconvenience.With adopting shear connector groove to form a plurality of points between the precast wall panel of shearing keyway and superposed beam, be connected, side fascia is upper suspension, spacing the flexibly connecting of lower flat, reduces the impact on superposed beam rigidity, improves the structural strength of building body.
Description
Technical field
The utility model relates to the prefabricated units field of fixed buildings technology, is specifically related to a kind of precast wall panel with shearing keyway.
Background technology
Existing precast wall panel inside upper part and superposed beam junction are embedded with an exclusive anchor bar of stretching, and these overhanging anchor bars are anchored fixing by cast-in-situ concrete and superposed beam and laminated floor slab.This precast wall panel is that line is connected with the connected mode of superposed beam and laminated floor slab, large to the rigidity of structure contribution of building body, is difficult for dissipation seismic energy during earthquake.Because precast wall panel inner side is prefabricated with overhanging anchor bar, during plant produced, the outside decorative cover of precast wall panel must be placed on platform mould down, and inner side is convenient to insert overhanging anchor bar upward on mould.Cause the outside finish of precast wall panel on platform mould, to complete; And side mold need arrange the breach stretching into for overhanging anchor bar in precast wall panel, while wearing overhanging anchor bar in template, operation easier is large, and production efficiency is low, and production mould is complicated.In addition, produced rear overhanging anchor bar and bent, need to be again stretching during to site operation, be connected with the reinforcing bar of superposed beam and laminated floor slab, cause complex procedures, reduce reinforced steel bar strength.
Summary of the invention
Technical problem to be solved in the utility model is: for the overhanging anchor bar of available technology adopting, connect precast wall panel and superposed beam and laminated floor slab and the production, transportation and the working procedure complexity that cause, the problem that production efficiency is lower, and provide a kind of precast wall panel with shearing keyway, reduce the impact of precast wall panel on superposed beam rigidity, the dress that can complete outside finish when precast wall panel is produced on platform mould pastes operation, makes transportation, installation, the construction of precast wall panel become convenient, simple, efficient.
The utility model is that the technical scheme that its technical problem of solution adopts is: a kind of precast wall panel with shearing keyway, precast wall panel inner side is provided with shearing keyway with superposed beam junction, described shear connector groove forms the spatial accommodation that one side opening five faces enclose, and the opening surface of described shearing keyway is positioned at the inner surface of described precast wall panel.Described precast wall panel inner side can arrange a plurality of shearing keyways.When the described precast wall panel with shearing keyway is connected with superposed beam, build superposed beam in-situ layer concrete, in described shearing keyway, cast-in-situ concrete is shaped to shear connector, and shear connector and superposed beam in-situ layer are Unified Global, and described prefabricated sandwich side fascia and superposed beam are connected to integral body.
In precast wall panel with shearing keyway described in the utility model, in described shearing keyway, vertical side and/or downside bottom surface are provided with to the outstanding horizontal fin of described shear connector direction, the uper side surface of described shearing keyway is set to outward-dipping drafting angle, the cross sectional shape of described shearing keyway in the vertical direction is set to right-angled trapezium, and the width of described shearing shearkey box vertical cross-section is not more than the width in described interior impeller vertical direction cross section.
In precast wall panel with shearing keyway described in the utility model, described shearing keyway is provided with connecting strand, described connecting strand comprises pre-buried end and fixed end, the pre-buried end of described connecting strand is embedded in described precast wall panel, and described connecting strand fixed end stretches in described shearing keyway through the bottom surface of described shearing keyway.When the described precast wall panel with shearing keyway is connected with superposed beam, above-mentioned connecting strand fixed end is pulled out and is fixed on superposed beam frame force rib from described shearing keyway, and then build superposed beam in-situ layer concrete, make precast wall panel and superposed beam be connected to overall structure.
In precast wall panel with shearing keyway described in the utility model, the below that is positioned at described shearing keyway in described precast wall panel is provided with the transverse reinforcement of horizontal direction, and the pre-buried end of described connecting strand is connected in described transverse reinforcement or is connected in the reinforced mesh in described precast wall panel.Described connecting strand, for flexibly connecting rope or the rope that is rigidly connected, can adopt hardness of steel cable wire to make.
In precast wall panel with shearing keyway described in the utility model, pre-buried shearing shearkey box in described shearing keyway, lower shoe and three side plates that described shearing shearkey box comprises by upper plate, offer the hole of reeving enclose the box body forming, and the one side that described box body is not established side plate is open-position-side; The open-position-side of described shearing shearkey box box body overlaps with the vertical plane of described precast wall panel inner side.Not yielding when easy and pre-buried during for assurance production and processing, described shearing shearkey box structure adopts metal material to make.
In precast wall panel with shearing keyway described in the utility model, described precast wall panel is the prefabricated sandwich side fascia that comprises outer impeller, insulation layer and interior impeller, described shearing keyway is embedded in the interior impeller of prefabricated sandwich side fascia, and the pre-buried end of described connecting strand is embedded in the interior impeller of described prefabricated sandwich side fascia.Shearing keyway in described prefabricated sandwich side fascia preferably arranges pre-buried shearing shearkey box, and the fixed end of described connecting strand stretches into described shearing shearkey box through the bottom surface of described shearing shearkey box and is fixed to the bearing rod of superposed beam.
Implement the precast wall panel with shearing keyway of the present utility model, there is following beneficial effect: precast wall panel inner side and the pre-buried shearing keyway in superposed beam in-situ layer junction, after cast-in-situ concrete, form shear connector, shear connector is connected to integral body by precast wall panel and superposed beam and laminated floor slab.Utilize the concrete compressive property in shear connector place to bear precast wall panel deadweight, utilize concrete shear behavior to bear horizontal earthquake load.Precast wall panel in prior art is connected with the line that superposed beam forms by overhanging anchor bar, becoming the point forming by shear connector connects, reduce the impact on superposed beam rigidity, made the spacing flexible connection mode outside upper suspension, lower flat that is connected to of precast wall panel and superposed beam.Compared with prior art, under this connected mode, precast wall panel is minimum to the stiffness contribution of major structure of construction, has improved the anti-seismic performance of major structure of construction.By the lateral cross section at shearing keyway, fin is set, strengthens the bonding strength of cast-in-place shear connector and shearing keyway, strengthen the plane load of precast wall panel.Uper side surface by shearing keyway is set to slope, and exhaust while being conducive to concreting filling, avoids shear connector internal cause to have air and form cavity.By in shearing keyway arrangements, connecting strand being set, when in earthquake or other situation, shear connector is destroyed, connecting strand can be held precast wall panel, makes its unlikely falling; Because connecting strand hangs precast wall panel to be connected on superposed beam, therefore under earthquake conditions, can consume part seismic energy.Precast wall panel with shearing keyway of the present utility model is when production is prefabricated, can adopt general mould to build, need not pre-buried overhanging anchor bar, inconvenience while having avoided because of transportation that pre-buried overhanging anchor bar causes, construction, save complicated production mould, improved production efficiency., during production, the inner side of precast wall panel can be produced towards chassis face, decorative cover is placed upward on chassis outside precast wall panel meanwhile, and Ke factory just completes the facing of wall face and decorates, and is conducive to standardization, the suitability for industrialized production of building.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of embodiment 1 of the present utility model;
Fig. 2 is the structural representation of embodiment 2 of the present utility model;
Fig. 3 is the perspective view of shearing shearkey box in Fig. 2;
In figure, the prefabricated sandwich side fascia of 1-, the outer impeller of 11-, 12-insulation layer, impeller in 13-, 14-transverse reinforcement; 2-superposed beam, 21-superposed beam preformed layer, 21a-frame force rib, 21b-stirrup, 22 superposed beam in-situ layers; 3-shearing keyway; 4-shearing shearkey box, 41-slope, 42-fin, 43-bottom surface preformed hole; 5-connecting strand, the pre-buried end of 51-, 52-fixed end.
The specific embodiment
Embodiment 1: shown in Figure 1, the cross-sectional view with the prefabricated sandwich side fascia of shearing keyway is followed successively by outer impeller 11, insulation layer 12 and interior impeller 13 from outside to inner side, is embedded with the transverse reinforcement 14 of horizontal direction in interior impeller 13.Between the prefabricated sandwich side fascia of upper and lower layer, adopt tongue and groove to connect, interior impeller upper end exceeds outer impeller and the warming plate with layer, interior impeller lower end is shorter than outer impeller and the warming plate with layer, and the interior impeller between the prefabricated sandwich side fascia of upper and lower layer connects by the tongue and groove overlap joint arranging.In prefabricated sandwich side fascia, the top of impeller 13 is provided with shearing keyway 3, and the upper side edge of shearing keyway 3 is along the upper side edge edge lower than insulation layer 12.Shearing keyway 3 runs through interior impeller 13 in the horizontal direction, and the lateral surface of shearing keyway 3 is insulation layer 12, and shearing keyway 3 has formed the spatial accommodation that medial surface opening, other five faces enclose.The uper side surface of shearing keyway 3 is set to outward-dipping slope, and the cross sectional shape of vertical direction is preferably set to right-angled trapezium (see figure 1).
Shearing keyway 3 in the present embodiment is also provided with connecting strand 5, and connecting strand 5 comprises pre-buried end 51 and fixed end 52.Connecting strand 5 is made by the doubling of a high strength cable wire, and it is pre-buried end 51 that the free end after cable wire doubling adopts aluminium cover fastening bundle mouthful, and the closing end after cable wire doubling is fixed end 52.Pre-buried end 51 is fixedly connected with the transverse reinforcement 14 that is positioned at shear connector groove below in interior impeller 13, and connecting strand fixed end 52 stretches into shearing keyway 3 inside through the bottom surface of shearing keyway 3.
Embodiment 2: referring to shown in Fig. 2 to Fig. 3, prefabricated sandwich side fascia 1 with shearing keyway is connected with superposed beam 2, prefabricated sandwich side fascia 1 is followed successively by outer impeller 11, insulation layer 12 and interior impeller 13 from outside to inner side, is embedded with the transverse reinforcement 14 of horizontal direction in interior impeller 13; Superposed beam 2 comprises preformed layer 21 and in-situ layer 22, is provided with stirrup 21b in preformed layer 21, is provided with the frame force rib 21a that connects all stirrup 21b in in-situ layer 22.Interior impeller 13 is provided with shearing keyway 3 with the junction of superposed beam in-situ layer 22, and shearing keyway 3 opening surfaces overlap with the inner surface of interior impeller 13, and the upper edge of superposed beam preformed layer 21 is lower than the lower edge of shearing keyway 3.In this preferred embodiment, the making for convenience of shearing keyway 3 is embedded with shearing shearkey box 4 in shearing keyway 3.As shown in Figure 3, shearing shearkey box 4 is a can that opening five faces enclose, the opening surface of shearing shearkey box 4 is towards the inner side of interior impeller 13, while building the concrete of superposed beam in-situ layer 22, the interior cast-in-situ concrete of shearing shearkey box 4 is shaped to shear connector, this shear connector and superposed beam in-situ layer 22 are cast-in-place integral, connect prefabricated sandwich side fascia 1 and superposed beam 2.The deadweight that utilizes the concrete compressive property of shear connector to bear prefabricated sandwich side fascia 1, utilizes the concrete anti-seismic performance of shear connector to bear prefabricated sandwich side fascia 1 seismic load in the horizontal direction.The uper side surface of shearing shearkey box 4 preferably arranges outward-dipping slope 41, and the cross sectional shape of vertical direction is preferably set to right-angled trapezium (as shown in Figure 2), and exhaust while being conducive to concreting filling, avoids shear connector internal cause to have air and form cavity.The two sides of shearing shearkey box 4 are symmetrical arranged to the fin 42 of shearing shearkey box 4 internal protrusion, can strengthen the bonding strength of cast-in-place shear connector and shearing shearkey box 4, strengthen the plane load of prefabricated sandwich side fascia 1.
In this preferred embodiment, shearing shearkey box 4 bottoms are also provided with connecting strand 5.Connecting strand 5 comprises pre-buried end 51 and fixed end 52, and pre-buried end 51 passes the transverse reinforcement 14 that is positioned at shear connector groove below in interior impeller 13, and connecting strand fixed end 52 stretches into the inner frame force rib 21a that also passes superposed beam 2 of shearing keyway 3 through the bottom surface of shearing keyway 3.Connecting strand 5 is made by the doubling of a high strength cable wire, and it is pre-buried end 51 that the free end after cable wire doubling adopts aluminium cover fastening bundle mouthful, and the closing end after cable wire doubling is fixed end 52.
In this preferred embodiment, with the prefabricated sandwich side fascia of shearing shearkey box structure, when producing, can adopt general mould to build, pre-buried overhanging anchor bar again, saved complicated production mould, improved production efficiency, the inconvenience while having avoided transportation, construction.Meanwhile, prefabricated sandwich side fascia can in impeller towards chassis face, produce, outer impeller is placed upward on chassis, so the facing that Ke factory just completes wall face decorates, and is conducive to standardization, the suitability for industrialized production of building.Between prefabricated sandwich side fascia and superposed beam, adopting shearing shearkey box structure to form a plurality of points is connected, prefabricated sandwich side fascia is upper suspension formula, the spacing flexible connecting structure of lower flat, reduce the impact of prefabricated sandwich side fascia on superposed beam rigidity, improved structural strength and the anti-seismic performance of main structure body.By in shearing shearkey box structure, connecting strand being set, when in earthquake or other situation, shear connector is destroyed, connecting strand connects prefabricated sandwich side fascia and superposed beam, makes its unlikely falling; Because connecting strand hangs prefabricated sandwich side fascia to be connected on superposed beam, during earthquake, can there is in the horizontal direction a small amount of displacement and consume part seismic energy.
Claims (9)
1. the precast wall panel with shearing keyway, it is characterized in that, precast wall panel inner side is provided with shearing keyway with superposed beam junction, and described shear connector groove forms the spatial accommodation that one side opening five faces enclose, and the opening surface of described shearing keyway is positioned at the inner surface of described precast wall panel.
2. a kind of precast wall panel with shearing keyway according to claim 1, is characterized in that, the uper side surface of described shearing keyway is set to outward-dipping drafting angle.
3. a kind of precast wall panel with shearing keyway according to claim 1, is characterized in that, the cross sectional shape of described shearing keyway in the vertical direction is set to right-angled trapezium.
4. a kind of precast wall panel with shearing keyway according to claim 1, is characterized in that, in described shearing keyway, vertical side and/or downside bottom surface are provided with to the outstanding horizontal fin of described shear connector direction.
5. a kind of precast wall panel with shearing keyway according to claim 1, is characterized in that, described shearing keyway is provided with
connecting strand, described connecting strand comprises pre-buried end and fixed end, and the pre-buried end of described connecting strand is embedded in described precast wall panel, and described connecting strand fixed end stretches in described shearing keyway through the bottom surface of described shearing keyway.
6. a kind of precast wall panel with shearing keyway according to claim 5, it is characterized in that, the below that is positioned at described shearing keyway in described precast wall panel is provided with the transverse reinforcement of horizontal direction, and the pre-buried end of described connecting strand is connected in described transverse reinforcement or is connected in the reinforced mesh in described precast wall panel.
7. a kind of precast wall panel with shearing keyway according to claim 5, is characterized in that, described connecting strand is for flexibly connecting rope or the rope that is rigidly connected.
8. according to a kind of precast wall panel with shearing keyway described in claim 1 to 7 any one, it is characterized in that, pre-buried shearing shearkey box in described shearing keyway, lower shoe and three side plates that described shearing shearkey box comprises by upper plate, offer the hole of reeving enclose the box body forming, and the one side that described box body is not established side plate is open-position-side; The open-position-side of described shearing shearkey box box body overlaps with the vertical plane of described precast wall panel inner side.
9. a kind of precast wall panel with shearing keyway according to claim 8, it is characterized in that, described precast wall panel is the prefabricated sandwich side fascia that comprises outer impeller, insulation layer and interior impeller, and described shearing shearkey box is embedded in the interior impeller of prefabricated sandwich side fascia.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420395388.5U CN203947675U (en) | 2014-07-17 | 2014-07-17 | Precast wall panel with shearing keyway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420395388.5U CN203947675U (en) | 2014-07-17 | 2014-07-17 | Precast wall panel with shearing keyway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203947675U true CN203947675U (en) | 2014-11-19 |
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ID=51889721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420395388.5U Expired - Lifetime CN203947675U (en) | 2014-07-17 | 2014-07-17 | Precast wall panel with shearing keyway |
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| Country | Link |
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| CN (1) | CN203947675U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104790582A (en) * | 2015-05-06 | 2015-07-22 | 长沙远大住宅工业集团有限公司 | Box-type structure roof |
| CN104831816A (en) * | 2015-05-29 | 2015-08-12 | 长沙远大住宅工业集团有限公司 | Fabricated building wallboard and floor pull-connecting and tenon-riveting integrated joint and construction method thereof |
| CN111805725A (en) * | 2019-04-12 | 2020-10-23 | 浙江双友物流器械股份有限公司 | Production method of building composite board |
-
2014
- 2014-07-17 CN CN201420395388.5U patent/CN203947675U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104790582A (en) * | 2015-05-06 | 2015-07-22 | 长沙远大住宅工业集团有限公司 | Box-type structure roof |
| CN104831816A (en) * | 2015-05-29 | 2015-08-12 | 长沙远大住宅工业集团有限公司 | Fabricated building wallboard and floor pull-connecting and tenon-riveting integrated joint and construction method thereof |
| CN111805725A (en) * | 2019-04-12 | 2020-10-23 | 浙江双友物流器械股份有限公司 | Production method of building composite board |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 410205 the intersection of Lu Song road and Dongfanghong road in Changsha hi tech Development Zone, Hunan Patentee after: CHANGSHA BROAD HOMES INDUSTRIAL GROUP Co.,Ltd. Address before: 410013 Hunan Changsha hi tech Development Zone Yuelu road Changsha Yuanda residential industrial group Co., Ltd. Patentee before: CHANGSHA BROAD HOMES INDUSTRIAL INTERNATIONAL Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141119 |
|
| CX01 | Expiry of patent term |