CN104074359A - Construction method for connection joint of prefabricated sandwich side fascia - Google Patents
Construction method for connection joint of prefabricated sandwich side fascia Download PDFInfo
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- CN104074359A CN104074359A CN201410340648.3A CN201410340648A CN104074359A CN 104074359 A CN104074359 A CN 104074359A CN 201410340648 A CN201410340648 A CN 201410340648A CN 104074359 A CN104074359 A CN 104074359A
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- side fascia
- superposed beam
- prefabricated sandwich
- sandwich side
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Abstract
A construction method for a connection joint of a prefabricated sandwich side fascia specially comprises the steps of S1, hoisting the prefabricated sandwich side fascia, positioning the bottom edge, erecting an oblique support and leveling the prefabricated sandwich side fascia; S2, hoisting a superposed beam, erecting a vertical support, installing a horizontal fixed support, and fixing the superposed beam to the prefabricated sandwich side fascia; S3, hoisting and positioning a superposed floor slab; S4, making a erection bar penetrate through a connecting cable in a shear key groove, and connecting the erection bar with a stirrup of a superposed beam cast-in-situ layer fixedly; S5, placing a shear key additional rebar in the shear key groove and a superposed floor slab cast-in-situ layer; S6, arranging superposed floor slab cast-in-situ layer reinforcing mesh panels, pouring cast-in-situ concrete, and conducting curing and molding; S7, dismantling a bottom edge positioning device and the oblique support of the prefabricated sandwich side fascia. Compared with the prior art, the construction method for the connection joint of the prefabricated sandwich side fascia has the advantages that rebar bending is avoided on a construction site, construction efficiency is improved, and the rebar processing and construction technology is simplified.
Description
Technical field
The present invention relates to construction engineering technical field, be specifically related to a kind of construction method of connected node of prefabricated sandwich side fascia.
Background technology
In prior art, the interior impeller of prefabricated sandwich side fascia is embedded with overhanging anchor bar, and overhanging anchor bar is that " L shaped " one end is arranged in impeller, the other end stretches out in outside impeller and be positioned at impeller place plane in transportation and work progress.In prior art, the construction method of the connected node of prefabricated sandwich side fascia is: during construction, first lift and locate prefabricated sandwich side fascia; Then lift superposed beam and be located on prefabricated sandwich side fascia; Again lift on laminated floor slab location and superposed beam; The overhanging anchor bar of the prefabricated sandwich side fascia of bending, makes overhanging anchor bar stretch into the in-situ layer of laminated floor slab; Build the in-situ layer concrete of superposed beam and laminated floor slab, in-situ layer maintenance moulding.The construction method of the connected node of this prefabricated sandwich side fascia, needs first overhanging anchor bar external part to be launched at the construction field (site), and then bending makes it stretch into laminated floor slab in-situ layer, and operating process is complicated, need more manpower, and efficiency of construction is low; Bending reinforcing steel bar easily causes reinforcing bar impaired, reduces its structural strength.Due to the pre-buried overhanging anchor bar of interior impeller, between the prefabricated sandwich side fascia of upper and lower layer, adopt flat mouth to connect, while building laminated floor slab in-situ layer concrete, easily cause the spillage of horizontal aspect, pollute the outer decorative cover of prefabricated sandwich side fascia.
Summary of the invention
Technical problem to be solved by this invention is: the prefabricated sandwich side fascia connected node existing for prior art is executed the on-the-spot bending reinforcing steel bar of man-hour requirement, problem that operating efficiency is low, a kind of construction method for new prefabricated sandwich side fascia connected node is provided, simplify on-the-spot reinforcing bar and process and constructing operation, improve efficiency of construction.
The present invention is that the technical scheme that its technical problem of solution adopts is: for interior impeller and superposed beam in-situ layer junction, be provided with the new node of the prefabricated sandwich side fascia of a plurality of shear connectors, a kind of construction method of connected node of prefabricated sandwich side fascia is provided.When prefabricated sandwich side fascia is connected with superposed beam, its concrete steps are as follows:
S1, lifting are also located prefabricated sandwich side fascia, vertical bearing diagonal, the prefabricated sandwich side fascia of leveling;
S3, lifting superposed beam, be positioned at superposed beam on interior impeller;
S5, cloth superposed beam frame force rib, and the stirrup of frame force rib and superposed beam is connected and fixed;
S7, build superposed beam in-situ layer and shearing keyway inner concrete;
S9, in-situ layer maintenance, moulding;
S11, dismantle prefabricated sandwich side fascia base positioner and bearing diagonal.
In the construction method of the connected node of prefabricated sandwich side fascia of the present invention, while locating superposed beam in step S2, after the vertical supporting of vertical superposed beam, the fixed support of superposed beam horizontal direction is installed; Make on superposed beam preformed layer along the lower edge lower than shearing keyway in prefabricated sandwich side fascia.For strengthening shear connector and the concrete bonding strength of superposed beam in-situ layer, preferably in step S5, place shear connector additional bar, shear connector additional bar one end is positioned in shearing keyway, the other end is placed in superposed beam frame force rib bottom.
In the construction method of the connected node of prefabricated sandwich side fascia of the present invention, when prefabricated sandwich side fascia is connected with laminated floor slab with superposed beam, its concrete steps are as follows: S1, hoisting prefabricated sandwich side fascia, base, location, vertical prefabricated sandwich side fascia bearing diagonal; S3, lifting superposed beam are also fixed on superposed beam on prefabricated sandwich side fascia, make on superposed beam preformed layer along the lower edge lower than shearing keyway in prefabricated sandwich side fascia; S5, lifting laminated floor slab, be erected at laminated floor slab on superposed beam; Bearing rod in S7, cloth superposed beam, passes frame force rib the connecting strand stretching out in prefabricated sandwich side fascia shearing keyway, and is fixedly connected with superposed beam in-situ layer stirrup; Concrete in S9, the in-situ layer of building superposed beam and laminated floor slab and shearing keyway, maintenance moulding; S11, unload prefabricated sandwich side fascia base positioner and bearing diagonal.For strengthening shear connector and the concrete bonding strength of laminated floor slab in-situ layer, in step S7, also comprise and place shear connector additional bar, shear connector additional bar one end is positioned in shearing keyway, and the other end is placed in laminated floor slab in-situ layer through superposed beam frame force rib bottom.
The construction method of implementing the connected node of the prefabricated sandwich side fascia of the present invention has following beneficial effect: avoided needing in prior art bending at the construction field (site) the operation of the overhanging anchor bar of prefabricated sandwich side fascia, simplify the processing of reinforcing bar in transportation and work progress, improve efficiency of construction.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of construction method of the connected node of the prefabricated sandwich side fascia of the present invention;
Fig. 2 is the cross-sectional view of the connected node of prefabricated sandwich side fascia and laminated floor slab;
In figure, the prefabricated sandwich side fascia of 1-1-, the outer impeller of 11-, 12-insulation layer, impeller in 13-; 2-superposed beam, 21-superposed beam preformed layer, 22-superposed beam in-situ layer, 21a-frame force rib, 21b-stirrup; 3-laminated floor slab, 31-laminated floor slab preformed layer, 32-laminated floor slab in-situ layer; 4-shearing keyway; 5-connecting strand; 6-shear connector additional bar.
The specific embodiment
The construction method of the connected node of the prefabricated sandwich side fascia of this preferred embodiment, construction method of installation for the connected node of the prefabricated sandwich side fascia in Fig. 2 and laminated floor slab, its step as shown in Figure 1, specifically comprise: S0, superposed beam is set and comprises preformed layer and in-situ layer, prefabricated sandwich side fascia is set and comprises outer impeller, insulation layer and connection are arranged on the interior impeller of superposed beam side, upper in superposed beam in-situ layer junction, shearing keyway being set at interior impeller, on superposed beam in-situ layer, with interior impeller shear connector groove opposite position place, the shear connector matching with shearing keyway is set, S1, hoisting prefabricated sandwich side fascia, base, location, falls prefabricated sandwich side fascia, and vertical bearing diagonal, by prefabricated sandwich side fascia leveling, S2, lifting superposed beam, fall superposed beam after vertical vertical supporting, makes edge on superposed beam preformed layer lower than the lower edge of shearing keyway in prefabricated sandwich side fascia, the fixed support of superposed beam horizontal direction is installed, and superposed beam is fixed on prefabricated sandwich side fascia, S3, lifting laminated floor slab, be erected at laminated floor slab on the superposed beam with the relative side of prefabricated sandwich side fascia, S4, pull out the connecting strand in all shearing keyways of prefabricated sandwich side fascia, frame force rib, successively through described connecting strand, is then fixedly connected with frame force rib with the stirrup of superposed beam in-situ layer, S5, placement shear connector additional bar, be placed in shearing keyway by shear connector additional bar one end, and the other end is placed in laminated floor slab in-situ layer through superposed beam frame force rib below, the reinforced mesh of S6, layout laminated floor slab in-situ layer, builds the in-situ layer of superposed beam and laminated floor slab and the concrete in shearing keyway, maintenance moulding, S7, unload prefabricated sandwich side fascia base positioner and bearing diagonal.
Construction method when this preferred embodiment has been described prefabricated sandwich side fascia and is connected with same floor plate, the building structure for surpassing one deck, can repeat above-mentioned construction sequence until building body installation.
Claims (7)
1. a construction method for the connected node of prefabricated sandwich side fascia, is characterized in that, comprises the following steps:
S0, superposed beam is set comprises preformed layer and in-situ layer, prefabricated sandwich side fascia is set and comprises that outer impeller, insulation layer and connection are arranged on the interior impeller of superposed beam side, upper in superposed beam in-situ layer junction, shearing keyway being set at interior impeller, on superposed beam in-situ layer, with interior impeller shear connector groove opposite position place, the shear connector matching with shearing keyway is set;
S1, lifting are also located prefabricated sandwich side fascia, vertical bearing diagonal, the prefabricated sandwich side fascia of leveling;
S3, lifting superposed beam, be positioned at superposed beam on interior impeller;
S5, cloth superposed beam frame force rib, and the stirrup of frame force rib and superposed beam is connected and fixed;
S7, build superposed beam in-situ layer and shearing keyway inner concrete;
S9, in-situ layer maintenance, moulding;
S11, dismantle prefabricated sandwich side fascia base positioner and bearing diagonal.
2. the construction method of the connected node of a kind of prefabricated sandwich side fascia according to claim 1, is characterized in that, also comprises step S4, lifting and location laminated floor slab, then enter step S5 after described step S3;
After described step S5, also comprise step S6, place the in-situ layer reinforcing bar of laminated floor slab, then enter step S7;
After described step S7, also comprise step S8, build superimposed building in-situ layer, then enter step S9.
3. the construction method of the connected node of a kind of prefabricated sandwich side fascia according to claim 1 and 2, is characterized in that, in described step S3, during the superposed beam of location, makes on superposed beam preformed layer along the lower edge lower than shearing keyway in prefabricated sandwich side fascia.
4. the construction method of the connected node of a kind of prefabricated sandwich side fascia according to claim 1 and 2, it is characterized in that, in described step S3, during the superposed beam of location, superposed beam vertical supporting is set and locates the vertical position of superposed beam, the horizontal level that fixed support is located superposed beam is set.
5. the construction method of the connected node of a kind of prefabricated sandwich side fascia according to claim 1 and 2, it is characterized in that, described in each, in shearing keyway, be equipped with that one end is embedded in interior impeller and the other end is inner and extend to the connecting strand of shear connector to described shearing keyway through described shearing keyway, in described step S5, during cloth superposed beam frame force rib, first frame force rib is passed to the connecting strand in each shearing keyway in prefabricated sandwich side fascia, then be connected and fixed with superposed beam stirrup.
6. the construction method of the connected node of a kind of prefabricated sandwich side fascia according to claim 1, it is characterized in that, step S5 also comprises placement shear connector additional bar, one end of shear connector additional bar is placed in shearing keyway, and the other end is placed on superposed beam frame force rib below.
7. the construction method of the connected node of a kind of prefabricated sandwich side fascia according to claim 2, it is characterized in that, step S5 also comprises placement shear connector additional bar, shear connector additional bar one end is positioned in shearing keyway, and the other end is through superposed beam frame force rib below and extend to laminated floor slab in-situ layer.
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| CN201410340648.3A CN104074359B (en) | 2014-07-17 | 2014-07-17 | The construction method of the connected node of prefabricated sandwich side fascia |
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| CN201410340648.3A CN104074359B (en) | 2014-07-17 | 2014-07-17 | The construction method of the connected node of prefabricated sandwich side fascia |
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| CN104074359B CN104074359B (en) | 2016-04-20 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937270A (en) * | 2016-06-03 | 2016-09-14 | 长沙远大住宅工业集团股份有限公司 | Novel prefabricated building connecting joint |
| CN106193116A (en) * | 2016-08-31 | 2016-12-07 | 长沙远大住宅工业集团股份有限公司 | Overlapping assembled underground pipe gallery wallboard positioner |
| CN107859164A (en) * | 2017-11-10 | 2018-03-30 | 湘潭远大住宅工业有限公司 | A kind of sill bolt plate precast wall body and its construction method |
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| DE29915206U1 (en) * | 1999-08-31 | 2000-02-24 | Märtens, Lutz, 38104 Braunschweig | Frost apron made of polystyrene concrete |
| CN102747780A (en) * | 2012-06-28 | 2012-10-24 | 华汇工程设计集团股份有限公司 | Pre-tensioning-method pre-stress superposed beam building structure system and construction process thereof |
| CN103470040A (en) * | 2013-09-16 | 2013-12-25 | 南京工业大学 | Splicing method of composite floor slab and beam |
| CN103628594A (en) * | 2013-12-16 | 2014-03-12 | 长沙远大住宅工业有限公司 | Cast-in-place shear wall structure equivalent to prefabricated sandwiched superposed shear wall continuous steel bar |
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2014
- 2014-07-17 CN CN201410340648.3A patent/CN104074359B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE29915206U1 (en) * | 1999-08-31 | 2000-02-24 | Märtens, Lutz, 38104 Braunschweig | Frost apron made of polystyrene concrete |
| CN102747780A (en) * | 2012-06-28 | 2012-10-24 | 华汇工程设计集团股份有限公司 | Pre-tensioning-method pre-stress superposed beam building structure system and construction process thereof |
| CN103470040A (en) * | 2013-09-16 | 2013-12-25 | 南京工业大学 | Splicing method of composite floor slab and beam |
| CN103628594A (en) * | 2013-12-16 | 2014-03-12 | 长沙远大住宅工业有限公司 | Cast-in-place shear wall structure equivalent to prefabricated sandwiched superposed shear wall continuous steel bar |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937270A (en) * | 2016-06-03 | 2016-09-14 | 长沙远大住宅工业集团股份有限公司 | Novel prefabricated building connecting joint |
| CN106193116A (en) * | 2016-08-31 | 2016-12-07 | 长沙远大住宅工业集团股份有限公司 | Overlapping assembled underground pipe gallery wallboard positioner |
| CN107859164A (en) * | 2017-11-10 | 2018-03-30 | 湘潭远大住宅工业有限公司 | A kind of sill bolt plate precast wall body and its construction method |
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| CN104074359B (en) | 2016-04-20 |
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Address after: 410205 Hunan Changsha Hi-tech Development Zone foothill road and Dongfang Red Road intersection Patentee after: Broad Homes Industrial International Co., Ltd. Address before: 410013 Changsha high tech Development Zone, Yuelu, Hunan Avenue, Changsha Yuanda Industrial Group Co., Ltd. Patentee before: CHANGSHA BROAD HOMES INDUSTRIAL INTERNATIONAL CO., LTD. |