CN104074359B - The construction method of the connected node of prefabricated sandwich side fascia - Google Patents
The construction method of the connected node of prefabricated sandwich side fascia Download PDFInfo
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- CN104074359B CN104074359B CN201410340648.3A CN201410340648A CN104074359B CN 104074359 B CN104074359 B CN 104074359B CN 201410340648 A CN201410340648 A CN 201410340648A CN 104074359 B CN104074359 B CN 104074359B
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- side fascia
- superposed beam
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Abstract
A construction method for the connected node of prefabricated sandwich side fascia, its concrete steps are as follows: S1, hoisting prefabricated sandwich side fascia, base, location, vertical bearing diagonal, the prefabricated sandwich side fascia of leveling; S2, lifting superposed beam, after vertical vertical supporting, install the fixed support of horizontal direction, be fixed on by superposed beam on prefabricated sandwich side fascia; S3, lifting and location laminated floor slab; S4, by frame force rib through the connecting strand in shearing keyway, the stirrup of frame force rib with superposed beam in-situ layer is fixedly connected with; S5, shear connector additional bar is placed in shearing keyway and laminated floor slab in-situ layer; S6, cloth laminated floor slab in-situ layer reinforced mesh, build in-situ layer concrete, maintenance is shaping; S7, unload prefabricated sandwich side fascia base positioner and bearing diagonal.The construction method of the connected node of the prefabricated sandwich side fascia of the present invention compared with prior art, is avoided bending reinforcing steel bar, raising efficiency of construction at the construction field (site), is simplified reinforcing bar process and construction technology.
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 in transport and work progress, in " L shape ", one end is arranged in impeller to overhanging anchor bar, the other end stretches out in impeller outward and be positioned at impeller place plane.In prior art, the construction method of the connected node of prefabricated sandwich side fascia is: first lift and locate prefabricated sandwich side fascia during construction; Then lift superposed beam and be located on prefabricated sandwich side fascia; Again lift laminated floor slab and locate with on 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 is shaping.The construction method of the connected node of this prefabricated sandwich side fascia, need first to be launched by overhanging anchor bar external part at the construction field (site), and then bending makes it stretch into laminated floor slab in-situ layer, 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, adopt flat mouth to connect between the prefabricated sandwich side fascia of upper and lower layer, when building laminated floor slab in-situ layer concrete, easily cause the spillage of horizontal aspect, pollute the exterior facing 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 existed for prior art executes 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 process and constructing operation, improve efficiency of construction.
The technical scheme that the present invention adopts for its technical problem of solution is: the new node being provided with the prefabricated sandwich side fascia of multiple shear connector for interior impeller and superposed beam in-situ layer junction, provides a kind of construction method of connected node of prefabricated sandwich side fascia.When being connected with superposed beam by prefabricated sandwich side fascia, its concrete steps are as follows:
S1, lifting locate 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, shaping;
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, when 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 place shear connector additional bar in step s 5, be positioned in shearing keyway by shear connector additional bar one end, 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 superposed beam and laminated floor slab, 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 being fixed on by 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, by frame force rib through the connecting strand stretched 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 is shaping; 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, also comprise in step S7 and place shear connector additional bar, be positioned in shearing keyway by shear connector additional bar one end, the other end is placed in laminated floor slab in-situ layer through superposed beam frame force rib bottom.
The construction method implementing the connected node of the prefabricated sandwich side fascia of the present invention has following beneficial effect: avoid in prior art the operation needing the overhanging anchor bar bending prefabricated sandwich side fascia at the construction field (site), simplify the process of reinforcing bar in transport and work progress, improve efficiency of construction.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the 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, 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.
Detailed description of the invention
The construction method of the connected node of the prefabricated sandwich side fascia of this preferred embodiment, for the construction method of installation of 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 arranging shearing keyway with superposed beam in-situ layer junction at interior impeller, superposed beam in-situ layer arranges with interior impeller shear connector groove opposite position place the shear connector matched with shearing keyway, 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, along the lower edge lower than shearing keyway in prefabricated sandwich side fascia on superposed beam preformed layer, to install the fixed support of superposed beam horizontal direction, be fixed on by superposed beam on prefabricated sandwich side fascia, S3, lifting laminated floor slab, be erected at on the superposed beam of the prefabricated relative side of sandwich side fascia by laminated floor slab, S4, the connecting strand pulled out in all shearing keyways of prefabricated sandwich side fascia, by frame force rib successively through described connecting strand, be then fixedly connected with the stirrup of frame force rib with superposed beam in-situ layer, S5, placement shear connector additional bar, shear connector additional bar one end is placed in shearing keyway, and the other end is placed in laminated floor slab in-situ layer through below superposed beam frame force rib, S6, arrange the reinforced mesh of laminated floor slab in-situ layer, build the concrete in the in-situ layer of superposed beam and laminated floor slab and shearing keyway, maintenance is shaping, S7, unload prefabricated sandwich side fascia base positioner and bearing diagonal.
This preferred embodiment describes construction method when prefabricated sandwich side fascia is connected with same floor plate, for the building structure exceeding 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, comprise the following steps:
S0, superposed beam is set comprises preformed layer and in-situ layer, prefabricated sandwich side fascia is set and comprises the interior impeller that outer impeller, insulation layer and connection are arranged on superposed beam side, upper in arranging shearing keyway with superposed beam in-situ layer junction at interior impeller, superposed beam in-situ layer arranges with interior impeller shear connector groove opposite position place the shear connector matched with shearing keyway;
S1, lifting locate 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, shaping;
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 comprise step S4, lifting and location laminated floor slab, then enter step S5 after described step S3;
Also comprise step S6 after described step S5, place the in-situ layer reinforcing bar of laminated floor slab, then enter step S7;
Also comprise step S8 after described step S7, build laminated floor slab 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 to locate the vertical position of superposed beam, fixed support is set to locate the horizontal level of superposed beam.
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, being equipped with one end in each described shearing keyway, to be embedded in the other end in interior impeller 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 the connecting strand in prefabricated sandwich side fascia in each shearing keyway, 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, be placed in shearing keyway one end of shear connector additional bar, and the other end is placed on below superposed beam frame force rib.
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 extending to laminated floor slab in-situ layer below superposed beam frame force rib.
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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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| CN104074359A CN104074359A (en) | 2014-10-01 |
| CN104074359B true CN104074359B (en) | 2016-04-20 |
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| 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 |
| CN106193116B (en) * | 2016-08-31 | 2019-02-19 | 长沙远大住宅工业集团股份有限公司 | Overlap assembled underground pipe gallery wallboard positioning device |
| 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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| 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 |
| CN102747780B (en) * | 2012-06-28 | 2014-03-12 | 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 |
| CN103628594B (en) * | 2013-12-16 | 2016-05-11 | 长沙远大住宅工业集团有限公司 | Prefabricated sandwich overlapped shear wall continuity reinforcement(bar) is equal to cast-in-place shear wall structure |
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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. |