CN101892742A - High low building-cross deformation joint low section shear wall construction method - Google Patents
High low building-cross deformation joint low section shear wall construction method Download PDFInfo
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- CN101892742A CN101892742A CN 201010204146 CN201010204146A CN101892742A CN 101892742 A CN101892742 A CN 101892742A CN 201010204146 CN201010204146 CN 201010204146 CN 201010204146 A CN201010204146 A CN 201010204146A CN 101892742 A CN101892742 A CN 101892742A
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- 238000010276 construction Methods 0.000 title claims abstract description 27
- 230000003028 elevating effect Effects 0.000 claims description 25
- 230000002787 reinforcement Effects 0.000 claims description 23
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 3
- 238000011017 operating method Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 3
- 239000010959 steel Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 239000000725 suspension Substances 0.000 abstract 3
- 229920006389 polyphenyl polymer Polymers 0.000 description 12
- 230000006378 damage Effects 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The invention discloses a high low building-cross deformation joint low section shear wall construction method. Firstly a suspension device is fixed on the high section completed section shear wall at one side of the deformation joint, the suspension device is provided with a hoisting mechanism; a tower crane is utilized to hoist an outer mould board to the nearby of the hoisting mechanism, and then the outer mould board is suspended on the hoisting mechanism; a plurality of steel bars are arranged below the low section shear wall to be poured, the outer mould board is vertically placed on the steel bar by virtue of the hoisting mechanism; then an inner mould board is mounted, the inner mould board and the outer mould board are arranged in parallel, and finally concrete pouring is carried out between the outer mould board and the inner mould board, concrete is solidified, and then construction of operation layer deformation joint low section shear wall is completed. The invention has the advantages that the outer mould board in the deformation joint is hoisted by adopting the suspension device fixed on the high section completed shear wall and a hoisting tool, the difficulty that the tower crane can not hoist the outer mould board at the deformation joint is solved, and hoisting is carried out when construction of every layer is completed, construction process is greatly simplified, working efficiency is improved, and handlabor is reduced.
Description
Technical field
The invention belongs to technical field of building construction, be specifically related to a kind of job practices of high low building-cross deformation joint low section shear wall.
Background technology
In order to prevent and avoid the generation of building cracks and destruction, generally building unit is vertically disconnected at these sensitive parts, reserve certain slit, building is divided into some independent parts, the rigidity unit that forms the energy Free Transform and be independent of each other, this reserving gaps that the building disposal is separated is called deformation joint.In high-level structure, the deformation joint width is generally 20-35 centimetres, and the deformation joint both sides are shear wall.
Contour or differ structure for the deformation joint both sides into one deck, take the built-in deformation joint of large form to construct, promptly earlier large form is hung in the construction of finishing deformation joint one side shear wall in the deformation joint with tower crane, with tower crane it is hung out after the form removal and hang in the large form that matches with deformation joint opposite side shear wall again, finish the construction of opposite side shear wall.And differ structure more than two floor (height is striden the building) for the deformation joint both sides, because deformation joint structure on two sides weight differs bigger, the sedimentation difference, so can not begin construction simultaneously to the shear wall of deformation joint both sides, in order to guarantee shear wall structure on two sides sedimentation unanimity, the job practices that is adopted is: if the structure of design variations seam both sides differs the layer into N, the N layer of earlier the high segment structure of deformation joint one side being constructed, begin then the low segment structure of deformation joint opposite side is begun the construction of first floor, when lower section first floor being constructed, high segment structure N+1 layer is constructed, when the lower section second layer being constructed, high segment structure N+2 layer is constructed ..., by that analogy, finish up to whole high-level structure construction.That is to say, when the lower segment structure M layer of deformation joint being constructed, the N+M layer of the high segment structure of deformation joint is constructed, the structure that remains the deformation joint both sides differs the N layer, up to finishing of whole building, can prevent that so just crack or destruction from appearring in the building structure basis.The shear wall structure on two sides is being carried out in the while work progress, large form need be built in the deformation joint low section shear wall is constructed, but because high segment structure is provided with outrigger, cause tower crane to be difficult to large form is hung in deformation joint, even hanging in deformation joint also can't build at low section shear wall concrete and large form is hung out after finishing, and the volume of large form (length is 2-3m, width is 0.5-6m, thickness be 15-18cm) and weight (0.2t-2t) very big is by manually realizing.At this situation, the measure that prior art is taked is, in deformation joint, fill polyphenyl plate, utilize the polyphenyl plate alternate template that low section shear wall is constructed, cause the construction quality of shear wall to be difficult to guarantee, also polyphenyl plate cost height, in addition for high-level structure, effective amplitude of oscillation of building structure can cause building cracks and destruction when the filling polyphenyl plate can seriously hinder earthquake in the deformation joint.
Summary of the invention
The object of the invention provides a kind of job practices of high low building-cross deformation joint low section shear wall, solve prior art and in deformation joint, fill the polyphenyl plate low section shear wall of constructing, after low section shear wall has been constructed, polyphenyl plate can't be taken out, when the building amplitude of oscillation, can cause the problem of crack and destruction.
The technical solution adopted in the present invention is, a kind of job practices of high low building-cross deformation joint low section shear wall comprises following operating procedure,
Step 1,
Finished on the shear wall fixedly erecting by overhang in the high section of deformation joint one side, elevating mechanism has been set on erecting by overhang; The height of erecting by overhang is higher than the top that the low section of deformation joint opposite side waits to build shear wall;
Step 2,
With tower crane exterior sheathing is winched near the elevating mechanism, again exterior sheathing is hung on the elevating mechanism;
Step 3,
Wait to build the shear wall lower horizontal in the low section of deformation joint many bar reinforcements are set; Vertically be placed on exterior sheathing on the bar reinforcement by elevating mechanism; The upper end ratio shear wall to be built of exterior sheathing exceeds 15cm～30cm, and the lower end ratio waits to build the low 5cm～20cm in shear wall bottom;
Step 4,
After treating that exterior sheathing is interim in place, colligation shear force wall reinforcing steel bar to be built winches to work layer with tower crane with inner formword again, makes inner formword and exterior sheathing be the opposing parallel setting; Inner formword is supported on the ground of work layer, then exterior sheathing and inner formword is fixed with through-wall bolt, guarantee that two templates are simultaneously perpendicular to horizontal plane; Distance between exterior sheathing and the inner formword is the thickness of waiting to build shear wall;
Step 5,
After exterior sheathing and inner formword fix, exterior sheathing is shed from elevating mechanism, finished in exterior sheathing and high section again a support member has been set between the shear wall at least, carrying out concrete then between exterior sheathing and inner formword builds, after concrete solidifies, remove through-wall bolt, inner formword is hung out, finish the construction of the low section shear wall of this work layer deformation joint; On this work layer, install top board, assembling reinforcement then, build the top board concrete;
Step 6,
After treating that this work layer top board concrete solidifies, erecting by overhang and elevating mechanism upwards moved to few one deck and be fixed on high section finished on the shear wall, shed support member, by elevating mechanism exterior sheathing is upwards promoted one deck at least, the low section shear wall upper level of having finished construction at deformation joint is provided with many bar reinforcements then, vertically be placed on exterior sheathing on the bar reinforcement again, repeating step 4 and step 5 then, finish the construction of the low section shear wall of higher level deformation joint, up to the construction of finishing whole low segment structure.
Wherein, between bar reinforcement and exterior sheathing bottom, cushion block is set.
The invention has the beneficial effects as follows, employing is fixed on high section erecting by overhang and the elevating mechanism of having finished on the shear wall and promotes the interior exterior sheathing of deformation joint, solved the difficulty that tower crane can't lift the deformation joint inner and outer template, and construction one deck promotes once, simplified working procedure greatly, improve operating efficiency, alleviated hand labor.
Description of drawings
Fig. 1 is that the structural representation that polyphenyl plate is come the low section shear wall in construction Deformation seam place is filled in the prior art utilization in deformation joint;
The mounting structure schematic diagram of Fig. 2 exterior sheathing that is job practices of the present invention before low section shear wall is built to deformation joint and inner formword;
Fig. 3 is the structural representation that job practices of the present invention utilizes exterior sheathing and inner formword that the low section shear wall of deformation joint is constructed;
Fig. 4 is that job practices of the present invention utilizes exterior sheathing that top board is carried out the structural representation that concrete is built.
Among the figure, 1. exterior sheathing, 2. inner formword, 3. through-wall bolt, 4. bar reinforcement, 5. cushion block, 6. support member, 7. erecting by overhang, 8. elevating mechanism, 9. polyphenyl plate, 10. high section has been finished shear wall, 11. deformation joints, 12. top boards.
The specific embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, prior art is filled polyphenyl plate 9 in deformation joint 11 when high low building-cross deformation joint low section shear wall is constructed, and utilizes polyphenyl plate 9 alternate template that low section shear wall is constructed.But after low section shear wall construct, because concrete lateral pressure and self expand can extruding polyphenyl plate 9, moreover the width of deformation joint 11 was narrow is 20-35 centimetres, and very difficult with polyphenyl plate 9 taking-ups after the concrete setting, the setting of deformation joint 11 is as illusory like this.
The invention discloses a kind of job practices, comprise following operating procedure at high low building-cross deformation joint low section shear wall:
Step 1,
As shown in Figure 2, earlier finished on the shear wall 10 fixedly erecting by overhang 7, as bracket, climbing frame guide bracket in the high section of deformation joint 11 1 sides; Elevating mechanism 8 is set then, as electric hoist, jack on erecting by overhang 7; The height of erecting by overhang 7 is higher than the top that the low section of deformation joint 11 opposite sides waits to build shear wall;
Step 2,
With tower crane exterior sheathing 1 is winched near the elevating mechanism 8, again exterior sheathing 1 is hung on the elevating mechanism 8; Exterior sheathing 1 can adopt pin-connected panel all steel large form or assembly unit wooden form;
Step 3,
If deformation joint 11 places low section shear wall to be built is a first floor, waiting that building shear wall bottom lower horizontal is provided with many bar reinforcements 4, bar reinforcement 4 is to be inserted in the through-wall bolt hole of leading wall top; If deformation joint 11 places low section shear wall to be built is M layer (M 〉=2), waiting that building shear wall bottom lower horizontal is provided with many bar reinforcements 4, bar reinforcement 4 is to be inserted in the through-wall bolt hole on low section shear wall top, M-1 layer deformation joint 11 places; As shown in Figure 2, exterior sheathing 1 is hung in deformation joint 11 places, and exterior sheathing 1 vertically is placed on the bar reinforcement 4 as the external mold of waiting to build shear wall by elevating mechanism 8; Require the upper end ratio shear wall to be built of exterior sheathing 1 to exceed 15cm～30cm, the lower end ratio waits to build the low 5cm～20cm in shear wall bottom; The upper end ratio that exterior sheathing 1 is set waits to build the shear wall height, be because this shear wall finish build solidify after, to build the top board concrete on the shear wall top, so directly utilize exterior sheathing 1 to substitute the top board external mold, build the top board concrete and the top board external mold need not be set in addition than the section of exceeding of shear wall.The lower end that exterior sheathing 1 is set is than waiting that building the low reason in shear wall bottom is spillage when preventing to build the shear wall concrete.Can between bar reinforcement 4 and exterior sheathing 1 bottom cushion block 5 be set, be used for adjusting exterior sheathing 1 and wait to build relative position between the shear wall, cushion block 5 can adopt the lumps of wood;
Step 4,
After treating that exterior sheathing 1 is interim in place, colligation shear force wall reinforcing steel bar to be built winches to work layer with tower crane with inner formword 2 again, makes inner formword 2 and exterior sheathing 1 be the opposing parallel setting, as the internal mold of waiting to build shear wall.As shown in Figure 2, inner formword 2 is supported on the ground of work layer, then that exterior sheathing 1 and inner formword 2 usefulness through-wall bolts 3 is fixing, the relative position and the verticality of adjustment exterior sheathing 1 and inner formword 2 guarantee that two templates are simultaneously perpendicular to horizontal plane; Distance between exterior sheathing 1 and the inner formword 2 is the thickness of waiting to build shear wall;
Step 5,
As shown in Figure 3, after exterior sheathing 1 and inner formword 2 fix, exterior sheathing 1 is shed from elevating mechanism 8, finished the plumbness that a support member 6 assurance exterior sheathings 1 are set between the shear wall 10 at least at exterior sheathing 1 and high section, build carrying out concrete between exterior sheathing 1 and the inner formword 2 then, treat that concrete solidifies after, remove through-wall bolt 3, inner formword 2 is hung out, finish the construction of the low section shear wall in these work layer deformation joint 11 places; As shown in Figure 4, install top board 12, assembling reinforcement then on this work layer, utilize exterior sheathing 1 to build the top board concrete than the section of exceeding of shear wall, when building the top board concrete, the setting of support member 6 has prevented the inclination of exterior sheathing 1; Support member 6 can adopt the lumps of wood;
Step 6,
After treating that work layer top board concrete solidifies, with move up at least one deck and be fixed on high section and finished on the shear wall 10 of erecting by overhang 7 and elevating mechanism 8, shed support member 6, exterior sheathing 1 is hung on the elevating mechanism 8, by elevating mechanism 8 exterior sheathing 1 is upwards promoted one deck at least, then the low section shear wall upper level of having finished construction at deformation joint 11 places many bar reinforcement 4(bar reinforcements 4 are set is to be inserted in deformation joint 11 places to have finished in through-wall bolt 3 holes on the low section shear wall top of construction), again exterior sheathing 1 vertically is placed on the bar reinforcement 4, require the upper end ratio shear wall to be built of exterior sheathing 1 to exceed 15cm～30cm, the lower end ratio waits to build the low 5cm～20cm in shear wall bottom; Repeating step 4 and step 5 are finished the construction of the low section shear wall in higher level deformation joint 11 places then, and so circulation is up to the construction of finishing whole low segment structure.
After treating that low segment structure maximum layer top board concrete construction finishes, utilize erecting by overhang 7 and elevating mechanism 8 that exterior sheathing 1 is proposed deformation joint again, with tower crane it is hung away again, shed erecting by overhang 7 at last.
Claims (2)
1. the job practices of a high low building-cross deformation joint low section shear wall is characterized in that: comprise following operating procedure,
Step 1,
Finished shear wall (10) in the high section of deformation joint (11) one sides and gone up fixedly erecting by overhang (7), elevating mechanism (8) has been set on erecting by overhang (7); The height of described erecting by overhang (7) is higher than the top that the low section of deformation joint (11) opposite side waits to build shear wall;
Step 2,
With tower crane exterior sheathing (1) is winched near the elevating mechanism (8), again exterior sheathing (1) is hung on the elevating mechanism (8);
Step 3,
Locating low section at deformation joint (11) waits to build the shear wall lower horizontal many bar reinforcements (4) is set; By elevating mechanism (8) exterior sheathing (1) vertically is placed on the bar reinforcement (4); The upper end ratio shear wall to be built of described exterior sheathing (1) exceeds 15cm～30cm, and the lower end ratio waits to build the low 5cm～20cm in shear wall bottom;
Step 4,
After treating that exterior sheathing (1) is interim in place, colligation shear force wall reinforcing steel bar to be built winches to work layer with tower crane with inner formword (2) again, makes inner formword (2) and exterior sheathing (1) be the opposing parallel setting; Inner formword (2) is supported on the ground of work layer, then that exterior sheathing (1) and inner formword (2) is fixing with through-wall bolt (3), guarantee that two templates are simultaneously perpendicular to horizontal plane; Distance between exterior sheathing (1) and the inner formword (2) is the thickness of waiting to build shear wall;
Step 5,
After exterior sheathing (1) and inner formword (2) fix, exterior sheathing (1) is shed from elevating mechanism (8), finished in exterior sheathing (1) and high section again a support member (6) has been set between the shear wall (10) at least, carrying out concrete then between exterior sheathing (1) and inner formword (2) builds, after concrete solidifies, remove through-wall bolt (3), inner formword (2) is hung out, finish the construction that this work layer deformation joint (11) is located low section shear wall; On this work layer, install top board (12), assembling reinforcement then, build the top board concrete;
Step 6,
After treating that this work layer top board concrete solidifies, erecting by overhang (7) and elevating mechanism (8) upwards moved to few one deck and be fixed on high section finished on the shear wall (10), shed support member (6), by elevating mechanism (8) exterior sheathing (1) is upwards promoted one deck at least, the low section shear wall upper level of locating to finish construction at deformation joint (11) is provided with many bar reinforcements (4) then, again exterior sheathing (1) vertically is placed on the bar reinforcement (4), repeating step 4 and step 5 then, finish higher level deformation joint (11) and locate the construction of low section shear wall, up to the construction of finishing whole low segment structure.
2. according to the job practices of the described shear wall of claim 1, it is characterized in that: between bar reinforcement (4) and exterior sheathing (1) bottom, cushion block (5) is set.
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| CN201010204146XA CN101892742B (en) | 2010-06-21 | 2010-06-21 | High low building-cross deformation joint low section shear wall construction method |
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| CN201010204146XA CN101892742B (en) | 2010-06-21 | 2010-06-21 | High low building-cross deformation joint low section shear wall construction method |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102409851A (en) * | 2011-09-11 | 2012-04-11 | 中国十七冶集团有限公司 | Method for reinforcing telescopic supporting system for deformation joint template of shear wall structure |
| CN102720353A (en) * | 2012-05-17 | 2012-10-10 | 中建三局第二建设工程有限责任公司 | Post-construction one-side shear wall formwork for settlement joint of tower and construction method |
| CN102808508A (en) * | 2012-06-05 | 2012-12-05 | 中国建筑第四工程局有限公司 | Method for pouring reinforced concrete structure provided with deformation joint and deformation joint steel fly die template |
| CN102953546A (en) * | 2012-08-28 | 2013-03-06 | 中联世纪建设集团有限公司 | Construction method for mounting deformation joint template at double walls |
| CN103114725A (en) * | 2013-02-04 | 2013-05-22 | 中天建设集团有限公司 | Chuck type split bolt formwork erecting method |
| CN103174294A (en) * | 2013-03-18 | 2013-06-26 | 中天建设集团有限公司 | Method for wall one-sided form erecting construction at deformation joint position |
| CN103669655A (en) * | 2013-12-24 | 2014-03-26 | 山东万鑫建设有限公司 | Construction technology for pouring concrete of walls on two sides of deformation joint |
| CN109184204A (en) * | 2018-07-21 | 2019-01-11 | 筑梦高科建筑有限公司 | A kind of parallel demoulding mechanism of template for making building machine in the air |
| CN111910786A (en) * | 2020-08-10 | 2020-11-10 | 上海万科企业有限公司 | Construction method for clinging deformation joint of TOD upper cover plate structural column |
| CN113668844A (en) * | 2021-08-18 | 2021-11-19 | 廉江市第三建筑工程有限公司 | Construction method of novel combined wood formwork system of shear wall |
| CN114961234A (en) * | 2022-05-29 | 2022-08-30 | 中国五冶集团有限公司 | Shear wall formwork structure for deformation joint and construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102409851A (en) * | 2011-09-11 | 2012-04-11 | 中国十七冶集团有限公司 | Method for reinforcing telescopic supporting system for deformation joint template of shear wall structure |
| CN102720353A (en) * | 2012-05-17 | 2012-10-10 | 中建三局第二建设工程有限责任公司 | Post-construction one-side shear wall formwork for settlement joint of tower and construction method |
| CN102808508A (en) * | 2012-06-05 | 2012-12-05 | 中国建筑第四工程局有限公司 | Method for pouring reinforced concrete structure provided with deformation joint and deformation joint steel fly die template |
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| CN103114725A (en) * | 2013-02-04 | 2013-05-22 | 中天建设集团有限公司 | Chuck type split bolt formwork erecting method |
| CN103174294A (en) * | 2013-03-18 | 2013-06-26 | 中天建设集团有限公司 | Method for wall one-sided form erecting construction at deformation joint position |
| CN103669655A (en) * | 2013-12-24 | 2014-03-26 | 山东万鑫建设有限公司 | Construction technology for pouring concrete of walls on two sides of deformation joint |
| CN103669655B (en) * | 2013-12-24 | 2015-11-04 | 山东万鑫建设有限公司 | Deformation joint both walls body concrete pouring construction process |
| CN109184204A (en) * | 2018-07-21 | 2019-01-11 | 筑梦高科建筑有限公司 | A kind of parallel demoulding mechanism of template for making building machine in the air |
| CN111910786A (en) * | 2020-08-10 | 2020-11-10 | 上海万科企业有限公司 | Construction method for clinging deformation joint of TOD upper cover plate structural column |
| CN113668844A (en) * | 2021-08-18 | 2021-11-19 | 廉江市第三建筑工程有限公司 | Construction method of novel combined wood formwork system of shear wall |
| CN114961234A (en) * | 2022-05-29 | 2022-08-30 | 中国五冶集团有限公司 | Shear wall formwork structure for deformation joint and construction method |
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| CN101892742B (en) | 2011-10-26 |
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Address after: 710054 No. 68 Anton street, Shaanxi, Xi'an Patentee after: SHAANXI CONSTRUCTION ENGINEERING GROUP NO.3 BUILDING ENGINEERING Co.,Ltd. Address before: 710054 No. 68 Anton street, Shaanxi, Xi'an Patentee before: SHAANXI CONSTRUCTION ENGINEERING GROUP THIRD ENGINEERING Co.,Ltd. Address after: 710054 No. 68 Anton street, Shaanxi, Xi'an Patentee after: SCEGC NO.3 CONSTRUCTION ENGINEERING GROUP Co.,Ltd. Address before: 710054 No. 68 Anton street, Shaanxi, Xi'an Patentee before: SHAANXI CONSTRUCTION ENGINEERING GROUP NO.3 BUILDING ENGINEERING Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111026 |