CN102936958A - Construction method for positioning upper reinforcements of concrete floor slab by using tool type supports - Google Patents
Construction method for positioning upper reinforcements of concrete floor slab by using tool type supports Download PDFInfo
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- CN102936958A CN102936958A CN2012104871322A CN201210487132A CN102936958A CN 102936958 A CN102936958 A CN 102936958A CN 2012104871322 A CN2012104871322 A CN 2012104871322A CN 201210487132 A CN201210487132 A CN 201210487132A CN 102936958 A CN102936958 A CN 102936958A
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Abstract
The invention discloses a construction method for positioning upper reinforcements of a concrete floor slab by using tool type supports, and the method comprises the following steps of: A, fabricating the tool type supports: bending a plurality of reinforcements into triangular supports, distributing the plurality of formed reinforcements at intervals, and connecting a steel angle to the joint of each reinforcement bent into the triangular support to form a triangular truss, wherein support cushion blocks are arranged at the lower two ends of the bottom surface of the triangular truss, respectively, and a floor slab protective layer limiting reinforcement is arranged below the bottom surface of the triangular truss; B, strapping the concrete floor slab reinforcements to form a reinforcement net; and C, mounting the tool type supports: connecting the plurality of tool type supports fabricated in the step A with the concrete floor slab reinforcement net fabricated in the step B; and after the step C is completed, paving a working surface on the plurality of tool type supports so that workers can perform concreting construction work on the reinforcement net on the working surface. The method provided by the invention can be used for guaranteeing the thickness of the protective layer of the upper reinforcements of the floor slab, improving the construction progress and saving the engineering cost.
Description
Technical field
The present invention relates to technical field of building construction, particularly a kind of tool-type support is located the job practices of concrete floor upper reinforcement.
Background technology
Along with the development in epoch, architectural engineering construction technique becomes better and approaching perfection day by day, and in the construction work concrete pouring construction, especially in the concrete floor slab construction, people day by day pay attention to floor upper reinforcement topping problem in the construction.Traditional stool iron supports both uneconomical, and the floor upper reinforcement is trampled easily distortion, sunk in work progress, a large amount of floor upper reinforcement protective layer thickness occur and does not meet the design specifications requirement, affects construction quality and efficient, has increased cost.
Summary of the invention
The object of the invention is to overcome existing above-mentioned deficiency in the prior art, a kind of job practices that guarantees the tool-type support location concrete floor upper reinforcement of floor upper reinforcement protective layer thickness, accelerating construction progress, saving engineering cost is provided.
In order to realize the foregoing invention purpose, the invention provides following technical scheme:
The job practices of a kind of tool-type support location concrete floor upper reinforcement, the method comprises the steps:
A, tools cribbing: a plurality of reinforcing bars are bent into triangular supports, spaced apart a plurality of triangular supports that form, connect angle steel formation triangular truss at each junction surface that is bent into the reinforcing bar of triangular supports again, two ends, below, described triangular truss bottom surface are the placing rack cushion block respectively, and below, described triangular truss bottom surface also arranges the protective layer of floor slab limit steel bar; Wherein, the thickness of described support cushion block is not less than the thickness of concrete floor;
B, colligation concrete floor steel bar form steel mesh reinforcement, and there are not sequencing in this step B and steps A;
C, erecting tools cribbing: the concrete floor steel bar net that makes among the tool-type support that makes in a plurality of steps A and the step B is connected, and described a plurality of tool-type supports are evenly spaced apart in the concrete floor steel bar net;
D, concreting: lay work plane at described a plurality of evenly tool-type supports in the concrete floor steel bar net spaced apart after step C finishes, operating personnel carry out the concrete construction operation to described concrete floor steel bar net on this work plane.
Wherein, described step B is specially: first colligation floor reinforcement is after by the spacing of design drawing regulation reinforcing bar being well placed, firm with the colligation of floor reinforcement; Colligation floor upper reinforcement again is after by the spacing of design drawing regulation reinforcing bar being well placed, with the handling reinforcement phase colligation of floor upper reinforcement with beam; After the colligation of floor upper reinforcement is complete, with the colligation of described floor upper reinforcement phase, form complete steel mesh reinforcement after the distribution reinforcement on floor top is well placed by the spacing of drawing regulation; Wherein, the floor upper reinforcement is close to the distribution reinforcement top that is positioned at floor top.
Described step C is specially:, the floor upper reinforcement is close to below the described protective layer of floor slab limit steel bar during colligation the distribution reinforcement phase colligation of this tool-type support with the concrete floor steel bar net by the protective layer of floor slab limit steel bar in the tool-type support.
Described triangular truss comprises the triangular supports that angle steel and a plurality of φ 16 bar one-times are bent to form, and each junction surface that is bent to form φ 16 reinforcing bars of triangular supports is welded in described angle steel inboard, and described a plurality of triangular supports are evenly spaced apart.
Described a plurality of triangular supports evenly distance spaced apart is 400mm.
The limit steel bar of described protective layer of floor slab is welded in middle, a plurality of described even triangular supports spaced apart below.
The limit steel bar of described protective layer of floor slab is the reinforcing bar of φ 14.
The thickness of described support cushion block equates with the thickness of described concrete floor.
Described support cushion block is provided be used to the connector that connects described triangular truss.
Described connector is the iron wire that is embedded in the described support cushion block.
Compared with prior art, beneficial effect of the present invention:
The inventive method when construction by this tool-type support to the concrete floor steel bar net colligation fix; guarantee the lashing location of floor upper reinforcement; the thickness of support cushion block is not less than the thickness of concrete floor described to be built; guarantee that floor upper reinforcement protective layer thickness meets the design specifications requirement; simultaneously lay work plane at the tool-type support; the workman is operation on work plane, can avoid trampling problems such as causing the flexural deformation of floor upper reinforcement and sinking because of the operator in the concreting process.
Description of drawings:
Fig. 1 is the inventive method flow chart.
Fig. 2 is tool-type support in the specific embodiment of the invention and the syndeton schematic diagram of steel mesh reinforcement.
Fig. 3 is the partial structurtes schematic diagram of Fig. 2.
Mark among the figure: 1-angle steel, 2-triangular supports, 3-protective layer of floor slab limit steel bar, 4-support cushion block, 5-distribution reinforcement, 6-upper reinforcement, 7-steel mesh reinforcement, 8-reinforcement, 9-work plane.
The specific embodiment
The present invention is described in further detail below in conjunction with test example and the specific embodiment.But this should be interpreted as that the scope of the above-mentioned theme of the present invention only limits to following embodiment, all technology that realizes based on content of the present invention all belong to scope of the present invention.
Referring to Fig. 1, Fig. 2 and Fig. 3, the job practices of tool-type support of the present invention location concrete floor upper reinforcement comprises the steps:
A, tools cribbing: a plurality of reinforcing bars are bent into triangular supports 2, spaced apart a plurality of triangular supports 2 that form, connect an angle steel 1 formation triangular truss at each junction surface that is bent into the reinforcing bar of triangular supports 2 again, two ends, below, described triangular truss bottom surface are placing rack cushion block 4 respectively, and below, described triangular truss bottom surface also arranges protective layer of floor slab limit steel bar 3; Wherein, the thickness of described support cushion block 4 is not less than the thickness of concrete floor;
B, colligation concrete floor steel bar form steel mesh reinforcement 7, and there are not sequencing in this step B and steps A;
C, erecting tools cribbing: the concrete floor steel bar net 7 that makes among the tool-type support that makes in a plurality of steps A and the step B is connected, and described a plurality of tool-type supports are evenly spaced apart in concrete floor steel bar net 7;
D, concreting: lay work plane 9 at described a plurality of evenly tool-type supports in concrete floor steel bar net 7 spaced apart after step C finishes, operating personnel carry out the concrete construction operation to described concrete floor steel bar net 7 on this work plane 9.Position and the tie wire that should note floor bar during concreting have or not situation about getting loose.Be shifted such as reinforcing bar, should have in time corrected; Iron wire is as getting loose, then use immediately new iron wire instead after, with its tighten.Adopt this tool-type support to avoid the floor upper reinforcement trampled the problems such as the reinforcing bar sinking that causes, flexural deformation, accelerating construction progress, save engineering cost.
Wherein, described step B is specially: first colligation floor reinforcement 8 is after by the spacing of design drawing regulation reinforcing bar being well placed, firm with 8 colligations of floor reinforcement; Colligation floor upper reinforcement 6 again is after by the spacing of design drawing regulation reinforcing bar being well placed, with the handling reinforcement phase colligation of floor upper reinforcement 6 with beam; After 6 colligations of floor upper reinforcement are complete, with described floor upper reinforcement 6 phase colligations, form complete steel mesh reinforcement 7 after the distribution reinforcement 5 on floor top is well placed by the spacing of drawing regulation; Wherein, floor upper reinforcement 6 is close to the top of the distribution reinforcement 5 that is positioned at floor top.
Described step C is specially: by the protective layer of floor slab limit steel bar 3 in the tool-type support with the distribution reinforcement 5 phase colligations of this tool-type support with concrete floor steel bar net 7; during colligation floor upper reinforcement 6 is close to described protective layer of floor slab limit steel bar 3 belows, thereby guarantees the protective layer thickness of floor upper reinforcement 6.
Referring to Fig. 2, triangular truss in the described tool-type support comprises the triangular supports 2 that angle steel 1 and a plurality of φ 16 bar one-times are bent to form, each junction surface that is bent to form φ 16 reinforcing bars of triangular supports 2 is welded in described angle steel 1 inboard, and described a plurality of triangular supports 2 are evenly spaced apart.Described a plurality of triangular supports 2 even distances spaced apart are 400mm.In order further to guarantee the stability of triangular truss, improve construction safety, the junction surface of each the triangular supports reinforcing bar in the described triangular truss is welded with a rinforcement bar between centre position, triangular supports reinforcing bar bottom.The limit steel bar 3 of described concrete floor topping is welded in middle, a plurality of described triangular supports 2 below, the height of the position of reinforcing bar and assurance reinforcing bar binding during with the control assembling reinforcement.The limit steel bar 3 of described concrete floor topping is the reinforcing bar of φ 14.The thickness of described support cushion block 4 equates with the thickness of described concrete floor.Described support cushion block 4 is provided be used to the connector (not shown) that connects described triangular truss.Described connector is the iron wire that is embedded in the described support cushion block 4, by this iron wire support cushion block 4 and triangular truss colligation is fixed, and guarantees that triangular truss is without inclination.Wherein, the size that described support cushion block 4 is made support cushion block 4 according to spacing and the field condition of the floor reinforcement of drawing regulation, the height of support cushion block 4 is the thickness of floor, should guarantee the planeness of its upper surface during making, before the surface is closed flat, pre-buried two 18# iron wires are so that fixed triangle shape truss.
After the method step D concreting, when treating that concrete reaches initial set, dismountable construction working face.Should be from beginning dismounting on one side during dismounting.After the tool-type support removed, repaired and wipe one's face at reply concrete surface hole place.Concrete maintenance should in time be carried out according to field condition.In complete 12 hours of concreting, concrete is covered and moisture-keeping maintaining.
During the inventive method construction; first with floor reinforced bar mesh colligation moulding; the steel mesh reinforcement that colligation is good links to each other with a plurality of evenly tool-type support colligations in this steel mesh reinforcement plane spaced apart again; by a plurality of evenly tool-type supports spaced apart the distribution reinforcement colligation of concrete floor is fixed; thereby guarantee the lashing location of floor upper reinforcement and guarantee floor upper reinforcement protective layer thickness; the thickness of support cushion block is not less than the thickness of concrete floor described to be built; guarantee that floor upper reinforcement protective layer thickness meets the design specifications requirement; simultaneously lay work plane at a plurality of tool-type supports spaced apart; the workman is operation on work plane, can avoid trampling problems such as causing the flexural deformation of floor upper reinforcement and sinking because of the operator in the concreting process.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the job practices of a tool-type support location concrete floor upper reinforcement is characterized in that the method comprises the steps:
A, tools cribbing: a plurality of reinforcing bars are bent into triangular supports, spaced apart a plurality of triangular supports that form, connect angle steel formation triangular truss at each junction surface that is bent into the reinforcing bar of triangular supports again, two ends, below, described triangular truss bottom surface are the placing rack cushion block respectively, and below, described triangular truss bottom surface also arranges the protective layer of floor slab limit steel bar; Wherein, the thickness of described support cushion block is not less than the thickness of concrete floor;
B, colligation concrete floor steel bar form steel mesh reinforcement, and there are not sequencing in this step B and steps A;
C, erecting tools cribbing: the concrete floor steel bar net that makes among the tool-type support that makes in a plurality of steps A and the step B is connected, and described a plurality of tool-type supports are evenly spaced apart in the concrete floor steel bar net;
D, concreting: lay work plane at described a plurality of evenly tool-type supports in the concrete floor steel bar net spaced apart after step C finishes, operating personnel carry out the concrete construction operation to described concrete floor steel bar net on this work plane.
2. tool-type support according to claim 1 is located the job practices of concrete floor upper reinforcement, it is characterized in that, described step B is specially: first colligation floor reinforcement is after by the spacing of design drawing regulation reinforcing bar being well placed, firm with the colligation of floor reinforcement; Colligation floor upper reinforcement again is after by the spacing of design drawing regulation reinforcing bar being well placed, with the handling reinforcement phase colligation of floor upper reinforcement with beam; After the colligation of floor upper reinforcement is complete, with the colligation of described floor upper reinforcement phase, form complete steel mesh reinforcement after the distribution reinforcement on floor top is well placed by the spacing of drawing regulation; Wherein, the floor upper reinforcement is close to the distribution reinforcement top that is positioned at floor top.
3. tool-type support according to claim 2 is located the job practices of concrete floor upper reinforcement; it is characterized in that; described step C is specially:, the floor upper reinforcement is close to below the described protective layer of floor slab limit steel bar during colligation the distribution reinforcement phase colligation of this tool-type support with the concrete floor steel bar net by the protective layer of floor slab limit steel bar in the tool-type support.
4. according to claim 1 and 2 or the job practices of 3 described tool-type supports location concrete floor upper reinforcements, it is characterized in that, described triangular truss comprises the triangular supports that angle steel and a plurality of φ 16 bar one-times are bent to form, each junction surface that is bent to form φ 16 reinforcing bars of triangular supports is welded in described angle steel inboard, and described a plurality of triangular supports are evenly spaced apart.
5. tool-type support according to claim 4 is located the job practices of concrete floor upper reinforcement, it is characterized in that, described a plurality of triangular supports evenly distance spaced apart are 400mm.
6. tool-type support according to claim 5 is located the job practices of concrete floor upper reinforcement, it is characterized in that, the limit steel bar of described protective layer of floor slab is welded in middle, a plurality of described even triangular supports spaced apart below.
7. tool-type support according to claim 6 is located the job practices of concrete floor upper reinforcement, it is characterized in that the limit steel bar of described protective layer of floor slab is the reinforcing bar of φ 14.
8. according to claim 5 or the job practices of 6 or 7 described tool-type supports location concrete floor upper reinforcements, it is characterized in that the thickness of described support cushion block equates with the thickness of described concrete floor.
9. tool-type support according to claim 8 is located the job practices of concrete floor upper reinforcement, it is characterized in that described support cushion block is provided be used to the connector that connects described triangular truss.
10. tool-type support according to claim 9 is located the job practices of concrete floor upper reinforcement, it is characterized in that described connector is the iron wire that is embedded in the described support cushion block.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210487132.2A CN102936958B (en) | 2012-11-26 | 2012-11-26 | Construction method for positioning upper reinforcements of concrete floor slab by using tool type supports |
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| CN201210487132.2A CN102936958B (en) | 2012-11-26 | 2012-11-26 | Construction method for positioning upper reinforcements of concrete floor slab by using tool type supports |
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| CN102936958B CN102936958B (en) | 2014-09-03 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103266770A (en) * | 2013-06-09 | 2013-08-28 | 江苏南通六建建设集团有限公司 | Construction process of multi-layer sheet type sectional steel frame concrete combined structure |
| CN103470039A (en) * | 2013-09-13 | 2013-12-25 | 中国建筑第七工程局有限公司 | Cast-in-site floor board comprehensive steel frame and construction method |
| CN104675020A (en) * | 2015-02-16 | 2015-06-03 | 中交一航局第一工程有限公司 | Stiff skeleton and method for controlling steel bar binding precision of large member by using stiff skeleton |
| CN106088607A (en) * | 2016-08-16 | 2016-11-09 | 中国建筑第七工程局有限公司 | A kind of cast-in-situ floor is multi-functional, can turnaround operation platform and construction thereof |
| CN113137065A (en) * | 2021-05-06 | 2021-07-20 | 中国二十二冶集团有限公司 | Cast-in-place board standard architecture construction controlling means |
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| CN1214098A (en) * | 1996-02-26 | 1999-04-14 | 泰克诺帕克有限公司 | Concrete wall formwork |
| CN1364966A (en) * | 2002-02-07 | 2002-08-21 | 王立久 | Combined building formwork net with tie bars |
| CN1963045A (en) * | 2006-11-03 | 2007-05-16 | 北京工业大学 | Reinforced concrete bearing platform arranged with diagonal reinforcing steel and method for manufacturing same |
| CN102733603A (en) * | 2012-06-05 | 2012-10-17 | 中铁十八局集团有限公司 | Construction method for irregular floors with large span by utilizing high-strength steel strands |
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2012
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1214098A (en) * | 1996-02-26 | 1999-04-14 | 泰克诺帕克有限公司 | Concrete wall formwork |
| CN1364966A (en) * | 2002-02-07 | 2002-08-21 | 王立久 | Combined building formwork net with tie bars |
| CN1963045A (en) * | 2006-11-03 | 2007-05-16 | 北京工业大学 | Reinforced concrete bearing platform arranged with diagonal reinforcing steel and method for manufacturing same |
| CN102733603A (en) * | 2012-06-05 | 2012-10-17 | 中铁十八局集团有限公司 | Construction method for irregular floors with large span by utilizing high-strength steel strands |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103266770A (en) * | 2013-06-09 | 2013-08-28 | 江苏南通六建建设集团有限公司 | Construction process of multi-layer sheet type sectional steel frame concrete combined structure |
| CN103470039A (en) * | 2013-09-13 | 2013-12-25 | 中国建筑第七工程局有限公司 | Cast-in-site floor board comprehensive steel frame and construction method |
| CN104675020A (en) * | 2015-02-16 | 2015-06-03 | 中交一航局第一工程有限公司 | Stiff skeleton and method for controlling steel bar binding precision of large member by using stiff skeleton |
| CN106088607A (en) * | 2016-08-16 | 2016-11-09 | 中国建筑第七工程局有限公司 | A kind of cast-in-situ floor is multi-functional, can turnaround operation platform and construction thereof |
| CN113137065A (en) * | 2021-05-06 | 2021-07-20 | 中国二十二冶集团有限公司 | Cast-in-place board standard architecture construction controlling means |
| CN113137065B (en) * | 2021-05-06 | 2024-05-10 | 中国二十二冶集团有限公司 | Cast-in-situ slab standard structure construction control device |
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| CN102936958B (en) | 2014-09-03 |
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