CN103669880A - Hogging moment rebar suspension construction control protection layer device and construction method thereof - Google Patents
Hogging moment rebar suspension construction control protection layer device and construction method thereof Download PDFInfo
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- CN103669880A CN103669880A CN201310667437.6A CN201310667437A CN103669880A CN 103669880 A CN103669880 A CN 103669880A CN 201310667437 A CN201310667437 A CN 201310667437A CN 103669880 A CN103669880 A CN 103669880A
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- negative reinforcement
- tripod supporting
- supporting seat
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Abstract
The invention relates to a hogging moment rebar suspension construction control protection layer device and a construction method thereof. The device comprises tripod supporting bases, a horizontal fixing beam and a fixation binding line. The method includes the following steps that firstly, the thickness of a cast-in-place concrete plate is determined; secondly, the position and the use number of tripod supporting bases are determined and the tripod supporting bases are manufactured in batches; thirdly, the tripod supporting bases are placed in the middle of adjacent hogging moment rebar; fourthly, the horizontal fixing beam is arranged on the tripod supporting bases in an erected mode; fifthly, the hogging moment rebar is suspended on the horizontal fixing beam through the fixing binding line to be bound and fixed; sixthly, the surface of concrete on the lower portion of the horizontal fixing beam after casting is floated; seventhly, after concrete reaches the design strength, the upper portion horizontal fixing beam is detached. Compared with the prior art, the hogging moment rebar suspension construction control protection layer device and the construction method of the hogging moment rebar suspension construction control protection layer device have the advantages that the structure is simple and light, the device is convenient to use and low in investment cost and the situation that the position of the stressed rebar in a concrete structure is accurate and the thickness of the hogging moment rebar protection layer conforms to the requirements is effectively ensured.
Description
Technical field
The present invention relates to structure of reinforced concrete technical field in construction work, relate in particular to device and construction method thereof that a kind of negative reinforcement hangs construction control topping.
Background technology
In industry and civilian construction constructions, in concrete structure, accurately whether, whether plate negative reinforcement protective layer thickness meets the requirements, and directly affects structural-load-carrying capacity and durability in the position of steel bar stress.Thickness of concrete cover does not reach design standard and construction quality requirement, and the harm that may cause mainly contains: (1) reduces the design supporting capacity of structure, reduces the safety stock of structure; (2) cause the premature corrosion of reinforcing bar, cause the reduction of structural strength, rigidity and ductility; (3) reduce reinforcing bar and concrete glutinous viscous force and concrete fire endurance.
Because the construction of concrete cover belongs to concealed work, generally the off normal of reinforcing bar or the deviation of protective layer thickness are difficult to be found after concreting, also cannot remedy afterwards.In fact; the control of thickness of concrete cover is the weak link in Construction Quality management always; cause that the main cause of this present situation has that construction team's quality is lower, execution control level is not high, the lacking a sense of responsibility of supervisor, cloth muscle is unreasonable etc., takes scientific and reasonable technical measures also very important in this external construction method.
In the current construction work of China, the method for conventional control topping is before construction, to make concrete pad, during construction by cushion block colligation in negative reinforcement bottom, guarantee its protective layer thickness, this method shortcoming is more, and the one, will be through the curing time of 28 days in manufacturing process; The 2nd, the intensity of cushion block is low, and trampling when each professional operating personnel constructs after installing easily causes cushion block cracked; The 3rd, because cushion block and negative reinforcement net can not form integral body, the position of a large amount of negative reinforcements can produce skew when building, and causes rebar spacing to differ, and causes the unbalance stress of plate.
Summary of the invention
The invention provides device and construction method thereof that a kind of negative reinforcement hangs construction control topping; apparatus structure is simply light and handy; construction method is easy, and input cost is low, the position that can effectively guarantee steel bar stress in concrete structure accurately and negative reinforcement protective layer thickness meet the requirements.
In order to achieve the above object, the present invention realizes by the following technical solutions:
A kind of negative reinforcement hangs the device of construction control topping; comprise tripod supporting seat, horizontal fixed cross beam, fixing wiring; described tripod supporting seat bottom stable support triangular in shape; one section of brace summer of welding on it; described horizontal fixed cross beam is erected on the brace summer of tripod supporting seat; on horizontal fixed cross beam, hang several fixedly wirings, be used for fixedly negative reinforcement of colligation.
Described tripod supporting seat is formed by reinforcement fabrication, and its triangular support upper end is concentrated and is welded on brace summer, and three of bottoms fulcrum is along the circumferential direction uniformly distributed in same level.
Described horizontal fixed cross beam adopts steel pipe or the lumps of wood to make.
Described fixedly wiring adopts iron wire to make.
Negative reinforcement hangs a construction method for construction control topping, and the method comprises the steps:
1) according to design drawing, determine cast in place concrete plate body thickness;
2) according to the lashing location of negative reinforcement in design drawing, spacer conditions, determine position, the usage quantity of tripod supporting seat, batch making;
3), after cast-in-situ concrete plate body negative reinforcement colligation moulding, the tripod supporting seat of making moulding is placed into the centre position of adjacent negative reinforcement;
4) horizontal fixed cross beam two ends are set up on the tripod supporting seat having fixed;
5) by every negative reinforcement utilization fixedly the vertical suspention of wiring to colligation on horizontal fixed cross beam, fix, make it to form whole;
6) after cast-in-situ floor concreting completes, with wood float, horizontal fixed cross beam bottom concrete surface is floating;
7) when cast-in-situ floor concrete reaches after design strength, remove upper level fixed cross beam, finishing is rear for next time.
The device that cast in place concrete plate negative reinforcement hangs construction control topping should be set in described method continuously, and every group of device adopts a pair of tripod supporting seat and a horizontal fixed cross beam.
When being used, described tripod supporting seat determines height according to design thickness of slab, higher than structural slab upper surface 5mm.
When being used, described tripod supporting seat is placed into the centre position of adjacent negative reinforcement according to the spacing of 1.5-2m.
Compared with prior art, the invention has the beneficial effects as follows:
1. apparatus structure of the present invention is simply light and handy, utilizes General building construction material to make, and favourable reducing costs reduced auxiliary material and dropped into.
2. device of the present invention is easy to use, applies construction method of the present invention and can significantly improve construction speed, guarantees workmanship.
3. the present invention has overcome the low shortcoming of conventional cushion bulk strength, makes to form an integral network structure between negative reinforcement, has greatly strengthened the resistance to overturning of bar construction.
4. application device of the present invention and construction method construction, the position that can effectively guarantee steel bar stress in concrete structure accurately and negative reinforcement protective layer thickness meet the requirements
Accompanying drawing explanation
Fig. 1 is the structural representation of device of the present invention.
Fig. 2 is device tripod clamping support schematic diagram of the present invention.
Fig. 3 is device scheme of installation of the present invention.
Fig. 4 is the A-A sectional view of Fig. 3.
Fig. 5 is device integral construction operation schematic diagram of the present invention.
In figure: 1. fixing wiring 4. negative reinforcement 5. bottom layer of the reinforcing steel 6. side template 7. soffit formworks of the horizontal fixed cross beam 3. of tripod supporting seat 2.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further:
Seeing Fig. 1, is the structural representation of device of the present invention, comprises tripod supporting seat 1, horizontal fixed cross beam 2, fixing wiring 3.
Seeing Fig. 2, is device tripod clamping support schematic diagram of the present invention, and described tripod supporting seat 1 is formed by reinforcement fabrication, preferably
above reinforcing bar, its triangular support upper end is concentrated and is welded on brace summer, and bottom fulcrum is along the circumferential direction uniformly distributed in same level, bottom stable support triangular in shape;
Seeing Fig. 3-Fig. 4, is device scheme of installation of the present invention, and described horizontal fixed cross beam 2 adopts steel pipe or the lumps of wood to make, preferably
steel pipe, is erected on the brace summer of tripod supporting seat 1, hangs several fixedly wirings 3 on horizontal fixed cross beam 2, is used for fixedly negative reinforcement 4 of colligation, and fixedly wiring 3 adopts iron wires to make, preferably 22# lines.Tripod supporting seat 1 and horizontal fixed cross beam 2 are installed respectively after negative reinforcement 4 colligations of cast in place concrete plate complete, and tripod supporting seat 1 is fixed on the soffit formwork upper surface having propped up, and horizontal fixed cross beam 2 is fixed on tripod supporting seat 1.Tripod supporting seat 1 is placed into the centre position of adjacent negative reinforcement 4 according to the spacing of 1.5-2m, adjust spacing, and should arrange continuously according to site specific.
Seeing Fig. 5, is device integral construction operation schematic diagram of the present invention, and a kind of negative reinforcement of the present invention hangs the construction method of construction control topping, mainly comprises the steps:
1) tripod supporting seat 1, before making, calculates tripod supporting seat height according to concrete structure thickness of slab, and reinforcing bar is carried out to patch blanking, guarantees the consistent size of same pieces; Tripod supporting seat 1 makes that height should equal or a little more than plated construction layer upper surface 5mm, and the plate face after concrete of conveniently having built is floating, press polish;
2) according to computer setting-out angle, make mould, carry out tripod supporting seat 1 welding processing in batches;
3) soffit formwork 7 upper surfaces that installed at cast-in-place concrete structure floor, negative reinforcement 4 status requirements according to arrangement of reinforcement in structure design drawing, make a mark with unwrapping wire pen;
4), after cast-in-place concrete floor distribution bar and 3 colligations of top negative reinforcement, tripod supporting seat 1 is installed; Tripod supporting seat 1 is placed on the position of carrying out mark continuously, and guarantees that the tripod supporting seat 1 of having made moulding is placed into the centre position of adjacent negative reinforcement 4 according to the spacing of 1.5m-2mm;
6) ready horizontal fixed cross beam 2 two ends are set up on the tripod supporting seat 1 having fixed;
7) every negative reinforcement 4 is utilized fixedly wiring 3 vertically to suspend in midair to colligation on horizontal fixed cross beam 2 and fix, make to form overall structure between negative reinforcement 4;
8) after cast-in-situ floor concreting completes, with wood float, horizontal fixed cross beam 2 bottom concrete surfaces are floating;
9) cast-in-situ floor concrete reaches after design strength, removes upper level fixed cross beam 2, carries out ground surface construction, and horizontal fixed cross beam 2 finishings are rear for next time.
10) when each specialty is carried out construction operation, can set up springboard on horizontal fixed cross beam 2 tops, while preventing from constructing, negative reinforcement 4 by play or trample, can be set up equally springboard and construct during concrete construction.
Claims (8)
1. a negative reinforcement hangs the device of construction control topping; it is characterized in that; comprise tripod supporting seat, horizontal fixed cross beam, fixing wiring; described tripod supporting seat bottom stable support triangular in shape; one section of brace summer of welding on it; described horizontal fixed cross beam is erected on the brace summer of tripod supporting seat, hangs several fixedly wirings on horizontal fixed cross beam, is used for fixedly negative reinforcement of colligation.
2. a kind of negative reinforcement according to claim 1 hangs the device of construction control topping; it is characterized in that; described tripod supporting seat is formed by reinforcement fabrication; its triangular support upper end is concentrated and is welded on brace summer, and three of bottoms fulcrum is along the circumferential direction uniformly distributed in same level.
3. a kind of negative reinforcement according to claim 1 hangs the device of construction control topping, it is characterized in that, described horizontal fixed cross beam adopts steel pipe or the lumps of wood to make.
4. a kind of negative reinforcement according to claim 1 hangs the device of construction control topping, it is characterized in that, described fixedly wiring adopts iron wire to make.
5. negative reinforcement hangs a construction method for construction control topping, it is characterized in that, this construction method mainly comprises following step:
1) according to design drawing, determine cast in place concrete plate body thickness;
2) according to the lashing location of design drawing negative reinforcement, spacer conditions, set position, the usage quantity of triangle fixed bearing, batch making;
3), after cast-in-situ concrete plate body negative reinforcement colligation moulding, the tripod supporting seat of making moulding is placed into the centre position of adjacent negative reinforcement;
4) horizontal fixed cross beam two ends are set up on the tripod supporting seat having fixed;
5) by every negative reinforcement utilization fixedly the vertical suspention of wiring to colligation on horizontal fixed cross beam, fix, make it to form whole;
6) after cast-in-situ floor concreting completes, with wood float, horizontal fixed cross beam bottom is floating;
7) when cast-in-situ floor concrete reaches after design strength, remove upper level fixed cross beam, finishing is rear for next time.
6. the construction method that a kind of negative reinforcement according to claim 5 hangs construction control topping; it is characterized in that; the device that cast in place concrete plate negative reinforcement hangs construction control topping should be set in described method continuously, and every group of device adopts a pair of tripod supporting seat and a horizontal fixed cross beam.
7. the construction method that a kind of negative reinforcement according to claim 5 hangs construction control topping, is characterized in that, determines height, higher than structural slab upper surface 5mm when described tripod supporting seat is used according to design thickness of slab.
8. the construction method that a kind of negative reinforcement according to claim 5 hangs construction control topping, is characterized in that, is placed into the centre position of adjacent negative reinforcement when described tripod supporting seat is used according to the spacing of 1.5-2m.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310667437.6A CN103669880B (en) | 2013-12-09 | 2013-12-09 | A kind of negative reinforcement hangs device and the construction method thereof of construction control topping |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310667437.6A CN103669880B (en) | 2013-12-09 | 2013-12-09 | A kind of negative reinforcement hangs device and the construction method thereof of construction control topping |
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| CN103669880A true CN103669880A (en) | 2014-03-26 |
| CN103669880B CN103669880B (en) | 2016-01-27 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106696076A (en) * | 2016-12-19 | 2017-05-24 | 中交路桥建设有限公司 | Supporting method for hollow plate inner mold prefabricated through pre-tensioning method |
| CN110094018A (en) * | 2019-05-31 | 2019-08-06 | 中联世纪建设集团有限公司 | Can freeze stirrup construction method instead of Bars In Poured Concrete Slab distributing reinforcement |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110012200A (en) * | 2009-07-30 | 2011-02-09 | 깨뱉시스템주식회사 | Form clamp |
| CN102465605A (en) * | 2010-11-16 | 2012-05-23 | 李国庆 | Method for building bottom plate steel bar support |
| CN202347737U (en) * | 2011-11-11 | 2012-07-25 | 中国二十冶集团有限公司 | Protecting stirrup for hogging moment steel bar of floor cast-in-place slab |
| CN203022229U (en) * | 2012-12-25 | 2013-06-26 | 中建七局第四建筑有限公司 | Firm rebar horse-shaped bench |
| CN203626264U (en) * | 2013-12-09 | 2014-06-04 | 中国三冶集团有限公司管道工程公司 | Protective layer control apparatus for hogging moment reinforced steel bar suspension construction |
-
2013
- 2013-12-09 CN CN201310667437.6A patent/CN103669880B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110012200A (en) * | 2009-07-30 | 2011-02-09 | 깨뱉시스템주식회사 | Form clamp |
| CN102465605A (en) * | 2010-11-16 | 2012-05-23 | 李国庆 | Method for building bottom plate steel bar support |
| CN202347737U (en) * | 2011-11-11 | 2012-07-25 | 中国二十冶集团有限公司 | Protecting stirrup for hogging moment steel bar of floor cast-in-place slab |
| CN203022229U (en) * | 2012-12-25 | 2013-06-26 | 中建七局第四建筑有限公司 | Firm rebar horse-shaped bench |
| CN203626264U (en) * | 2013-12-09 | 2014-06-04 | 中国三冶集团有限公司管道工程公司 | Protective layer control apparatus for hogging moment reinforced steel bar suspension construction |
Non-Patent Citations (1)
| Title |
|---|
| 贾永明，边玉龙: "浅谈现浇板上负筋保护层厚度的质量控制", 《土木建筑学术文库》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106696076A (en) * | 2016-12-19 | 2017-05-24 | 中交路桥建设有限公司 | Supporting method for hollow plate inner mold prefabricated through pre-tensioning method |
| CN110094018A (en) * | 2019-05-31 | 2019-08-06 | 中联世纪建设集团有限公司 | Can freeze stirrup construction method instead of Bars In Poured Concrete Slab distributing reinforcement |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103669880B (en) | 2016-01-27 |
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Effective date of registration: 20160108 Address after: 114039 Anshan province Liaoning City Mountain Road No. 105 building materials Applicant after: CHINA THREE METALLURGICAL GROUP CO., LTD. Address before: 114021 Anshan province Liaoning city Tiexi District Liu Tun Anshan southwest Gate West No. 5 Applicant before: PIPELINE ENGINEERING CO., LTD. OF CHINA THIRD METALLURGICAL GROUP CO., LTD |