CN103883052B - On turn over beam and Bars In Poured Concrete Slab monobloc cast construction method - Google Patents
On turn over beam and Bars In Poured Concrete Slab monobloc cast construction method Download PDFInfo
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- CN103883052B CN103883052B CN201410138536.XA CN201410138536A CN103883052B CN 103883052 B CN103883052 B CN 103883052B CN 201410138536 A CN201410138536 A CN 201410138536A CN 103883052 B CN103883052 B CN 103883052B
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Abstract
The invention belongs to structure construction technology field, particularly one turned over beam and Bars In Poured Concrete Slab monobloc cast construction method, take following steps: 1) Bars In Poured Concrete Slab with on turn over beam bottom mother plate and install; 2) beam side line setting is turned on; 3) Bars In Poured Concrete Slab reinforcing bar binding; 4) beam steel bar colligation is turned on; 5) turn over beam side on and support stirrup installation; 6) turn over beam side on to install; 7) beam side split bolt and snap close penstock installation is turned on; 8) reinforcing bar earth anchor is installed; 9) turn over beam forms lateral support on to install; 10) turn over beam side on and correct 11) concreting.The present invention can eliminate and turn over the beam structural hidden danger that flat indwelling constuction joint causes on Bars In Poured Concrete Slab, guarantees beam slab globality and bending resistance, cuts supporting capacity.
Description
Technical field
The present invention relates in one and turn over beam and Bars In Poured Concrete Slab monobloc cast construction method, belong to structure construction technology field.
Background technology
High-rise frame or frame structure residence floor engineering, general design floor height is 2.9m, in order to improve use headway, turning over girder construction form, make absolute altitude one at the bottom of framework bottom elevation and superstructure Bars In Poured Concrete Slab flat on often adopting.Turn over beam at present usually to adopt and first build superstructure Bars In Poured Concrete Slab concrete, reach until it and carry out horizontal construction joint again after some strength and pick hair process, then install and turn over beam side and build its concrete.This kind of construction method can leave following major design hidden danger to above turning over beam: one is cannot meet Bars In Poured Concrete Slab in upper fixed bearing design condition of turning over Liang Chu, two is the globality and the bending resistance that seriously reduce Vierendeel girder, horizontal construction joint is caused to ftracture upper turning under beam stress scratches change and the acting in conjunction of Bars In Poured Concrete Slab hogging moment, three is cause turning over beam horizontal construction joint Shear cracking under horizontal earthquake load action, has become a national technical barrier anxious to be resolved.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of and realize Bars In Poured Concrete Slab and the target of above to turn over beam concrete seamless monobloc cast, beam and slab structure globality and good endurance, meet Structural Design Requirement on turn over beam and Bars In Poured Concrete Slab monobloc cast construction method.
Turn over beam and Bars In Poured Concrete Slab monobloc cast construction method on of the present invention, take following steps:
1) Bars In Poured Concrete Slab with on turn over beam bottom mother plate and install: on form bracing system, the stupefied and template of installation form master is time stupefied, lay on template is time stupefied Bars In Poured Concrete Slab form surfacing with on turn over beam bottom mother plate panel;
2) beam side line setting is turned on: turn over beam side position and line setting upper turning in the survey of beam bottom mother plate panel upslide;
3) Bars In Poured Concrete Slab reinforcing bar binding: turn over colligation cast-in-place board upper reinforcement and Bars In Poured Concrete Slab lower rebar on beam bottom mother plate panel and Bars In Poured Concrete Slab form surfacing upper;
4) turn over beam steel bar colligation on: upper turning on beam bottom board panel, beam steel is turned in colligation, and turn over the concrete thickness of protection tier of beam according on position line accurate adjustment;
5) turn over beam side on to support split heads and install: upper to turn on beam bottom board panel laterally to install turn over beam side and support split heads, split heads is arranged and turns over beam side stop;
6) turn over beam side on to install: near above turn over beam side stop install to turn over beam side panel from above and above turn over beam time stupefied nail tie be assemblied to form on turn over beam side;
7) beam side split bolt and fore shaft penstock installation is turned on; Install that to turn over beam forms master stupefied in upper beam time stupefied outside of turning over, above turn over the two steel pipe master of beam forms stupefied between split bolt is installed, above turn over beam side employing suitable for reading fore shaft steel pipe with on to turn over the stupefied snapping of beam forms master firm;
8) reinforcing bar earth anchor is installed: by the horizontal segment of oblique L shape earth anchor and Bars In Poured Concrete Slab lower rebar firm welding, above turn over beam side both sides earth anchor and be symmetrical arranged;
9) turn over beam forms lateral support on to install: oblique steel pipe bottom is enclosed within earth anchor, adjustable screw is installed on top, and adjustable screw top and horizontal steel tube hold out against, and horizontal steel tube is arranged on and turns over the stupefied outside of beam forms master, and snapping is firm mutually;
10) turning over beam side on to correct: by rotating adjustable screw, completing and turning over beam side verticality and straight spending corrects, and locking adjustable screw;
11) concreting: first build and turn over flat 50 ~ 100 ㎜ places on beam concrete to Bars In Poured Concrete Slab concrete, then build and turn over beam both sides Bars In Poured Concrete Slab concrete, complete before Bars In Poured Concrete Slab concrete initial set and turn over beam concreting.
Turn over beam side support split heads in described step 5 to comprise splayed supporting leg and be welded on the crossbeam between splayed supporting leg top, crossbeam welds and turns over beam side stop, splayed supporting leg and crossbeam all adopt the reinforcing bar of HRB400 level, diameter 14 ~ 16 ㎜, on turn over beam side to support the height of split heads identical with cast-in-place board concrete thickness, length is supreme turns over beam two side form time stupefied outward flange, above turns over longitudinal pitch 0.8 ~ 1.0m that beam side supports split heads.Longitudinal pitch is for beam span direction is turned on edge.
Turn in described step 7 and beam concrete turns over when being highly less than 600 ㎜, only can turn over 100 ~ 250 ㎜ place installations one bottom beam side and arrange diameter 14 ㎜ split bolt, longitudinal pitch 500 ~ 600 ㎜ in distance; When on turn over beam concrete turns over highly be greater than 600 ㎜ time, set up split bolt at the vertical middle part of its side form, its in length and breadth spacing be 500 ~ 600 ㎜.Wherein the longitudinal pitch of split bolt is for beam span direction is turned on edge, turns over beam section height direction on being laterally.
Earth anchor in described step 8 adopts the reinforcement fabrication of HRB400 level, diameter 20 ~ 25 ㎜, and the spacing between two symmetrical earth anchors is 2 ~ 3m.
In described step 9, the setting angle of oblique steel pipe is in 45 ° ~ 60 ° intervals.
The invention has the beneficial effects as follows:
The present invention supports design and the application of split heads and triangle systems stabilisation by above turning over beam side, achieve Bars In Poured Concrete Slab and the target of above turning over beam concrete seamless monobloc cast, beam and slab structure globality and good endurance, meet Structural Design Requirement, speed of application is fast, meets green construction requirement.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure: 1, Bars In Poured Concrete Slab form surfacing 2, template master stupefied 3, template secondary stupefied 4, form bracing system 5, Bars In Poured Concrete Slab concrete 6, splayed supporting leg 7, crossbeam 8, on turn over beam side panel 9, on turn over beam times stupefied 10, fore shaft steel pipe 11, on turn over beam steel 12, on turn over beam concrete 13, horizontal steel tube 14, adjustable screw 15, split bolt 16, on turn over beam side stop 17, cast-in-place board upper reinforcement 18, Bars In Poured Concrete Slab lower rebar 19, earth anchor 20, oblique steel pipe 21, on turn over beam bottom mother plate panel 22, on to turn over beam forms master stupefied.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described further:
As shown in Figure 1, turn over beam and Bars In Poured Concrete Slab monobloc cast construction method on of the present invention, take following steps:
1) Bars In Poured Concrete Slab with on turn over beam bottom mother plate and install: installation form master stupefied 2 and template times stupefied 3 on form bracing system 4, template times stupefied 3 is laid Bars In Poured Concrete Slab form surfacing 1 with on turn over beam bottom mother plate panel 21;
2) beam side line setting is turned on: turn over beam side position and line setting upper turning in the survey of beam bottom mother plate panel 21 upslide;
3) Bars In Poured Concrete Slab reinforcing bar binding: turn over colligation cast-in-place board upper reinforcement 17 and Bars In Poured Concrete Slab lower rebar 18 on beam bottom mother plate panel 21 and Bars In Poured Concrete Slab form surfacing 1 upper;
4) beam steel bar colligation is turned on: upper turning on beam bottom mother plate panel 21, beam steel 11 is turned in colligation, and according to position line accurate adjustment turning over the thickness of protection tier of beam concrete 12;
5) turn over beam side on to support split heads and install: upper to turn on beam bottom mother plate panel 21 laterally to install turn over beam side and support split heads, longitudinal pitch 0.8 ~ 1.0m, split heads adopts reinforcement welding splayed supporting leg 6 and the crossbeam 7 of HRB400 level, diameter 14 ~ 16 ㎜, highly with cast-in-place board concrete 5 thickness, the supreme outward flange turning over beam two side form of length, crossbeam 7 welds and turns over beam side stop 16.
6) turn over beam side on to install: near above turn over beam side stop 16 install by be positioned at inner side on turn over beam side panel 8 and be positioned at outside on turn over that beam time stupefied 9 nail knots are assemblied to form on turn over beam side;
7) beam side split bolt and fore shaft penstock installation is turned on; Upper turn over to install outside beam times stupefied 9 turn over beam forms master stupefied 22, when on turn over beam concrete 12 turns over highly be less than 600 ㎜ time, only can turn over 100 ~ 250 ㎜ place installations one bottom beam side and arrange diameter 14 ㎜ split bolt 15 in distance, level interval 500 ~ 600 ㎜, above turn over beam side employing suitable for reading fore shaft steel pipe 10 with on to turn over stupefied 22 snappings of beam forms master firm; When on turn over beam concrete 12 turns over highly be greater than 600 ㎜ time, vertically set up split bolt 15 at its side form, its in length and breadth spacing be 500 ~ 600 ㎜;
8) reinforcing bar earth anchor is installed: the reinforcement fabrication oblique L shape earth anchor 19 adopting HRB400 level diameter 20 ~ 25 ㎜, and by its horizontal segment and Bars In Poured Concrete Slab lower rebar 18 firm welding, above turn over beam side both sides earth anchor 19 and be symmetrical arranged, the spacing between two earth anchors 19 is 2 ~ 3m;
9) turn over beam forms lateral support on to install: oblique steel pipe 20 bottom is enclosed within the steel pipe of earth anchor 19, adjustable screw 14 is installed on top, adjustable screw 14 top and horizontal steel tube 13 hold out against, horizontal steel tube 13 is arranged on and turns over outside beam forms master stupefied 22, and snapping is firm mutually, the setting angle of oblique steel pipe 20 is in 45 ° ~ 60 ° intervals;
10) turning over beam side on to correct: by rotating adjustable screw 14, completing and turning over beam side verticality and straight spending corrects, making its allowable variation etc. meet " concrete structure engineering construction quality accident specification " requirement, and lock adjustable screw 14;
11) concreting: first build and turn over flat 50 ~ 100 ㎜ places on beam concrete 12 to Bars In Poured Concrete Slab concrete 5, in case build side form root spillage when turning over beam concrete 12, then build and turn over beam both sides Bars In Poured Concrete Slab concrete 5, complete before Bars In Poured Concrete Slab concrete 5 initial set and turn over beam concrete 12 and build.
Claims (5)
1. turn over beam and a Bars In Poured Concrete Slab monobloc cast construction method on, it is characterized in that taking following steps:
1) Bars In Poured Concrete Slab with on turn over beam bottom mother plate and install: in the upper installation form master stupefied (2) of form bracing system (4) and template time stupefied (3), template time stupefied (3) above laying Bars In Poured Concrete Slab form surfacing (1) and on turn over beam bottom mother plate panel (21);
2) beam side line setting is turned on: turn over beam side position and line setting upper turning in the survey of beam bottom mother plate panel (21) upslide;
3) Bars In Poured Concrete Slab reinforcing bar binding: turn over beam bottom mother plate panel (21) and Bars In Poured Concrete Slab form surfacing (1) above colligation cast-in-place board upper reinforcement (17) and Bars In Poured Concrete Slab lower rebar (18) upper;
4) beam steel bar colligation is turned on: turn over beam steel (11) upper turning in the upper colligation of beam bottom board panel (21), and according to position line accurate adjustment turning over the thickness of protection tier of beam concrete (12);
5) turn over beam side on to support split heads and install: turn over upper laterally the installing of beam bottom board panel (21) and turn over beam side upper and support split heads, split heads is arranged and turns over beam side stop (16);
6) turn over beam side on to install: near above turn over beam side stop (16) install to turn over beam side panel (8) from above and above turn over beam time stupefied (9) nail tie be assemblied to form on turn over beam side;
7) beam side split bolt and fore shaft penstock installation is turned on; Install turn over beam forms master stupefied (22) in upper beam time stupefied (9) outside of turning over, on turn over beam forms master stupefied between split bolt (15) is installed, above turn over beam side employing suitable for reading fore shaft steel pipe (10) with on to turn over beam forms master stupefied (22) snapping firm;
8) reinforcing bar earth anchor is installed: by the horizontal segment of oblique L shape earth anchor (19) and Bars In Poured Concrete Slab lower rebar (18) firm welding, above turn over beam side both sides earth anchor (19) and be symmetrical arranged;
9) turn over beam forms lateral support on to install: oblique steel pipe (20) bottom is enclosed within earth anchor (19), adjustable screw (14) is installed on top, adjustable screw (14) top and horizontal steel tube (13) hold out against, horizontal steel tube (13) is arranged on and turns over beam forms master stupefied (22) outside, and snapping is firm mutually;
10) turning over beam side on to correct: by rotating adjustable screw (14), completing and turning over beam side verticality and straight spending corrects, and locking adjustable screw (14);
11) concreting: first build and turn over beam concrete (12) to upper flat 50 ~ 100 ㎜ places of Bars In Poured Concrete Slab concrete (5), then build and turn over beam both sides Bars In Poured Concrete Slab concrete (5), complete before Bars In Poured Concrete Slab concrete (5) initial set and turn over beam concrete (12) and build.
2. on according to claim 1, turn over beam and Bars In Poured Concrete Slab monobloc cast construction method, it is characterized in that: the split heads in step 5 comprises splayed supporting leg (6) and is welded on the crossbeam (7) between splayed supporting leg (6) top, crossbeam (7) welds and turns over beam side stop (16), splayed supporting leg (6) and crossbeam (7) all adopt HRB400 level, the reinforcing bar of diameter 14 ~ 16 ㎜, the height of split heads is identical with cast-in-place board concrete (5) thickness, length is supreme turns over beam time stupefied (9) outward flange, longitudinal pitch 0.8 ~ the 1.0m of split heads.
3. on according to claim 1 and 2, turn over beam and Bars In Poured Concrete Slab monobloc cast construction method, it is characterized in that: turn in step 7 and beam concrete (12) turns over when being highly less than 600 ㎜, only can turning over 100 ~ 250 ㎜ place installations one bottom beam side in distance, to arrange diameter be 14 ㎜ split bolts (15), longitudinal pitch 500 ~ 600 ㎜; When on turn over beam concrete (12) turns over highly be greater than 600 ㎜ time, set up split bolt at the vertical middle part of its side form, its in length and breadth spacing be 500 ~ 600 ㎜.
4. on according to claim 3, turn over beam and Bars In Poured Concrete Slab monobloc cast construction method, it is characterized in that: the earth anchor (19) in step 8 adopts the reinforcement fabrication of HRB400 level, diameter 20 ~ 25 ㎜, the spacing between symmetrical two earth anchors (19) is 2 ~ 3m.
5. turn over beam and Bars In Poured Concrete Slab monobloc cast construction method on according to claim 1, it is characterized in that: in step 9, the setting angle of oblique steel pipe (20) is in 45 ° ~ 60 ° intervals.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410138536.XA CN103883052B (en) | 2014-04-08 | 2014-04-08 | On turn over beam and Bars In Poured Concrete Slab monobloc cast construction method |
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| CN201410138536.XA CN103883052B (en) | 2014-04-08 | 2014-04-08 | On turn over beam and Bars In Poured Concrete Slab monobloc cast construction method |
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| CN103883052A CN103883052A (en) | 2014-06-25 |
| CN103883052B true CN103883052B (en) | 2015-12-02 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196055B (en) * | 2014-08-08 | 2015-12-09 | 山东万鑫建设有限公司 | Outer wall of basement lower die board construction method |
| CN104652815A (en) * | 2015-02-10 | 2015-05-27 | 中国十七冶集团有限公司 | Construction method for pouring water-stopping upstanding beams in kitchens and toilets |
| CN106437144B (en) * | 2016-08-03 | 2019-01-25 | 中国建筑第七工程局有限公司 | Turn over beam die plate reinforcing device |
| CN110005194A (en) * | 2019-04-19 | 2019-07-12 | 中铁十六局集团城市建设发展有限公司 | A kind of substitution wears the form clamp of mould split bolt and step fastener reinforcing |
| CN110847445A (en) * | 2019-11-25 | 2020-02-28 | 苏州二建建筑集团有限公司 | Construction method for integrally forming outer wall and bottom plate of cast-in-place concrete structure of structure |
| CN113482354B (en) * | 2021-08-03 | 2022-07-01 | 中国建筑第二工程局有限公司 | Large-area dense upper reversed beam construction equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3071837A (en) * | 1959-10-02 | 1963-01-08 | Blaw Knox Co | Concrete forms |
| CN201891260U (en) * | 2010-12-09 | 2011-07-06 | 大荣建设集团有限公司 | Hanging template |
| CN202706545U (en) * | 2012-07-11 | 2013-01-30 | 陕西弘景置业建设有限责任公司 | Reinforcing device for lateral mould of concrete cast-in-place bridge |
-
2014
- 2014-04-08 CN CN201410138536.XA patent/CN103883052B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3071837A (en) * | 1959-10-02 | 1963-01-08 | Blaw Knox Co | Concrete forms |
| CN201891260U (en) * | 2010-12-09 | 2011-07-06 | 大荣建设集团有限公司 | Hanging template |
| CN202706545U (en) * | 2012-07-11 | 2013-01-30 | 陕西弘景置业建设有限责任公司 | Reinforcing device for lateral mould of concrete cast-in-place bridge |
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