CN104631512B - Hang modulus method after-pouring band beam-slab construction method - Google Patents
Hang modulus method after-pouring band beam-slab construction method Download PDFInfo
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- CN104631512B CN104631512B CN201410805185.3A CN201410805185A CN104631512B CN 104631512 B CN104631512 B CN 104631512B CN 201410805185 A CN201410805185 A CN 201410805185A CN 104631512 B CN104631512 B CN 104631512B
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- 238000010276 construction Methods 0.000 title claims abstract description 34
- 238000005266 casting Methods 0.000 claims abstract description 66
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 24
- 239000010959 steel Substances 0.000 claims abstract description 24
- 239000002023 wood Substances 0.000 claims abstract description 11
- 238000004140 cleaning Methods 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicium dioxide Chemical compound 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Abstract
The invention belongs to the construction method of construction formwork, particularly one hangs modulus method after-pouring band beam-slab construction method, comprises the steps: (1) ater-casting internal cleaning; (2) ater-casting beam, plate model sheetinstallat; (3) hang mould support system to install; (4) concreting; (5) sealing of hole; (6) water-storing test.The present invention is simple to operate, the mode of hanging mould is adopted to carry out template construction, do not set up and land shuttering supporting scaffold, split bolt is adopted to be main stressed member, two steel pipe is decided stupefied, and fixed form panel and the lumps of wood are time stupefied, generally can complete in movable support body, quick construction, does not affect the construction of bottom, ater-casting.By water-storing test, Direct Test post empiricism quality, has stopped post empiricism seam position later stage hidden leakage defect.This method save construction man power and material drop into, decrease labour and machinery consumption, reduce engineering cost, economic benefit and production efficiency considerable.
Description
Technical field
The present invention relates to one and hang modulus method after-pouring band beam-slab construction method, belong to the construction method of construction formwork.
Background technology
At present, in construction work, in order to function needs and solve the problem such as shrinkage strain and concrete thermal stresses of settlement difference between high-rise main body and podium, steel concrete, ater-casting method is widely used in construction work.
Present stage after-pouring band beam-slab construction conventional construction method be that after-pouring band beam-slab template is constructed with cast-in-place structural beam slab, when cast-in-place structural beam board concrete reaches code requirement, remove the formwork and formwork supports system of beam slab, retain the formwork and formwork supports system of after-pouring band beam-slab part, after the number of days of design code to be achieved, build ater-casting concrete.Within 60 days, just can build ater-casting concrete owing to designing after General Requirements Beam-Slab Construction completes, late poured band support system retention time is very long, affects subsequent construction, particularly basis needs backfill, due to basic late poured band support system impact, cannot backfill, have a strong impact on the duration.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of simple to operate, do not affect subsequent construction, that greatly shortens the construction period hangs modulus method after-pouring band beam-slab construction method.
Of the present inventionly hang modulus method after-pouring band beam-slab construction method, comprise the steps:
(1) ater-casting internal cleaning: foreign material, the rubbish retained in cleaning ater-casting, removes corrosion and the concrete scum silica frost of ater-casting rebar surface;
(2) beam, plate model sheetinstallat: mounting rail template and template die plate, pastes antiseep sponge double-sided tape between border, ater-casting and beam, template die plate;
(3) hang mould support system to install: along being parallel to, the ater-casting length direction laying lumps of wood is secondary stupefied, the lumps of wood time stupefied spacing is not more than 200mm, edge is perpendicular to ater-casting length direction, on plate position, ater-casting, above below and beam position, the two steel pipe master of laying is stupefied respectively, the two steel pipe masters paralleled with ater-casting length direction are laid stupefied below beam position, the stupefied spacing of the two adjacent couples of steel pipe masters is not more than 600mm, ater-casting plate, beam position upper, all fixed by twice split bolt between lower couple of steel pipe master is stupefied, split bolt distance ater-casting edge 200mm, split bolt adds PVC sleeve pipe,
(4) concreting: when building ater-casting concrete, position, ater-casting concrete 50mm lower than the plate face of Bars In Poured Concrete Slab (1);
(5) sealing of hole: when concrete strength reaches designing requirement, removes ater-casting beam, template die plate, with polyurethane foam shutoff split bolt hole;
(6) water-storing test: pour water in position, ater-casting, retaining checks after 24 hours that edge, ater-casting and position, split bolt hole no seepage and no leakage are qualified.
If have Seepage in described step 6, the slip casting of epoxy resin hydraulic coupling is adopted to close leakage.
The invention has the beneficial effects as follows:
Simple to operate, adopt the mode of hanging mould to carry out template construction, do not set up and land shuttering supporting scaffold, adopt split bolt to be main stressed member, two steel pipe is decided stupefied, and fixed form panel and the lumps of wood are time stupefied, generally can complete in movable support body, quick construction, not affect the construction of bottom, ater-casting.By water-storing test, Direct Test post empiricism quality, has stopped post empiricism seam position later stage hidden leakage defect.This method save construction man power and material drop into, decrease labour and machinery consumption, reduce engineering cost, economic benefit and production efficiency considerable.
Accompanying drawing explanation
Fig. 1 is the structural representation at plate position in the present invention.
Fig. 2 is the cross section structure schematic diagram of A-A in Fig. 1.
In figure: 1, stupefied 3, the ater-casting 4 of Bars In Poured Concrete Slab 2, two steel pipe master, split bolt 5, PVC sleeve pipe 6, template die plate 7, the lumps of wood time stupefied 8, antiseep sponge double-sided tape 9, inclined tube 10, vertical tube 11, fastener 12, beam forms 13, beam position.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described further:
As shown in Fig. 1 ~ Fig. 2, of the present inventionly hang modulus method after-pouring band beam-slab construction method, comprise the steps:
(1) ater-casting internal cleaning: foreign material, the rubbish retained in cleaning ater-casting 3, removes corrosion and the concrete scum silica frost of ater-casting rebar surface;
(2) ater-casting beam, plate model sheetinstallat: mounting rail template 12 and template die plate 6, width hem width 200mm more every than ater-casting width during plate Compound of the formworks, pastes antiseep sponge double-sided tape 8 between border, ater-casting and beam, template die plate;
(3) lumps of wood secondary stupefied 7 is laid along being parallel to ater-casting length direction, the lumps of wood time stupefied 7 spacing are not more than 200mm, edge is perpendicular to ater-casting length direction, on plate position, ater-casting, two steel pipe master stupefied 2 is laid respectively above below and beam position 13, the two steel pipe masters paralleled with ater-casting length direction are laid stupefied below beam position 13, on, fix with split bolt 4 between lower couple of steel pipe master is stupefied, ater-casting plate, two steel pipe masters stupefied 2 at beam position all arrange twice split bolt, the spacing of two steel pipe master stupefied 2 is along being not more than 600mm, split bolt 4 is apart from ater-casting edge 200mm, wherein plate position split bolt diameter is not less than 14mm, the diameter of beam position split bolt 4 is 16mm, split bolt 4 adds PVC sleeve pipe 5,
(4) concreting: when building ater-casting concrete, position, ater-casting concrete 50mm lower than the plate face of Bars In Poured Concrete Slab 1;
(5) sealing of hole: when concrete strength reaches designing requirement, removes ater-casting beam, template die plate, with polyurethane foam shutoff split bolt hole;
(6) water-storing test: pour water in position, ater-casting, retaining checks after 24 hours that edge, ater-casting and position, split bolt hole no seepage and no leakage are qualified.
Stupefied 2 two ends of two steel pipe masters of bottom, step 3 central sill position arrange fixed mount, fixed mount comprises the stupefied 2 affixed vertical tubes 10 with two steel pipe master, arrange inclined tube 9 between vertical tube 10 and two steel pipe master stupefied 2, two steel pipe master stupefied 2 is all connected by fastener 11 with between vertical tube 10, between vertical tube 10 with inclined tube 9 and between inclined tube 9 with two steel pipe master stupefied 2.If have Seepage in step 6, the slip casting of epoxy resin hydraulic coupling is adopted to close leakage.
Embodiment 1:
For the wide ater-casting of 800mm, beam forms 12 and template die plate 6 adopt 12mm bamboo slab rubber or wood glue plate, secondary stupefied employing 50 × 80mm lumps of wood, spacing 200mm, ater-casting horizontally set two split bolts 4, distance edge, ater-casting 200mm, two split bolt spacing 400mm, longitudinally arrange two steel pipe master stupefied 2 according to 600mm spacing, two steel pipe master stupefied 2 is by split bolt drawknot.Split bolt adds PVC sleeve pipe 5, formwork completes after-pouring ater-casting concrete, the low 5mm of concreting aspect ratio both sides, ater-casting floor face, reach after regulation requires until strength grade of concrete and remove alter-pouring strips mould plate, with polyurethane foam shutoff split bolt hole, due to plate face, ater-casting 5mm lower than both sides Bars In Poured Concrete Slab 1 plate face, water-storing test is carried out at position, ater-casting, ensure that position, ater-casting is non-leakage, when by the time doing ground cushion, levelling together.
Embodiment 2:
When adopting the construction of independent support system after-pouring band beam-slab, set up post empiricism from alter-pouring strips mould plate support system to complete, remove alter-pouring strips mould plate and support system, about needs construction period of about 120 days, and adopt and hang modulus method after-pouring band beam-slab post empiricism, hang die body and be tied to alter-pouring strips mould plate from setting up and remove, general need about 25 days, calculate with 3.6m floor height, save support system lease expenses and be about: 50 yuan/m.After adopting independent support system after-pouring band beam-slab to construct, cannot check its construction quality, but adopt and hang modulus method after-pouring band beam-slab construction method, by water-storing test, the Direct Test construction quality of ater-casting, stops later stage hidden leakage defect.
Claims (2)
1. hang a modulus method after-pouring band beam-slab construction method, it is characterized in that comprising the steps:
(1) ater-casting internal cleaning: the rubbish retained in cleaning ater-casting (3), removes corrosion and the concrete scum silica frost of ater-casting rebar surface;
(2) ater-casting beam, plate model sheetinstallat: mounting rail template (12) and template die plate (6), width hem width 200mm more every than ater-casting width during plate Compound of the formworks, pastes antiseep sponge double-sided tape (8) between border, ater-casting and beam, template die plate;
(3) hang mould support system to install: lay the lumps of wood time stupefied (7) along being parallel to ater-casting length direction, the lumps of wood time stupefied (7) spacing is not more than 200mm, edge is perpendicular to ater-casting length direction, on plate position, ater-casting, below and beam position (13) top lay two steel pipe master stupefied (2) respectively, it is stupefied that the two steel pipe masters paralleled with ater-casting length direction are laid in below, beam position (13), the spacing of two adjacent pairs of steel pipe masters stupefied (2) is not more than 600mm, ater-casting plate, beam position upper, all fixed by twice split bolt (4) between lower pair of steel pipe master stupefied (2), split bolt (4) distance ater-casting edge 200mm, split bolt (4) adds PVC sleeve pipe (5),
(4) concreting: when building ater-casting concrete, position, ater-casting concrete 50mm lower than the plate face of Bars In Poured Concrete Slab (1);
(5) sealing of hole: when concrete strength reaches designing requirement, removes ater-casting beam, template die plate, with polyurethane foam shutoff split bolt hole;
(6) water-storing test: pour water in position, ater-casting, retaining checks after 24 hours that edge, ater-casting and position, split bolt hole no seepage and no leakage are qualified.
2. according to claim 1ly hang modulus method after-pouring band beam-slab construction method, it is characterized in that: if having Seepage in step 6, adopt the slip casting of epoxy resin hydraulic coupling to close leakage.
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| CN110331667A (en) * | 2019-07-02 | 2019-10-15 | 中交二公局东萌工程有限公司 | When being open to traffic under execution conditions bridge joining method |
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| CN106223367B (en) * | 2016-09-20 | 2019-06-28 | 中建八局第四建设有限公司 | A kind of exterior wall pouring after settlement enclosure method and device |
| CN106592966A (en) * | 2016-12-28 | 2017-04-26 | 河北建筑工程学院 | Support-beam-plate-free post-cast strip formwork system and construction method thereof |
| CN109235891A (en) * | 2018-09-04 | 2019-01-18 | 中建八局第三建设有限公司 | A kind of Large Span Prestressed Beam concrete pitched roof jump storehouse method construction method |
| CN108999403A (en) * | 2018-09-29 | 2018-12-14 | 北京首钢建设集团有限公司 | A kind of tool-type applied to prefabricated laminated floor slab strip hangs mould method |
| CN110043035B (en) * | 2019-02-25 | 2022-03-15 | 中天西北建设投资集团有限公司 | Post-cast strip construction supporting method |
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| CN202017346U (en) * | 2011-04-13 | 2011-10-26 | 中建七局第二建筑有限公司 | Late poured band hanging formwork structure |
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| CN103615053A (en) * | 2013-11-27 | 2014-03-05 | 温州宏源水电建设有限公司 | Construction method for post-cast belt of cast-in-place reinforced concrete structure |
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| JP2005200944A (en) * | 2004-01-16 | 2005-07-28 | Dow Kakoh Kk | Drainage wall structure and construction method therefor |
| CN202017346U (en) * | 2011-04-13 | 2011-10-26 | 中建七局第二建筑有限公司 | Late poured band hanging formwork structure |
| CN203320574U (en) * | 2013-06-30 | 2013-12-04 | 陕西建工集团第一建筑工程有限公司 | Construction structure for retaining post-poured strip and construction joint on cast-in-situ plate |
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