CN105401580A - Concrete pouring construction method for underground gallery - Google Patents
Concrete pouring construction method for underground gallery Download PDFInfo
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- CN105401580A CN105401580A CN201410472007.3A CN201410472007A CN105401580A CN 105401580 A CN105401580 A CN 105401580A CN 201410472007 A CN201410472007 A CN 201410472007A CN 105401580 A CN105401580 A CN 105401580A
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Abstract
The invention discloses a concrete pouring construction method for an underground gallery. The concrete pouring construction method comprises the step of bottom slab concrete pouring, side wall concrete pouring and top slab concrete pouring, an inner formwork and an outer formwork of the side wall are erected to the top at a time, and the step that concrete is poured onto a bottom slab, a side wall and a top slab after scaffolds and top slab formworks are installed completely. Due to the fact that the bottom slab concrete, the side wall concrete and the top slab concrete are poured at a time, stagnant water steel plates do not need to be installed through welding, so that the material cost of the stagnant water steel plates and welding rods as well as the labor cost for welding the stagnant water steel plates are reduced, the turnover rate of the steel formworks and the scaffolds is increased, the construction cost is greatly reduced, and the construction period is shortened; in addition, no horizontal construction seam exists in the wall, and the waterproof performance is improved.
Description
Technical field
The present invention relates to a kind of concreting method, particularly relate to a kind of underground vestibule concrete pouring construction method.
Background technology
At present in industrial construction field, especially in the area that groundwater table is higher, be often a difficult problem to the control for the treatment of of construction joints and waterproof quality in the concrete construction of underground vestibule always.Existing construction technology is commonly divided into twice concreting, first colligation baseplate reinforcing bar, sidewall reinforcing bar (part) and built-in fitting, at sidewall base plate, steel plate water stopper (or rubber fastening band) is installed at above 200mm-300mm place, installation form, build underground vestibule underplate concrete and base plate above 200mm-300mm sidewall concrete, then colligation sidewall and roof steel bar, installation side wall form, builds sidewall and concrete roof.Traditional construction method can arrange one horizontal construction joint at basement reinforced concrete wall, and constuction joint adopts steel plate water stopper or rubber water-proof belt construction, and construction material cost increases, and operation increases, and the labour cost of generation also increases thereupon, long in time limit.The concrete quality at constuction joint place is difficult to control, and usually there will be the common quality defect of seepage.
Summary of the invention
In order to solve problems of the prior art, the invention provides a kind of underground vestibule concrete pouring construction method, solving that construction material cost in prior art is high, the unmanageable problem of construction quality.
Technical scheme of the present invention is: a kind of underground vestibule concrete pouring construction method, comprise base plate, sidewall and concrete roof to build, the inside and outside template of sidewall is once set up to top, after scaffold, roof plate template all install, then carry out the primary concreting of underplate concrete, sidewall concrete and concrete roof.
Underground vestibule concrete pouring construction method, comprises the following steps:
(1), after base plate steel bar binding completes, require to arrange bracket on baseplate reinforcing bar according to full hall scaffold vertical pole ' s span;
(2), after sidewall reinforcing bar binding, be used for holding inside wall formwork according to floor level welded reinforcement bracket inside sidewall reinforcing bar and base plate intersection;
(3) sidewall template and roof plate template install, and reserve circular hole on roof plate template;
(4) utilize preformed hole to build underplate concrete, underplate concrete has built rear shutoff preformed hole, builds sidewall concrete and concrete roof, complete primary concreting before underplate concrete initial set.
Described reserved Circularhole diameter 200mm, in top board center alongst pitch arrangement.
The advantage that the present invention has and good effect are:
(1) construction cost is saved
Due to base plate, side wall and top board primary concreting concrete, increase without the need to weldering and steel plate for sealing water is installed, saved the cost of materials of steel plate for sealing water and welding rod, and welding steel plate for sealing water labour cost, add the turnover rate of steel form and scaffold, greatly reduce construction cost.
(2) construction period is shortened
Due to base plate, side wall and top board primary concreting, after waiting for that underplate concrete intensity reaches code requirement, then carry out the construction of sidewall and top board, without the need to weldable steel seal plate, time saving and energy saving, accelerate the duration.
(3) improve water resistance
Due to base plate, side wall and top board primary concreting concrete, there is not horizontal construction joint in body of wall, improve body of wall waterproof construction quality.
Accompanying drawing explanation
Fig. 1 is underground vestibule sectional drawing;
Fig. 2 is top plate plant tilting figure;
In figure: 1, scaffolding bracket; 2, baseplate reinforcing bar; 3, scaffold; 4, sidewall reinforcing bar; 5, sidewall template; 6, Bracket for steel bar; 7, roof plate template; 8, roof steel bar; 9, underplate concrete; 10, sidewall concrete; 11, concrete roof; 12, reserved circular hole.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.
Underground vestibule concrete pouring construction method, comprises the following steps:
(1) engineering line setting, soil excavation, blinding concrete construction;
(2) baseplate reinforcing bar 2 colligation, weld brackets.After base plate steel bar binding completes, require on baseplate reinforcing bar, arrange bracket 1 according to full hall scaffold vertical pole ' s span, bracket 1 vertical reinforcement utilizes Φ 20 to remain reinforcing bar waste material to be welded on baseplate reinforcing bar 2, and on the reinforcing bar of Φ 20, weld length is the holder point of Φ 14 reinforcing bar as supported rod erecting of 100mm.
(3) after sidewall reinforcing bar 4 colligation, be used for holding inside wall formwork 5 according to floor level welded reinforcement bracket 6 inside sidewall reinforcing bar 4 with base plate intersection, utilize the reinforcing bar waste material of Φ 20 as support equally, length is greater than Φ 14 reinforcing bar of wall thickness as holder muscle, spacing 500mm.
(4) formwork erection.First the bracket welded is utilized, carry out sidewall template 5 to reinforce, after reinforcing completes, the bracket 1 on base plate is utilized to set up full hall scaffold 3, then carry out roof plate template 7 to install and the circular hole 12 (Fig. 2) reserving diameter 200mm, reserved circular hole 12 at top board center alongst spacing 2m arrange, colligation roof steel bar after installation.
(5) concreting.First utilize reserved circular hole 12 to build underplate concrete 9, underplate concrete has built rear shutoff preformed hole, builds sidewall concrete 10 and concrete roof 11, complete primary concreting before underplate concrete initial set.Reach design strength stripping and scaffold.
Although be described the preferred embodiments of the present invention by reference to the accompanying drawings above; but the present invention is not limited to above-mentioned detailed description of the invention; above-mentioned detailed description of the invention is only schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present invention; do not departing under the ambit that present inventive concept and claim protect, can also make a lot of form, these all belong within protection scope of the present invention.
Claims (3)
1. a underground vestibule concrete pouring construction method, comprise base plate, sidewall and concrete roof to build, it is characterized in that, the inside and outside template of sidewall is once set up to top, after scaffold, roof plate template all install, then carry out the primary concreting of underplate concrete, sidewall concrete and concrete roof.
2. underground vestibule concrete pouring construction method according to claim 1, is characterized in that, comprise the following steps:
(1), after base plate steel bar binding completes, require to arrange bracket on baseplate reinforcing bar according to full hall scaffold vertical pole ' s span;
(2), after sidewall reinforcing bar binding, be used for holding inside wall formwork according to floor level welded reinforcement bracket inside sidewall reinforcing bar and base plate intersection;
(3) sidewall template and roof plate template install, and reserve circular hole on roof plate template;
(4) utilize preformed hole to build underplate concrete, underplate concrete has built rear shutoff preformed hole, builds sidewall concrete and concrete roof, complete primary concreting before underplate concrete initial set.
3. underground vestibule concrete pouring construction method according to claim 2, it is characterized in that, described reserved Circularhole diameter 200mm, in top board center alongst pitch arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410472007.3A CN105401580A (en) | 2014-09-16 | 2014-09-16 | Concrete pouring construction method for underground gallery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410472007.3A CN105401580A (en) | 2014-09-16 | 2014-09-16 | Concrete pouring construction method for underground gallery |
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| CN105401580A true CN105401580A (en) | 2016-03-16 |
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| CN201410472007.3A Pending CN105401580A (en) | 2014-09-16 | 2014-09-16 | Concrete pouring construction method for underground gallery |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105862669A (en) * | 2016-04-01 | 2016-08-17 | 成都阿朗科技有限责任公司 | Construction method for rectangular steel lining |
| CN107859061A (en) * | 2017-10-11 | 2018-03-30 | 中国市政工程中南设计研究总院有限公司 | A kind of construction method of box culvert primary concreting |
| CN109024680A (en) * | 2018-08-30 | 2018-12-18 | 中国十七冶集团有限公司 | A kind of fixing means without fertile barrel corridor wall reinforcement |
| CN112554909A (en) * | 2020-11-27 | 2021-03-26 | 中铁十五局集团有限公司 | Rectangular pipe jacking joint concrete pouring method utilizing bin-dividing steel plates |
| CN112982485A (en) * | 2021-03-09 | 2021-06-18 | 中国二十二冶集团有限公司 | Construction method for cast-in-situ pipe gallery bottom plate and top plate synchronous formwork pouring concrete |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105862669A (en) * | 2016-04-01 | 2016-08-17 | 成都阿朗科技有限责任公司 | Construction method for rectangular steel lining |
| CN105862669B (en) * | 2016-04-01 | 2017-11-10 | 成都阿朗科技有限责任公司 | A kind of construction method of Hydraulic and Hydro-Power Engineering dam rectangle steel lining |
| CN107859061A (en) * | 2017-10-11 | 2018-03-30 | 中国市政工程中南设计研究总院有限公司 | A kind of construction method of box culvert primary concreting |
| CN109024680A (en) * | 2018-08-30 | 2018-12-18 | 中国十七冶集团有限公司 | A kind of fixing means without fertile barrel corridor wall reinforcement |
| CN112554909A (en) * | 2020-11-27 | 2021-03-26 | 中铁十五局集团有限公司 | Rectangular pipe jacking joint concrete pouring method utilizing bin-dividing steel plates |
| CN112554909B (en) * | 2020-11-27 | 2023-05-05 | 中铁十五局集团有限公司 | Rectangular pipe jacking joint concrete pouring method utilizing separate steel plates |
| CN112982485A (en) * | 2021-03-09 | 2021-06-18 | 中国二十二冶集团有限公司 | Construction method for cast-in-situ pipe gallery bottom plate and top plate synchronous formwork pouring concrete |
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Application publication date: 20160316 |