CN104675112A - Steel stair formwork and constructing method for once pouring forming of building staircase - Google Patents

Steel stair formwork and constructing method for once pouring forming of building staircase Download PDF

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Publication number
CN104675112A
CN104675112A CN201510064258.2A CN201510064258A CN104675112A CN 104675112 A CN104675112 A CN 104675112A CN 201510064258 A CN201510064258 A CN 201510064258A CN 104675112 A CN104675112 A CN 104675112A
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CN
China
Prior art keywords
steel
stair
staircase
wall
template
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Pending
Application number
CN201510064258.2A
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Chinese (zh)
Inventor
张耀忠
沈宏生
王鹏飞
张裕忠
张孝明
赵海雷
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LONGXIN CONSTRUCTION GROUP CO Ltd
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LONGXIN CONSTRUCTION GROUP CO Ltd
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Application filed by LONGXIN CONSTRUCTION GROUP CO Ltd filed Critical LONGXIN CONSTRUCTION GROUP CO Ltd
Priority to CN201510064258.2A priority Critical patent/CN104675112A/en
Publication of CN104675112A publication Critical patent/CN104675112A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a steel stair formwork for once pouring forming of a building staircase and belongs to the field of building construction. The steel stair formwork comprises two inclined beams and a plurality of step side moulds, wherein the two inclined beams can be erected between an upper-layer stair landing and a lower-layer stair landing which are adjacent to each other. The two inclined beams can be arranged in parallel at interval, the two corresponding ends of the two inclined beams are fixedly connected through horizontal beams to form a formwork body, and height adjusting devices are arranged at the two ends of the formwork body. The step side moulds are sequentially fixed under the formwork body at intervals from top to bottom, the length of one step side mould is larger than the width of the formwork body, the same sides of the step side moulds are fully sealed through steel plates, and winged edges perpendicular to the steel plates are arranged at the tops of the steel plates. The steel stair formwork is convenient to install, simple to construct, easy to operate, capable of achieving simultaneous pouring of stairs and wall bodies of the staircase, capable of avoiding secondary embedded reinforcing steel bars, capable of guaranteeing the integrity of the staircase and capable of achieving tooled and standardized operation of staircase structure construction. The invention further discloses a constructing method for once pouring forming of the building staircase.

Description

For steel stair template and the construction method of poured up at a time between architectural stair
Technical field
The present invention relates to a kind of for steel stair template and construction method between architectural stair, be specifically a kind of steel stair template for poured up at a time between architectural stair and construction method, belong to the realm of building construction.
Background technology
In recent years, architectural industrialization is carried out energetically by country, relies on scientific and technological advances and technological innovation, promotes architectural industrialization level, finally realizes energy-saving and emission-reduction, green construction, realize the sustainable development of builing industry.
In construction work, stair, as main construction passage, are the central core of circulation of accident such as building reply power-off, fire etc., each side's inspection, so the quality of staircase construction quality plays key effect to building safety.In traditional building construction process, staircase and main body are usually separated and are constructed, and need to carry out secondary joint bar, strengthen the expenditure of construction complexity and construction cost, reduce efficiency of construction; Meanwhile, have impact on staircase degree of plainness for wall surface, reduce the globality of staircase.In addition, the stair wood used in prior art template strength of marking time is lower, easily occurs " fried mould " phenomenon in work progress; Wood template of marking time also cannot reuse, and causes the waste of timber resources, have impact on efficiency of construction.
Summary of the invention
Technical problem to be solved by this invention is to overcome prior art defect, provides a kind of construction convenient, poured up at a time steel stair template and construction method between the architectural stair that effectively can promote staircase globality and efficiency of construction.
In order to solve the problems of the technologies described above, the steel stair template for poured up at a time between architectural stair provided by the invention, comprises two and can be erected at cant beam between adjacent levels stair turntable and multiple side form of marking time; Between described two cant beams, parallel interval is arranged, between two cant beams, corresponding two ends are connected and fixed respectively by crossbeam, forms mould bases; The two ends setting height(from bottom) adjusting device of described mould bases; Described multiple side form of marking time is intervally fixed on the below of mould bases from top to bottom, described in side form length of marking time be greater than the width of mould bases; Steel plate is adopted to carry out full envelope between arbitrary same side of described multiple side form of marking time; The top of described steel plate is provided with the wing limit perpendicular with steel plate.
Present invention also offers poured up at a time construction method between a kind of architectural stair, comprise the following steps:
1), colligation stair plaform reinforcing bar after staircase installs platform;
2), by above-mentioned steel stair formwork hoisting on stair plaform, at the back-up block that the below place mat of steel stair template is identical with concrete grade to be built, regulate and fix the height of steel stair template;
3), colligation staircase wall steel bar and qualified by inspection after, prop up body of wall exterior sheathing and the wall internal mould plate of vertical staircase respectively, described body of wall exterior sheathing adopts punching block, and body of wall exterior sheathing surrounding is provided with side;
4), the wing limit on the lower side of body of wall exterior sheathing and steel stair template is connected and fixed; Body of wall exterior sheathing and wall internal mould plate are connected and fixed;
5), carry out that staircase body of wall, stair are concrete builds and maintenance simultaneously;
6) staircase wall form and steel stair template is removed after, reaching normal intensity.
Beneficial effect of the present invention is: (1), steel stair model sheetinstallat of the present invention are convenient, construction is simple, processing ease, achieve stair and staircase body of wall is built simultaneously, avoid secondary embedded bar, ensure that staircase globality, achieve the tool of staircase structure construction, standardized work, not only economy but also safety; (2) compared with, with traditional wooden form constructing, construction method of the present invention can decrease the plastering construction of staircase body of wall, promotes economic benefit, shortens the construction period; Adopt steel stair template and steel body of wall exterior sheathing in increase formwork integral intensity simultaneously, can reuse, decrease the wasting of resources, save construction cost; (3), steel stair template and wall form are all unified in the present invention make after be transported to job site and install, decrease field operation, reduce labour intensity; Staircase is built with floor simultaneously, and stair template can be used as the upper and lower passage of constructor after removing, and improves construction safety coefficient.
Accompanying drawing explanation
Fig. 1 is steel stair stencil plane schematic diagram of the present invention;
Fig. 2 is steel stair formwork sides schematic diagram of the present invention;
Fig. 3 is wall form scheme of installation of the present invention;
Fig. 4 is body of wall exterior sheathing of the present invention and steel stair template connecting joint point diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
The present invention is applicable to construct between all reinforced concrete stairs, is particularly useful for the construction of typical floor.
As illustrated in fig. 1 and 2, in the present invention, steel stair template comprises two cant beams 1 that can be erected between adjacent levels stair turntable, between two cant beams 1, parallel interval is arranged, be connected and fixed respectively by two crossbeams 2 between the two ends that two cant beams 1 are corresponding, two crossbeams 2 are parallel to each other, and form rectangular mould bases.The outside (i.e. the two ends of mould bases) of two crossbeams 2 fixedly mounts two nuts, 6, two nut 6 intervals respectively and arranges, and each nut 6 is all screwed into and regulates screw mandrel 7 pairs of mould bases to support, rotate the height regulating screw mandrel 7 can adjust mould bases.The below of mould bases from top to bottom (namely from the top of mould bases to bottom) uniform intervals arranges nine side forms of marking time; Side form of marking time is made up of side template 3 and stiffening girder 5, and back and the stiffening girder 5 of side template 3 are connected and fixed, and side form of marking time is parallel with crossbeam 2; The both sides of stiffening girder 5 are connected and fixed respectively by montant 4 and cant beam 1.The length of side form of marking time is greater than the width of mould bases.Adjacent marking time between side form on the right of mould bases outside the side of staircase body of wall (namely near) cant beam 1 adopts steel plate to connect, and namely goes up one and to mark time the bottom of side form and the top junction steel plate of next side form of marking time; Adopt steel plate 10 to carry out full envelope between the lateral surface of adjacent side form of marking time, the top of steel plate is fixedly connected with angle steel as wing limit 8, and wing limit 8 is perpendicular with steel plate 10, and wing limit 8 is parallel with cant beam 1; Wing limit 8 has several perforates, for being connected with staircase wall form.Two crossbeams 2 install 2 reinforcing bar suspension ring respectively, for lifting and the movement of steel stair template.
Cant beam 1 in the present embodiment and crossbeam 2 adopt 10# channel-section steel, and side template 3 adopts 6 steel plates, and stiffening girder 5 adopts 8# channel-section steel, and montant 4 adopts 5# angle steel, and wing limit 8 adopts 4# angle steel, and reinforcing bar suspension ring adopt 20mm reinforcing bar.Side form of marking time in the present embodiment is nine, steel stair template should be known as those of ordinary skill in the art, side form quantity of marking time, adjacent Distance geometry selection of marking time between side form can according to practice of construction need carry out changing or adjusting.
In the present embodiment, adjacent marking time between side form on the right of mould bases outside cant beam 1 adopts steel plate to connect, adopt steel plate 10 to carry out full envelope between the lateral surface of adjacent side form of marking time, the top of steel plate 10 is fixedly connected with angle steel as wing limit 8 for being connected with staircase wall form.In practice of construction process, can according to the difference in disparity items stair direction, steel plate is adopted to connect adjacent the marking time between side form outside mould bases left side cant beam 1, adopt steel plate 10 to carry out full envelope between the lateral surface of adjacent side form of marking time, the top of steel plate 10 is fixedly connected with angle steel as wing limit 8 for being connected with staircase body of wall exterior sheathing.As principle, steel stair mould upper limb limit 8 must near staircase body of wall side, with staircase body of wall exterior sheathing Connecting groups mould.
As shown in Figure 3, staircase wall form comprises body of wall exterior sheathing 19 and wall internal mould plate 16; Wall form all adopts 6 thick steel facings, steel facing has screw hole spaced apart, and the back side of steel facing adopts vertical back cord 15 to reinforce, and back cord 15 spacing is about 450mm; The surrounding at the steel facing back side adopts 4# angle steel 20 bound edge, and angle steel 20 is provided with multiple perforate.The lower side of body of wall exterior sheathing 19 is relative corresponding with wing limit 8 structure of steel stair template, perforate on the lower side angle steel 20 of body of wall exterior sheathing 19 with wing limit 8 on position of opening corresponding, during group mould body of wall exterior sheathing 19 lower side on angle steel 20 be connected and fixed by screw 21 with the wing limit 8 of steel stair template.
The construction sequence of carrying out poured up at a time between architectural stair of above-mentioned steel stair template and staircase wall form is utilized to be:
Absolute altitude, the size of the staircase 1, provided according to Architecture and structure working drawing, design the size of template, according to staircase wall internal mould plate and the exterior sheathing of size processing said structure.
2, the processing of steel stair template is completed according to design size and said structure.
3, colligation stair reinforcing bar qualified by inspection after, first by after steel stair formwork hoisting to the position of setting, pad respectively in the below of four adjusting screws 7 and establish and treat the concrete pad of concreting with label, adopt the position of crow bar adjustment stair template, adjusted the absolute altitude of marking time by adjusting screw 7, ensure the accurate of its position.
4, as shown in Figure 3, colligation staircase wall steel bar and qualified by inspection after, first prop up vertical staircase inner side template 16, and on reinforcing bar, arrange cement support, cement support interval 1000mm, in quincuncial arrangement; Then, lifting the positive facade exterior sheathing of staircase and both sides exterior sheathing successively according to joining mould drawing, after rigging out, adopting iron wire to be undertaken temporary fixed by exterior sheathing 19 and wall steel bar; Subsequently, the wing limit 8 in steel stair template is fixed by screw 21 with the angle steel 20 on exterior sheathing 19 lower side on correspondence position; Positive for staircase facade exterior sheathing and both sides exterior sheathing are connected and fixed by screw 21 mutually.
5, as shown in Figure 4, after staircase body of wall inner and outer template installs, wall bushing 18 and connecting bolt 11, main back cord 14 after adjusting mold plate verticality, tighten tapered cup nut 12 are installed successively, pad 13 is set between tapered cup nut 12 and inner and outer template, realizes fixing between inner and outer template; In work progress, main back cord 14 is installed its horizontal absolute altitude and must be ensured unanimously, simultaneously above stair step with mark time the main back cord 14 that be arranged in parallel.
6, according to the label of design, disposable integral concreting is carried out to staircase body of wall and stair;
7, after staircase concreting, when intensity reaches 1Mpa(4Mpa in winter) start to remove body of wall inner and outer template, first remove the tapered cup nut 12 on bolt 11, remove main back cord 14, connecting bolt 11 from top to bottom successively, mark time and exterior sheathing connecting screw 21, connecting screw 21 between exterior sheathing, then body of wall inner and outer template is prized gently with crowbar, make template leave body of wall, vertical transportation machinery such as recycling tower crane etc. is transported to stockyard, after tear steel stair template open.
The above is only the preferred embodiment of the present invention, it should be pointed out that for those skilled in the art, can also make some improvement under the premise without departing from the principles of the invention, and these improvement also should be considered as protection scope of the present invention.

Claims (2)

1. for a steel stair template for poured up at a time between architectural stair, it is characterized in that: comprise two and can be erected at cant beam between adjacent levels stair turntable and multiple side form of marking time; Between described two cant beams, parallel interval is arranged, between two cant beams, corresponding two ends are connected and fixed respectively by crossbeam, forms mould bases; The two ends setting height(from bottom) adjusting device of described mould bases; Described multiple side form of marking time is intervally fixed on the below of mould bases from top to bottom, described in side form length of marking time be greater than the width of mould bases; Steel plate is adopted to carry out full envelope between arbitrary same side of described multiple side form of marking time; The top of described steel plate is provided with the wing limit perpendicular with steel plate.
2. a poured up at a time construction method between architectural stair, is characterized in that comprising the following steps:
1), colligation stair plaform reinforcing bar after staircase installs platform;
2), by steel stair formwork hoisting according to claim 1 on stair plaform, at the back-up block that the below place mat of steel stair template is identical with concrete grade to be built, regulate and fix the height of steel stair template;
3), colligation staircase wall steel bar and qualified by inspection after, prop up body of wall exterior sheathing and the wall internal mould plate of vertical staircase respectively, described body of wall exterior sheathing adopts punching block, and body of wall exterior sheathing surrounding is provided with side;
4), the wing limit on the lower side of body of wall exterior sheathing and steel stair template is connected and fixed; Body of wall exterior sheathing and wall internal mould plate are connected and fixed;
5), carry out that staircase body of wall, stair are concrete builds and maintenance simultaneously;
6) staircase wall form and steel stair template is removed after, reaching normal intensity.
CN201510064258.2A 2015-02-09 2015-02-09 Steel stair formwork and constructing method for once pouring forming of building staircase Pending CN104675112A (en)

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CN201510064258.2A CN104675112A (en) 2015-02-09 2015-02-09 Steel stair formwork and constructing method for once pouring forming of building staircase

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510064258.2A CN104675112A (en) 2015-02-09 2015-02-09 Steel stair formwork and constructing method for once pouring forming of building staircase

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106337539A (en) * 2016-10-26 2017-01-18 天津大学 Stair Guardrial for Assembled Ultrahigh Strength Cement Mortar and its Assembly Methods
CN107401279A (en) * 2017-09-19 2017-11-28 中联世纪建设集团有限公司 Disposable one-piece casting staircase wall ladder combined steel formwork installation construction method
CN110700567A (en) * 2019-10-23 2020-01-17 广西谊科建筑技术发展有限公司 Be used for concrete building one-time to pour fashioned aluminium template mounting structure

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1181660A (en) * 1997-09-11 1999-03-26 Shimizu Corp Form construction method for staircase
KR200306790Y1 (en) * 2002-12-14 2003-03-12 중앙산업개발(주) mold for stair hall
KR20030027558A (en) * 2001-09-29 2003-04-07 호성산업개발(주) Prefabricated form for stair hall
CN203441103U (en) * 2013-07-25 2014-02-19 中国建筑土木建设有限公司 Staircase molding steel formwork
CN203878995U (en) * 2014-05-06 2014-10-15 安徽湖滨建设集团有限公司 Side wall stair formwork
CN204626965U (en) * 2015-02-09 2015-09-09 龙信建设集团有限公司 For the steel stair template of poured up at a time between architectural stair

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1181660A (en) * 1997-09-11 1999-03-26 Shimizu Corp Form construction method for staircase
KR20030027558A (en) * 2001-09-29 2003-04-07 호성산업개발(주) Prefabricated form for stair hall
KR200306790Y1 (en) * 2002-12-14 2003-03-12 중앙산업개발(주) mold for stair hall
CN203441103U (en) * 2013-07-25 2014-02-19 中国建筑土木建设有限公司 Staircase molding steel formwork
CN203878995U (en) * 2014-05-06 2014-10-15 安徽湖滨建设集团有限公司 Side wall stair formwork
CN204626965U (en) * 2015-02-09 2015-09-09 龙信建设集团有限公司 For the steel stair template of poured up at a time between architectural stair

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106337539A (en) * 2016-10-26 2017-01-18 天津大学 Stair Guardrial for Assembled Ultrahigh Strength Cement Mortar and its Assembly Methods
CN107401279A (en) * 2017-09-19 2017-11-28 中联世纪建设集团有限公司 Disposable one-piece casting staircase wall ladder combined steel formwork installation construction method
CN110700567A (en) * 2019-10-23 2020-01-17 广西谊科建筑技术发展有限公司 Be used for concrete building one-time to pour fashioned aluminium template mounting structure

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