CN104674999A - Spaced formwork supporting and concrete pouring method for pitched roof - Google Patents
Spaced formwork supporting and concrete pouring method for pitched roof Download PDFInfo
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- CN104674999A CN104674999A CN201310609796.6A CN201310609796A CN104674999A CN 104674999 A CN104674999 A CN 104674999A CN 201310609796 A CN201310609796 A CN 201310609796A CN 104674999 A CN104674999 A CN 104674999A
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Abstract
The invention discloses a spaced formwork supporting and concrete pouring method for a pitched roof. The spaced formwork supporting and concrete pouring method for the pitched roof includes steps that a, setting out on a bottom template of the pitched roof; b, mounting a reinforcing steel bar horse stool; c, mounting a threading screw rod (5) and a water stop piece (4); d, mounting a spacing upper template (2); e, preparing and pouring concrete; f, removing form; g, performing concrete curing. The spaced formwork supporting and concrete pouring method for the pitched roof has advantages that the spaced formwork supporting mode is novel, the operation is easy to finish, and the concrete construction quality of the pitched roof is guaranteed through matching the spaced formwork supporting with step-by-step concrete pouring.
Description
Technical field
The present invention relates to a kind of formwork and concreting method, specifically, is a kind of pitched roof interval formwork and concreting method.
Background technology
In today that people's esthetic requirement is more and more higher, elevation of building attractive in appearance also thereupon increasingly important, Sloping roof is because it has strong European style, height is straggly, and smooth steep intertexture is handsome in appearance generous, give new and original sense, and day by day selected by building designers.The house great majority such as current house adopt steel concrete Sloping roof, and therefore improve Sloping roof concreting technology and highlight important, Sloping roof concrete placings quality determines the using function of building, particularly water-proof function.
But the cast of pitched roof slope concrete is a technical barrier in construction.Because the gradient on inclined-plane is larger, concrete is in casting process, and due to vibrating of the effect of concrete self gravitation and vibrating spear, concrete easily flows downward, thus the upper and lower plates consistency of thickness on pitched roof inclined-plane cannot be ensured, concrete compactness and planeness do not reach requirement yet.Tradition pitched roof slope concrete construction method has two kinds:
1, mounted split pattern method: traditional way, exactly pitched roof (being often referred to the gradient at the pitched roof of 30 ° ~ 60 °), often take during construction bottom surface, slope template to be installed or on reinforcing bar face, to add layer of steel wire net to build, make real, but because slope is steep, concrete is on the slope without constraint, concrete landing is often caused in the process of vibrating, segregation phenomenon, so concrete can only be naturally shaping under being landing state without constraint on slope, substantially the pouring on top can just be carried out after will waiting bottom concrete initial set, engineering time is long, and vibrate less or adopt the mode of bouncing, casting and compacting of concrete density does not reach requirement, construction quality is difficult to produce a desired effect, therefore the phenomenon of housing roof infiltration after ubiquity completion.
2, two-sided clamping plate method: when roof pitch >=45 ° (when roof pitch is to 75 °, must adopt two-sided clamping plate method), construction need adopt match plate, support is made with bar dowel, standing screw adds sealing piece, to control roofing thickness and sealing, antiseepage, and outside template, establishes concrete casting orifice.This kind of method, enlarged relative formwork engineering quantity, because plate is too thin, concrete casting is very inconvenient, and vibrate also inconvenient, concrete easily occurs partial cells, not easily jolt ramming, be not more suitable for large-area Sloping roof formwork, such as sports palace etc.
Therefore known pitched roof slope concrete construction method also exists above-mentioned all inconvenience and problem.
Summary of the invention
Object of the present invention, is that proposing a kind of being applicable to designs pitched roof interval formwork and the concreting method that roof pitch is 30 ° ~ 60 °.
Another object of the present invention, is to propose pitched roof interval formwork and the concreting method that a kind of interval formwork overcomes concrete landing.
For achieving the above object, technical solution of the present invention is:
A kind of pitched roof interval formwork and concreting method, is characterized in that comprising the following steps:
A, in pitched roof bottom template unwrapping wire
Conveniently require to install pitched roof bottom template, form and the size of foundation pitched roof carry out unwrapping wire, by 900mm size of space formwork, arrange 450mm space; Below pitched roof bottom template, support system shelf is set;
B, installation steel bar horse-shaped bench
Reinforcing bar laid by roofing, and installs steel bar horse-shaped bench in unwrapping wire position, interval, and two adjacent steel bar horse-shaped bench spacing are 450mm, and the height roomate plate thickness of steel bar horse-shaped bench is consistent;
C, installation threading screw mandrel and sealing piece
Be drilled on base plate according to the first electricity consumption in unwrapping wire position and hole, after spacing 900mm bores, set up threading screw mandrel, threading screw mandrel diameter 12mm, length is 400mm, and sealing piece is established in the centre of threading screw mandrel, to prevent from seeping water from threading screw mandrel;
D, installation interval upper former
Installation interval upper former, interval upper former is also holed at threading screw mandrel correspondence position simultaneously, the spacing of wells is with threading screw mandrel spacing, interval upper former is enclosed within threading screw mandrel, the junction, the face of two boards up and down of interval upper former arranges along scab seam direction the steel bar horse-shaped bench being used for support shuttering, smooth to make the face of two boards up and down of interval upper former splice; Interval upper former adds longitudinally two road steel pipes;
E, preparation, concreting
Prepare concrete, the grating particle diameter of concrete coarse aggregate is 5 ~ 31.5mm, and the slump of concrete mix is 90 ~ 120; Lay direction according to template during concreting to carry out from bottom to top, require that domatic symmetry is built, concreting must continuously, and off time meets code requirement;
F, form removal
Upper former reaches after intensity >=12MPa until concrete, is guaranteeing not damage form removal below the prerequisite of concrete surface and losing fangle, or form removal after concrete initial set, by interval concrete together levelling press polish;
G, concrete curing
Concrete curing, because the gradient on pitched roof inclined-plane is large, adopt the maintenance of external coating curing agent, concrete final set and water seasoning, and curing time, is no less than 14d.
Pitched roof interval formwork of the present invention and concreting method can also be further achieved by the following technical measures.
Aforesaid method, in wherein said steps d, installation interval upper former once completes, or build while formwork, after having built one deck, namely install the template of a wall, step by step Piecemeal erection template, then concreting step by step, circulation is carried out, until build end successively mutually.
Aforesaid method, in wherein said steps d, to the gradient >=45 °, the engineering time also needs to arrange layer of steel wire net build every place, carries out temporary fixed after concreting, and during to ensure concrete tamping, concrete does not glide.
Aforesaid method, in wherein said step e, suitable for readingly in template face during concreting arranges the high baffle plate of 50cm, aggregate landing when avoiding building temporarily; And adopt Φ 30mm small vibrating rod to vibrate, adopt in casting process hand hammer knock upper former check whether build closely knit;
Aforesaid method, properly protect in wherein said pitched roof interval formwork and concreting drag link safety measure.
After adopting technique scheme, pitched roof interval formwork of the present invention and concreting method have the following advantages:
1, interval formwork way is novel, simple to operate;
2, interval formwork concreting guarantee pitched roof slope concrete construction quality is step by step coordinated;
3, formwork supporting plate installs system is a set of effective method overcoming a pitched roof slope concrete placingJi Shu difficult problem.
Accompanying drawing explanation
Fig. 1 is the formwork schematic diagram of the embodiment of the present invention.
In figure: 1 steel bar horse-shaped bench, 2 interval upper former, 3 steel fabric sheets, 4 sealing pieces, 5 threading screw mandrels, 6 support system shelfs, 7 steel pipes.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing thereof, the present invention is illustrated further.
Embodiment 1
Pitched roof interval formwork of the present invention and concreting method, is characterized in that comprising the following steps:
A, in pitched roof bottom template unwrapping wire
Now refer to Fig. 1, Fig. 1 is the formwork schematic diagram of the embodiment of the present invention.Conventionally require after installing pitched roof bottom template, form and the size of foundation pitched roof carry out unwrapping wire, by 900mm size of space formwork, arrange 450mm space; Below pitched roof bottom template, support system shelf 6 is set;
B, installation steel bar horse-shaped bench
After roofing laying reinforcing bar completes, installing steel bar horse-shaped bench 1 spacing according to unwrapping wire position, interval is 450mm; The same thickness of slab of height of steel bar horse-shaped bench, to ensure plate thickness;
C, installation threading screw mandrel 5 and sealing piece 4
Be drilled in jewel hole on base plate according to the first electricity consumption in unwrapping wire position, after spacing 900mm bores, set up threading screw mandrel 5, threading screw mandrel adopts diameter 12mm, and length is that sealing piece 4 is established in the centre of 400mm plate screw mandrel, prevents from seeping water from screw mandrel;
D, installation interval upper former 2
Installation interval upper former 2, interval upper former is at threading screw mandrel 5 correspondence position also simultaneously jewel hole, jewel hole spacing is with threading screw mandrel spacing, interval upper former 2 is enclosed within threading screw mandrel 5, the junction, the face of two boards up and down of interval upper former, along scab seam direction, the steel bar horse-shaped bench 1 being used for support shuttering is set, smooth to make the face of two boards up and down of interval upper former splice; Interval upper former adds longitudinally two road steel pipes; Adopting builds while formwork way, can install the template of a wall, step by step Piecemeal erection template after having built one deck, then concreting step by step, and circulation is carried out, until build end successively mutually.Be 45 ° of persons in the gradient, the engineering time needs to get out layer of steel wire net every place's (being also the position of lower ash) and builds, and carries out temporary fixed after concreting, and during to ensure concrete tamping, concrete does not glide.
E, preparation, concreting
The grating particle diameter of concrete coarse aggregate used is 5 ~ 31.5mm, and the slump of mixture is 90 ~ 120, and template is laid direction and carried out from bottom to top, also carry out from bottom to top during concreting, and requiring that domatic symmetry is carried out, concreting must continuously, and off time meets code requirement; Suitable for reading in template face during concreting the high baffle plate of 50cm is set temporarily, aggregate landing when avoiding building; And adopt Φ 30mm small vibrating rod to vibrate, adopt in casting process hand hammer knock upper former check whether build closely knit;
F, form removal
Upper former reaches after intensity >=12MPa until concrete, is guaranteeing not damage collapsible die below the prerequisite of concrete surface and losing fangle, or form removal after concrete initial set, levelling press polish together with the concrete of interval;
G, concrete curing
Concrete curing, because the gradient on pitched roof inclined-plane is large, waters, plastic film covering maintenance all should not carry out, first adopt the maintenance of external coating curing agent method.Incipient wetness maintenance is even more important, and namely general concrete final set answer water seasoning, and curing time is no less than 14d.
In pitched roof interval formwork of the present invention and concreting method, Sloping roof concrete construction is subject to many-sided impact such as high-rise working, gradient size, change in shape, formwork and concreting are all more difficult, and must properly protect outside roofing the safety measures such as pull bar.
The present invention has substantive distinguishing features and significant technological progress, pitched roof interval formwork of the present invention and concreting method are a kind of formwork ways of compartment of novelty, operate simple and easy, practical, prove a set of effective construction method through long Construction practices and quality achievement.
Pitched roof interval formwork of the present invention and concreting method are fully used in the engineering of hot spring holiday village, Chuan mountain, Zhenjiang, this project house unit is many, roofing is pitched roof, the gradient many 26 ° ~ 60 ° not etc., adopt method of the present invention to make engineering construction Be very effective, obtain the abundant affirmation such as Construction unit, supervisor.
Above embodiment is used for illustrative purposes only, but not limitation of the present invention, person skilled in the relevant technique, without departing from the spirit and scope of the present invention, can also make various conversion or change.Therefore, all equivalent technical schemes also should belong to category of the present invention, should be limited by each claim.
Claims (4)
1. pitched roof interval formwork and a concreting method, is characterized in that comprising the following steps:
A, in pitched roof bottom template unwrapping wire
Conveniently require to install pitched roof bottom template, form and the size of foundation pitched roof carry out unwrapping wire, by 900mm size of space formwork, arrange 450mm space; Support system shelf (6) is set below pitched roof bottom template;
B, installation steel bar horse-shaped bench
Reinforcing bar laid by roofing, and installs steel bar horse-shaped bench (1) in unwrapping wire position, interval, and two adjacent steel bar horse-shaped bench spacing are 450mm, and the height of steel bar horse-shaped bench is with the consistency of thickness of roof panel;
C, installation threading screw mandrel (5) and sealing piece (4)
Be drilled on base plate according to the first electricity consumption in unwrapping wire position and hole, after spacing 900mm bores, set up threading screw mandrel (5), threading screw mandrel diameter 12mm, length is 400mm, and sealing piece (4) is established in the centre of threading screw mandrel, to prevent from seeping water from threading screw mandrel;
D, installation interval upper former (2)
Installation interval upper former (2), interval upper former is also holed at threading screw mandrel (5) correspondence position simultaneously, the spacing of wells is with threading screw mandrel spacing, interval upper former (2) is enclosed within threading screw mandrel (5), the junction, the face of two boards up and down of interval upper former arranges along scab seam direction the steel bar horse-shaped bench (1) being used for support shuttering, smooth to make the face of two boards up and down of interval upper former splice; Interval upper former adds longitudinally two road steel pipes (7);
E, preparation, concreting
Prepare concrete, the grating particle diameter of concrete coarse aggregate is 5 ~ 31.5mm, and the slump of concrete mix is 90 ~ 120; Lay direction according to template during concreting to carry out from bottom to top, require that domatic symmetry is built, concreting must continuously, and off time meets code requirement;
F, form removal
Upper former reaches after intensity >=12MPa until concrete, is guaranteeing not damage form removal below the prerequisite of concrete surface and losing fangle, or form removal after concrete initial set, by interval concrete together levelling press polish;
G, concrete curing
Concrete curing, because the gradient on pitched roof inclined-plane is large, adopt the maintenance of external coating curing agent, concrete final set and water seasoning, and curing time, is no less than 14d.
2. pitched roof interval formwork as claimed in claim 1 and concreting method, it is characterized in that, in described steps d, installation interval upper former (2) once completes, or builds while formwork, namely installs the template of a wall after having built one deck, Piecemeal erection template step by step, then concreting step by step, circulation is carried out, until build end successively mutually.
3. pitched roof interval formwork as claimed in claim 1 and concreting method, it is characterized in that, in described steps d, to the gradient >=45 °, engineering time also needs to arrange layer of steel wire net every place and builds, carry out temporary fixed after concreting, during to ensure concrete tamping, concrete does not glide.
4. pitched roof interval formwork as claimed in claim 1 and concreting method, is characterized in that, in described step e, suitable for readingly in template face during concreting arranges the high baffle plate of 50cm, aggregate landing when avoiding building temporarily; And adopt Φ 30mm small vibrating rod to vibrate, adopt in casting process hand hammer knock upper former check whether build closely knit;
Pitched roof interval formwork as claimed in claim 1 and concreting method, is characterized in that, properly protect in described pitched roof interval formwork and concreting drag link safety measure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310609796.6A CN104674999A (en) | 2013-11-27 | 2013-11-27 | Spaced formwork supporting and concrete pouring method for pitched roof |
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| CN201310609796.6A CN104674999A (en) | 2013-11-27 | 2013-11-27 | Spaced formwork supporting and concrete pouring method for pitched roof |
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| CN104674999A true CN104674999A (en) | 2015-06-03 |
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| CN201310609796.6A Pending CN104674999A (en) | 2013-11-27 | 2013-11-27 | Spaced formwork supporting and concrete pouring method for pitched roof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105386597A (en) * | 2015-12-03 | 2016-03-09 | 浙江海滨建设集团有限公司 | Auxiliary casting device and auxiliary casting method of roof |
| CN105756287A (en) * | 2016-03-24 | 2016-07-13 | 中国建筑第八工程局有限公司 | Reverse-hanging steel bar arrangement construction method for stiff steel reinforced beams and prop steel bars |
| CN106013572A (en) * | 2016-06-07 | 2016-10-12 | 中国十七冶集团有限公司 | Concrete pitched roof anti-seepage control method |
| CN106522483A (en) * | 2015-09-11 | 2017-03-22 | 广西建工集团第四建筑工程有限责任公司 | Supporting tool for controlling flatness of small-gradient sloping roof |
| CN108952029A (en) * | 2018-09-19 | 2018-12-07 | 山西建筑工程集团有限公司 | It is a kind of to construct for pitched roof with the bracket and application method for placing grey dustpan |
| CN109267578A (en) * | 2018-11-09 | 2019-01-25 | 北京城建五建设集团有限公司 | A kind of inclined-plane plain concrete construction and its construction method |
| CN110439127A (en) * | 2019-08-12 | 2019-11-12 | 仇国辉 | Steel building inclined roof exempts from demoulding pour concrete package structure steel member antirust construction technique using component |
| CN111058631A (en) * | 2020-02-29 | 2020-04-24 | 中国二十二冶集团有限公司 | Concrete construction method for large-gradient inclined roof |
| CN114934672A (en) * | 2022-03-09 | 2022-08-23 | 五冶集团上海有限公司 | Novel formwork method for gutter in pitched roof house |
| CN115977381A (en) * | 2023-01-18 | 2023-04-18 | 中国十七冶集团有限公司 | Reinforcing device suitable for large-gradient roof formwork and construction method |
| CN116220369A (en) * | 2023-01-09 | 2023-06-06 | 中国十七冶集团有限公司 | Concrete pouring method for large-gradient roof |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106522483A (en) * | 2015-09-11 | 2017-03-22 | 广西建工集团第四建筑工程有限责任公司 | Supporting tool for controlling flatness of small-gradient sloping roof |
| CN105386597A (en) * | 2015-12-03 | 2016-03-09 | 浙江海滨建设集团有限公司 | Auxiliary casting device and auxiliary casting method of roof |
| CN105756287A (en) * | 2016-03-24 | 2016-07-13 | 中国建筑第八工程局有限公司 | Reverse-hanging steel bar arrangement construction method for stiff steel reinforced beams and prop steel bars |
| CN106013572A (en) * | 2016-06-07 | 2016-10-12 | 中国十七冶集团有限公司 | Concrete pitched roof anti-seepage control method |
| CN108952029A (en) * | 2018-09-19 | 2018-12-07 | 山西建筑工程集团有限公司 | It is a kind of to construct for pitched roof with the bracket and application method for placing grey dustpan |
| CN109267578B (en) * | 2018-11-09 | 2023-12-08 | 北京城建五建设集团有限公司 | Inclined plane plain concrete structure and construction method thereof |
| CN109267578A (en) * | 2018-11-09 | 2019-01-25 | 北京城建五建设集团有限公司 | A kind of inclined-plane plain concrete construction and its construction method |
| CN110439127A (en) * | 2019-08-12 | 2019-11-12 | 仇国辉 | Steel building inclined roof exempts from demoulding pour concrete package structure steel member antirust construction technique using component |
| CN111058631B (en) * | 2020-02-29 | 2022-03-11 | 中国二十二冶集团有限公司 | Concrete construction method for large-gradient inclined roof |
| CN111058631A (en) * | 2020-02-29 | 2020-04-24 | 中国二十二冶集团有限公司 | Concrete construction method for large-gradient inclined roof |
| CN114934672A (en) * | 2022-03-09 | 2022-08-23 | 五冶集团上海有限公司 | Novel formwork method for gutter in pitched roof house |
| CN116220369A (en) * | 2023-01-09 | 2023-06-06 | 中国十七冶集团有限公司 | Concrete pouring method for large-gradient roof |
| CN115977381A (en) * | 2023-01-18 | 2023-04-18 | 中国十七冶集团有限公司 | Reinforcing device suitable for large-gradient roof formwork and construction method |
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Application publication date: 20150603 |