CN104100026B - Construction method for disassembling-free steel-frame three-dimensional screen formwork cast-in-place foaming concrete composite wall - Google Patents
Construction method for disassembling-free steel-frame three-dimensional screen formwork cast-in-place foaming concrete composite wall Download PDFInfo
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- CN104100026B CN104100026B CN201410346440.2A CN201410346440A CN104100026B CN 104100026 B CN104100026 B CN 104100026B CN 201410346440 A CN201410346440 A CN 201410346440A CN 104100026 B CN104100026 B CN 104100026B
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Abstract
The invention discloses a non-bearing maintenance structure wall and particularly relates to a disassembling-free steel-frame three-dimensional screen formwork cast-in-place foaming concrete composite wall comprising a wall board composed of a disassembling-free steel-frame three-dimensional screen formwork, a connecting plate fixedly connected to the top of a foaming concrete formwork and physical foaming concrete. The connecting plate is provided with pouring holes used for pouring the physical foaming concrete. The invention further discloses a construction method of the cast-in-place foaming concrete composite wall. The method includes 1, setting and manufacturing the disassembling-free steel-frame three-dimensional screen formwork; 2, paying off; 3, mounting keels; 4, mounting the forming concrete formwork; 5, mounting the cement plate connecting plate; 6, pouring the foaming concrete. The composite wall has the advantages of lightweight, fine heating and sound insulating effects, high entire comprehensive strength, fine fire-resistant and earthquake-resistant performance, low cost and high construction speed.
Description
Technical field
The present invention relates to a kind of enclosed structure materials for wall of the non-bearing used in building construction, specially one kind is exempted from
Tear the construction method of the cast-in-place foaming concrete combined wall of steel frame stereo silk-screen template open.
Background technology
Can insulation, and can prevent fires, this is two big function demands of current building.
Current China building energy consumption accounts for the 1/3 of whole society's total energy consumption.Northern China urban heating living space is only accounted for entirely
The 10% of state's urban residence area, building energy consumption but accounts for 40%.Maximum energy consumption is heating and refrigeration in China's building, with weather
The close developed country of condition compares, and every square metre of building heating energy consumption of China is 3 times or so of developed country.As with traditional
Method solves the problems, such as that heat supply in winter will greatly increase energy resource consumption, deteriorates atmosphere pollution.
Because fire incident case is too numerous to enumerate caused by external wall heat insulating material for external combustibility is unqualified.State Council
Print and distribute《Opinion on strengthening and improving fire-fighting work》（Promulgated by the State Council [2011] 46）It is required that, newly-built, renovating and enlarging engineering
Heat insulating material for external must not use combustible material without exception, and strict limitation uses combustible material.Occur in recent years various regions some are big
Type fire, it is relevant with external wall heat insulating material for external.
China《Energy-saving and emission-reduction " 12 planning》The requirement of building energy conservation is proposed among regulation three.How building is realized
Energy-conservation is imperative, the new material for having many energy-conserving and environment-protective currently on the market, such as prefabricated solid concrete wall is due to too heavy, fortune
Defeated installation cost is higher, and polystyrene board wall body discharges a large amount of toxic gases after there is flammable and burning because polyphenyl materials are not fire-retardant
There is insecurity, the polyurethane or the secondary heat preservation construction of outer patch foamed concrete plate for exterior-wall heat insulation cause cost too high.
Also air entrained concrete stripe board, cement block, GRC gently make porous stripe board etc. and use unitary function, and have wall crazing, apply
The problems such as work speed is slow.
How insulation and fire prevention, cost and environmental protection, get both.Current intensity is high and energy-conserving and environment-protective, also fire prevention and inexpensive simultaneous
Capacity materials in the market is also fewer.
The content of the invention
Regarding to the issue above, the invention discloses exempting to tear applying for the steel frame cast-in-place foaming concrete combined wall of stereo silk-screen template open
Work method, its combined wall has intensity high, energy-conserving and environment-protective, also fire prevention and inexpensive advantage.
Specifically solution is：Exempt to tear the cast-in-place foaming concrete combined wall of steel frame stereo silk-screen template, the combined wall open
Including the connecting plate for exempting to tear the steel frame 3 D stereo screen template wallboard for constituting open, be fixedly connected on foamed concrete template top
And filling exempt to tear steel frame 3 D stereo screen template open between physical blowing coagulation local soil type into the connecting plate is provided with and pours physics
The pouring hole of foamed concrete.
Further, it is described to exempt to tear open steel frame 3 D stereo screen template week skirt and be provided with the galvanized steel plain sheet for being available for joggle to connect
Frame, is provided with three-dimensional steel wire as skeleton in the foamed concrete in frame.
Further, the connecting plate is cement plate, connecting plate with exempt to tear open steel frame 3 D stereo screen template by screw
It is fixedly connected.Pouring hole is uniformly distributed on the connecting plate, and every piece of number of connecting plate pouring hole is 4-5, a diameter of
100mm.It is described to exempt to tear open steel frame 3 D stereo screen template outer surface and have the thick crack resist at mortar with grid cloth of 5mm.
Exempt to tear open the construction method of the cast-in-place foaming concrete combined wall of steel frame stereo silk-screen template, comprise the following steps：
The first step, exempts to tear the typesetting and making of steel frame 3 D stereo screen template open：Typesetting is carried out by design drawing, it is determined that
The specification of foamed concrete template, completes foamed concrete template construct in factory.
Second step, unwrapping wire：In strict accordance with typesetting figure unwrapping wire, the foamed concrete model sheetinstallat on the bullet of wall installation position
Line.
3rd step, installs keel：According to keel installation baseline, by keel installation in place.
4th step, foamed concrete model sheetinstallat：Specifications and models, peace should be gone through before foamed concrete model sheetinstallat
Whether dress direction etc. is correct, and whether foamed concrete template has modification or damage.
5th step, cement plate connecting plate is installed:Both sides foamed concretes model sheetinstallat well after, by connecting plate self tapping spiral shell
Nail is fixed in the groove of two templates, two templates is formed entirety, then pouring hole is bored on connecting plate with rig, for pouring
Note foamed concrete, when foamed concrete is not tamped in lower floor's foamed concrete template, can with upper strata foamed concrete come
Supplemented.
6th step, foamed concrete cast：Go through whether model sheetinstallat meets the requirements, after meeting the requirements on inspection,
Foamed concrete cast can be carried out, one layer of template is installed, pour one step foaming concrete.
Further, in the first step, the principle of typesetting is that foamed concrete template specification should be minimum, reduces factory process work
Measure and in-site installation difficulty.
Further, in second step, floor slab bottoms should hang down with hookup wire on the bullet of beam bottom, and corresponding hookup wire
Directly, to ensure the flatness of wall and perpendicularity etc., while simultaneously identifying the position of door-window opening.
Further, in the third step, with screw by keel installation on concrete floor or with the method for welding by keel
It is fixedly welded on steel construction.
Further, in the 4th step, it is determined that in the case of errorless, when all inspection projects meet the requirements, using self tapping spiral shell
Be fixed on foamed concrete template on keel by nail.And its flatness and perpendicularity etc. are checked, install another with same method
Side foamed concrete template.
Further, in the 6th step, before pouring foaming concrete, bottom foamed concrete template should be contacted with floor
Place carries out joint filling treatment with cement mortar, and other apertured places should also carry out encapsulation process.
Further, in the 6th step, it is 600mm that height is poured every time, is poured to same foamed concrete form height, and foaming is mixed
When solidifying clay model plate is vertically installed, cast height must not exceed 1.55m.
The present invention has following advantage compared with prior art：
1st, energy saving：Cast-in-place foamed concrete combined wall constitutes combination, Ke Yiyou by many small pores are closed
The discrepancy of effect isolation heat, can play the regulation air effect of auxiliary to Indoor environment outdoor environment, improve heat-insulating property.Subtract
The loss of few heat, without any toxic substance, environmental protection is nontoxic, reaches low-carbon energy-saving environmental protection.
2nd, fire-proof shock-proof：The present invention uses A1 noncombustible construction materials.Fire endurance >=3h, bending resistance carries >=1.5.
3rd, heat preservation and soundproof：The foamed concrete that the present invention is made using special process is closed porous.240mm thickness of slab walls
Heat transfer coefficient≤0.543.240mm thickness of slab wall air-borne sounds sound transmission loss/dB >=42.
4th, bulk strength is high：3 D stereo silk screen steel frame joggle and lateral connection are combined into an entirety, fully
The advantage of each material has been played, therefore the combined wall has bulk strength higher.
5th, surface does not condense：Integral assembled form of the invention not only compact conformation, firm but also without cold bridge, in wall
Outer foamed concrete is effectively avoided due to the dew condensation phenomenon that the inside and outside humidity temperature difference is caused greatly, to influence the normal of building to make
With.
6th, labor and material saving：Present invention insulation can make up to requirement by design requirement adjustment thickness of wall body, and exterior wall is without again
Secondary insulation is done, to reach the target of labor and material saving reduces cost.
7th, speed of application is fast：Template of the present invention is that live joggle is assembled without dismounting, and filling wall is that cast in situs foaming is mixed
Solidifying soil, therefore substantial amounts of transport and hanging device are saved, also save substantial amounts of operating expenses.30m is poured into a mould per hour3 。
Brief description of the drawings
Fig. 1 is to exempt to tear the cast-in-place foaming concrete composite wall body structure schematic diagram of steel frame stereo silk-screen template open；
Fig. 2 is that polylith combined wall combines scheme of installation；
Fig. 3 is combined wall joggle connecting node enlarged drawing；
In figure, 1- exempts to tear steel frame 3 D stereo screen template open；11- exempts to tear mouth under steel frame 3 D stereo screen template open；
12- exempts to tear steel frame 3 D stereo screen template open suitable for reading；2- connecting plates；3- physical blowing concrete；4- solid steel wires；5- spiral shells
Nail；6- pouring holes；7- galvanized steel plain sheet frames.
Specific embodiment
Below in conjunction with the accompanying drawings, specific embodiment of the invention is illustrated.
It is of the invention to exempt to tear open the cast-in-place foaming concrete combined wall of steel frame stereo silk-screen template and include exempting from tearing steel frame open three-dimensional vertical
Wallboard that body screen template 1 is constituted, it is fixedly connected on the connecting plate 2 on foamed concrete template top and filling exempts to tear steel frame three open
Physical blowing concrete 3 between dimension stereo silk-screen template is constituted, and connecting plate is provided with the pouring hole 6 for pouring physical blowing concrete.
Exempt to tear open steel frame 3 D stereo screen template week skirt and be provided with the galvanized steel plain sheet frame 7 for being available for joggle to connect, the foaming in frame
Three-dimensional steel wire 4 is provided with concrete as skeleton, exempting to tear open the outer surface of steel frame 3 D stereo screen template 1 has 5mm thick
Crack resist at mortar with grid cloth.Connecting plate is cement plate, connecting plate with exempt to tear open steel frame 3 D stereo screen template by screw 5
It is fixedly connected.Pouring hole is uniformly distributed on connecting plate, and every piece of number of connecting plate pouring hole is 4-5, a diameter of 100mm.
It is of the invention exempt to tear open the cast-in-place foaming concrete combined wall of steel frame stereo silk-screen template construction method be：
The first step, exempts to tear the typesetting and making of steel frame 3 D stereo screen template open：Typesetting is carried out by design drawing, it is determined that
The specification of template, completes template construct in factory.The principle of typesetting is that template specification should be minimum, reduces factory process work
Measure and in-site installation difficulty.
Second step, unwrapping wire：In strict accordance with typesetting figure unwrapping wire, in wall installation position bullet upper die plate hookup wire.Floor slab bottoms
With hookup wire on the bullet of beam bottom, and corresponding hookup wire should be vertical, to ensure the flatness of wall and perpendicularity etc., while
And identify the position of door-window opening.
3rd step, installs keel：According to keel installation baseline, by keel installation in place.With screw by keel installation in mixed
Keel are fixedly welded on steel construction on solidifying Tulou plate or with the method for welding.
4th step, model sheetinstallat：Specifications and models, installation direction etc. should be gone through before foamed concrete model sheetinstallat is
No correct, whether template has modification or damage.It is determined that in the case of errorless, when all inspection projects meet the requirements, using self tapping
Be fixed on template on keel by screw.And its flatness and perpendicularity etc. are checked, another side template is installed with same method.
5th step, cement plate connecting plate is installed:Both sides model sheetinstallat well after, connecting plate tapping screw is fixed on two
In the groove of template, two templates is formed entirety, then pouring hole is bored on connecting plate with rig, for pouring foaming coagulation
Soil, when foamed concrete is not tamped in lower template, can be supplemented with upper strata foamed concrete.
6th step, foamed concrete cast：Go through whether model sheetinstallat meets the requirements, after meeting the requirements on inspection,
Foamed concrete cast can be carried out, one layer of template is installed, pour one step foaming concrete.Before pouring foaming concrete, should
Bottom template and floor contact position are carried out into joint filling treatment with cement mortar, other apertured places should be also carried out at sealing
Reason, and it is 600mm to pour height every time, is poured to same form height, and when template is vertically installed, cast height must not exceed
1.55m。
Claims (9)
1. a kind of construction method for exempting to tear the cast-in-place foaming concrete combined wall of steel frame stereo silk-screen template open, it is characterised in that described
Combined wall includes exempting to tear steel frame 3 D stereo screen template open（1）The wallboard of composition, it is fixedly connected on foamed concrete template
The connecting plate on top（2）And fill the physical blowing concrete between exempting to tear steel frame 3 D stereo screen template open（3）Composition, it is described
Connecting plate is provided with the pouring hole for pouring physical blowing concrete（6）, the physical blowing concrete（3）It is that many small pores are close
Close the combination of composition；Its construction method comprises the following steps：
The first step, exempts to tear the typesetting and making of steel frame 3 D stereo screen template open：Typesetting is carried out by design drawing, it is determined that foaming
The specification of concrete blinding, completes foamed concrete template construct in factory；
Second step, unwrapping wire：In strict accordance with typesetting figure unwrapping wire, the foamed concrete model sheetinstallat line on the bullet of wall installation position；
3rd step, installs keel：According to keel installation baseline, by keel installation in place；
4th step, foamed concrete model sheetinstallat：Specifications and models, installation side should be gone through before foamed concrete model sheetinstallat
Whether correctly to, whether foamed concrete template has modification or damage；
5th step, cement plate connecting plate is installed:Both sides model sheetinstallat well after, connecting plate tapping screw is fixed on two templates
Groove in, two templates is formed entirety, then pouring hole is bored on connecting plate with rig, for pouring foaming concrete,
When foamed concrete is not tamped in lower template, can be supplemented with upper strata foamed concrete；
6th step, foamed concrete cast：Go through whether model sheetinstallat meets the requirements, after meeting the requirements on inspection, can
Foamed concrete cast is carried out, one layer of foamed concrete template is installed, pour one step foaming concrete.
2. the construction method for exempting to tear the cast-in-place foaming concrete combined wall of steel frame stereo silk-screen template open according to claim 1,
Exempt to tear open steel frame 3 D stereo screen template week skirt and be provided with the galvanized steel plain sheet frame for being available for joggle to connect characterized in that, described
（7）, three-dimensional steel wire is provided with the foamed concrete in the frame（4）As skeleton.
3. the construction method for exempting to tear the cast-in-place foaming concrete combined wall of steel frame stereo silk-screen template open according to claim 1,
Characterized in that, the connecting plate is cement plate, connecting plate with exempt to tear open steel frame 3 D stereo screen template by screw（5）Gu
Fixed connection；Pouring hole is uniformly distributed on the connecting plate, every piece of connecting plate pouring hole（6）Number be 4-5, it is a diameter of
100mm；It is described to exempt to tear steel frame 3 D stereo screen template open（1）There is the thick crack resist at mortar with grid cloth of 5mm outer surface.
4. the construction method for exempting to tear the cast-in-place foaming concrete combined wall of steel frame stereo silk-screen template open according to claim 1,
Characterized in that, in the first step, the principle of typesetting is that foamed concrete template specification should be minimum, reduces factory process workload
And in-site installation difficulty.
5. the construction method for exempting to tear the cast-in-place foaming concrete combined wall of steel frame stereo silk-screen template open according to claim 1,
Characterized in that, in second step, hookup wire in floor slab bottoms and beam bottom bullet, and corresponding hookup wire should be vertical, with
Ensure the flatness and perpendicularity of wall, while simultaneously identifying the position of door-window opening.
6. the construction method for exempting to tear the cast-in-place foaming concrete combined wall of steel frame stereo silk-screen template open according to claim 1,
Characterized in that, in the third step, keel installation is welded keel on concrete floor or with the method for welding with screw
It is fixed on steel construction.
7. the construction method for exempting to tear the cast-in-place foaming concrete combined wall of steel frame stereo silk-screen template open according to claim 1,
Characterized in that, in the 4th step, it is determined that in the case of errorless, when all inspection projects meet the requirements, being incited somebody to action with tapping screw
Foamed concrete template is fixed on keel, and checks its flatness and perpendicularity, is installed opposite side with same method and is foamed
Concrete blinding.
8. the construction method for exempting to tear the cast-in-place foaming concrete combined wall of steel frame stereo silk-screen template open according to claim 1,
Characterized in that, in the 6th step, before pouring foaming concrete, bottom foamed concrete template and floor contact position should be used
Cement mortar carries out joint filling treatment, and other apertured places should also carry out encapsulation process.
9. the construction method for exempting to tear the cast-in-place foaming concrete combined wall of steel frame stereo silk-screen template open according to claim 1,
Characterized in that, in the 6th step, it is 600mm that height is poured every time, is poured to same foamed concrete form height, foamed concrete
When template is vertically installed, cast height must not exceed 1.55m.
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| CN201410346440.2A CN104100026B (en) | 2014-07-18 | 2014-07-18 | Construction method for disassembling-free steel-frame three-dimensional screen formwork cast-in-place foaming concrete composite wall |
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| CN201410346440.2A CN104100026B (en) | 2014-07-18 | 2014-07-18 | Construction method for disassembling-free steel-frame three-dimensional screen formwork cast-in-place foaming concrete composite wall |
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Inventor after: Xu Junyi Inventor after: Xu Shen Inventor after: Huang Zanxu Inventor after: Ding Jie Inventor after: Tu Wenjun Inventor after: Ren Guiquan Inventor before: Yan Guangda |
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Effective date of registration: 20170420 Address after: 330030 Jiangxi province Qingyunpu District of Nanchang City Shi Yao Road No. 999 building B building room 1301-1324 garden flora (thirteenth layer) Applicant after: JIANGXI SHUANGDE BUILDING ENGINEERING CO., LTD. Address before: Room 1, building Hua Huiyuan, No. 1, Warwick South Road, Beijing, Chaoyang District, China, No. 100021, building No. 1408 Applicant before: BEIJING ZHONGLIANHUAN HUANGMEI LIGHT STEEL STRUCTURE INSTALLATION CO., LTD. |
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