CN104100026A - Disassembling-free steel-frame three-dimensional screen formwork cast-in-place foaming concrete composite wall and construction method - Google Patents
Disassembling-free steel-frame three-dimensional screen formwork cast-in-place foaming concrete composite wall and construction method Download PDFInfo
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- CN104100026A CN104100026A CN201410346440.2A CN201410346440A CN104100026A CN 104100026 A CN104100026 A CN 104100026A CN 201410346440 A CN201410346440 A CN 201410346440A CN 104100026 A CN104100026 A CN 104100026A
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- 239000004567 concrete Substances 0.000 title claims abstract description 48
- 238000005187 foaming Methods 0.000 title claims abstract description 34
- 238000010276 construction Methods 0.000 title claims abstract description 15
- 239000002131 composite material Substances 0.000 title abstract description 5
- 238000009415 formwork Methods 0.000 title abstract 6
- 238000000034 method Methods 0.000 claims abstract description 15
- 239000004568 cement Substances 0.000 claims abstract description 8
- 239000011381 foam concrete Substances 0.000 claims description 51
- 229910000831 Steel Inorganic materials 0.000 claims description 47
- 239000010959 steel Substances 0.000 claims description 47
- 238000009434 installation Methods 0.000 claims description 23
- 238000007664 blowing Methods 0.000 claims description 7
- 238000007689 inspection Methods 0.000 claims description 6
- 238000010079 rubber tapping Methods 0.000 claims description 6
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 4
- 239000008397 galvanized steel Substances 0.000 claims description 4
- 239000011083 cement mortar Substances 0.000 claims description 3
- 238000005538 encapsulation Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 230000004048 modification Effects 0.000 claims description 3
- 238000012986 modification Methods 0.000 claims description 3
- 239000004570 mortar (masonry) Substances 0.000 claims description 3
- 239000013589 supplement Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 230000009970 fire resistant effect Effects 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 9
- 238000005265 energy consumption Methods 0.000 description 6
- 238000009413 insulation Methods 0.000 description 5
- 238000004134 energy conservation Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
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- 239000004793 Polystyrene Substances 0.000 description 1
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- 230000005540 biological transmission Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
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- 230000002950 deficient Effects 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 229920006389 polyphenyl polymer Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
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- 239000003643 water by type Substances 0.000 description 1
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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 nonweight-bearing enclosed structure materials for wall using in building construction, be specially one and exempt to tear open the cast-in-place foaming concrete combined wall of steel frame stereo silk-screen template and construction method.
Background technology
Can thermal insulation, can prevent fires again, this is two large function demands of current building.
China's building energy consumption accounts for 1/3 of whole society's total energy consumption at present.Northern China urban heating floor space only accounts for 10% of National urban floor space, and building energy consumption but accounts for 40%.Energy consumption maximum in China building is heating and refrigeration, and compared with the developed country close with weather conditions, every square metre of building heating energy consumption of China is 3 times of left and right of developed country.Will greatly increase energy consumption as the method with traditional solves heat supply in winter problem, worsen atmosphere pollution.
Because of the defective fire incident case causing of external wall heat insulating material for external combustibility too numerous to enumerate." about strengthening and improving firemanic suggestion " (No. [2011] 46, promulgated by the State Council) requirement that State Council prints and distributes, the heat insulating material for external of newly-built, renovating and enlarging engineering must not use combustible material without exception, and strict restriction is used combustible material.Occur in recent years some large-sized fires of various places, all relevant with external wall heat insulating material for external.
The requirement of building energy conservation is proposed among three of China's " energy-saving and emission-reduction " 12 planning " regulations.How to realize building energy conservation imperative, on market, there is now the new material of a lot of energy-conserving and environment-protective, such as prefabricated solid concrete wall is due to too heavy, transport installation cost is higher, polystyrene board wall body due to the not fire-retardant existence of polyphenyl material is flammable and burning after discharge a large amount of toxic gases and have insecurity, for the polyurethane of exterior-wall heat insulation or paste foamed concrete plate secondary heat preservation construction outward and cause cost too high.Also have gas concrete stripe board, cement block, GRC gently porous stripe board processed etc. use function singleness, and have wall crazing, the problem such as speed of application is slow.
Insulation and fire prevention, how cost and environmental protection, get both? also fewer at present high, the energy-conserving and environment-protective again of intensity, also fire prevention and inexpensive compatible material market.
Summary of the invention
For the problems referred to above, the invention discloses and exempt to tear open the cast-in-place foaming concrete combined wall of steel frame stereo silk-screen template, there is intensity high, energy-conserving and environment-protective, also fire prevention and inexpensive advantage.
Concrete solution is: exempt to tear open the cast-in-place foaming concrete combined wall of steel frame stereo silk-screen template, described combined wall comprises that exempting to tear open wallboard, the junction plate that is fixedly connected on foamed concrete template top and the filling that steel frame 3 D stereo screen template forms exempts to tear open the physical blowing concrete composition between steel frame 3 D stereo screen template, and described junction plate is provided with builds the concrete pouring hole of physical blowing.
Further, described in, exempting to tear open steel frame 3 D stereo screen template periphery is arranged with and can, for the galvanized steel plain sheet frame of joggle connection, be provided with three-dimensional steel silk screen as skeleton in the foamed concrete in frame.
Further, described junction plate is cement board, junction plate with exempt to tear steel frame 3 D stereo screen template open and be fixedly connected with by screw.On described junction plate, pouring hole is uniformly distributed, and the number of every junction plate plug hole is 4-5, and diameter is 100mm.Describedly exempt to tear open steel frame 3 D stereo screen template external surface and have the crack resist at mortar with grid cloth that 5mm is thick.
The invention also discloses the construction method of exempting to tear open the cast-in-place foaming concrete combined wall of steel frame stereo silk-screen template, comprise the steps:
The first step, typesetting and the making of exempting to tear open steel frame 3 D stereo screen template: carry out typesetting by design drawing, determine the specification of foamed concrete template, in factory, complete foamed concrete template construct.
Second step, unwrapping wire: in strict accordance with typesetting figure unwrapping wire, foamed concrete template hookup wire on the bullet of body of wall installation position.
The 3rd step, installs keel: according to keel installation baseline, keel installation is put in place.
The 4th step, foamed concrete template is installed: foamed concrete template should carefully check that whether specifications and models, installation direction etc. be correct before installing, and whether foamed concrete template has modification or damage.
The 5th step, cement board junction plate is installed: after both sides foamed concrete template installs, junction plate is fixed on tapping screw in the groove of two templates, make two templates form entirety, on junction plate, bore again plug hole with rig, be used for pouring foaming concrete, in the time that foamed concrete does not tamp in lower floor's foamed concrete template, can supplement with upper strata foamed concrete.
The 6th step, foamed concrete cast: carefully check whether template installation meets the requirements, and after meeting the requirements on inspection, can carry out foamed concrete cast, and one deck template is installed, pouring 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 workload and on-the-spot installation difficulty.
Further, in second step, equal hookup wire on bullet at the bottom of floor slab bottoms and beam, and corresponding hookup wire should be vertical, to ensure planeness and the verticality etc. of body of wall, simultaneously and identify the position of door and window hole.
Further, in the 3rd step, with screw by keel installation on concrete floor or with welding method keel are fixedly welded on steel work.
Further, in the 4th step, determining errorless in the situation that, when all inspection items meet the requirements, foamed concrete template is being fixed on keel with tapping screw.And check its planeness and verticality etc., use the same method opposite side foamed concrete template is installed.
Further, in the 6th step, before pouring foaming concrete, bottom foamed concrete template and floor contact position should be carried out to joint filling processing by cement mortar, encapsulation process also should be carried out in other apertured places.
Further, in the 6th step, each pouring is highly 600mm, waters to same foamed concrete template height, and when foamed concrete template is vertically installed, cast height must not exceed 1.55m.
The present invention compared with prior art has following advantage:
1, energy conservation: cast-in-place foamed concrete combined wall, by the airtight combination that forms of many small pores, can effectively completely cut off the discrepancy of heat, can play auxiliary adjusting air effect to Indoor environment outdoor environment, improves heat-insulating property.Reduce the loss of heat, not containing any toxic substance, environmental protection, nontoxic, reach low-carbon energy-saving environmental protection.
2, fire-proof shock-proof: the present invention uses A1 noncombustible construction material.Fire endurance >=3h, bending resistance carrying >=1.5.
3, heat preservation and soundproof: it is airtight porous that the present invention uses the foamed concrete that special process is made.240mm thickness of slab wall thermal transmittance≤0.543.240mm thickness of slab wall air borne sound sound transmission loss/dB >=42.
4, bulk strength is high: 3 D stereo silk screen steel frame is combined into an entirety with joggle and horizontal connection, has given full play to the advantage of each material, therefore this combined wall has higher bulk strength.
5, not dewfall of surface: not only compact conformation, firmly but also there is no cold bridge of integral assembled form of the present invention, the inside and outside foamed concrete of body of wall has effectively been avoided the dewfall phenomenon causing greatly due to the inside and outside humidity temperature difference, to affect the normal use of building.
6, labor and material saving: the present invention's insulation can be adjusted thickness of wall body by designing requirement makes it to reach requirement, and exterior wall need not do secondary insulation, the target reducing costs to reach labor and material saving again.
7, speed of application is fast: template of the present invention is that on-the-spot joggle assembling need not be dismantled, and infilled wall is cast in situs foamed concrete, therefore saves a large amount of transports and hanging device, has also saved a large amount of operating expenses.Cast 30m per hour
3 .
Brief description of the drawings
Fig. 1 is for exempting to tear open the cast-in-place foaming concrete composite wall body structure of steel frame stereo silk-screen template schematic diagram;
Fig. 2 is polylith combined wall combination scheme of installation;
Fig. 3 is combined wall joggle connected node enlarged drawing;
In figure, 1-exempts to tear open steel frame 3 D stereo screen template; 11-exempts to tear open steel frame 3 D stereo screen template end opening; It is suitable for reading that 12-exempts to tear open steel frame 3 D stereo screen template; 2-junction plate; 3-physical blowing concrete; 4-three-dimensional steel silk screen; 5-screw; 6-plug hole; 7-galvanized steel plain sheet frame.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described.
Of the present inventionly exempt to tear open the cast-in-place foaming concrete combined wall of steel frame stereo silk-screen template and comprise exempting to tear open wallboard, the junction plate 2 that is fixedly connected on foamed concrete template top that steel frame 3 D stereo screen template 1 forms and filling the physical blowing concrete 3 of exempting to tear open between steel frame 3 D stereo screen template and form, junction plate is provided with builds the concrete pouring hole 6 of physical blowing.Exempt to tear open steel frame 3 D stereo screen template periphery and be arranged with the galvanized steel plain sheet frame 7 that can connect for joggle, in foamed concrete in frame, be provided with three-dimensional steel silk screen 4 as skeleton, exempting to tear open steel frame 3 D stereo screen template 1 external surface has the crack resist at mortar with grid cloth that 5mm is thick.Junction plate is cement board, junction plate with exempt to tear steel frame 3 D stereo screen template open and be fixedly connected with by screw 5.On junction plate, pouring hole is uniformly distributed, and the number of every junction plate plug hole is 4-5, and diameter is 100mm.
The construction method of exempting to tear open the cast-in-place foaming concrete combined wall of steel frame stereo silk-screen template of the present invention is:
The first step, typesetting and the making of exempting to tear open steel frame 3 D stereo screen template: carry out typesetting by design drawing, determine the specification of template, in factory, complete template construct.The principle of typesetting is that template specification should be minimum, reduces factory process workload and on-the-spot installation difficulty.
Second step, unwrapping wire: in strict accordance with typesetting figure unwrapping wire, at body of wall installation position bullet cope match-plate pattern hookup wire.Equal hookup wire on bullet at the bottom of floor slab bottoms and beam, and corresponding hookup wire should be vertical, to ensure planeness and the verticality etc. of body of wall, simultaneously and identify the position of door and window hole.
The 3rd step, installs keel: according to keel installation baseline, keel installation is put in place.With screw by keel installation on concrete floor or with welding method keel are fixedly welded on steel work.
The 4th step, template is installed: foamed concrete template should carefully check that whether specifications and models, installation direction etc. be correct before installing, and whether template has modification or damage.Determining errorless in the situation that, when all inspection items meet the requirements, template is being fixed on keel with tapping screw.And check its planeness and verticality etc., use the same method opposite side template is installed.
The 5th step, cement board junction plate is installed: after two side templates install, junction plate is fixed on tapping screw in the groove of two templates, make two templates form entirety, on junction plate, bore again plug hole with rig, be used for pouring foaming concrete, in the time that foamed concrete in lower template does not tamp, can supplement with upper strata foamed concrete.
The 6th step, foamed concrete cast: carefully check whether template installation meets the requirements, and after meeting the requirements on inspection, can carry out foamed concrete cast, and one deck template is installed, pouring one step foaming concrete.Before pouring foaming concrete, bottom template and floor contact position should be carried out to joint filling processing by cement mortar, encapsulation process also should be carried out in other apertured places, and each pouring is highly 600mm, water to isotype plate height, when template is vertically installed, cast height must not exceed 1.55m.
Claims (10)
1. exempt to tear open the cast-in-place foaming concrete combined wall of steel frame stereo silk-screen template for one kind, it is characterized in that, described combined wall comprises that exempting to tear open the wallboard of steel frame 3 D stereo screen template (1) formation, the junction plate (2) that is fixedly connected on foamed concrete template top and filling exempts to tear open physical blowing concrete (3) composition between steel frame 3 D stereo screen template, and described junction plate is provided with builds the concrete pouring hole of physical blowing (6).
2. exempting from described in 1 torn the cast-in-place foaming concrete combined wall of steel frame stereo silk-screen template open as requested, it is characterized in that, describedly exempt to tear open steel frame 3 D stereo screen template periphery and be arranged with the galvanized steel plain sheet frame (7) that can connect for joggle, in the foamed concrete in described frame, be provided with three-dimensional steel silk screen (4) as skeleton.
3. exempting from described in 1 torn the cast-in-place foaming concrete combined wall of steel frame stereo silk-screen template open as requested, it is characterized in that, described junction plate is cement board, junction plate with exempt to tear steel frame 3 D stereo screen template open and be fixedly connected with by screw (5); On described junction plate, pouring hole is uniformly distributed, and the number of every junction plate plug hole (6) is 4-5, and diameter is 100mm; Describedly exempt to tear open steel frame 3 D stereo screen template (1) external surface and have the crack resist at mortar with grid cloth that 5mm is thick.
4. a construction method of exempting to tear open the cast-in-place foaming concrete combined wall of steel frame stereo silk-screen template, is characterized in that, comprises the steps:
The first step, typesetting and the making of exempting to tear open steel frame 3 D stereo screen template: carry out typesetting by design drawing, determine the specification of foamed concrete template, in factory, complete foamed concrete template construct;
Second step, unwrapping wire: in strict accordance with typesetting figure unwrapping wire, foamed concrete template hookup wire on the bullet of body of wall installation position;
The 3rd step, installs keel: according to keel installation baseline, keel installation is put in place;
The 4th step, foamed concrete template is installed: foamed concrete template should carefully check that whether specifications and models, installation direction etc. be correct before installing, and whether foamed concrete template has modification or damage;
The 5th step, cement board junction plate is installed: after two side templates install, junction plate is fixed on tapping screw in the groove of two templates, make two templates form entirety, on junction plate, bore again plug hole with rig, be used for pouring foaming concrete, in the time that foamed concrete in lower template does not tamp, can supplement with upper strata foamed concrete;
The 6th step, foamed concrete cast: carefully check whether template installation meets the requirements, and after meeting the requirements on inspection, can carry out foamed concrete cast, and one deck foamed concrete template is installed, pouring one step foaming concrete.
5. construction method of exempting to tear open the cast-in-place foaming concrete combined wall of steel frame stereo silk-screen template according to claim 4, it is 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 on-the-spot installation difficulty.
6. construction method of exempting to tear open the cast-in-place foaming concrete combined wall of steel frame stereo silk-screen template according to claim 4, it is characterized in that, in second step, equal hookup wire on bullet at the bottom of floor slab bottoms and beam, and corresponding hookup wire should be vertical, to ensure planeness and the verticality etc. of body of wall, the while also identifies the position of door and window hole.
7. construction method of exempting to tear open the cast-in-place foaming concrete combined wall of steel frame stereo silk-screen template according to claim 4, it is characterized in that, in the 3rd step, with screw by keel installation on concrete floor or with welding method keel are fixedly welded on steel work.
8. construction method of exempting to tear open the cast-in-place foaming concrete combined wall of steel frame stereo silk-screen template according to claim 4, it is characterized in that, in the 4th step, determining errorless in the situation that, when all inspection items meet the requirements, foamed concrete template is fixed on keel with tapping screw, and checks its planeness and verticality etc., use the same method opposite side foamed concrete template is installed.
9. construction method of exempting to tear open the cast-in-place foaming concrete combined wall of steel frame stereo silk-screen template according to claim 4, it is characterized in that, in the 6th step, before pouring foaming concrete, bottom foamed concrete template and floor contact position should be carried out to joint filling processing by cement mortar, encapsulation process also should be carried out in other apertured places.
10. construction method of exempting to tear open the cast-in-place foaming concrete combined wall of steel frame stereo silk-screen template according to claim 4, it is characterized in that, in the 6th step, each pouring is highly 600mm, water to same foamed concrete template height, when foamed concrete 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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| CN104775621A (en) * | 2015-04-23 | 2015-07-15 | 奥克森（北京）新材料科技有限公司 | Building formwork constructing method |
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