CN202767293U - Cast-in-place foam concrete external wall free of form removal - Google Patents

Cast-in-place foam concrete external wall free of form removal Download PDF

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Publication number
CN202767293U
CN202767293U CN 201220336096 CN201220336096U CN202767293U CN 202767293 U CN202767293 U CN 202767293U CN 201220336096 CN201220336096 CN 201220336096 CN 201220336096 U CN201220336096 U CN 201220336096U CN 202767293 U CN202767293 U CN 202767293U
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China
Prior art keywords
keel
cast
foam concrete
template
exterior wall
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Expired - Fee Related
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CN 201220336096
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Chinese (zh)
Inventor
李茹兰
刘家友
裴晓玮
冯利
贾荣强
贾葛飞
李汝平
李汝军
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Tai'an Modern Architecture Design & Consulting Co Ltd
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Tai'an Modern Architecture Design & Consulting Co Ltd
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Priority to CN 201220336096 priority Critical patent/CN202767293U/en
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Publication of CN202767293U publication Critical patent/CN202767293U/en
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Abstract

The utility model discloses a cast-in-place foam concrete external wall free of form removal. The cast-in-place foam concrete external wall free of form removal is mainly composed of an external layer, a self heat preservation external template free of removal, a template keel, cast-in-place foam concrete, an inner template and an inner layer. The external layer is composed of a plastering mortar layer and a coating layer or is composed of the plastering mortar layer and a face brick facing layer. The self heat preservation external template free of removal is of light weight board. The light weight board is non-ignitable, water-proof and anti-permeability and satisfies the requirement of heat insulation of the wall. The template keel is of a skeleton which supports and fixes the inner template and the outer template. The cast-in-place foam concrete is of filling materials and poured between the inner template and the outer template. The inner template is of sheet material. The sheet material is non-ignitable, light, water-proof, anti-permeability and has a certain strengthen. The inner layer is composed of plastering putty and a coating layer. According to the cast-in-place foam concrete external wall free of form removal, for the outer wall of a building, energy saving is integrated with structure, and integrity is good, thickness is reduced, effect of heat insulation and earthquake resistance is achieved. Therefore, the wall is light, fire-proof, water-proof and anti-permeability. The template is saved, construction process is reduced, construction efficiency is improved, and project cost is reduced.

Description

A kind of form-stripping free cast-in-situ foam concrete exterior wall
Technical field
The utility model relates to a kind of skin, and it is specially a kind of form-stripping free cast-in-situ foam concrete exterior wall applicable to skin.
Background technology
At present, in industry and the civilian construction exterior wall, cast-in-place concrete structure or the masonry structures of adopting more, in order to satisfy the thermal insulation requirement of exterior wall, usually wall heat insulation material is hung on concrete structure or the masonry structure outside outward and makes external wall outer insulation, or make sandwich heat preservation in the middle of directly heat insulating material being positioned over body of wall.Because most of external wall outer insulation materials are flammable or combustible material, can cause the fireproof performance of body of wall to descend, be unfavorable for building safety.
The problems such as when adopting external wall outer insulation, heat insulating material is the later stage to hang on exterior wall, affected by extraneous various factors, and the crack appears in heat insulating material easily, come off affect the energy-saving effect of building, can not realize the same life-span of building energy conservation and building structure.Adopt the concrete structure body of wall need to mount and dismount template, adopt Masonry Wall to need comparatively complicated working procedure, the later stage also needs to hang template etc., and therefore, the whole process efficiency of external wall construction is lower.
Along with the development of wall innovation technology, be response national energy-saving policy, be necessary to realize that by the development of new body of wall building energy conservation and building structure are integrated, improve efficiency of construction, reducing the construction costs.
Summary of the invention
In order to solve the problems referred to above that exist in the design and construction in the existing internal partition wall of building, the utility model provides a kind of form-stripping free cast-in-situ foam concrete exterior wall, this body of wall adopts the form-stripping free cast-in-situ mode to make, have that light weight is high-strength, water proof anti-seepage, shock resistance are good, the advantage of good integrity, wall form does not need to remove as a body of wall part in the work progress, can reduce the engineering template consumption, improve efficiency of construction, reduce the engineering construction cost.
For achieving the above object, the technical solution of the utility model is:
A kind of form-stripping free cast-in-situ foam concrete exterior wall comprises the exterior wall body, and exterior wall body medial surface is covered with respectively formwork keel, internal surface layer from inside to outside successively; Exterior wall body lateral surface is covered with formwork keel respectively from inside to outside successively, self-heat conserving exempts to tear open exterior sheathing, outer coversheet.
Further, be covered with inner formword between the medial surface cope match-plate pattern keel of described exterior wall body and the internal surface layer; Between described inner formword and the formwork keel, self-heat conserving exempts to tear open between exterior sheathing and the formwork keel and is coated with structure glue; Be fixed with screw between described inner formword and formwork keel.
Further, described formwork keel is comprised of vertical keel at the lateral keel that is positioned at exterior wall body front and back, exterior wall body two ends and the contact keel of fixing front and back lateral keel.
Further, described outer partition wall also includes anchoring piece, and the anchor pole end of described anchoring piece is anchored in the body of wall body by cast, and other end termination is fixed on self-heat conserving and exempts to tear open the exterior sheathing surface.
Further, described internal surface layer is comprised of the plastering putty that is positioned at internal layer and outer field dope layer; : described inner formword for do not fire, water-fast impervious, light weight board that intensity is high; Formwork keel is for there being high-strength, corrosion-resistant, the on-deformable material of light weight; Described body of wall body is the cast-in-place foamed concrete of porous lightweight material.
Operating principle of the present utility model and beneficial effect are:
The exterior wall that the utility model relates to comprises cast-in-place foamed concrete exterior wall body, and this external surface of exterior wall is covered with formwork keel successively, self-heat conserving exempts to tear open exterior sheathing, outer coversheet; The exterior wall body internal surface is covered with formwork keel, inner formword, internal surface layer successively.
Described internal surface layer is comprised of plastering putty and the outer field interior wall coating material of internal layer.
Described formwork keel is used for the body of wall body plenum of cast is carried out moulding, is convenient to the cast of body of wall body, and after being poured, its part that can be used as body of wall needn't be removed, and has reduced working link, plays simultaneously the reinforcement body of wall.
Be provided with inner formword between formwork keel and the internal surface layer, inner formword is attached on the formwork keel by structure glue, and tight can not produce empty the subsides between the two, has the effective advantage of fitting; Inner formword select do not fire, water-fast impervious and have the light weight board of some strength, further strengthen the effect of fire prevention, sound insulation.
Formwork keel is selected the lightweight section bar, and in order to supporting and fixing inner formword, vertical keel that formwork keel is used by the lateral keel that is positioned at both sides, two ends shutoff and the contact keel that play drawknot two lateral keel form; Lateral keel, vertical keel form a rectangle casting space like this, and the contact keel have avoided producing greatly because of body of wall the phenomenon of bulge when pouring into a mould, and it is smooth smooth to guarantee to pour into a mould back wall.
Self-heat conserving is exempted to tear open exterior sheathing and is fixed on the formwork keel by high-intensity structure glue, the anchoring piece of the outer wall body by being anchored at moulding by casting carries out secondary to be fixed, when cast, anchoring piece casts directly in the exterior wall body, anchoring effect is good, and needn't the later stage hang separately insulation layer, and easy construction is simple, time saving and energy saving, simultaneously because of the destruction of needn't the External Wall body punching, can not weaken intensity and the heat preservation and soundproof effect of exterior wall body.
Preferably; described exterior wall body adopts cast-in-place foamed concrete: described cast-in-place foamed concrete is comprised of aglites such as portland cement or Portland cement, flyash, foaming agent, haydite or expanded perlites, and dry density should be controlled at 500 kg/m 3About, intensity should not be less than 3.5MPa, and coefficient of thermal conductivity should be not more than 0.12W/ (mK), has gravity flow equality characteristics, takes cast in place process during construction, directly is cast between the template by reserving grout hole in template.
Described self-heat conserving exempts to tear open the exterior sheathing coefficient of thermal conductivity should be less than 0.06W/ (mK), and burning behavior class is A1, is incombustible material, and is water-fast impervious, and processability is good.Exterior sheathing adopts first high strength structure glue to be fixed on the formwork keel, then utilizes the exterior sheathing anchoring piece to be fixed on the foam concrete, realizes building energy conservation and structure-integrated.
As seen, outer coversheet, self-heat conserving exterior sheathing, formwork keel, exterior wall body, inner formword, internal surface layer are formed a kind of form-stripping free cast-in-situ foam concrete exterior wall, inside and outside template adopts dual fixed form, body of wall adopts self-heat conserving exterior sheathing and foam concrete Double insulating material, the walls material is incombustible material, can realize that body of wall is energy-conservation and structure-integrated, make body of wall have the premium properties such as fire prevention, water proof anti-seepage, heat-insulation and heat-preservation, sound insulation.
By above-mentioned wall body structure, the inside and outside template construction of body of wall is complete not to be removed, and can simplify working procedure, improves efficiency of construction, reduces construction costs.Take to avoid the effective measures of heat bridge, can guarantee the heat insulation and preservation effect of body of wall.Because body of wall uses material light weight, processability good, the design of body of wall and construction are all comparatively flexible, can reduce the building deadweight, the shock resistance of raising building.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Among the figure: 1, outer coversheet, 2, anchoring piece, 3, the self-heat conserving non-dismantling formwork, 4, the exterior wall body, 5, high strength structure glue, 6, formwork keel, 7, internal surface layer, 8, screw, 9, inner formword.
The specific embodiment
Be described further with reference to the accompanying drawings, as scheme now by reference to the accompanying drawings the utility model to be further described, Fig. 1 is a kind of enforcement of the present utility model.
As shown in Figure 1, a kind of form-stripping free cast-in-situ foam concrete exterior wall comprises exterior wall body 4, and the inboard of described exterior wall body 4 is covered with formwork keel 6, high-intensity structure glue 5, inner formword 9 and internal surface layer 7 from inside to outside successively; The inboard of exterior wall body 4 is covered with formwork keel 6, high-intensity structure glue 5, self-heat conserving non-dismantling formwork 3 and outer coversheet 1 from inside to outside successively.
For guaranteeing that self-heat conserving non-dismantling formwork 3 and formwork keel 6 and exterior wall body 4 fit tightly: be coated with high-intensity structure glue at exterior wall body 4 and self-heat conserving non-dismantling formwork 3; At the exterior wall body 4 interior anchoring pieces 2 that directly are cast with, the termination of anchoring piece 2 is fixed on the surface of self-heat conserving non-dismantling formwork 3.
For guaranteeing that inner formword 9 and formwork keel 6 fit tightly, inner formword 9 carries out secondary with formwork keel 6 by screw 8 to be fixed, screw 8 preferred countersunk self-tapping screws, and before the surface construction, countersunk self-tapping screw should carry out preservative treatment.
Internal surface layer 7 is comprised of plastering putty and the outer field interior wall coating material of internal layer, and plastering putty has the effect that hides the inner formword background color, and before the brushing interior wall coating material, plastering putty is answered levelling.
Described formwork keel 6 is by lateral keel, vertically keel and contact keel form, and various keel are combined into mesh template keel skeleton mutually, in order to fixing inner formword.
Preferably, the mean thermal transmittance of exterior wall body should be greater than 0.6 W/ (m 2K), the thickness of body of wall should be less than 160mm, and wall construction is complete, and self-heat conserving exempts to tear open exterior sheathing and inner formword will not be removed as a body of wall part.
Described inner formword 9 should be incombustible material, and burning behavior class is A1, answers light weight, has certain intensity, processability is good, for example, can adopt the sheet materials such as fiber reinforced cement board, fiber reinforced calcium silicate board, GRC flat board.Keel should have the characteristics such as light weight is high-strength, corrosion-resistant, not yielding.Be fixed on the formwork keel with high strength structure glue 5 first during construction, and then adopt countersunk self-tapping screw 8 to be fixed.
Described exterior wall body 4 adopts cast-in-situ foam concrete structure, and cast-in-place foamed concrete is comprised of aglites such as portland cement or Portland cement, flyash, foaming agent, haydite or expanded perlites, and dry density should be controlled at 500 kg/m 3About, intensity should not be less than 3.5MPa, and coefficient of thermal conductivity should be not more than 0.12W/ (mK), has gravity flow equality characteristics, takes cast in place process during construction, directly is cast between the template by reserving grout hole in template.
Self-heat conserving exempts to tear open exterior sheathing 3 coefficient of thermal conductivity should be less than 0.06W/ (mK), and burning behavior class is A1, is incombustible material, and is water-fast impervious, and processability is good.Exterior sheathing adopts first high strength structure glue 5 to be fixed on the formwork keel, then utilizes exterior sheathing anchoring piece 2 to be fixed on the foam concrete, realizes building energy conservation and structure-integrated.
During construction, at first construct formwork keel, formwork keel 6 forms mesh skeleton by lateral keel, vertical keel and contact keel, wherein lateral keel and the vertically orthogonal casting space of keel shape, the contact keel carry out drawknot with two lateral keel to be fixed, and prevents the phenomenon of cast bulge.
Can adopt high strength structure glue, expansion bolt or nailing to connect between each keel, spine material can adopt the materials such as timber, light gauge cold-formed steel shape, aluminium alloy extrusions, aluminium-plastic section bar, preferably uses lightweight, high-strength, the corrosion-resistant materials such as timber, aluminium-plastic section bar.
After making up formwork keel, adopt first high-intensity structure glue 5 that inner formword 9 is fixed on the formwork keel 6, then adopt countersunk self-tapping screw 8 to carry out secondary and fix, guarantee inner formword 9 and integrated with wall body; Adopt high-intensity structure glue 5 that self-heat conserving is exempted to tear open exterior sheathing 3 and be attached on the formwork keel 6, anchoring piece 2 is fixed on self-heat conserving in advance exempts to tear open exterior sheathing 3, anchored end is positioned at the casting space that formwork keel forms; Cast gets final product.
Before the foam concrete cast, the building sealant sealing should be adopted in the slit between the homonymy inner formword 2, and spillage when preventing pouring concrete should carry out preservative treatment to countersunk self-tapping screw 3 simultaneously.
Present embodiment is only applicable to explanation of the present utility model, is not limitation ot it, and those skilled in the art can make a change on this basis according to actual conditions.

Claims (10)

1. a form-stripping free cast-in-situ foam concrete exterior wall comprises exterior wall body (4), it is characterized in that: exterior wall body (4) medial surface is covered with respectively formwork keel (6), internal surface layer (7) from inside to outside successively; Exterior wall body lateral surface is covered with respectively formwork keel (6) from inside to outside successively, self-heat conserving exempts to tear open exterior sheathing (3), outer coversheet (1).
2. form-stripping free cast-in-situ foam concrete exterior wall according to claim 1 is characterized in that: be covered with inner formword (2) between the medial surface cope match-plate pattern keel (6) of described exterior wall body (4) and the internal surface layer (7).
3. form-stripping free cast-in-situ foam concrete exterior wall according to claim 2 is characterized in that: between described inner formword (9) and the formwork keel (6), self-heat conserving exempts to tear open between exterior sheathing (3) and the formwork keel (6) and be coated with structure glue (4).
4. it is characterized in that: be fixed with screw between described inner formword (2) and formwork keel (6) according to claim 2 or 3 described form-stripping free cast-in-situ foam concrete exterior walls.
5. it is characterized in that according to claim 1 or 3 described form-stripping free cast-in-situ foam concrete exterior walls: described formwork keel (6) by the vertical keel that are positioned at lateral keel before and after the exterior wall body (4), exterior wall body (4) two ends and fixing before and after the contact keel of lateral keel form.
6. form-stripping free cast-in-situ foam concrete exterior wall according to claim 1, it is characterized in that: also include anchoring piece (2), the anchor pole end of described anchoring piece (2) is anchored in the body of wall body (4) by cast, and other end termination is fixed on self-heat conserving and exempts to tear open exterior sheathing (3) surface.
7. form-stripping free cast-in-situ foam concrete exterior wall according to claim 1, it is characterized in that: described internal surface layer (7) is comprised of the plastering putty that is positioned at internal layer and outer field dope layer.
8. form-stripping free cast-in-situ foam concrete exterior wall according to claim 1, it is characterized in that: the thickness of body of wall should be less than 160mm.
9. it is characterized in that according to claim 2 or 3 described form-stripping free cast-in-situ foam concrete exterior walls: described inner formword (9) for do not fire, water-fast impervious, light weight board that intensity is high.
10. according to claim 1 or 3 described form-stripping free cast-in-situ foam concrete exterior walls, it is characterized in that: formwork keel (6) is for there being high-strength, corrosion-resistant, the on-deformable material of light weight; Described body of wall body (4) is the cast-in-place foamed concrete of porous lightweight material.
CN 201220336096 2012-07-12 2012-07-12 Cast-in-place foam concrete external wall free of form removal Expired - Fee Related CN202767293U (en)

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104032865A (en) * 2014-06-25 2014-09-10 孙大程 Keel assembly used for cast-in-place foam concrete of filling wall in building heat preservation reverse building method and construction method
CN104100026A (en) * 2014-07-18 2014-10-15 北京中联环环美轻钢结构安装有限公司 Disassembling-free steel-frame three-dimensional screen formwork cast-in-place foaming concrete composite wall and construction method
CN104831857A (en) * 2014-02-12 2015-08-12 吴淑环 Prefabricated aerated concrete plate or block
CN104878859A (en) * 2015-06-03 2015-09-02 奥克森(北京)新材料科技有限公司 Method for constructing filler wall of frame structure building and wall body structure
CN105544815A (en) * 2016-02-07 2016-05-04 天津鑫德源特能源科技发展有限公司 Cast-in-situ prefabricated non-dismantling integrally-assembled heat preservation outer formwork assembling structure
CN106121064A (en) * 2016-08-15 2016-11-16 安徽鸿路钢结构(集团)股份有限公司 The insulated fire structure of body of wall
CN106592814A (en) * 2016-12-22 2017-04-26 辽宁金帝建筑设计有限公司 Integrally cast demolding-free self-thermal insulation wall and construction method thereof
CN107060163A (en) * 2017-05-26 2017-08-18 南昌大学 A kind of integrated regenerated aggregate concrete curtain wall of heat preserving heat insulating noise insulation
CN107761998A (en) * 2017-10-19 2018-03-06 上海欧本钢结构有限公司 The heat preservation decoration integrative shear wall assembly system that steel joist is fixed with outer armor
CN108396917A (en) * 2018-04-02 2018-08-14 南昌大学 A kind of structure of outer wall board finish coat
CN109610763A (en) * 2018-12-25 2019-04-12 镇江市规划设计研究院 A kind of combined wall and its construction method of exterior walls of buildings
CN109881811A (en) * 2019-01-29 2019-06-14 上海圣奎塑业有限公司 Heat-preserving wall
CN111734018A (en) * 2020-06-09 2020-10-02 安徽海龙建筑工业有限公司 Formwork structure, disassembly-free mold and concrete wall construction method

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104831857A (en) * 2014-02-12 2015-08-12 吴淑环 Prefabricated aerated concrete plate or block
CN104032865A (en) * 2014-06-25 2014-09-10 孙大程 Keel assembly used for cast-in-place foam concrete of filling wall in building heat preservation reverse building method and construction method
CN104100026A (en) * 2014-07-18 2014-10-15 北京中联环环美轻钢结构安装有限公司 Disassembling-free steel-frame three-dimensional screen formwork cast-in-place foaming concrete composite wall and construction method
CN104878859A (en) * 2015-06-03 2015-09-02 奥克森(北京)新材料科技有限公司 Method for constructing filler wall of frame structure building and wall body structure
CN105544815B (en) * 2016-02-07 2019-09-03 天津鑫德源特能源科技发展有限公司 One kind is cast-in-place to build prefabricated whole assembly heat preservation exterior sheathing assembling structure free of demolition
CN105544815A (en) * 2016-02-07 2016-05-04 天津鑫德源特能源科技发展有限公司 Cast-in-situ prefabricated non-dismantling integrally-assembled heat preservation outer formwork assembling structure
CN106121064A (en) * 2016-08-15 2016-11-16 安徽鸿路钢结构(集团)股份有限公司 The insulated fire structure of body of wall
CN106592814A (en) * 2016-12-22 2017-04-26 辽宁金帝建筑设计有限公司 Integrally cast demolding-free self-thermal insulation wall and construction method thereof
CN107060163A (en) * 2017-05-26 2017-08-18 南昌大学 A kind of integrated regenerated aggregate concrete curtain wall of heat preserving heat insulating noise insulation
CN107761998A (en) * 2017-10-19 2018-03-06 上海欧本钢结构有限公司 The heat preservation decoration integrative shear wall assembly system that steel joist is fixed with outer armor
CN108396917A (en) * 2018-04-02 2018-08-14 南昌大学 A kind of structure of outer wall board finish coat
CN109610763A (en) * 2018-12-25 2019-04-12 镇江市规划设计研究院 A kind of combined wall and its construction method of exterior walls of buildings
CN109881811A (en) * 2019-01-29 2019-06-14 上海圣奎塑业有限公司 Heat-preserving wall
CN111734018A (en) * 2020-06-09 2020-10-02 安徽海龙建筑工业有限公司 Formwork structure, disassembly-free mold and concrete wall construction method

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