CN101586377B - Fire-proof adiabatic concrete sandwich wallboard and mounting method thereof - Google Patents

Fire-proof adiabatic concrete sandwich wallboard and mounting method thereof Download PDF

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Publication number
CN101586377B
CN101586377B CN2009103035961A CN200910303596A CN101586377B CN 101586377 B CN101586377 B CN 101586377B CN 2009103035961 A CN2009103035961 A CN 2009103035961A CN 200910303596 A CN200910303596 A CN 200910303596A CN 101586377 B CN101586377 B CN 101586377B
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China
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concrete
fire
proof
wainscot
adiabatic
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CN101586377A (en
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罗刚
张阳
刘吉贵
黄远洋
李鸿辉
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Shenzhen Institute of Building Research Co Ltd
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Shenzhen Institute of Building Research Co Ltd
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Abstract

A fire-proof adiabatic concrete sandwich wallboard and mounting method thereof, belonging to the building technical field, especially the technical field of building outer wall, comprises a concrete inner panel and a concrete outer panel. A binding component for connecting inner panel and the outer panel of the concrete is mounted at two sides of the width direction of the inner panel and the outer panel of the concrete. A metal embedded part is mounted on the inner panel of the concrete. The metal embedded part is fixed to the binding component. An adiabatic core material is mounted between the inner panel and the outer panel of the concrete. A fire-proof groove is mounted at two sides of the length direction of the inner panel of the concrete. This invention has the following advantage: improving the fire-proof performance because this invention comprises a fire-proof groove structure which can effectively prevent the flame directly burning the wallboard core material. And this invention can completely remove the thermal bridge in the wallboard and the whole building.

Description

Fire-proof adiabatic concrete sandwich wallboard and mounting method thereof
[technical field]
The present invention relates to a kind of fire-proof adiabatic concrete sandwich wallboard and mounting method thereof, it belongs to technical field of buildings, particularly the external wall technical field.
[background technology]
The exploitation of used for building exterior wall concrete panel is the important component part of industrialization of construction industry.Desirable used for building exterior wall concrete panel is except the physical and mechanical property of routine, also should possess following two characteristics: at first, the mounting means of external wall plate should adopt plug-in mode, beam, plate, the post of agent structure all are coated on inner side of outer wall, are beneficial to thoroughly eliminate the cold bridge of whole building.Secondly, this side fascia should have good thermal and insulating performance.
The patent No. is: the ZL200820092900.3 name is called: the utility model patent of " adiabatic concrete sandwich wallboard " discloses a kind of concrete and hung wallboard that can satisfy above-mentioned two characteristics simultaneously.But owing to adopted efficient heat insulating material such as EPS, XPS, PU, its fire endurance is difficult to satisfy the requirement of design standard.
Above-mentioned " adiabatic concrete sandwich wallboard " aufbauprinciple is: this concrete and hung wallboard is the sandwich structure, and its surface layer is common pea gravel concreten, and core can be selected multiple thermal insulation materials such as EPS, XPS, PU, glue powder polyphenyl particle, perlite plate for use.Tension member between the two concrete panel surface layers adopts veneer to make (its coefficient of thermal conductivity only is concrete 1/10th, and tensile strength is about ordinary construction with concrete 10 times).Adopting veneer to make tension member and can thoroughly eliminate the cold bridge of wallboard inside, is the innovative point of this scheme.The mounting means of innovative panellised wall is plug-in installation, the beam of agent structure, post etc. all can be coated on the inboard of exterior wall, thoroughly eliminates the cold bridge of whole building.Plug-in mounting means is a key technology of eliminating cold bridge.In described " adiabatic concrete sandwich wallboard " being carried out the process of fire endurance experiment, find: the fire endurance test specimen that is combined into vertically is installed at the trial by 5 blocks of bar shaped wallboards, flame is along plate face and vertical piece spray combustion as for plate, be subjected to fiery face meeting expanded by heating to combustion chamber direction projection, and the constraint of the above-mentioned tension member of very fast disengaging.But because the surface layer of every block of wallboard breaks away from the priority asynchronism(-nization) of tension member constraint, the wallboard surface layer that breaks away from constraint earlier can be obviously crooked more than other wallboard surface layer.At this moment, very big slit will occur between this wallboard surface layer and other wallboard, flame will directly burn the core of concrete sandwich wallboard by the back of eject slot to the wallboard surface layer.For the sandwich wall board that has adopted foamed plastics such as EPS, XPS, PU, even be provided with the inorganic heat insulation mortar fire proof heat-insulation layer between foamed plastics and wallboard surface layer, its fire endurance still is difficult to satisfy the requirement of design standard.
[summary of the invention]
The object of the present invention is to provide and a kind ofly have excellent fireproof performance and can prevent effectively that flame from directly burning the fire-proof adiabatic concrete sandwich wallboard and the mounting method thereof of wallboard core.
A kind of fire-proof adiabatic concrete sandwich wallboard, it comprises concrete wainscot and concrete outer panels, both sides at the described concrete wainscot and the width of concrete outer panels are provided with the tension member that is used to be connected concrete wainscot and concrete outer panels, described concrete wainscot is provided with metal embedded part, described metal embedded part is fixed on the tension member, is provided with adiabatic core between described concrete wainscot and concrete outer panels; The both sides of the length direction of described concrete wainscot are provided with the fire prevention groove, and the cross sectional shape of described fire prevention groove is semicircle or trapezoidal.
Also be provided with fire proof heat-insulation layer at described adiabatic core and concrete wainscot.
The described tension member that is used to connect concrete wainscot and concrete outer panels is a plywood panel.
Described adiabatic core is the pearlite slab block of material.
Described adiabatic core is EPS or XPS or PU foamed plastics or glue powder polyphenyl particle plate.
A kind of mounting method of described fire-proof adiabatic concrete sandwich wallboard is characterized in that it comprises following step:
A: at first upright fire-proof adiabatic concrete sandwich wallboard, and in the fire prevention groove of fire-proof adiabatic concrete sandwich wallboard blade coating cement paste or fluid sealant;
B: the coiled steel wire is embedded in the fire prevention groove,, most of steel wire is embedded in cement paste or the fluid sealant with scraper plate blade coating cement paste or fluid sealant on described helical form steel wire;
C: hold up another piece fire-proof adiabatic concrete sandwich wallboard, and in the fire prevention groove of fire-proof adiabatic concrete sandwich wallboard blade coating cement paste or fluid sealant, and with the fire-proof adiabatic concrete sandwich wallboard amalgamation of having buried the helical form steel wire through the b step process underground together, make the fire prevention groove amalgamation of two fire-proof adiabatic concrete sandwich wallboards become a fire prevention piece.
The fluid sealant of described blade coating on fire prevention groove and helical form steel wire is silicone sealant.
Beneficial effect of the present invention: the present invention utilizes tension member to guarantee concrete wainscot and firm being connected of concrete outer panels, and the tensile strength of tension member is about ordinary construction with concrete 10 times, so safety is guaranteed easily; And can be according to territory of use obstructed, select the adiabatic core of different heat transfer coefficient.And tension member of the present invention and plug-in mounting means can thoroughly be eliminated the cold bridge of wallboard inside and whole building.Because the present invention has had fire prevention groove structure, when adopting fire-proof adiabatic concrete sandwich wallboard of the present invention to be combined into body of wall, its edge joint position has just formed the vertical one by one slotted hole that can fill cementitious materials, it is as a whole to make that all wainscots connect into, can prevent effectively that like this flame from directly burning the wallboard core, improved fireproof performance of the present invention.
[description of drawings]
Fig. 1 is the structural representation of sandwich wall board of the present invention
Fig. 2 is the structural representation of tension member of the present invention
Fig. 3 is the right view of Fig. 2 of the present invention
Fig. 4 is one of mounting structure schematic diagram of the present invention
Fig. 5 is a local mounting structure schematic perspective view of the present invention
Fig. 6 is the structural representation of the embodiment 2 of sandwich wall board of the present invention
[specific embodiment]
Below in conjunction with accompanying drawing 123456, the present invention is further detailed:
Embodiment 1, as shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5:
With the bar shaped fire-proof adiabatic concrete sandwich wallboard is example, the present invention includes concrete wainscot 5 and concrete outer panels 8, both sides at the described concrete wainscot 5 and the width of concrete outer panels 8 are provided with the tension member 1 that is used to be connected concrete wainscot 5 and concrete outer panels 8, and described in the present embodiment tension member base material is a plywood panel.Be provided with the epoxy resin tackifier coating on the surface of described plywood panel, and be provided with equally distributed sand grains at the plate rib place on the long limit of described plywood panel.Described epoxy resin tackifier coating is an impregnated carbon fiber glue.Adiabatic core 61 is set between described concrete wainscot 5 and concrete outer panels 8, and described adiabatic core 61 is selected to adopt glue powder polyphenyl particle or perlite plate in the present embodiment, and its thickness is 80mm in the present embodiment; Described concrete wainscot 5 is provided with metal embedded part 2.Described metal embedded part 2 is made up of a U-shaped steel member 21 and the screw shell 22 that is arranged on the U-shaped steel member, and described U-shaped steel member is provided with attachment screw hole 24.
Be connected and fixed by screw 3 between tension member 1 and the metal embedded part 2.The side of the length direction of described concrete wainscot is provided with fire prevention groove 51, and the cross sectional shape of described fire prevention groove 51 is semicircle or trapezoidal.Be trapezoidal in the present embodiment.In the present embodiment, every block concrete wainscot 5 and concrete outer panels 8 need 2 of above-mentioned tension member laths, and the enhancing tension member is not set.Built-in fitting 2 is answered bonding adhesive such as brushwork epoxy resin with the contact surface of tension member 1.Present embodiment adopts glue powder polyphenyl particle or perlite plate as adiabatic core, and its thickness is 80mm.The thermal transmittance of present embodiment can accomplish to be not more than 0.75W/m 2K is adapted at the northern area of China and uses.
Production process of the present utility model is as follows:
Design and produce moulding form, in mould, finish the making of rafractory concrete sandwich wall board; With the base material of veneer flitch bar, metal embedded part 2 is installed, on base material to the above-mentioned external coating epoxy resin tackifier coating that is used to make the plywood panel of tension member 1 as tension member 1.Tension member 1 is fixed on the base plate of mould by built-in fitting 2 and supporting bolt 4, then the good entire die of assembly unit.Then, concreting wainscot in mould, the middle part thickness of wainscot is about 20mm, and the thickness at its fire prevention groove place, both sides is 30mm; Repave and put glue powder polyphenyl particle or perlite plate as adiabatic core, the thickness of adiabatic core is 80mm, and then the concreting outer panels, and the thickness of concrete outer panels is 20mm.Even sieve spreads the thick dry powder and mortar of 1~3mm on the surface of concrete outer panels, and it is plain to jolt-squeeze, and the external surface that obtains innovative panellised wall is the exterior wall external surface of future architecture thing.Maintenance form removal after 2 days, continuing maintenance to the age of concrete is 28 days.
Mounting method of the present invention comprises the steps:
A: at first upright fire-proof adiabatic concrete sandwich wallboard, and in the fire prevention groove 51 of fire-proof adiabatic concrete sandwich wallboard blade coating cement paste 9;
B: coiled steel wire 52 is embedded in the fire prevention groove,, most of steel wire is embedded in the cement paste with scraper plate blade coating cement paste on described helical form steel wire;
C: upright good another piece fire-proof adiabatic concrete sandwich wallboard, and in the fire prevention groove of fire-proof adiabatic concrete sandwich wallboard the blade coating cement paste, and with the fire-proof adiabatic concrete sandwich wallboard amalgamation of having buried the helical form steel wire through the b step process underground together, make the fire prevention groove amalgamation of two fire-proof adiabatic concrete sandwich wallboards become a fire prevention piece 10.
Embodiment 2, as shown in Figure 6:
In the present embodiment, be provided with the enhancing tension member 7 that is used to add pulling force between reinforced concrete wainscot 5 and the concrete outer panels 8 between described concrete wainscot 5 and the concrete outer panels 8.And between described adiabatic core 61 and concrete wainscot, also be provided with fire proof heat-insulation layer 62.The thickness of described adiabatic core 61 is 30mm.Being fit to southern area uses.Adiabatic core 61 is a foamed plastics, as foamed plastics such as EPS, XPS, PU.
When making fire-proof adiabatic concrete sandwich wallboard of the present invention, build pea gravel concreten wainscot 5 on die bottom plate, shakeout, after the ram-jolt, to place and strengthen tension member 7, described enhancing tension member 7 is identical with tension member 1 material, and built-in fitting 2 just is not installed.Embed in the concrete by knocking or shaking the lower limb that makes tension member 1 and strengthen tension member 7, the lay fire proof heat-insulation layer 62 then, and fire proof heat-insulation layer in the present embodiment is a kervit microbead insulated sand slurry, the about 30mm of thickness.
Mounting method of the present invention comprises the steps:
A: at first upright fire-proof adiabatic concrete sandwich wallboard, and in the fire prevention groove 51 of fire-proof adiabatic concrete sandwich wallboard the blade coating fluid sealant;
B: coiled steel wire 52 is embedded in the fire prevention groove,, most of steel wire is embedded in the fluid sealant with scraper plate blade coating fluid sealant on described helical form steel wire;
C: upright good another piece fire-proof adiabatic concrete sandwich wallboard, and in the fire prevention groove of fire-proof adiabatic concrete sandwich wallboard the blade coating fluid sealant, and with the fire-proof adiabatic concrete sandwich wallboard amalgamation of having buried the helical form steel wire through the b step process underground together, make the fire prevention groove amalgamation of two fire-proof adiabatic concrete sandwich wallboards become a fire prevention piece 10.
The fluid sealant of described in the present embodiment blade coating on fire prevention groove and helical form steel wire is silicone sealant.
Other structure division of present embodiment and mounting method and embodiment 1 are identical.

Claims (2)

1. the mounting method of a fire-proof adiabatic concrete sandwich wallboard is characterized in that it comprises following step:
A: at first upright fire-proof adiabatic concrete sandwich wallboard, and in the fire prevention groove (51) of fire-proof adiabatic concrete sandwich wallboard blade coating cement paste or fluid sealant;
B: helically wound steel wire (52) is embedded in the fire prevention groove,, most of steel wire is embedded in cement paste or the fluid sealant with scraper plate blade coating cement paste or fluid sealant on described helical form steel wire;
C: hold up another piece fire-proof adiabatic concrete sandwich wallboard, and in the fire prevention groove of fire-proof adiabatic concrete sandwich wallboard blade coating cement paste or fluid sealant, and with the fire-proof adiabatic concrete sandwich wallboard amalgamation of having buried helical form steel wire (52) through the b step process underground together, make the fire prevention groove amalgamation of two fire-proof adiabatic concrete sandwich wallboards become a fire prevention piece (10);
Described fire-proof adiabatic concrete sandwich wallboard comprises concrete wainscot (5) and concrete outer panels (8), both sides at the described concrete wainscot (5) and the width of concrete outer panels (8) are provided with the tension member (1) that is used to be connected concrete wainscot (5) and concrete outer panels (8), described concrete wainscot (5) is provided with metal embedded part (2), described metal embedded part is fixed on the tension member (1), is provided with adiabatic core (61) between described concrete wainscot (5) and concrete outer panels (8); The both sides that it is characterized in that the length direction of described concrete wainscot (5) are provided with fire prevention groove (51), and the cross sectional shape of described fire prevention groove (51) is semicircle or trapezoidal; The described tension member (1) that is used to connect concrete wainscot (5) and concrete outer panels (8) is a plywood panel.
2. the mounting method of the fire-proof adiabatic concrete sandwich wallboard described in claim 1 is characterized in that the fluid sealant of blade coating on fire prevention groove and helical form steel wire is silicone sealant.
CN2009103035961A 2009-06-24 2009-06-24 Fire-proof adiabatic concrete sandwich wallboard and mounting method thereof Active CN101586377B (en)

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CN101586377B true CN101586377B (en) 2011-11-23

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103821275A (en) * 2014-02-04 2014-05-28 王广武 Externally filled sandwich wall panel and preparation method thereof
CN204252375U (en) * 2014-02-04 2015-04-08 王广武 Sandwiched plate

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1409329A (en) * 1919-06-09 1922-03-14 Yamanouchi Genkichi Fireproof stone
BE881687A (en) * 1979-02-16 1980-05-30 Selam Sa INSULATING CARRIER WALL FOR PREFABRICATED CONSTRUCTION
US5600930A (en) * 1995-04-10 1997-02-11 Drucker; Ernest R. Construction system using lightweight fire-resistant panels
DE202005021073U1 (en) * 2005-07-13 2007-02-08 Puls, Dieter, Prof., Dr.-Ing. Fire protection unit for use in e.g. ship, has light-weight concrete containing composition of high-alumina cement, portland cement, perlite, water and flux material, and thermally expanding coating applied on surfaces of tongue and groove
CN201047132Y (en) * 2007-02-13 2008-04-16 冯葆纯 Prefabricated wallboard of load bearing heat preserving hollow
CN201172911Y (en) * 2008-03-24 2008-12-31 深圳市建筑科学研究院有限公司 Thermal insulation concrete sandwich wallboard
CN201495679U (en) * 2009-06-24 2010-06-02 深圳市建筑科学研究院有限公司 Fireproof and heat insulating concrete sandwich wall plate

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1409329A (en) * 1919-06-09 1922-03-14 Yamanouchi Genkichi Fireproof stone
BE881687A (en) * 1979-02-16 1980-05-30 Selam Sa INSULATING CARRIER WALL FOR PREFABRICATED CONSTRUCTION
US5600930A (en) * 1995-04-10 1997-02-11 Drucker; Ernest R. Construction system using lightweight fire-resistant panels
DE202005021073U1 (en) * 2005-07-13 2007-02-08 Puls, Dieter, Prof., Dr.-Ing. Fire protection unit for use in e.g. ship, has light-weight concrete containing composition of high-alumina cement, portland cement, perlite, water and flux material, and thermally expanding coating applied on surfaces of tongue and groove
CN201047132Y (en) * 2007-02-13 2008-04-16 冯葆纯 Prefabricated wallboard of load bearing heat preserving hollow
CN201172911Y (en) * 2008-03-24 2008-12-31 深圳市建筑科学研究院有限公司 Thermal insulation concrete sandwich wallboard
CN201495679U (en) * 2009-06-24 2010-06-02 深圳市建筑科学研究院有限公司 Fireproof and heat insulating concrete sandwich wall plate

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Owner name: SHENZHEN INSTITUTE OF BUILDING RESEARCH CO., LTD.

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Address after: Three road 518049 Guangdong city of Shenzhen province Futian District, Mei Ao No. 29

Patentee after: Shenzhen Institute of Building Research Co., Ltd.

Address before: Three road 518049 Guangdong city of Shenzhen province Futian District, Mei Ao No. 29

Patentee before: Shenzhen Building Science Research Institute Co., Ltd.