CN109822737A - Compound GRC wallboard of assembled and preparation method thereof - Google Patents

Compound GRC wallboard of assembled and preparation method thereof Download PDF

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Publication number
CN109822737A
CN109822737A CN201910066088.XA CN201910066088A CN109822737A CN 109822737 A CN109822737 A CN 109822737A CN 201910066088 A CN201910066088 A CN 201910066088A CN 109822737 A CN109822737 A CN 109822737A
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China
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grc
assembled
compound
wallboard
orientation
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CN201910066088.XA
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CN109822737B (en
Inventor
李清海
赵娇娇
李清原
高建伟
吴玉姣
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China Building Materials Academy CBMA
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China Building Materials Academy CBMA
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/24Structural elements or technologies for improving thermal insulation
    • Y02A30/244Structural elements or technologies for improving thermal insulation using natural or recycled building materials, e.g. straw, wool, clay or used tires

Abstract

The present invention relates to compound GRC wallboard of a kind of assembled and preparation method thereof, preparation method includes: to handle 3D fabric surface plastic-coated, and connect with flexible roof bolt, is placed in mold, and casting or spraying polymer modified cement mortar obtain GRC panel;Wherein, flexible roof bolt is connect with the keel for carrying on the back attached steelframe;The GRC panel is conserved to Surface hardened layer, the insertion of orientation direction bar is carried on the back in the location hole of attached steelframe;Insulating layer is subjected to punching processing according to the position of orientation direction bar, it is Nian Jie with the GRC panel by interface bonding agent;GRC confining bed is subjected to punching processing according to the position of orientation direction bar, it is Nian Jie with the insulating layer by interface bonding agent;The orientation direction bar is taken out, disk anchor bolt is inserted into the location hole and tightens fixation, obtains the compound GRC wallboard of assembled.The compound GRC wallboard of assembled of the present invention has many advantages, such as, collection heat preservation, fire prevention, decorative multi-function integration high from heavy and light, steel using amount province, assembling degree.

Description

Compound GRC wallboard of assembled and preparation method thereof
Technical field
The present invention relates to a kind of construction materials, more particularly to compound GRC wallboard of a kind of assembled and preparation method thereof.
Background technique
Assembled architecture is a kind of novel architectural construction form, has that construction cost is low, speed of application is fast, construction is bullied Waiting influences the advantages that small, successfully solves the problems such as excessively high site operation inefficiency, cost, environmental pollution.Develop assembled It is the major transformation and innovation of building trade, is conducive to save the social resources energy, reduces construction pollution, promote labour production effect Rate and quality safety are horizontal.In recent years, assembled architecture becomes the main flow direction of China's architectural composition.Currently, China Developing state is good at home for assembled architecture, but there is also a series of problems simultaneously, wherein hindering China's assembled architecture hair The deficiencies of technical factor of exhibition is the modularized design, connection, production, assembling of the mating component of assembled architecture.
Summary of the invention
It is a primary object of the present invention to provide a kind of novel compound GRC wallboard of assembled and preparation method thereof, The technical issues of solution be make it have from heavy and light, steel using amount save, assembling degree is high the advantages that, collection heat preservation, fire prevention, decoration it is more Function integration, thus more suitable for practical.
The object of the invention to solve the technical problems adopts the following technical solutions to realize.It proposes according to the present invention A kind of compound GRC wallboard of assembled preparation method comprising:
By the processing of 3D fabric surface plastic-coated, it is stereo grid shaped to form three dimensional separation, and connect with flexible roof bolt, be placed in mold In, casting or spraying polymer modified cement mortar obtain GRC panel;Wherein, the dragon of the flexible roof bolt and the attached steelframe of back Bone connection;
The GRC panel is conserved to Surface hardened layer, by the location hole of the orientation direction bar insertion attached steelframe of back In;
Insulating layer is subjected to punching processing according to the position of orientation direction bar, passes through interface bonding agent and the face GRC Plate bonding;
GRC confining bed is subjected to punching processing according to the position of orientation direction bar, passes through interface bonding agent and the guarantor Warm layer bonding;
The orientation direction bar is taken out, disk anchor bolt is inserted into the location hole and tightens fixation, is filled With the compound GRC wallboard of formula.
The object of the invention to solve the technical problems also can be used following technical measures and further realize.
Preferably, the preparation method of the compound GRC wallboard of assembled above-mentioned, wherein the 3D fabric and flexible roof bolt is logical Cross binding or interpolation connection;
The flexible roof bolt is L shape or T shape;
The flexible roof bolt uses welding or articulated connection with the keel for carrying on the back attached steelframe in advance;
The attached steelframe section of the back is flute profile, back-shaped or L shape, and assembled tie point or connection is arranged in end face or side Part.
Preferably, the preparation method of the compound GRC wallboard of assembled above-mentioned, wherein the polymer-modified cement mortar Component, by weight percentage comprising:
Cement: 40-50%;
Fine sand: 40-50%;
Polymer: 3-10%;
Water-reducing agent: 1.2-1.5%;
Defoaming agent: 0.08-0.1%;
The fluidity of the polymer-modified cement mortar is more than or equal to 220mm, and the bending resistance of the GRC panel after hardening is strong Degree is more than or equal to 25MPa.
Preferably, the preparation method of the compound GRC wallboard of assembled above-mentioned, wherein the insulating layer is rock wool, glass Cotton, inorganic heat insulation mortar, foamed ceramic or foam concrete.
Preferably, the preparation method of the compound GRC wallboard of assembled above-mentioned, wherein the GRC confining bed is sprayed using GRC It penetrates molding and obtains;
The component of the GRC confining bed, weight percent meter comprising:
Cement: 30-40%;
Sand: 40-60%;
Defoaming agent: 0.1-0.5%;
Water-reducing agent: 0.2-0.6%;
Metakaolin: 8-10%;
Miberal powder: 10-20%;
The fluidity of the GRC confining bed is more than or equal to 280mm, and the bending strength of the GRC panel after hardening is greater than etc. In 18MPa.
Preferably, the preparation method of the compound GRC wallboard of assembled above-mentioned, wherein the component of the GRC confining bed is also It include: the glass fibre of 4-5% or the high-elastic PVA fiber of 1-2%.
Preferably, the preparation method of the compound GRC wallboard of assembled above-mentioned, wherein the interface bonding agent is polymer Cement mortar.
Also the following technical solution is employed for the object of the invention to solve the technical problems to realize.It proposes according to the present invention A kind of compound GRC wallboard of assembled, be prepared by method above-mentioned;It successively includes: GRC panel, the first interfacial bonding Layer, insulating layer, second contact surface adhesive layer and GRC confining bed.
The object of the invention to solve the technical problems also can be used following technical measures and further realize.
Preferably, the compound GRC wallboard of assembled above-mentioned, wherein the GRC panel include 3D fabric, the attached steelframe of back and Flexible roof bolt;
GRC confining bed, insulating layer and the attached steelframe of back passes through disk anchor bolts.
Preferably, the compound GRC wallboard of assembled above-mentioned, wherein the bending resistance of the compound GRC wallboard of assembled destroys Load and self weight are than being more than or equal to 2.5.
By above-mentioned technical proposal, compound GRC wallboard of assembled of the present invention and preparation method thereof is at least had the advantage that
The compound GRC wallboard of assembled of the invention, bending resistance failing load and self weight keep the temperature layer material than being more than or equal to 2.5 And thickness is adjustable according to heat transfer coefficient, building energy conservation requirement, bearing capacity and endurance quality improve 20% or more, and improve labour effect 2-3 times of rate, the heat preservation of assembled wall collection, fire prevention, decoration multiple functions integration are realized, develops provider for assembled architecture Method.
The structural integrity of the compound GRC wallboard of assembled of the invention is strong, can be with assembled main structure (beam, column) even It connects, realizes full prefabrication and assembly constructionization construction and installation, greatly improve working efficiency.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention, And can be implemented in accordance with the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention and the accompanying drawings.
Detailed description of the invention
Fig. 1 is the sectional axonometric drawing of the compound GRC wallboard of assembled;
Fig. 2 is the top cross-sectional view of the compound GRC wallboard of assembled;
Fig. 3 is a kind of side view cutaway drawing of the compound GRC wallboard of assembled;
Fig. 4 is another side view cutaway drawing of the compound GRC wallboard of assembled.
Specific embodiment
It is of the invention to reach the technical means and efficacy that predetermined goal of the invention is taken further to illustrate, below in conjunction with Attached drawing and preferred embodiment, its specific embodiment party of GRC wallboard compound to assembled proposed according to the present invention and preparation method thereof Formula, structure, feature and its effect, detailed description is as follows.In the following description, different " embodiment " or " embodiment " refers to It is not necessarily the same embodiment.In addition, the special characteristic, structure or feature in one or more embodiments can be by any suitable shape Formula combination.
A kind of preparation method for the compound GRC wallboard of assembled that one embodiment of the present of invention proposes comprising:
By the processing of 3D fabric surface plastic-coated, it is stereo grid shaped to form three dimensional separation, and with pre-buried flexible roof bolt by tying up It pricks or the mode of interpolation connects, flexible roof bolt is in advance with the attached steelframe keel of back using welding or articulated connection.Flexible roof bolt is L shape Or T shape, it is made of hot galvanizing reinforcing bar or stainless steel material.When using welding, fusion length is not less than 25mm or by weldering Strength co-mputation is stitched to determine;When using hinged, hinged center is located on L shape or T shape anchor pole leg axis.Carrying on the back attached steelframe section is Flute profile, back-shaped, L shape, end face or side setting assembled tie point or connector and building girder, column carry out assembly and connection, are formed Macroplate aligns whole floor system;
3D fabric is placed in mold, casting or spraying polymer modified cement mortar obtain GRC panel;Casting or spray The height penetrated exceeds 3D fabric upper layer web 5mm, L shape or T shape flexible roof bolt foot polymer-modified cement mortar thickness not Less than 20mm.The cooperation weight percent of the polymer-modified cement mortar are as follows: cement 40-50%, fine sand 40-50%, Polymer 3-10%, water-reducing agent 1.2-1.5%, defoaming agent 0.08-0.1%.The fluidity of polymer modification material is more than or equal to 220mm, the GRC panel bending strength after hardening are more than or equal to 25MPa;
GRC panel surface uses at the various materials skin texture such as sandblasting, water mill, polishing, integral colouring, texture finishes or panelling Reason makes decorating wall surface layer have the decoration effect of the various natural textures such as quasi-fossil, wood grain, imitative copper, bamboo, stone material or pattern Fruit;
The GRC panel is conserved to Surface hardened layer, by the location hole of the orientation direction bar insertion attached steelframe of back In;
Insulating layer is subjected to punching processing according to the position of orientation direction bar, passes through interface bonding agent and the face GRC Plate bonding;Heat preservation layer material can choose rock wool, mineral wool, inorganic heat insulation mortar, foamed ceramic, foam concrete etc.;Interface Bonding agent is made of polymer cement mortar;
GRC confining bed is subjected to punching processing according to the position of orientation direction bar, passes through interface bonding agent and the guarantor Warm layer bonding;GRC confining bed uses GRC injection molding to prepare in advance, the weight percent preferably cooperated are as follows: cement 30-40%, Sand 40-60%, defoaming agent 0.1-0.5%, water-reducing agent 0.2-0.6%, metakaolin 8-10%, miberal powder 10-20%, glass fibre 4-5% or high-elastic PVA fiber 1-2%.The fluidity of the blasting materials of the GRC confining bed is more than or equal to 280mm, after hardening GRC panel bending strength be more than or equal to 18MPa;
The orientation direction bar is taken out, be inserted into the location hole disk anchor bolt and tighten by GRC confining bed, Insulating layer is connect with the attached steelframe of the back of GRC panel, obtains the compound GRC wallboard of assembled.
Another embodiment of the present invention proposes a kind of compound GRC wallboard of assembled, is prepared by method above-mentioned.Fig. 1 For the sectional axonometric drawing of the compound GRC wallboard of assembled, Fig. 2 is the top cross-sectional view of the compound GRC wallboard of assembled, and assembled is compound GRC wallboard successively includes: GRC panel 1, the first interfacial bonding layer 2, insulating layer 3, second contact surface adhesive layer 4 and GRC confining bed 5.
Wherein GRC panel 1 includes 3D fabric 6, the attached steelframe 7 of back and flexible roof bolt 8;
GRC confining bed 5, insulating layer 3 and the attached steelframe 7 of back are connected by disk anchor bolt 9.
Carry on the back end face or the side setting tie point 10 of attached steelframe 7.
The flexible roof bolt 8 of the compound GRC wallboard of assembled can be L shape or T shape, and side view cutaway drawing is respectively such as Fig. 3 and Fig. 4 institute Show.
The compound GRC wallboard of the assembled, bending resistance failing load and self weight are than being more than or equal to 2.5.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, according to According to technical spirit any simple modification, equivalent change and modification to the above embodiments of the invention, this hair is still fallen within In the range of bright technical solution.

Claims (10)

1. a kind of preparation method of the compound GRC wallboard of assembled, characterized in that it comprises:
By the processing of 3D fabric surface plastic-coated, it is stereo grid shaped to form three dimensional separation, and connect with flexible roof bolt, is placed in mold, Casting or spraying polymer modified cement mortar, obtain GRC panel;Wherein, the keel of the flexible roof bolt and the attached steelframe of back Connection;
The GRC panel is conserved to Surface hardened layer, it will be in the location hole of the orientation direction bar insertion attached steelframe of back;
Insulating layer is subjected to punching processing according to the position of orientation direction bar, it is viscous by interface bonding agent and the GRC panel It connects;
GRC confining bed is subjected to punching processing according to the position of orientation direction bar, passes through interface bonding agent and the insulating layer Bonding;
The orientation direction bar is taken out, disk anchor bolt is inserted into the location hole and tightens fixation, obtains assembled Compound GRC wallboard.
2. the preparation method of the compound GRC wallboard of assembled according to claim 1, which is characterized in that the 3D fabric It is connect with flexible roof bolt by binding or interpolation;
The flexible roof bolt is L shape or T shape;
The flexible roof bolt uses welding or articulated connection with the keel for carrying on the back attached steelframe in advance;
The attached steelframe section of the back is flute profile, back-shaped or L shape, and assembled tie point or connector is arranged in end face or side.
3. the preparation method of the compound GRC wallboard of assembled according to claim 1, which is characterized in that the polymer The component of modified cement mortar, by weight percentage comprising:
Cement: 40-50%;
Fine sand: 40-50%;
Polymer: 3-10%;
Water-reducing agent: 1.2-1.5%;
Defoaming agent: 0.08-0.1%;
The fluidity of the polymer-modified cement mortar is more than or equal to 220mm, and the GRC panel bending strength after hardening is greater than Equal to 25MPa.
4. the preparation method of the compound GRC wallboard of assembled according to claim 1, which is characterized in that the insulating layer For rock wool, mineral wool, inorganic heat insulation mortar, foamed ceramic or foam concrete.
5. the preparation method of the compound GRC wallboard of assembled according to claim 1, which is characterized in that the GRC closing Layer is obtained using GRC injection molding;
The component of the GRC confining bed, weight percent meter comprising:
Cement: 30-40%;
Sand: 40-60%;
Defoaming agent: 0.1-0.5%;
Water-reducing agent: 0.2-0.6%;
Metakaolin: 8-10%;
Miberal powder: 10-20%;
The fluidity of the GRC confining bed is more than or equal to 280mm, and the GRC panel bending strength after hardening is more than or equal to 18MPa。
6. the preparation method of the compound GRC wallboard of assembled according to claim 5, which is characterized in that the GRC closing The component of layer further include: the glass fibre of 4-5% or the high-elastic PVA fiber of 1-2%.
7. the preparation method of the compound GRC wallboard of assembled according to claim 1, which is characterized in that the interface is viscous Connecing agent is polymer cement mortar.
8. a kind of compound GRC wallboard of assembled, which is characterized in that be prepared by the described in any item methods of claim 1-7; It successively includes: GRC panel, the first interfacial bonding layer, insulating layer, second contact surface adhesive layer and GRC confining bed.
9. the compound GRC wallboard of assembled according to claim 8, which is characterized in that the GRC panel includes that 3D is knitted Object, the attached steelframe of back and flexible roof bolt;
GRC confining bed, insulating layer and the attached steelframe of back passes through disk anchor bolts.
10. the compound GRC wallboard of assembled according to claim 8, which is characterized in that the compound GRC wall of the assembled The bending resistance failing load of plate and self weight are than being more than or equal to 2.5.
CN201910066088.XA 2019-01-24 2019-01-24 Assembled composite GRC wallboard and preparation method thereof Active CN109822737B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111173175A (en) * 2020-01-10 2020-05-19 上海二十冶建设有限公司 Precise forming method of space curved surface GRC curtain wall

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0868157A (en) * 1994-08-30 1996-03-12 Daiwa House Ind Co Ltd Glass fiber reinforced cement wall panel and manufacture thereof
CN102094501B (en) * 2010-12-14 2013-01-09 南京倍立达实业有限公司 Glass fiber reinforced cement (GRC) insulation decorative wallboard and production method thereof
CN107859272A (en) * 2017-12-22 2018-03-30 南京倍立达新材料系统工程股份有限公司 A kind of high-strength GRC heat-insulation wall plates of assembled and its installation, production method
CN108329002A (en) * 2018-01-30 2018-07-27 南京工业大学 A kind of light foam geo-polymer composite insulation boards and preparation method thereof
CN108708466A (en) * 2018-07-05 2018-10-26 沈阳建筑大学 A kind of no cavity complex heat-preservation breaks heat bridge structure body and construction method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0868157A (en) * 1994-08-30 1996-03-12 Daiwa House Ind Co Ltd Glass fiber reinforced cement wall panel and manufacture thereof
CN102094501B (en) * 2010-12-14 2013-01-09 南京倍立达实业有限公司 Glass fiber reinforced cement (GRC) insulation decorative wallboard and production method thereof
CN107859272A (en) * 2017-12-22 2018-03-30 南京倍立达新材料系统工程股份有限公司 A kind of high-strength GRC heat-insulation wall plates of assembled and its installation, production method
CN108329002A (en) * 2018-01-30 2018-07-27 南京工业大学 A kind of light foam geo-polymer composite insulation boards and preparation method thereof
CN108708466A (en) * 2018-07-05 2018-10-26 沈阳建筑大学 A kind of no cavity complex heat-preservation breaks heat bridge structure body and construction method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111173175A (en) * 2020-01-10 2020-05-19 上海二十冶建设有限公司 Precise forming method of space curved surface GRC curtain wall

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