CN1478971A - Composite building board material capable of load bearing and its productioin method - Google Patents

Composite building board material capable of load bearing and its productioin method Download PDF

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Publication number
CN1478971A
CN1478971A CNA031459757A CN03145975A CN1478971A CN 1478971 A CN1478971 A CN 1478971A CN A031459757 A CNA031459757 A CN A031459757A CN 03145975 A CN03145975 A CN 03145975A CN 1478971 A CN1478971 A CN 1478971A
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foam cement
layer
cement
foam
housing
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CNA031459757A
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Chinese (zh)
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CN1208534C (en
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志 樊
樊志
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志 樊
樊志
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Priority to CN 03145975 priority Critical patent/CN1208534C/en
Publication of CN1478971A publication Critical patent/CN1478971A/en
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Publication of CN1208534C publication Critical patent/CN1208534C/en

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Abstract

A composite building plate able to bear load is composed of the external frame, foamed cement layer filled into the frame, and surfacial layers, and features that several steel columns or beams are unidirectionally arranged in the frame, which have through holes for allowing the foamed cement to penetrate through them. Its advantages are light weight, high weatherability, insulation to heat and sound, and resistance to water, acid and alkali, and low cost.

Description

But a kind of composite building board of load-bearing and method for manufacturing thereof

Technical field

The invention belongs to building field, but be meant a kind of foam cement composite building board and method for manufacturing thereof of load-bearing especially.

Background technology

At present, what occur in construction work has a multi-functional building board, be mostly decorate, the building board of insulation unification, comprise the building board that some are combined with each other with steel frame and light heat insulation material.But lack a kind of composite building sheet material that can satisfy functions such as load-bearing, decoration, insulation simultaneously.

Summary of the invention

The object of the present invention is to provide a kind of is main load-bearing skeleton with steel work, is filler with the foam cement, has the building composite board and a method for manufacturing thereof of load-bearing property.

Technical scheme of the present invention is:

But a kind of foam cement composite building board of load-bearing, it is mainly compound and constitute by housing, foam cement layer and surface layer, it is characterized in that: but in housing unidirectional or multidirectional steel structure column or the beam that some load-bearing are set; And on described post or beam, be provided with transparent hole of several foam cements or space; And in housing, be filled with the foam cement inserts, to form the foam cement layer; On two surfaces of described foam cement layer, be provided with the surface layer that strengthens by anticracking material.

Wherein, described housing, post or beam are profiled-cross-section shaped steel, and it comprises: channel-section steel, angle steel, C shaped steel; And shaped steel and reinforcing bar or small bore shaped steel truss combining structure.

Described foam cement, be by sulphate aluminium cement or sulphate aluminium cement with after portland cement mixes, add the blowing agent foamed solidification again and form; Or be light heat insulation material, it comprises: the mixture of other class foam cement, foaming plaster, cement and lightweight aggregate.

The thickness of foam cement layer requires according to the energy-saving heat preserving of building and determines.

Described surface layer is to be made of cement or resin cement, modified cement, elastic cement material; Or be organic material, as: thick coating, fiberglass paint etc.

Described anticracking material can be fibrous material, fibrous material grid cloth, cellulose or organic resin; Or gauze wire cloth, and the mutual combination of above-mentioned material.

When described surface layer was made of the rubber-like surface layer, it comprised: resin cement surface layer or elastic coating; And anticracking material is not set in it.

Described surface layer can be made into different shape, for example: brickwork joint pattern, various pattern followed rock, corrugated shape shape, various moulding and other decorative pattern.

Described surface layer, can also make shades of colour or with the compound use of other shades of colour ornament materials, for example: surface layer uses coloured cement, brushes various building coatings, composite wood board, aluminium sheet, metal sheet, aluminium-plastic panel, plastic plate and ceramic tile, other various ornament materials etc.

Described foam cement composite building board, it can make gusset, flat board, curved slab shape.

But a kind of method for manufacturing of foam cement composite building board of load-bearing, it is characterized in that: it comprises:

1, at first, but some load-bearing and the post that have hole or space of housing and unidirectional setting or the formed steel work of beam be placed on make on the template;

2, by certain proportioning cement slurry is stirred after, can according to demand a certain amount of cement slurry be poured in the housing;

3 and lay glass fabric, it is shakeout and form the following surface layer that anticracking material strengthens;

4, by certain proportioning cement slurry is stirred after, add blowing agent, and the back that stirs forms the foam cement slurry; And foam cement slurry poured in housing, become foam cement by shakeouing, foam the bulging of splashing; And it all is full of hole or space in post in the housing or the formed steel work of beam;

5, it is solidified at normal temperatures; In order to quicken to be solidified to form certain intensity, also can make its heating and moistening, but need not high temperature, steam curing at high pressure; The foam cement that has solidified can and descend surface layer to be combined with each other with post in the housing or beam;

6, according to the actual needs of foam cement layer thickness, excision foam cement redundance is also cleared up the dirt slag;

7, by certain proportioning cement slurry is stirred after, can according to demand a certain amount of cement slurry be poured into and excise and clear up on the foam cement surface of finishing; Re-lay glass fabric, it is shakeout and form the upper layer that anticracking material strengthens;

8, it is continued at normal temperatures solidify; In order to quicken to be solidified to form certain intensity, also can make its heating and moistening, but need not high temperature, steam curing at high pressure; After reaching certain intensity, can remove, can be made into the foam cement composite building board making template.

But another method for manufacturing of a kind of foam cement composite building board of load-bearing, it is characterized in that: it comprises:

1, at first, but some load-bearing and the post that have hole or space of housing and unidirectional setting or the formed steel work of beam be placed on make on the template;

2, by certain proportioning cement slurry is stirred after, can according to demand a certain amount of cement slurry be poured in the housing;

3 and lay glass fabric, it is shakeout and form the following surface layer that anticracking material strengthens;

4, by certain proportioning cement slurry is stirred after, add blowing agent, and the back that stirs forms the foam cement slurry; And foam cement slurry poured in the prefabricated mould foam, and curing molding; And cut into the foam cement bulk according to the demand size; (this step can prepare in advance)

5,, be placed on down according to demand on the surface layer and in the centre of housing and post or the formed steel work of beam again with the foam cement bulk;

6, with material with gelling property, it comprises: cement mortar, foam cement, cement and light material mixture etc., tamp the slit between the hole in the formed steel work of housing, post or beam or space and the foam cement bulk and be full of;

7, it is solidified at normal temperatures; In order to quicken to be solidified to form certain intensity, also can make its heating and moistening, but need not high temperature, steam curing at high pressure; The foam cement that has solidified can and descend surface layer to be combined with each other with post in the housing or beam;

8, according to the actual needs of foam cement layer thickness, excision foam cement redundance is also cleared up the dirt slag;

9, by certain proportioning cement slurry is stirred after, can according to demand a certain amount of cement slurry be poured into and excise and clear up on the foam cement surface of finishing; Re-lay glass fabric, it is shakeout and form the upper layer that anticracking material strengthens;

10, it is continued at normal temperatures solidify; In order to quicken to be solidified to form certain intensity, also can make its heating and moistening, but need not high temperature, steam curing at high pressure; After reaching certain intensity, can remove, can be made into the foam cement composite building board making template.

The invention has the advantages that: it has fire prevention, high-efficiency insulated performance; And light weight, durable, sound insulation, cracking resistance, shock resistance, against weather is good; Product is water-fast, acid-alkali-corrosive-resisting; It can be made into the shape of gusset, flat board, curved slab; Load-bearing, insulation and decoration integrated.The present invention has also that construction is quick and convenient, cost is low, and need not the advantage of high temperature, steam curing at high pressure.

Description of drawings

Fig. 1-1: be foam cement composite plate structure A-A sectional drawing of the present invention.

Fig. 1-2: be foam cement composite plate structure B-B sectional drawing of the present invention.

Fig. 2-1: be the channel-section steel structural representation in the embodiment of the invention 1.

Fig. 2-2: be the channel-section steel structure A-A sectional drawing in the embodiment of the invention 1.

Fig. 3-1: be the steel truss combining structure schematic diagram in the embodiment of the invention 2.

Fig. 3-2: be the steel truss combining structure lateral view in the embodiment of the invention 2.

Fig. 4-1: be the steel truss combining structure schematic diagram in the embodiment of the invention 3.

Fig. 4-2: be the steel truss combining structure lateral view in the embodiment of the invention 3.

The specific embodiment

Below in conjunction with Figure of description and embodiment, the present invention is further illustrated.

Embodiment 1:

Shown in Fig. 1-1~Fig. 2-2, but a kind of foam cement composite building board of load-bearing, it is mainly compound and constitute by housing 1, foam cement layer 2 and surface layer 3,3 ', it is characterized in that: unidirectional in housing 1 (or multidirectional) but the channel-section steel 4 of some load-bearing is set; And on channel-section steel 4, be provided with the transparent hole 5 of several foam cements; And in housing 1, be filled with the foam cement inserts, to form foam cement layer 2; On two surfaces of described foam cement layer 2, be provided with the surface layer 3 that strengthens by anticracking material.

Method for manufacturing of the present invention comprises:

1, at first, but some load-bearing and the channel-section steel 4 formed steel work that have hole 5 of housing 1 and unidirectional setting be placed on make on the template;

2, by certain proportioning cement slurry is stirred after, can according to demand a certain amount of cement slurry be poured in the housing 1;

3 and lay glass fabric, it is shakeout and form the following surface layer 3 that anticracking material strengthens;

4, by certain proportioning cement slurry is stirred after, add blowing agent, and the back that stirs forms the foam cement slurry; And foam cement slurry poured in housing 1, become foam cement by shakeouing, foam the bulging of splashing; And it all is full of the hole in the channel-section steel 4 in the housing 1;

5, it is solidified at normal temperatures; In order to quicken to be solidified to form certain intensity, also can make its heating and moistening, but need not high temperature, steam curing at high pressure; The foam cement 2 that has solidified, can reaching the channel-section steel in the housing 14 down, surface layer 3 be combined with each other;

6, according to the actual needs of foam cement layer thickness, excision foam cement redundance is also cleared up the dirt slag;

7, by certain proportioning cement slurry is stirred after, can according to demand a certain amount of cement slurry be poured into and excise and clear up on the foam cement surface of finishing; Re-lay glass fabric, it is shakeout and form the upper layer 3 ' that anticracking material strengthens;

8, it is continued at normal temperatures solidify; In order to quicken to be solidified to form certain intensity, also can make its heating and moistening, but need not high temperature, steam curing at high pressure; After reaching certain intensity, can remove, can be made into the foam cement composite building board making template.

Embodiment 2:

Shown in Fig. 1-1, Fig. 1-2, Fig. 3-1, Fig. 3-2, but a kind of foam cement composite building board of load-bearing, it is mainly compound and constitute by housing 1, foam cement layer 2 and surface layer 3, it is characterized in that: unidirectional in housing 1 (or multidirectional) but steel truss combining structure 7 some load-bearing, that be welded to form by angle steel 44 and Z font reinforcing bar 6 is set; And in housing 1, be filled with the foam cement inserts, to form foam cement layer 2; On two surfaces of described foam cement layer 2, be provided with the surface layer 3 that strengthens by anticracking material.

Method for manufacturing of the present invention comprises:

1, at first, but steel truss combining structure 7 some load-bearing of housing 1 and unidirectional setting, that be welded to form by angle steel and Z font reinforcing bar be placed on make on the template;

2, by certain proportioning cement slurry is stirred after, can according to demand a certain amount of cement slurry be poured in the housing 1;

3 and lay glass fabric, it is shakeout and form the following surface layer 3 that anticracking material strengthens;

4, by certain proportioning cement slurry is stirred after, add blowing agent, and the back that stirs forms the foam cement slurry; And foam cement slurry poured in the prefabricated mould foam, and curing molding; And cut into the foam cement bulk: (this step can prepare in advance) according to the demand size

5,, be placed on down according to demand on the surface layer 3 and in the centre of housing 1 with steel truss combining structure 7 again with the foam cement bulk;

6, with material with gelling property, it comprises: cement mortar, foam cement, cement and light material mixture etc., tamp the hole in housing, the steel truss combining structure 7 and the slit between the foam cement bulk and be full of;

7, it is solidified at normal temperatures; In order to quicken to be solidified to form certain intensity, also can make its heating and moistening, but need not high temperature, steam curing at high pressure; The foam cement that has solidified can and descend surface layer to be combined with each other with post in the housing 1 or beam;

8, according to the actual needs of foam cement layer thickness, excision foam cement redundance is also cleared up the dirt slag;

9, by certain proportioning cement slurry is stirred after, can according to demand a certain amount of cement slurry be poured into and excise and clear up on the foam cement surface of finishing; Re-lay glass fabric, it is shakeout and form the upper layer 3 ' that anticracking material strengthens;

10, it is continued at normal temperatures solidify; In order to quicken to be solidified to form certain intensity, also can make its heating and moistening, but need not high temperature, steam curing at high pressure; After reaching certain intensity, can remove, can be made into the foam cement composite building board making template.

Embodiment 3:

Shown in Fig. 1-1, Fig. 1-2, Fig. 4-1, Fig. 4-2, but a kind of foam cement composite building board of load-bearing, it is mainly compound and constitute by housing 1, foam cement layer 2 and surface layer 3, it is characterized in that: unidirectional in housing 1 (or multidirectional) but steel truss combining structure 9 some load-bearing, that be welded to form by C shaped steel 8 and both sides Z font reinforcing bar 6 thereof is set; And in housing 1, be filled with the foam cement inserts, to form foam cement layer 2; On two surfaces of described foam cement layer 2, be provided with the surface layer 3 that strengthens by anticracking material.

Its method for manufacturing can be selected embodiment 1 or embodiment 2 for use, does not repeat them here.

Claims (14)

  1. But 1, a kind of foam cement composite building board of load-bearing, it is mainly compound and constitute by housing, foam cement layer and surface layer, it is characterized in that: but in housing unidirectional or multidirectional steel structure column or the beam that some load-bearing are set; And on described post or beam, be provided with transparent hole of several foam cements or space; And in housing, be filled with the foam cement inserts, to form the foam cement layer; On two surfaces of described foam cement layer, be provided with the surface layer that strengthens by anticracking material.
  2. 2, foam cement composite plate according to claim 1, it is characterized in that: described housing, post or beam are profiled-cross-section shaped steel, and it comprises: channel-section steel, angle steel, C shaped steel; And shaped steel and reinforcing bar or small bore shaped steel truss combining structure.
  3. 3, foam cement composite plate according to claim 1 is characterized in that: described foam cement, be by sulphate aluminium cement or sulphate aluminium cement with after portland cement mixes, add the blowing agent foamed solidification again and form; Or be light heat insulation material, it comprises: the mixture of other class foam cement, foaming plaster, cement and lightweight aggregate.
  4. 4, foam cement composite plate according to claim 1 is characterized in that: the thickness of described foam cement layer requires according to the energy-saving heat preserving of building and determines.
  5. 5, foam cement composite plate according to claim 1 is characterized in that: described surface layer is to be made of cement or resin cement, modified cement, elastic cement material; Or be organic material, it comprises: thick coating, fiberglass paint.
  6. 6, foam cement composite plate according to claim 1 is characterized in that: when described surface layer was made of the rubber-like surface layer, it comprised: resin cement surface layer or elastic coating; And anticracking material is not set in it.
  7. 7, foam cement composite plate according to claim 1, it is characterized in that: described surface layer can be made into difform decorative pattern; Described surface layer, can be made into different colours or with the compound use of ornament materials.
  8. 8, foam cement plate according to claim 1 is characterized in that: described anticracking material is fibrous material, fibrous material grid cloth, cellulose or organic resin; Or be gauze wire cloth; Or be the mutual combination of above-mentioned material.
  9. 9, foam cement composite plate according to claim 1 is characterized in that: described foam cement composite building board, it can make gusset, flat board, curved slab shape.
  10. But 10, a kind of method for manufacturing of foam cement composite building board of load-bearing, it is characterized in that: it comprises:
    A), at first, but some load-bearing and the post that have hole or space of housing and unidirectional setting or the formed steel work of beam be placed on make on the template;
    B), by certain proportioning cement slurry is stirred after, can according to demand a certain amount of cement slurry be poured in the housing;
    C) and lay glass fabric, it is shakeout and form the following surface layer that anticracking material strengthens;
    D), by certain proportioning cement slurry is stirred after, add blowing agent, and the back that stirs forms the foam cement slurry; And foam cement slurry poured in housing, become foam cement by shakeouing, foam the bulging of splashing; And it all is full of hole or space in post in the housing or the formed steel work of beam;
    E), it is solidified at normal temperatures; In order to quicken to be solidified to form certain intensity, also can make its heating and moistening, but need not high temperature, steam curing at high pressure; The foam cement that has solidified can and descend surface layer to be combined with each other with post in the housing or beam;
    F), according to the actual needs of foam cement layer thickness, excision foam cement redundance is also cleared up the dirt slag;
    G), by certain proportioning cement slurry is stirred after, can according to demand a certain amount of cement slurry be poured into and excise and clear up on the foam cement surface of finishing; Re-lay glass fabric, it is shakeout and form the upper layer that anticracking material strengthens;
    H, it is continued to solidify at normal temperatures; In order to quicken to be solidified to form certain intensity, also can make its heating and moistening, but need not high temperature, steam curing at high pressure; After reaching certain intensity, can remove, can be made into the foam cement composite building board making template.
  11. But 11, another method for manufacturing of a kind of foam cement composite building board of load-bearing, it is characterized in that: it comprises:
    A), at first, but steel truss combining structure some load-bearing of housing and unidirectional setting, that be welded to form by angle steel and Z font reinforcing bar be placed on make on the template;
    B), by certain proportioning cement slurry is stirred after, can according to demand a certain amount of cement slurry be poured in the housing;
    C) and lay glass fabric, it is shakeout and form the following surface layer that anticracking material strengthens;
    D), by certain proportioning cement slurry is stirred after, add blowing agent, and the back that stirs forms the foam cement slurry; And foam cement slurry poured in the prefabricated mould foam, and curing molding; And cut into the foam cement bulk according to the demand size;
    F), again with the foam cement bulk, be placed on down according to demand on the surface layer and in the centre of housing and steel truss combining structure;
    G), with material with gelling property, it comprises: cement mortar, foam cement, cement and light material mixture etc., the hole in housing, the steel truss combining structure and the slit between the foam cement bulk tamped be full of;
    H), it is solidified at normal temperatures; In order to quicken to be solidified to form certain intensity, also can make its heating and moistening, but need not high temperature, steam curing at high pressure; The foam cement that has solidified can and descend surface layer to be combined with each other with post in the housing or beam;
    I), according to the actual needs of foam cement layer thickness, excision foam cement redundance is also cleared up the dirt slag;
    K), by certain proportioning cement slurry is stirred after, can according to demand a certain amount of cement slurry be poured into and excise and clear up on the foam cement surface of finishing; Re-lay glass fabric, it is shakeout and form the upper layer that anticracking material strengthens;
    L), it is continued at normal temperatures solidify; In order to quicken to be solidified to form certain intensity, also can make its heating and moistening, but need not high temperature, steam curing at high pressure; After reaching certain intensity, can remove, can be made into the foam cement composite building board making template.
  12. But 12, a kind of foam cement composite building board of load-bearing, it is mainly compound and constitute by housing (1), foam cement layer (2) and surface layer (3), (3 '), it is characterized in that: at housing (1) but in the unidirectional channel-section steel (4) that some load-bearing are set; And on channel-section steel (4), be provided with the transparent hole of several foam cements (5); And in housing (1), be filled with the foam cement inserts, to form foam cement layer (2); On two surfaces of described foam cement layer (2), be provided with the surface layer (3) that strengthens by anticracking material.
  13. But 13, a kind of foam cement composite building board of load-bearing, it is mainly compound and constitute by housing (1), foam cement layer (2) and surface layer (3), (3 '), it is characterized in that: at housing (1) but in unidirectional steel truss combining structure (7) some load-bearing, that be welded to form by angle steel (44) and Z font reinforcing bar (6) is set; And in housing (1), be filled with the foam cement inserts, to form foam cement layer (2); On two surfaces of described foam cement layer (2), be provided with the surface layer (3) that strengthens by anticracking material.
  14. But 14, a kind of foam cement composite building board of load-bearing, it is mainly compound and constitute by housing (1), foam cement layer (2) and surface layer (3), (3 '), it is characterized in that: at housing (1) but in unidirectional steel truss combining structure (9) some load-bearing, that be welded to form by C shaped steel (8) and both sides Z font reinforcing bars (6) thereof is set; And in housing (1), be filled with the foam cement inserts, to form foam cement layer (2); On two surfaces of described foam cement layer (2), be provided with the surface layer (3) that strengthens by anticracking material.
CN 03145975 2003-07-18 2003-07-18 Composite building board material capable of load bearing and its productioin method CN1208534C (en)

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CN101871240A (en) * 2010-06-23 2010-10-27 吴方伯 Reinforced concrete hollow floorslab and construction method
CN102155070A (en) * 2011-01-20 2011-08-17 刘汝山 Heat-preserving and fire-proof composite plate with light weight and producing method thereof
CN102713099A (en) * 2009-12-18 2012-10-03 帕特克有限公司 Panelized structural system for building construction
CN102187039B (en) * 2008-10-13 2013-01-16 P林德伯格管理股份公司 Manufacture method of building board
CN103866903A (en) * 2012-12-13 2014-06-18 沈阳瑞福工业住宅有限公司 Heat-insulating load-bearing light-weight composite building slab
CN103866898A (en) * 2012-12-13 2014-06-18 沈阳瑞福工业住宅有限公司 Construction-member-type light retaining wallboard
CN104594543A (en) * 2014-12-05 2015-05-06 青海大学 Phase-change energy-storage brick and application thereof
CN104695659A (en) * 2015-02-02 2015-06-10 衢州学院 Imitating stone type foaming cement heat-preservation and decoration integrated board and manufacturing method thereof
CN104912257A (en) * 2015-06-18 2015-09-16 北京工业大学 Prefabricated special-shaped light-steel composite wall board and mounting method thereof
CN104912232A (en) * 2015-06-29 2015-09-16 北京工业大学 Assembly-type special-shaped composite wall made by thin-walled cold-formed steel
CN106476119A (en) * 2016-12-17 2017-03-08 广州市轻能建材有限公司 A kind of manufacture method of composite foaming cement super large plate
CN106760172A (en) * 2016-11-18 2017-05-31 杭州知加网络科技有限公司 A kind of building partition plate of acoustic insulation shock-proof

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CN102787707B (en) * 2012-08-29 2015-06-17 四川福美来新型建筑材料有限公司 Foamed cement composite plate and manufacturing process thereof
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CN102187039B (en) * 2008-10-13 2013-01-16 P林德伯格管理股份公司 Manufacture method of building board
US8887472B2 (en) 2009-12-18 2014-11-18 Patco, LL Panelized structural system for building construction
CN102713099B (en) * 2009-12-18 2015-01-07 帕特克有限公司 Panelized structural system for building construction
CN102713099A (en) * 2009-12-18 2012-10-03 帕特克有限公司 Panelized structural system for building construction
US9677272B2 (en) 2009-12-18 2017-06-13 Patco, Llc Panelized structural system for building construction
CN101871240A (en) * 2010-06-23 2010-10-27 吴方伯 Reinforced concrete hollow floorslab and construction method
CN102155070A (en) * 2011-01-20 2011-08-17 刘汝山 Heat-preserving and fire-proof composite plate with light weight and producing method thereof
CN103866898A (en) * 2012-12-13 2014-06-18 沈阳瑞福工业住宅有限公司 Construction-member-type light retaining wallboard
CN103866903A (en) * 2012-12-13 2014-06-18 沈阳瑞福工业住宅有限公司 Heat-insulating load-bearing light-weight composite building slab
CN104594543B (en) * 2014-12-05 2017-05-03 青海大学 Phase-change energy-storage brick and application thereof
CN104594543A (en) * 2014-12-05 2015-05-06 青海大学 Phase-change energy-storage brick and application thereof
CN104695659A (en) * 2015-02-02 2015-06-10 衢州学院 Imitating stone type foaming cement heat-preservation and decoration integrated board and manufacturing method thereof
CN104912257A (en) * 2015-06-18 2015-09-16 北京工业大学 Prefabricated special-shaped light-steel composite wall board and mounting method thereof
CN104912257B (en) * 2015-06-18 2017-07-14 北京工业大学 A kind of prefabricated special-shaped light steel composite wall plate and its installation method
CN104912232A (en) * 2015-06-29 2015-09-16 北京工业大学 Assembly-type special-shaped composite wall made by thin-walled cold-formed steel
CN106760172A (en) * 2016-11-18 2017-05-31 杭州知加网络科技有限公司 A kind of building partition plate of acoustic insulation shock-proof
CN106760172B (en) * 2016-11-18 2020-01-17 龙元明筑科技有限责任公司 Sound-insulation and shock-resistant building partition plate
CN106476119A (en) * 2016-12-17 2017-03-08 广州市轻能建材有限公司 A kind of manufacture method of composite foaming cement super large plate

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