CN101446122A - Self-conserving heat green concrete assembled large panel and preparation method thereof - Google Patents
Self-conserving heat green concrete assembled large panel and preparation method thereof Download PDFInfo
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- CN101446122A CN101446122A CNA2007101712041A CN200710171204A CN101446122A CN 101446122 A CN101446122 A CN 101446122A CN A2007101712041 A CNA2007101712041 A CN A2007101712041A CN 200710171204 A CN200710171204 A CN 200710171204A CN 101446122 A CN101446122 A CN 101446122A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5076—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with masses bonded by inorganic cements
- C04B41/5079—Portland cements
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00034—Physico-chemical characteristics of the mixtures
- C04B2111/00224—Green materials, e.g. porous green ceramic preforms
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00612—Uses not provided for elsewhere in C04B2111/00 as one or more layers of a layered structure
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a self-conserving heat green concrete assembled large panel which comprises green concrete at both sides and a thermal protection panel clamped between the concrete. The green concrete aggregates are made of clay brick recycled aggregates. A preparation method for the self-conserving heat green concrete assembled large panel is also disclosed. The self-conserving heat green concrete assembled large panel has the advantages of light weight, heat self-conserving performance and good durability. The self-conserving heat green concrete fabricated large panel also can save resources, improve the construction efficiency and realize the high value added utilization of construction waste.
Description
Technical field
The present invention relates to a kind of large scale prefabricated member of industrialization of construction industry construction, particularly a kind of self-conserving heat green concrete assembled large panel and preparation method thereof.
Background technology
The assemblingization dwelling house is the suitability for industrialized production dwelling house again, is the major transformation to dwelling house tradition mode of construction.The assemblingization dwelling house increases substantially dwelling house labor productivity, shortens construction period, reduces job site building waste generation etc., is China's housing construction industrialization development direction.
Assembled large panel is industrialization of construction industry critical product and key technology, development along with China's energy saving building, distinct issues are to solve the space enclosing structure material thermal and insulating performance, and improving one of main developing direction of space enclosing structure self-heat conserving performance is development light weight aggregate concrete goods.Because China lacks lightweight aggregates such as haydite, cause the light weight aggregate concrete of China's insulation up to now, structural thermal insulation light weight aggregate concrete, light in structure aggregate concrete and goods industry thereof flourishing inadequately.The tradition assembled large panel is made for the heavy concrete mostly, and thermal and insulating performance is relatively poor.
Existing assembled large panel solves the thermal insulation mode: after assembled large panel assembles at the construction field (site) and installs, completely spread heat preservation plate materials such as benzene plate (outside insulation) at the assembled large panel building external, perhaps in assembled architecture laid inside heat insulating material (interior insulation).There is following point in prior art:
(1) outer insulation aspect: the endurance quality of heat preservation plate materials such as benzene plate can not show a candle to the steel concrete assembled large panel, and warming plate is difficult to frequent replacing again between China's middle-high building operating period, causes outer heat preservation technology to have certain limitation in the popularization of China.Because exterior wall is subjected to wind, Exposure to Sunlight, the erosion that drenches with rain, ordinary circumstance, about heat insulating material for external life cycle 20 years, and assembling (prefabricated reinforced concrete) building body life cycle is about 100 years, the big plate building body life cycle of heat insulating material for external life cycle and assembling (prefabricated reinforced concrete) is inconsistent, cause assembled architecture must repeatedly change heat insulating material for external between the operating period, (western developed country is based on the low layer separate house based on semi-high-rise housing owing to China, be convenient to maintain and replace), because of the needs scaffolding, be difficult between the operating period change at assembled architecture.
(2) interior insulation aspect: also have heat insulating material durability and the nonsynchronous disadvantage of main building armored concrete slab, have also simultaneously that heat insulating material intensity is lower, metope is difficult for hanging article, interior insulation takies problems such as building usable floor area, thermal property are outstanding.
(3) no matter outer insulation or interior insulation all exist the secondary construction problem, all need to carry out at the construction field (site) the construction of thermal insulation layer, do not meet the developing direction that assemblingization dwelling house principal works amount should be carried out in factory.
(4) cost is higher.How reducing energy saving building space enclosing structure cost, is one of China's space enclosing structure material technological innovation content that need solve, no matter outer insulation or interior insulation, owing to need secondary to make, cost is higher relatively.
Clay haydite light weight, good endurance, thermal and insulating performance are given prominence to, and are the quality raw materials of making the self-insulating concrete goods.Because the production of clay haydite exists power consumption, pollution, cost three big problems, cause China's clay haydite industry flourishing inadequately, the whole nation is only produced 5000000 cubes per year, and huge with the whole nation year 1000000000 cubes of materials for wall gaps of demand, the clay haydite market price is high for many years thereby cause.Present most of cities clay haydite all about 150 yuan cubes, have in addition above 300 yuan cubes.Because the lightweight aggregate shortage causes China's light weight aggregate concrete goods development not enough again.Ministry of Construction's " lightweight aggregate concrete technology rules " (JGJ51-2002) issued for many years, so far the density rating 800-1400kg/m of tecnical regulations regulation
3Structural thermal insulation light weight aggregate concrete and 1400-1900kg/m
3The light in structure aggregate concrete is failed to obtain tremendous development and is applied on a large scale.
In past 50 years, China has produced 20,000,000,000 cubes of clay bricks at least.Be that new and old building substitutes the stage on a large scale at present, a large amount of old-fashioned old buildings are disintegrated, and produce a large amount of building wastes.China's materials for wall production in the past is based on clay brick, thus building construction in the past also based on brick mix structure, the building waste that the old-fashioned old building construction of dismounting produces is based on clay brick.Clay brick recycled skeletonization stockpile amasss density 750-950kg/m
3, density is suitable, and intensity is good, and its essence is high strength " clay haydite ", is manufacturing structure insulation light weight aggregate concrete or light in structure aggregate concrete quality raw materials.
For a long time, owing to lack clay brick recycled aggregate high value added utilization technology, waste and old clay brick is used as building waste by landfill, causes this efficient resource to be wasted in a large number.
Summary of the invention
Primary and foremost purpose of the present invention just is to overcome existing existing the problems referred to above of assembled large panel, thereby a kind of self-conserving heat green concrete assembled large panel is provided.
Second purpose of the present invention is to provide the preparation method of described self-conserving heat green concrete assembled large panel.
Self-conserving heat green concrete assembled large panel of the present invention comprises the green concrete of both sides and is clipped in the middle heat preservation plate material of concrete that wherein, described green concrete adopts clay brick recycled aggregate to make.
Particularly, described green concrete is made by the component of following volume ratio:
Clay brick recycled aggregate 30-60%;
Concrete regenerating aggregate 0-35%;
Flyash 4-30%;
Cement 18-25%;
Building stone 0-30%;
Building sand 0-30%;
Expanded perlite 0-15%;
Light ceramic 0-30%;
New or waste and old polyphenyl pellet 0-15%;
Organic fiber 0-3%;
Inorfil 0-2%;
Steel fibre 0-5%;
Modified cement polymer emulsion 0-3%;
Modified cement polymer dry powder 0-3%;
Cement admixture 1-3%.
The preparation method of the big plate of self-conserving heat green concrete of the present invention may further comprise the steps:
A, with each component metering of above-mentioned green concrete, add entry according to water/binder ratio 0.3-0.55, mixing and stirring;
B, at first default formwork-support, the mould both sides are provided with the position of concavo-convex tongue-and-groove, as required the reservation window body position;
C, laying reinforcing bar, placement built-in fitting, connector;
D, the described concrete component that mixes of cast;
E, placement heat preservation plate material;
F, once more lay reinforcing bar, place built-in fitting, connector;
G, the described concrete component that mixes of cast;
H, heating curing;
I, the demoulding.
The big plate of self-conserving heat green concrete of the present invention is in light weight, economizes on resources and improves efficiency of construction; Self-heat conserving, thermal and insulating performance is superior, adds big plate therebetween thermal insulation sheet material, further improves thermal and insulating performance, need not carry out outer insulation or interior heat preservation construction more at the construction field (site); Good endurance, and realize the building waste high value added utilization.
Description of drawings
Fig. 1 is the stereogram of the self-conserving heat green concrete assembled large panel of band window.
Fig. 2 is the stereogram of self-conserving heat green concrete assembled large panel.
Fig. 3 is the sectional drawing of the self-conserving heat green concrete assembled large panel of Fig. 2 along A-A.
The specific embodiment
Below in conjunction with specific embodiment, the invention will be further described.Should be understood that following examples only are used to the present invention is described but not are used to limit scope of the present invention.
Among the present invention, " water/binder ratio " is meant the weight ratio of mixing and stirring the water yield and cement consumption.
Press the prescription shown in the table 1, each the component metering with the cast green concrete adds entry according to water/binder ratio 0.3-0.55, places mixer, stirs so that each component mixes standby.
Table 1
Embodiment 2, self-conserving heat green concrete assembled large panel making
Prepare self-conserving heat green concrete assembled large panel according to following steps:
A, with each component metering of the green concrete shown in the table 1 of embodiment 1, add entry according to water/binder ratio 0.3-0.55, mixing and stirring;
B, at first default formwork-support (formwork), the mould both sides are provided with the position of concavo-convex tongue-and-groove, as required the reservation window body position;
C, laying reinforcing bar, placement built-in fitting, connector;
D, the described concrete component that mixes of cast;
E, placement heat preservation plate material are as benzene plate, rock cotton board, block of glass wool, expanded pearlite rock beam etc.;
F, once more lay reinforcing bar, place built-in fitting, connector;
G, the described concrete component that mixes 1 of cast;
H, heating curing;
I, the demoulding.
The self-conserving heat green concrete assembled large panel of making according to above method is shown in Fig. 1-3, the heat preservation plate material 2 that comprises the green concrete 1 of both sides and be clipped in concrete 1 centre, the both sides of big plate are provided with concavo-convex tongue-and-groove 3,3 ', reservation window body position 4 (Fig. 1) as required, applicable to various areas, as cold district, Xia Redong cryogenic region or hot summer and warm winter region, be suitable for very extensive.
In addition, after step B formwork, can lay granite, ceramic tile etc. earlier and carry out outer the decoration, also can after the step I demoulding, lift the aerograph sand of standing again, after the self-conserving heat green concrete assembled large panel job site of Zhi Zuoing installs like this, need not take external scaffolding and carry out exterior wall surface decorative, more than concrete making step see Table 2.
Table 2
| Making step | |
| The 1# cold district is used | A, with the concrete component mixing; B, formwork; C, laying steel mesh reinforcement and placement built-in fitting; D, the thick green concrete of cast 110mm; E, placement 80mm benzene plate; F, laying steel mesh reinforcement and placement built-in fitting; G, the thick green concrete of cast 110mm; H, heating curing; I, the demoulding |
| 2# Xia Redong cryogenic region is used | A, with the concrete component mixing; B, formwork; C, laying steel mesh reinforcement and placement built-in fitting; D, the thick green concrete of cast 90mm; E, placement 60mm rock cotton board; F, laying steel mesh reinforcement and placement built-in fitting; G, the thick green concrete of cast 90mm; H, heating curing; I, the demoulding |
| The 3# hot summer and warm winter region is used | A, with the concrete component mixing; B, formwork; C, laying steel mesh reinforcement and placement built-in fitting; D, the thick green concrete of cast 80mm; E, placement 40mm block of glass wool; F, laying steel mesh reinforcement and placement built-in fitting; G, the thick green concrete of cast 80mm; H, heating curing; I, the demoulding |
| 4# granite is decorated outward | A, with the concrete component mixing; B, formwork; C, laying granite; D, laying steel mesh reinforcement and placement built-in fitting; E, the thick green concrete of cast 110mm; F, placement 80mm benzene plate; G, laying steel mesh reinforcement and placement built-in fitting; H, the thick green concrete of cast 110mm; I, heating curing; J, the demoulding |
| The 5# ceramic tile is decorated outward | A, with the concrete component mixing; B, formwork; C, laying ceramic tile; D, laying steel mesh reinforcement and placement built-in fitting; E, the thick green concrete of cast 110mm; F, placement 60mm rock cotton board; G, laying steel mesh reinforcement and placement built-in fitting; H, the thick green concrete of cast 110mm; I, heating curing; J, the demoulding |
| The color sand of 6# is decorated outward | A, with the concrete component mixing; B, formwork; C, laying steel mesh reinforcement and placement built-in fitting; D, the thick green concrete of cast 80mm; E, placement 40mm block of glass wool; F, laying steel mesh reinforcement and placement built-in fitting; G, the thick green concrete of cast 80mm; H, heating curing; I, the demoulding; J, the lifting aerograph sand of standing; |
The specifications and characteristics of the self-conserving heat green concrete assembled large panel that embodiment 2 is made, according to Ministry of Construction's " lightweight aggregate concrete technology rules " (JGJ51-2002) technical standard detect, the results are shown in Table 3.
Table 3
| Big plate gauge lattice | Product properties | |
| The 1# cold district is used | Thickness: 300mm height: 2800mm length: 4000mm | Extrudate density:＜1400kg/m 3 Concrete strength label: C30; Thermal resistance (m 2K/w):〉1.3; Thermal transmittance (w/m 2·k)：<0.6 |
| 2# Xia Redong cryogenic region is used | Thickness: 240mm height: 2800mm length: 4000mm | Extrudate density:＜1400kg/m 3 Concrete grade: C20; Thermal resistance (m 2K/w):〉1.2; Thermal transmittance (w/m 2·k)：<0.7 |
| The 3# hot summer and warm winter region is used | Thickness: 200mm height: 2800mm length: 4000mm | Extrudate density:＜1900kg/m 3 Concrete grade: C30; Thermal resistance (m 2K/w):〉1.0; Thermal transmittance (w/m 2·k)：<0.8 |
| 4# granite is decorated outward | Thickness: 400mm height: 2800mm length: 4000mm | Extrudate density:＜1900kg/m 3 Concrete strength label: C30; Thermal resistance (m 2K/w):〉1.8; Thermal transmittance (w/m 2·k)：<0.6； |
| The 5# ceramic tile is decorated outward | Thickness: 285mm height: 2800mm length: 4000mm | Extrudate density:＜1900kg/m 3 Concrete grade: C30; Thermal resistance (m 2K/w):〉1.2; Thermal transmittance (w/m 2·k)：<0.7； |
| The color sand of 6# is decorated outward | Thickness: 206mm height: 2800mm length: 4000mm | Extrudate density:＜1900kg/m 3 Concrete grade: C30; Thermal resistance (m 2K/w):〉1.0; Thermal transmittance (w/m 2·k)：<0.8 |
Self-conserving heat green concrete assembled large panel of the present invention has following advantage:
1, lightweight. Usually lightweight aggregate concrete is than heavy concrete light 500-1000kg/m3, reduce weight and namely mean and economize on resources and improve efficiency of construction.
2, self-heat conserving. Clay brick recycled aggregate concrete belongs to structural thermal insulation lightweight aggregate concrete category, so clay brick recycled aggregate concrete assembled large panel thermal and insulating performance is superior, in addition self-conserving heat green concrete assembled large panel therebetween thermal insulation thermal insulation board, further improve thermal and insulating performance, thereby reach assembled large panel self-heat conserving effect, need not carry out at the construction field (site) outer insulation or interior heat preservation construction.
3, good endurance. Lightweight aggregate concrete still belongs to concrete product, and endurance quality is superior.
4, realize the building waste high value added utilization.
Claims (11)
1, the big plate of a kind of self-conserving heat green concrete is characterized in that, comprises the green concrete of both sides and is clipped in the middle heat preservation plate material of concrete, and wherein, described green concrete adopts clay brick recycled aggregate to make.
2, the big plate of self-conserving heat green concrete as claimed in claim 1 is characterized in that, described green concrete is made by the material component of following volume ratio:
Clay brick recycled aggregate 30-60%;
Concrete regenerating aggregate 0-35%;
Flyash 4-30%;
Cement 18-25%;
Building stone 0-30%;
Building sand 0-30%;
Expanded perlite 0-15%;
Light ceramic 0-30%;
New or waste and old polyphenyl pellet 0-15%;
Organic fiber 0-3%;
Inorfil 0-2%;
Steel fibre 0-5%;
Modified cement polymer emulsion 0-3%;
Modified cement polymer dry powder 0-3%;
Cement admixture 1-3%.
3, the big plate of self-conserving heat green concrete as claimed in claim 1 is characterized in that, described big plate both sides are respectively equipped with concavo-convex tongue-and-groove.
4, the big plate of self-conserving heat green concrete as claimed in claim 1 is characterized in that, further is reserved with window position in the big plate.
5, the big plate of self-conserving heat green concrete as claimed in claim 1 is characterized in that, big plate gauge lattice are height 2400-4000mm, length 2400-10000mm, thickness 200-400mm.
6, the big plate of self-conserving heat green concrete as claimed in claim 1 is characterized in that, described heat preservation plate material is benzene plate, rock cotton board, block of glass wool or expanded pearlite rock beam.
7, the big plate of self-conserving heat green concrete as claimed in claim 1 is characterized in that, described green concrete is outer to be laid or the spraying decorative material.
8, the big plate of self-conserving heat green concrete as claimed in claim 7 is characterized in that, described decorative material is granite, ceramic tile or color sand.
9, the preparation method of the big plate of a kind of self-conserving heat green concrete as claimed in claim 1 is characterized in that, may further comprise the steps:
A, with described each component metering of claim 2, add entry according to water/binder ratio 0.3-0.55, mixing and stirring;
B, at first default formwork-support, the mould both sides are provided with the position of concavo-convex tongue-and-groove, as required the reservation window body position;
C, laying reinforcing bar, placement built-in fitting, connector;
D, the described concrete component that mixes of cast;
E, placement heat preservation plate material;
F, once more lay reinforcing bar, place built-in fitting, connector;
G, the described concrete component that mixes of cast;
H, heating curing;
I, the demoulding.
10, preparation method as claimed in claim 9 is characterized in that, after the default formwork-support of step B, lays decorative material earlier, re-lays reinforcing bar; Or after the step I demoulding lifting spray decorative material of standing again.
11, preparation method as claimed in claim 10 is characterized in that, described decorative material is granite, ceramic tile or color sand.
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| CNA2007101712041A CN101446122A (en) | 2007-11-28 | 2007-11-28 | Self-conserving heat green concrete assembled large panel and preparation method thereof |
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| CNA2007101712041A CN101446122A (en) | 2007-11-28 | 2007-11-28 | Self-conserving heat green concrete assembled large panel and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102795822A (en) * | 2012-08-28 | 2012-11-28 | 郑州博鳌装饰材料有限公司 | Method for producing light high-strength artistical cast stone from coal ash |
| CN103437480A (en) * | 2013-09-12 | 2013-12-11 | 南京工业大学 | Hollow block |
| CN104291749A (en) * | 2014-09-22 | 2015-01-21 | 华北水利水电大学 | Concrete material and preparation method thereof |
| CN105459260A (en) * | 2015-11-18 | 2016-04-06 | 魏春玲 | Manufacturing method for prefabricating large steel structure module board with industrial byproduct gypsum |
| CN109252603A (en) * | 2018-10-17 | 2019-01-22 | 阜阳市卓创科技服务生产力促进中心 | A kind of stalk is the precast concrete sandwich wall of thermal insulation material |
-
2007
- 2007-11-28 CN CNA2007101712041A patent/CN101446122A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102795822A (en) * | 2012-08-28 | 2012-11-28 | 郑州博鳌装饰材料有限公司 | Method for producing light high-strength artistical cast stone from coal ash |
| CN102795822B (en) * | 2012-08-28 | 2014-04-16 | 郑州博鳌装饰材料有限公司 | Method for producing light high-strength artistical cast stone from coal ash |
| CN103437480A (en) * | 2013-09-12 | 2013-12-11 | 南京工业大学 | Hollow block |
| CN104291749A (en) * | 2014-09-22 | 2015-01-21 | 华北水利水电大学 | Concrete material and preparation method thereof |
| CN104291749B (en) * | 2014-09-22 | 2016-04-27 | 华北水利水电大学 | A kind of concrete material and preparation method thereof |
| CN105459260A (en) * | 2015-11-18 | 2016-04-06 | 魏春玲 | Manufacturing method for prefabricating large steel structure module board with industrial byproduct gypsum |
| CN109252603A (en) * | 2018-10-17 | 2019-01-22 | 阜阳市卓创科技服务生产力促进中心 | A kind of stalk is the precast concrete sandwich wall of thermal insulation material |
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