CN103641416A - Heat insulation building material - Google Patents
Heat insulation building material Download PDFInfo
- Publication number
- CN103641416A CN103641416A CN201310699245.3A CN201310699245A CN103641416A CN 103641416 A CN103641416 A CN 103641416A CN 201310699245 A CN201310699245 A CN 201310699245A CN 103641416 A CN103641416 A CN 103641416A
- Authority
- CN
- China
- Prior art keywords
- heat
- heat insulation
- cement
- accounts
- building block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Building Environments (AREA)
Abstract
The invention relates to a heat insulation building material which comprises the following raw materials by mass percent: 20-40% of fine sand, 30-50% of cementing material, 10-40% of heat insulation material, 10-30% of mineral admixture and 5-10% of other auxiliary materials. A production technology of the heat insulation building material comprises the steps of mixing and stirring a shell cementing material, producing foam concrete, cutting and fixing the foam concrete and a heat insulation core body of a polystyrene foam plastic board, pouring, vibrating and molding shell slurry, and maintaining building blocks. The heat insulation building material can be used for replacing a great deal of solid clay bricks, thus saving a great deal of energy and land for China, being capable of consuming a great deal of industrial solid wastes and being beneficial to the environmental protection. The produced construction product has the excellent characteristics of being good in heat insulation property, light in self weight, high in strength, waterproof, impervious, low in shrinking percentage, long in service life, simple in construction and the like, thus being beneficial to the development of building energy conservation.
Description
Technical field
The present invention relates to a kind of heat-insulating construction material, belong to technical field of buildings.
Background technology
At present, country is vigorously promoting the use the new technology of Civil Building Energy Conservation, novel process, novel material and new installation.Countries in the world are carried out building energy conservation and are invariably first grabbed the innovation of building enclosure material, some developed countries as far back as the sixties just start to use instead good heat insulating, New Building Materials that production energy consumption is low substitute traditional building material.Under construction, the thermal losses of peripheral structure is maximum, and in peripheral structure, building has accounted for again very large portion.Development exterior wall resist technology and energy-saving material are one of main method of building energy conservation.
According to the difference of select materials, skin thermal insulating material one material is divided into single material of construction and composite architectural materials.Single building material one material, as holllow building block, gas concrete etc., thermal conductivity is larger, be generally 20 times of thermal insulation material, along with China's building energy conservation 65% standard is carried out more and more widely, single-material building can not meet the requirement of heat insulating, the composite architectural materials that more employing load-bearing materials and thermal insulation material combine.Composite architectural materials combines the characteristic of bi-material well, neither can make material of construction blocked up overweight, has again heat insulating characteristic, so composite architectural materials is the new energy-saving material that a kind of prospect of the application is wide.
It is high, regular from heavy and light, good endurance, physical dimension that traditional material has intensity, and the building block of part type also has facing attractive in appearance and the good advantages such as thermal and insulating performance, and range of application is very extensive.Close with clay brick on construction techniques, aspect products production, also there are starting material wide material sources, can avoid ruining field bake bricks and can digest that part industrial residue, production energy consumption are lower, less to the pollution level of environment, the easy advantage such as control of quality product.That building block building has is safe, attractive in appearance, durable, usable floor area is large, speed of application is very fast, construction cost and the Comprehensive Characteristics such as maintenance cost is lower.But, traditional building block have block heavier, easily produce shrinkage strain, poor, the easy fragmentation of heat-insulating property, inconvenience and the weakness such as chop back, building block product all has particular requirement at aspects such as production, architectural design and construction and application technique and quality controls, if deal with improperly likely occur splitting, leak, the construction quality problem such as heat.
Summary of the invention
The object of the present invention is to provide a kind of heat-insulating construction material, to can prepare the material of construction of energy-conserving and environment-protective, be convenient to insulation, and there is plurality of advantages and facilitate building operation to use.
To achieve these goals, technical scheme of the present invention is as follows.
A kind of heat-insulating construction material, the raw material that adopts comprises fine sand, gelling material, lagging material, mineral admixture and other auxiliary materials, each raw material according to mass percent is: fine sand accounts for 20～40%, gelling material accounts for 30～50%, lagging material accounts for 10～40%, and mineral admixture accounts for 10～30% and accounts for 5～10% with other auxiliary materials.
Further, it is main gelling material that described gelling material is chosen ordinary Portland cement, and low alkali quick hardening sulphoaluminate cement or ordinary Portland cement are less important gelling material.Ordinary Portland cement wide material sources, cheap, water resistance good, intensity is high, excellent in te pins of durability, and morning of aluminosulfate cement, the fundamental characteristics such as strong, high-strength, high impervious, high anti-freezing, corrosion-resistant and low alkalinity was suitable for the performance requriements of this material of construction.
Further, described lagging material is selected foamed concrete or polystyrene foamed plastics.Foamed concrete is inorganic materials, and heat-insulating property is good, meanwhile, has again good fire performance, and polystyrene foamed plastics can effectively improve the thermal and insulating performance of building block.
Further, described mineral admixture is selected flyash.Flyash has good shape effect, volcanic ash effect and active effect, has greatly improved the physical and mechanical property of composite thermal self-insulation building block, has reduced heat insulation building block cost.
Further, described other auxiliary materials are water reducer, water-resisting agent, high molecular polymer, suds-stabilizing agent admixture, chemical activator.These auxiliary materials are in order effectively to improve the performance of housing concrete, foamed concrete and the combination at interface, improve performance, water resistance, anti-freezing property in the mechanical property, heat of composite heat insulation block, and excite the activity of flyash.
The production technique of above-mentioned heat-insulating construction material mainly comprises the following steps: the mixing of shell glue ramming material and stirring, the manufacture of foamed concrete, the cutting of foamed concrete and polystyrol plastic foam plate thermal-insulation core and fixing, the cast of housing slurry, vibration, moulding, the maintenance of building block, specific as follows:
(1) starting material and mix calculation: according to production intensity grade and external form type, calculate and produce raw materials proportioning, and choose the gelling material such as suitable cement, flyash and sieve and get certain other fine sand of level as aggregate, according to block performance requirement and raw material ratio, choose admixture, improve and improve its properties.
(2) metering and stirring: strict measurement, to guarantee the stable performance of goods.The metering of being weighed before cement, flyash, fine sand etc. feed intake at every turn, through testing definite water consumption, strictly controls in production.Strict assurance mixed and churning time, guarantees building block quality and yield rate.
(3) vibratory compaction: for guaranteeing Forming Quality, compound water ratio is moderate, and cast is carried out with Vibration Synchronization, and mold filling is wanted evenly, and time of vibration should be not long.
(4) demoulding and maintenance: adopt natural curing, building block is put into reposefully together with mould to curing field, cover the maintenance of plastic film heat and moisture preserving, improve the early strength of base substrate, the demoulding after resting 2～4 days, carry out piling and cover wet curing, or put into plastic greenhouse and utilize solar energy curing, the number of times of watering every day is depending on climatic season, it is good that watering measures to keep the dampness of base substrate, to maintain normally carrying out of hydrated reaction of cement, coverture natural curing 20～40 days is opened in maintenance after two weeks.Natural curing technique must accomplish that base field is highly smooth, avoids in maintenance processes distortion or fracture, and building block body is can not piling too high, general 3～5 layers, adopt Insulation winter or promote building block sclerosis means, promote base substrate sclerosis, prevent from being exposed to the sun drenching with rain and avoid billet surface damage or crack.
This beneficial effect of the invention is: in the technology of the present invention, insulation blocks shell is pea gravel concreten, has higher intensity, guarantees visual appearance and the mechanical strength of heat insulation building block.It is combined firmly (intensity, water-intake rate, thermal conductivity, the coefficient of expansion etc. are basically identical) with exterior wall sand-cement slurry coat of plaster, make contraction, hollowing, crack, seepage, come off, easily the external wall common fault such as aging is able to effective solution, can accomplish and the same life-span of buildings, guaranteeing under the prerequisite of cement and construction quality, can exempt life-long maintenance, reduce building later maintenance expense.Filled and process concrete in vestibule, and process particular interface is in conjunction with processing, and itself and concrete shell are organically combined, and guarantees the globality of building block, guarantees building block properties, improves the heat insulation property of heat insulation building block.Foamed concrete adds water mix and blend by cement, flyash, admixture etc., then adds from the mixed stirring of the whipping agent of upper research and development, moulding, maintenance and form, and has the good characteristics such as heat insulating, resistance to combustion, profit are useless, sound-absorbing sound insulation, cheapness.Composite filled polystyrol plastic foam plate, can greatly improve the thermal and insulating performance of heat insulation building block, and lightweight, significantly reduce building structure cost, the speed of building by laying bricks or stones is fast, the shortening construction period, fire performance is good, be applicable to that all kinds of non-bearings of southern and northern Different climate are civilian, industry and public building, be specially adapted to Highrise buildings.
Generally speaking, the alternative a large amount of solid clay brick of product of the present invention, for country saves a large amount of energy and soil, can consume a large amount of industrial solid castoffs simultaneously, is conducive to environment protection.With automatic assembly line, produce composite thermal self-insulation building block, production efficiency is high, and cost is low, constant product quality.The good characteristics such as the building products of producing has that thermal and insulating performance is good, high from heavy and light, intensity, waterproof, impervious, shrinking percentage is low, long service life, construction are simple, are conducive to the development of building energy conservation.
Embodiment
Below in conjunction with embodiment, the specific embodiment of the present invention is described, to better understand the present invention.
embodiment 1:
A kind of heat-insulating construction material, the raw material that adopts comprises fine sand, gelling material, lagging material, mineral admixture and other auxiliary materials, and each raw material according to mass percent is: fine sand accounts for 25%, and gelling material accounts for 35%, lagging material accounts for 17%, and mineral admixture accounts for 15% and accounts for 8% with other auxiliary materials.It is main gelling material that described gelling material is chosen ordinary Portland cement, and low alkali quick hardening sulphoaluminate cement or ordinary Portland cement are less important gelling material.Described lagging material is selected foamed concrete.Described mineral admixture is selected flyash.Described other auxiliary materials are water reducer, water-resisting agent, high molecular polymer, suds-stabilizing agent admixture, chemical activator.
The production technique of above-mentioned heat-insulating construction material mainly comprises the following steps:
(1) starting material and mix calculation: according to production intensity grade and external form type, calculate and produce raw materials proportioning, and choose the materials such as cement, flyash and sieve is got fine sand as aggregate, according to block performance requirement and raw material ratio, choose admixture, improve and improve its properties.
(2) metering and stirring: strict measurement, to guarantee the stable performance of goods.The metering of being weighed before cement, flyash, fine sand etc. feed intake at every turn, through testing definite water consumption, strictly controls in production.Strict assurance mixed and churning time, guarantees building block quality and yield rate.
(3) vibratory compaction: for guaranteeing Forming Quality, compound water ratio is moderate, and cast is carried out with Vibration Synchronization, and mold filling is wanted evenly.
(4) demoulding and maintenance: adopt natural curing, building block is put into reposefully together with mould to curing field, cover the maintenance of plastic film heat and moisture preserving, improve the early strength of base substrate, the demoulding after resting 3 days, carry out piling and cover wet curing, or put into plastic greenhouse and utilize solar energy curing, the number of times of watering every day is depending on climatic season, and it is good that watering measures to keep the dampness of base substrate, to maintain normally carrying out of hydrated reaction of cement, coverture natural curing 25 days is opened in maintenance after two weeks.Natural curing technique must accomplish that base field is highly smooth, avoids in maintenance processes distortion or fracture, and building block body is can not piling too high, general 4 layers, adopt Insulation winter or promote building block sclerosis means, promote base substrate sclerosis, prevent from being exposed to the sun drenching with rain and avoid billet surface damage or crack.
embodiment 2:
A kind of heat-insulating construction material, the raw material that adopts comprises fine sand, gelling material, lagging material, mineral admixture and other auxiliary materials, and each raw material according to mass percent is: fine sand accounts for 40%, and gelling material accounts for 35%, lagging material accounts for 10%, and mineral admixture accounts for 10% and accounts for 5% with other auxiliary materials.It is main gelling material that described gelling material is chosen ordinary Portland cement, and low alkali quick hardening sulphoaluminate cement or ordinary Portland cement are less important gelling material.Described lagging material is selected polystyrene foamed plastics.Described mineral admixture is selected flyash.Described other auxiliary materials are water reducer, water-resisting agent, high molecular polymer, suds-stabilizing agent admixture, chemical activator.
The production technique of above-mentioned heat-insulating construction material mainly comprises the following steps:
(1) starting material and mix calculation: according to production intensity grade and external form type, calculate and produce raw materials proportioning, and choose the gelling material such as cement, flyash and sieve is got fine sand as aggregate, according to block performance requirement and raw material ratio, choose admixture, improve and improve its properties.
(2) metering and stirring: strict measurement, to guarantee the stable performance of goods.The metering of being weighed before cement, flyash, fine sand etc. feed intake at every turn, through testing definite water consumption, strictly controls in production.Strict assurance mixed and churning time, guarantees building block quality and yield rate.
(3) vibratory compaction: for guaranteeing Forming Quality, compound water ratio is moderate, and cast is carried out with Vibration Synchronization, and mold filling is wanted evenly.
(4) demoulding and maintenance: adopt natural curing, building block is put into reposefully together with mould to curing field, cover the maintenance of plastic film heat and moisture preserving, improve the early strength of base substrate, the demoulding after resting 4 days, carry out piling and cover wet curing, or put into plastic greenhouse and utilize solar energy curing, the number of times of watering every day is depending on climatic season, and it is good that watering measures to keep the dampness of base substrate, to maintain normally carrying out of hydrated reaction of cement, coverture natural curing 40 days is opened in maintenance after two weeks.Natural curing technique must accomplish that base field is highly smooth, avoids in maintenance processes distortion or fracture, and building block body is can not piling too high, general 5 layers, adopt Insulation winter or promote building block sclerosis means, promote base substrate sclerosis, prevent from being exposed to the sun drenching with rain and avoid billet surface damage or crack.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (6)
1. a heat-insulating construction material, it is characterized in that: adopt raw material to comprise fine sand, gelling material, lagging material, mineral admixture and other auxiliary materials, each raw material according to mass percent is: fine sand accounts for 20～40%, gelling material accounts for 30～50%, lagging material accounts for 10～40%, and mineral admixture accounts for 10～30% and accounts for 5～10% with other auxiliary materials.
2. a kind of heat-insulating construction material according to claim 1, is characterized in that: it is main gelling material that described gelling material is chosen ordinary Portland cement, and low alkali quick hardening sulphoaluminate cement or ordinary Portland cement are less important gelling material.
3. a kind of heat-insulating construction material according to claim 1, is characterized in that: described lagging material is selected foamed concrete or polystyrene foamed plastics.
4. a kind of heat-insulating construction material according to claim 1, is characterized in that: described mineral admixture is selected flyash.
5. a kind of heat-insulating construction material according to claim 1, is characterized in that: described other auxiliary materials are water reducer, water-resisting agent, high molecular polymer, suds-stabilizing agent admixture, chemical activator.
6. according to a kind of heat-insulating construction material described in claim 1 to 5, it is characterized in that: the production technique of described heat-insulating construction material mainly comprises the following steps:
(1) starting material and mix calculation: according to production intensity grade and external form type, calculate and produce raw materials proportioning, and choose the gelling material such as cement, flyash and sieve is got fine sand as aggregate, according to block performance, require and raw material ratio is chosen admixture;
(2) metering and stirring: strict measurement, to guarantee the stable performance of goods; The metering of being weighed before cement, flyash, fine sand etc. feed intake at every turn, through testing definite water consumption, strictly controls in production; Strict assurance mixed and churning time, guarantees building block quality and yield rate;
(3) vibratory compaction: for guaranteeing Forming Quality, compound water ratio is moderate, and cast is carried out with Vibration Synchronization, mold filling is wanted evenly;
(4) demoulding and maintenance: adopt natural curing, building block is put into reposefully together with mould to curing field, cover the maintenance of plastic film heat and moisture preserving, improve the early strength of base substrate, the demoulding after resting 2～4 days, carry out piling and cover wet curing, or put into plastic greenhouse and utilize solar energy curing, the number of times of watering every day is depending on climatic season, it is good that watering measures to keep the dampness of base substrate, to maintain normally carrying out of hydrated reaction of cement, coverture natural curing 20～40 days is opened in maintenance after two weeks; Natural curing technique must accomplish that base field is highly smooth, avoid distortion or fracture in maintenance processes, 3～5 layers of building block body pilings, adopt Insulation winter or promote building block sclerosis means, promote base substrate sclerosis, prevent from being exposed to the sun drenching with rain and avoid billet surface damage or crack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310699245.3A CN103641416B (en) | 2013-12-19 | 2013-12-19 | A kind of heat-insulating construction material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310699245.3A CN103641416B (en) | 2013-12-19 | 2013-12-19 | A kind of heat-insulating construction material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103641416A true CN103641416A (en) | 2014-03-19 |
| CN103641416B CN103641416B (en) | 2016-08-31 |
Family
ID=50246752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310699245.3A Expired - Fee Related CN103641416B (en) | 2013-12-19 | 2013-12-19 | A kind of heat-insulating construction material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103641416B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106930473A (en) * | 2017-03-28 | 2017-07-07 | 佛山佳牧乐科技有限公司 | A kind of dismountable assembled house top board |
| CN107010887A (en) * | 2017-05-02 | 2017-08-04 | 泰安鲁珠保温建材有限公司 | A kind of formula of cracking resistance heat insulating composite building block and preparation method thereof |
| CN107009513A (en) * | 2017-05-09 | 2017-08-04 | 湖南诚善企业服务有限公司 | The method that multifunctional concrete composite heat insulation block is produced using tailings |
| CN107082605A (en) * | 2017-05-02 | 2017-08-22 | 泰安鲁珠保温建材有限公司 | A kind of formula of anti-seepage heat insulating composite block and preparation method thereof |
| CN110734254A (en) * | 2019-10-23 | 2020-01-31 | 河南晖睿智能科技有限公司 | composite heat-insulating novel building material and preparation method thereof |
| CN111908948A (en) * | 2020-08-12 | 2020-11-10 | 佛山市铁源建材科技有限公司 | Preparation method of composite foam concrete |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60226441A (en) * | 1984-04-24 | 1985-11-11 | 株式会社トクヤマ | Cement mortar conposition |
| DE19643367A1 (en) * | 1996-10-09 | 1998-04-16 | Witega Angewandte Werkstoff Forschung Gemeinnuetzige Gmbh Adlershof | Highly insulating light constructional concrete |
| CN102643057A (en) * | 2012-04-06 | 2012-08-22 | 中国电力科学研究院 | EPS (expanded polystyrene) light aggregate concrete thermal insulation building mould and construction method thereof |
-
2013
- 2013-12-19 CN CN201310699245.3A patent/CN103641416B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60226441A (en) * | 1984-04-24 | 1985-11-11 | 株式会社トクヤマ | Cement mortar conposition |
| DE19643367A1 (en) * | 1996-10-09 | 1998-04-16 | Witega Angewandte Werkstoff Forschung Gemeinnuetzige Gmbh Adlershof | Highly insulating light constructional concrete |
| CN102643057A (en) * | 2012-04-06 | 2012-08-22 | 中国电力科学研究院 | EPS (expanded polystyrene) light aggregate concrete thermal insulation building mould and construction method thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106930473A (en) * | 2017-03-28 | 2017-07-07 | 佛山佳牧乐科技有限公司 | A kind of dismountable assembled house top board |
| CN106930473B (en) * | 2017-03-28 | 2019-03-26 | 佛山佳牧乐科技有限公司 | A kind of dismountable assembled house top plate |
| CN107010887A (en) * | 2017-05-02 | 2017-08-04 | 泰安鲁珠保温建材有限公司 | A kind of formula of cracking resistance heat insulating composite building block and preparation method thereof |
| CN107082605A (en) * | 2017-05-02 | 2017-08-22 | 泰安鲁珠保温建材有限公司 | A kind of formula of anti-seepage heat insulating composite block and preparation method thereof |
| CN107009513A (en) * | 2017-05-09 | 2017-08-04 | 湖南诚善企业服务有限公司 | The method that multifunctional concrete composite heat insulation block is produced using tailings |
| CN110734254A (en) * | 2019-10-23 | 2020-01-31 | 河南晖睿智能科技有限公司 | composite heat-insulating novel building material and preparation method thereof |
| CN111908948A (en) * | 2020-08-12 | 2020-11-10 | 佛山市铁源建材科技有限公司 | Preparation method of composite foam concrete |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103641416B (en) | 2016-08-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103304199B (en) | Multifunctional inorganic thermal insulation material composition, product comprising same and preparation method of product | |
| CN103641416A (en) | Heat insulation building material | |
| CN100368646C (en) | Light composite heat insulating wall block and its production process | |
| CN103073246B (en) | Special masonry binder for autoclaved aerated concrete | |
| CN101497517A (en) | Ceramsite autoclaved aerated concrete and production method thereof | |
| CN102505798A (en) | Composite heat-insulating wallboard and preparation method thereof | |
| CN101935192A (en) | Anti-cracking and anti-permeability lightweight aggregate insulating concrete | |
| CN106242426A (en) | External-wall heat-insulation material and preparation method thereof | |
| CN103664122A (en) | Novel light-weight porous heat-insulating material and preparation method thereof | |
| CN102041871A (en) | Lightly-calcined-dolomite sandwich composite partition wall plate and manufacturing method thereof | |
| CN102515838A (en) | Lightweight aggregate foam concrete warming plate with low shrinkage and low water absorption | |
| CN101139188A (en) | Energy-saving heat-insulating masonry mortar and method for making same | |
| CN104355576A (en) | Waterproof self-insulation brick and preparation method thereof | |
| CN103408272A (en) | Design method of ceramsite foam concrete | |
| CN105619596A (en) | Preparation method of foam concrete composite board | |
| CN106320597A (en) | Fabricated light heat insulation wallboard for buildings and preparing technology | |
| CN102701648B (en) | Foam concrete doped with lightweight foam and production method of foam concrete | |
| CN201991104U (en) | Structure of self-heat preservation system | |
| CN110734254A (en) | composite heat-insulating novel building material and preparation method thereof | |
| CN101138897B (en) | Light composite heat-preserving building blocks | |
| CN201155161Y (en) | Light weight haydite concrete sandwiched building blocks | |
| CN106380168B (en) | A kind of production method of energy-conserving plate material | |
| CN203174901U (en) | Foam concrete roof cast-in-place slab | |
| CN105544829A (en) | Steel fiber regeneration brick granule concrete single-rib baseboard composite floor slab and manufacturing method thereof | |
| CN109437802A (en) | A kind of sulphate aluminium cement assembled integrated interior wall and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20191219 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |