CN102603236A - Waste brick recycled concrete building material and manufacturing method thereof - Google Patents
Waste brick recycled concrete building material and manufacturing method thereof Download PDFInfo
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- CN102603236A CN102603236A CN2012100681244A CN201210068124A CN102603236A CN 102603236 A CN102603236 A CN 102603236A CN 2012100681244 A CN2012100681244 A CN 2012100681244A CN 201210068124 A CN201210068124 A CN 201210068124A CN 102603236 A CN102603236 A CN 102603236A
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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
Abstract
The invention relates to a waste brick recycled concrete building material and a manufacturing method thereof. The manufacturing method comprises the following steps of: as waste brick blocks or crushed brick materials obtained from engineering construction and dismounted buildings are taken as a raw material, crushing, screening, classifying, removing dust and soaking to obtain brick aggregates, and stirring the brick aggregates, sand, cement and water according to a certain proportion to obtain a suitable fully-new building material. The waste brick recycled concrete building material can be used for producing high-strength brick blocks and can be also taken as a foundation filter, a roadbed material or a landscape road bridge material so as to relieve a problem that the building material is short. The waste brick recycled concrete building material produced by the producing method disclosed by the invention has the advantages of high strength, no pollution, low cost, wide application range, good sustainability and benefits and the like, matches national requirements on energy saving, environment friendly development, low carbon and economy. Therefore, the material and the method can contribute economic construction and can also reduce consumption of natural resources.
Description
Technical field
The invention belongs to building material technical field, relate to the waste and old fragment of brick and the brickbat that utilize engineering construction or buildings to be disassembled and bear a kind of new Green environmental-protection building material and the making method of regenerated building material again.
Background technology
Brick is the traditional materials for wall of China, uses extensively, and more than 500 ten thousand mu are taken up an area of in about 120,000 of the total brick enterprise in the whole nation, bakes bricks every year to ruin the field number and reach 120,000 mu.Though ban use of solid clay brick on the policy, yet, since brick have gather materials on the spot, low price, durable in use, also have advantages such as fire prevention, heat insulation, sound insulation, the moisture absorption, therefore, various types of bricks are still in a large amount of uses.Along with the fast development of urban construction, the removal in the old and new cities and towns and construction alternate, and add the influence of some natural disasteies, cause producing a large amount of building wastes such as the waste and old brick of building, and environment for human survival is caused bad influence.It is very big to build waste and old fragment of brick or brickbat content in building waste, and therefore, rationally handling and utilizing waste and old brick is a problem extremely to be solved.
International Structure and the research of material laboratory federation show that the annual emissions per capita of most industrialized countries building waste reaches 1 ton, and these building wastes of recycle can reduce the consumption of 5% natural resource every year.Contain a large amount of brick class materials in the building waste, rationally utilize the not only environmental protection and energy saving of composition brick class material, and contain huge economic.According to correlation estimation, to the year two thousand twenty, China at least newly produces 3,000,000,000 tons of building solid castoffs, wherein contains a large amount of waste and old bricks, and as will wherein 50% being converted into ecotecture sheet material, with 6,000 hundred million yuan of the creations of value, social benefit and economic benefit are considerable.
At present, the concrete year output in the whole world is huge, and Chinese concrete YO accounts for 45%, 2011 year 1～December of world's total amount, and the concrete output of Chinese commodity reaches 7.4 billion cubic meters, increases by 27.2% on a year-on-year basis.The production concrete need expend raw material medium stone mineral aggregate and account for 70%, and mine resources is a kind of Nonrenewable resources, needs to strengthen protection.Therefore, two big problems of present stage material of construction existence: the one,, the punishment and the environmental problem of building waste (comprising waste and old brick); The 2nd,, the contradiction between the required building materials amount of China needs protection than big and rubble mine resources.Chinese patent " CN1383939A " discloses Regenrated brick and preparation method thereof, and its intensity of laying bricks is lower, and grout is had relatively high expectations.Chinese patent " CN1673160A " discloses building refuse brick and method of manufacture thereof, and its sticker is formed more, and intensity is not high.These patent finished products are mainly done building block and are used, and do not give full play to the effect of waste and old brick.
Summary of the invention
To above-mentioned existing technical problem and deficiency; The present invention can provide terms of settlement; Through refining engineering construction or buildings waste and old fragment of brick and the brickbat in disassembling, waste and old fragment of brick and brickbat as the regeneration concrete material aggregate, are obtained the regeneration concrete material of construction of environmental protection.Through recycling waste and old brick regenerated building material, realize resource utilization, innoxious and sustainableization of the waste and old brick of building.The present invention has raw material and forms that simple, waste and old brick usage quantity is big, making method is reliable, energy consumption is low, the intensity advantages of higher, and pays attention to the energy-conserving and environment-protective theory.The present invention not only can solve the punishment and the environmental problem of the waste and old brick of building, and can alleviate the nervous contradiction of the required building supplies of China's infrastructure construction, also helps to strengthen protection rubble mineral aggregate.
Ultimate principle of the present invention: (JGJ55-2000) according to " design of common concrete proportioning rules "; Utilize the big characteristics of brick porosity; Adopt the equal-volume substitution method that the brick aggregate is replaced rubble; Regulate brick aggregate size, cement consumption and the water yield, uniform stirring mixture makes the mechanical property of regeneration concrete building materials reach optimum.The brick aggregate must suction enough water among the present invention, and controls the water consumption of making processes well.
Technical scheme of the present invention and making method: raw material composition and weight percentage thereof are following
Brick aggregate: 42%～50%
Sand: 22%～30%
Cement: 17%～20%
Water: 7%～9%
Wherein: the brick aggregate size is distributed by level Four, i.e. particle diameter 4.75～9.5mm, particle diameter 9.5～16mm, particle diameter 16～19mm, particle diameter 19～26.5mm.
The concrete steps of making method of the present invention are following:
(1) brick aggregate preparation
After waste and old fragment of brick or brickbat dismounting and dismemberent, the assorted dirt in cleaning surface; Be ground into aggregate to brick through crusher, be broken into and should be specifically noted that the utilization ratio that improves brick in the aggregate process, the particle size range of aggregate is elected 4.75mm～26.5mm as; The brick aggregate is put into water for some time, guarantee that the brick aggregate suctions water.
(2) raw material is prepared
After the completion of (1) step; Form and weight percentage preparation raw material according to raw material, the brick aggregate of screening different-grain diameter weight percentage, sand and water are according to the manufactured by common concrete requirement; Cement adopts ordinary Portland cement, water consumption not to contain water ratio and the water ratio of sand after the brick suction.
(3) twice-laid stuff is made and moulding
After the completion of (2) step; Ready different-grain diameter brick aggregate, sand and cement are sent in the base-material stirrer; And the water that adds weight percentage stirs, and obtains the regenerated building material, makes twice-laid stuff performance test test specimen then; The resistance to compression sample dimensions adopts 150mm * 150mm * 150mm, and anti-folding sample dimensions adopts 100mmx100mmx600mm; Standard regeneration concrete building materials test specimen curing condition and requirement: temperature is 20 ± 2 degrees centigrade; Relative humidity is more than 95%; Maintenance 28 days, the watering maintenance is no less than 7 days, and obtaining the test specimen mean compressive strength is that 13.20～23.41MPa, average folding strength are 3.80～4.57MPa.
Advantage of the present invention and benefit are following: (1) raw material is formed simple; (2) making method is reliable; (3) low, the energy-conserving and environment-protective of energy consumption can be recycled the waste and old brick of a large amount of buildings; (4) intensity is high; (5) but mass production is good in economic efficiency, for the development of new material of construction provides a good approach.
Description of drawings
Accompanying drawing is technological process of production figure of the present invention.
Embodiment
Below in conjunction with embodiment, further explain technical scheme of the present invention.
Embodiment 1
Raw material composition and weight percentage thereof are following:
Brick aggregate: 42%
Sand: 30%
Cement: 19%
Water: 9%
Wherein: brick aggregate different-grain diameter weight percentage is distributed as follows: particle diameter 4.75～9.5mm accounts for 10%, particle diameter 9.5～16mm accounts for 20%, particle diameter 16～19mm accounts for 20%, particle diameter 19～26.5mm accounts for 50%.
The making method step of present embodiment is following:
(1) brick aggregate preparation
After waste and old fragment of brick or brickbat dismounting and dismemberent, the assorted dirt in cleaning surface; Be ground into aggregate to brick through crusher, be broken into and should be specifically noted that the utilization ratio that improves brick in the aggregate process, the particle size range of aggregate is elected 4.75mm～26.5mm as; The brick aggregate is put into water for some time, guarantee that the brick aggregate suctions water.
(2) raw material is prepared
After the completion of (1) step; Form and weight percentage preparation raw material according to raw material, the brick aggregate of screening different-grain diameter weight percentage, sand and water are according to the manufactured by common concrete requirement; Cement adopts ordinary Portland cement, water consumption not to contain water ratio and the water ratio of sand after the brick suction.
(3) twice-laid stuff is made and moulding
After the completion of (2) step; Ready different-grain diameter brick aggregate, sand and cement are sent in the base-material stirrer; And the water that adds weight percentage stirs, and obtains the regenerated building material, makes twice-laid stuff performance test test specimen then; The resistance to compression sample dimensions adopts 150mm * 150mm * 150mm, and anti-folding sample dimensions adopts 100mmx100mmx600mm; Standard regeneration concrete building materials test specimen curing condition and requirement: temperature is 20 ± 2 degrees centigrade, and relative humidity is more than 95%, maintenance 28 days, and the watering maintenance is no less than 7 days, and obtaining the test specimen mean compressive strength is that 22.19MPa, average folding strength are 4.57MPa.
Embodiment 2
Raw material composition and weight percentage thereof are following:
Brick aggregate: 42%
Sand: 30%
Cement: 19%
Water: 9%
Wherein: brick aggregate different-grain diameter weight percentage is distributed as follows: particle diameter 4.75～9.5mm accounts for 10%, particle diameter 9.5～16mm accounts for 20%, particle diameter 16～19mm accounts for 50%, particle diameter 19～26.5mm accounts for 20%.
The making method step of present embodiment is following:
(1) brick aggregate preparation
With embodiment 1.
(2) raw material is prepared
With embodiment 1.The present embodiment characteristics: particle diameter 16～19mm and particle diameter 19～26.5mm respectively account for 50% and 20% in the particle diameter content of four kinds of gratings, and other particle diameter content is with embodiment 1.
(3) twice-laid stuff is made and moulding
With embodiment 1.The present embodiment characteristics: the test specimen mean compressive strength that obtains is that 23.41MPa, average folding strength are 4.36MPa.
Embodiment 3
Raw material composition and weight percentage thereof are following:
Brick aggregate: 42%
Sand: 30%
Cement: 19%
Water: 9%
Wherein: brick aggregate different-grain diameter weight percentage is distributed as follows: particle diameter 4.75～9.5mm accounts for 20%, particle diameter 9.5～16mm accounts for 50%, particle diameter 16～19mm accounts for 20%, particle diameter 19～26.5mm accounts for 10%.
The making method step of present embodiment is following:
(1) brick aggregate preparation
With embodiment 1.
(2) raw material is prepared
With embodiment 1.The present embodiment characteristics: particle diameter 4.75～9.5mm, particle diameter 9.5～16mm, particle diameter 16～19mm and particle diameter 19～26.5mm respectively account for 20%, 50%, 20% and 10% in the particle diameter content of four kinds of gratings.
(3) twice-laid stuff is made and moulding
With embodiment 1.The present embodiment characteristics: the test specimen mean compressive strength that obtains is that 22.63MPa, average folding strength are 4.40MPa.
Embodiment 4
Raw material composition and weight percentage thereof are following:
Brick aggregate: 42%
Sand: 30%
Cement: 19%
Water: 9%
Wherein: brick aggregate different-grain diameter weight percentage is distributed as follows: particle diameter 4.75～9.5mm accounts for 50%, particle diameter 9.5～16mm accounts for 20%, particle diameter 16～19mm accounts for 20%, particle diameter 19～26.5mm accounts for 10%.
The making method step of present embodiment is following:
(1) brick aggregate preparation
With embodiment 1.
(2) raw material is prepared
With embodiment 1.The present embodiment characteristics: particle diameter 4.75～9.5mm and particle diameter 19～26.5mm respectively account for 50% and 10% in the particle diameter content of four kinds of gratings, and other particle diameter content is with embodiment 1.
(3) twice-laid stuff is made and moulding
With embodiment 1.The present embodiment characteristics: the test specimen mean compressive strength that obtains is that 22.01MPa, average folding strength are 4.18MPa.
Embodiment 5
Raw material composition and weight percentage thereof are following:
Brick aggregate: 50%
Sand: 25%
Cement: 17%
Water: 8%
Wherein: the brick aggregate size is controlled in 9.5～19mm scope.
The making method step of present embodiment is following:
(1) brick aggregate preparation
With embodiment 1.The present embodiment characteristics: the particle size range of brick aggregate is elected 9.5～19mm as.
(2) raw material is prepared
With embodiment 1.
(3) twice-laid stuff is made and moulding
With embodiment 1.The present embodiment characteristics: the test specimen mean compressive strength that obtains is that 22.10MPa, average folding strength are 4.47MPa.
Embodiment 6
Raw material composition and weight percentage thereof are following:
Brick aggregate: 49%
Sand: 25%
Cement: 18%
Water: 8%
Wherein: the brick aggregate size is controlled in 9.5～19mm scope.
The making method step of present embodiment is following:
(1) brick aggregate preparation
With embodiment 5.
(2) raw material is prepared
With embodiment 5.
(3) twice-laid stuff is made and moulding
With embodiment 5.The present embodiment characteristics: the test specimen mean compressive strength that obtains is that 18.10MPa, average folding strength are 4.15MPa.
Embodiment 7
Raw material composition and weight percentage thereof are following:
Brick aggregate: 50%
Sand: 24%
Cement: 19%
Water: 7%
Wherein: the brick aggregate size is controlled in 9.5～19mm scope.
The making method step of present embodiment is following:
(1) brick aggregate preparation
With embodiment 5.
(2) raw material is prepared
With embodiment 5.
(3) twice-laid stuff is made and moulding
With embodiment 5.The present embodiment characteristics: the test specimen mean compressive strength that obtains is that 16.60MPa, average folding strength are 4.01MPa.
Embodiment 8
Raw material composition and weight percentage thereof are following:
Brick aggregate: 50%
Sand: 22%
Cement: 20%
Water: 8%
Wherein: the brick aggregate size is controlled in 9.5～19mm scope.
The making method step of present embodiment is following:
(1) brick aggregate preparation
With embodiment 5.
(2) raw material is prepared
With embodiment 5.
(3) twice-laid stuff is made and moulding
With embodiment 5.The present embodiment characteristics: the test specimen mean compressive strength that obtains is that 13.20MPa, average folding strength are 3.80MPa.
Experimental result
Make the regeneration concrete building materials according to embodiment 1～8, adopt the National Standard standard for test methods of mechanical properties of ordinary concrete " methods such as (GB/T 50081-2002), regenerated construction material is carried out Mechanics Performance Testing, test result such as following table:
The raw material of the waste and old brick regenerated construction material of table 1 is formed and mechanical property
Experimental result through embodiment 1～8 shows, adopts method of the present invention can produce the regeneration concrete building materials of environmental protection, and it is a kind of good sustainable energy saving building material.Regenerated construction material according to raw material is formed and weight percentage obtains can use following aspect: (1) building wall block; (2) ground is handled; (3) supercrust in roadbed filling, road paving tile, the sub-district; (4) view road and bridge etc.Therefore, using value of the present invention is high, and good environmental benefit and economic benefit are arranged.
Claims (10)
1. waste and old brick regeneration concrete building materials, its raw material composition and weight percentage thereof are following:
Brick aggregate: 42%～50%
Sand: 22%～30%
Cement: 17%～20%
Water: 7%～9%
Wherein: the brick aggregate size is distributed by level Four, i.e. particle diameter 4.75～9.5mm, particle diameter 9.5～16mm, particle diameter 16～19mm, particle diameter 19～26.5mm.
2. according to the described waste and old brick regeneration concrete building materials of claim 1, it is characterized in that:
Brick aggregate: 42%
Sand: 30%
Cement: 19%
Water: 9%
Wherein: the brick aggregate size is distributed by level Four, i.e. particle diameter 4.75～9.5mm, particle diameter 9.5～16mm, particle diameter 16～19mm, particle diameter 19～26.5mm.
3. according to the described waste and old brick regeneration concrete building materials of claim 1, it is characterized in that:
Brick aggregate: 50%
Sand: 25%
Cement: 17%
Water: 8%
Wherein: the brick aggregate size is controlled in 9.5～19mm scope.
4. according to the described waste and old brick regeneration concrete building materials of claim 1, it is characterized in that:
Brick aggregate: 49%
Sand: 25%
Cement: 18%
Water: 8%
Wherein: the brick aggregate size is controlled in 9.5～19mm scope.
5. according to the described waste and old brick regeneration concrete building materials of claim 1, it is characterized in that:
Brick aggregate: 50%
Sand: 22%
Cement: 20%
Water: 8%
Wherein: the brick aggregate size is controlled in 9.5～19mm scope.
6. the making method of waste and old brick regeneration concrete building materials, its concrete steps are following:
(1) brick aggregate preparation
After waste and old fragment of brick or brickbat dismounting and dismemberent, the assorted dirt in cleaning surface; Be ground into aggregate to brick through crusher, be broken into and should be specifically noted that the utilization ratio that improves brick in the aggregate process, the particle size range of aggregate is elected 4.75mm～26.5mm as; The brick aggregate is put into water for some time, guarantee that the brick aggregate suctions water;
(2) raw material is prepared
After the completion of (1) step; Form and weight percentage preparation raw material according to raw material, the brick aggregate of screening different-grain diameter weight percentage, sand and water are according to the manufactured by common concrete requirement; Cement adopts ordinary Portland cement, water consumption not to contain water ratio and the water ratio of sand after the brick suction;
(3) twice-laid stuff is made and moulding
After the completion of (2) step; Ready different-grain diameter brick aggregate, sand and cement are sent in the base-material stirrer; And the water that adds weight percentage stirs, and obtains the regenerated building material, makes twice-laid stuff performance test test specimen then; The resistance to compression sample dimensions adopts 150mm * 150mm * 150mm, and anti-folding sample dimensions adopts 100mmx100mmx600mm; Standard regeneration concrete building materials test specimen curing condition and requirement: temperature is 20 ± 2 degrees centigrade; Relative humidity is more than 95%; Maintenance 28 days, the watering maintenance is no less than 7 days, and obtaining the test specimen mean compressive strength is that 13.20～23.41MPa, average folding strength are 3.80～4.57MPa.
7. according to the making method of the described waste and old brick regeneration concrete building materials of claim 6, it is characterized in that:
(1) brick aggregate preparation
With claim 6;
(2) raw material is prepared
With claim 6; Characteristic is: brick aggregate: sand: cement: the weight percent of water is 42%: 30%: 19%: 9%; The brick aggregate size is distributed by level Four, i.e. particle diameter 4.75～9.5mm, particle diameter 9.5～16mm, particle diameter 16～19mm, particle diameter 19～26.5mm;
(3) twice-laid stuff is made and moulding
With claim 6, characteristic is: waste and old brick regeneration concrete building materials test specimen mean compressive strength is that 22.01～23.41MPa, average folding strength are 4.18～4.57MPa.
8. according to the making method of the described waste and old brick regeneration concrete building materials of claim 6, it is characterized in that:
(1) brick aggregate preparation
With claim 6;
(2) raw material is prepared
With claim 6, characteristic is: brick aggregate: sand: cement: the weight percent of water is 50%: 25%: 17%: 8%, and the brick aggregate size is controlled in 9.5～19mm scope;
(3) twice-laid stuff is made and moulding
With claim 6, characteristic is: waste and old brick regeneration concrete building materials test specimen mean compressive strength is that 22.10MPa, average folding strength are 4.47MPa.
9. according to the making method of the described waste and old brick regeneration concrete building materials of claim 6, it is characterized in that:
(1) brick aggregate preparation
With claim 6;
(2) raw material is prepared
With claim 6, characteristic is: brick aggregate: sand: cement: the weight percent of water is 49%: 25%: 18%: 8%, and the brick aggregate size is controlled in 9.5～19mm scope;
(3) twice-laid stuff is made and moulding
With claim 6, characteristic is: waste and old brick regeneration concrete building materials test specimen mean compressive strength is that 18.10MPa, average folding strength are 4.15MPa.
10. according to the making method of the described waste and old brick regeneration concrete building materials of claim 6, it is characterized in that:
(1) brick aggregate preparation
With claim 6;
(2) raw material is prepared
With claim 6, characteristic is: brick aggregate: sand: cement: the weight percent of water is 50%: 22%: 20%: 8%, and the brick aggregate size is controlled in 9.5～19mm scope;
(3) twice-laid stuff is made and moulding
With claim 6, characteristic is: waste and old brick regeneration concrete building materials test specimen mean compressive strength is that 13.20MPa, average folding strength are 3.80MPa.
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| CN2012100681244A CN102603236A (en) | 2012-03-06 | 2012-03-06 | Waste brick recycled concrete building material and manufacturing method thereof |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103639174A (en) * | 2013-12-09 | 2014-03-19 | 中联重科物料输送设备有限公司 | Processing method for construction waste and processing system for method |
| CN103711252A (en) * | 2013-12-26 | 2014-04-09 | 深圳大学 | Method and process for preparing straw wall units by using recycled straw wall units |
| US8992681B2 (en) | 2011-11-01 | 2015-03-31 | King Abdulaziz City For Science And Technology | Composition for construction materials manufacturing and the method of its production |
| CN104529335A (en) * | 2014-12-20 | 2015-04-22 | 郑州大学 | Waste sintered brick regenerative C35 steel fiber reinforced concrete and preparation method thereof |
| US9085678B2 (en) | 2010-01-08 | 2015-07-21 | King Abdulaziz City For Science And Technology | Clean flame retardant compositions with carbon nano tube for enhancing mechanical properties for insulation of wire and cable |
| CN104788033A (en) * | 2015-04-15 | 2015-07-22 | 重庆市环卫控股（集团）有限公司 | Building waste recycling method |
| CN106618317A (en) * | 2016-12-05 | 2017-05-10 | 平湖市欧迪雅厨卫设备有限公司 | Novel anti-skidding shower room |
| CN106725019A (en) * | 2016-12-05 | 2017-05-31 | 平湖市欧迪雅厨卫设备有限公司 | A kind of environmentally friendly anti-skid base of shower house |
| CN106725018A (en) * | 2016-12-05 | 2017-05-31 | 平湖市欧迪雅厨卫设备有限公司 | A kind of environmentally friendly anti-skidding shower house |
| CN109013015A (en) * | 2018-08-24 | 2018-12-18 | 临汾市华基建材科技有限公司 | Solid waste tailing and building waste comprehensively utilize workshop |
| CN109138307A (en) * | 2018-10-16 | 2019-01-04 | 严园妹 | A kind of anti-hollowing wall of environmental protection and its construction method |
| CN109928689A (en) * | 2019-04-20 | 2019-06-25 | 方宝 | A kind of regeneration concrete and preparation method thereof |
| CN112028515A (en) * | 2020-09-16 | 2020-12-04 | 北京联绿技术集团有限公司 | Filler made of waste building bricks |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US9085678B2 (en) | 2010-01-08 | 2015-07-21 | King Abdulaziz City For Science And Technology | Clean flame retardant compositions with carbon nano tube for enhancing mechanical properties for insulation of wire and cable |
| US8992681B2 (en) | 2011-11-01 | 2015-03-31 | King Abdulaziz City For Science And Technology | Composition for construction materials manufacturing and the method of its production |
| CN103639174B (en) * | 2013-12-09 | 2016-06-01 | 中联重科物料输送设备有限公司 | The treatment process of building waste and treatment system thereof |
| CN103639174A (en) * | 2013-12-09 | 2014-03-19 | 中联重科物料输送设备有限公司 | Processing method for construction waste and processing system for method |
| CN103711252A (en) * | 2013-12-26 | 2014-04-09 | 深圳大学 | Method and process for preparing straw wall units by using recycled straw wall units |
| CN104529335A (en) * | 2014-12-20 | 2015-04-22 | 郑州大学 | Waste sintered brick regenerative C35 steel fiber reinforced concrete and preparation method thereof |
| CN104529335B (en) * | 2014-12-20 | 2016-09-28 | 郑州大学 | Discarded fired brick regeneration C35 steel fiber reinforced concrete and preparation method thereof |
| CN104788033A (en) * | 2015-04-15 | 2015-07-22 | 重庆市环卫控股（集团）有限公司 | Building waste recycling method |
| CN106618317A (en) * | 2016-12-05 | 2017-05-10 | 平湖市欧迪雅厨卫设备有限公司 | Novel anti-skidding shower room |
| CN106725019A (en) * | 2016-12-05 | 2017-05-31 | 平湖市欧迪雅厨卫设备有限公司 | A kind of environmentally friendly anti-skid base of shower house |
| CN106725018A (en) * | 2016-12-05 | 2017-05-31 | 平湖市欧迪雅厨卫设备有限公司 | A kind of environmentally friendly anti-skidding shower house |
| CN109013015A (en) * | 2018-08-24 | 2018-12-18 | 临汾市华基建材科技有限公司 | Solid waste tailing and building waste comprehensively utilize workshop |
| CN109138307A (en) * | 2018-10-16 | 2019-01-04 | 严园妹 | A kind of anti-hollowing wall of environmental protection and its construction method |
| CN109928689A (en) * | 2019-04-20 | 2019-06-25 | 方宝 | A kind of regeneration concrete and preparation method thereof |
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Application publication date: 20120725 |