CN109369121A - A kind of manufacture craft of high-elastic modulus fibre seif-citing rate regeneration concrete - Google Patents

A kind of manufacture craft of high-elastic modulus fibre seif-citing rate regeneration concrete Download PDF

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Publication number
CN109369121A
CN109369121A CN201811425828.6A CN201811425828A CN109369121A CN 109369121 A CN109369121 A CN 109369121A CN 201811425828 A CN201811425828 A CN 201811425828A CN 109369121 A CN109369121 A CN 109369121A
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China
Prior art keywords
elastic modulus
concrete
fibre
seif
regeneration concrete
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CN201811425828.6A
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Chinese (zh)
Inventor
卢亦焱
刘真真
李杉
梁鸿骏
胡霁月
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Wuhan University WHU
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Wuhan University WHU
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Priority to CN201811425828.6A priority Critical patent/CN109369121A/en
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02Compositions 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
    • C04B28/06Aluminous cements
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00017Aspects relating to the protection of the environment
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20Resistance against chemical, physical or biological attack
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20Resistance against chemical, physical or biological attack
    • C04B2111/28Fire resistance, i.e. materials resistant to accidental fires or high temperatures
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength

Abstract

The present invention discloses a kind of manufacture craft of high-elastic modulus fibre seif-citing rate regeneration concrete, including following components: regenerated coarse aggregate, natural coarse aggregate, natural fine aggregate, cement, high efficiency water reducing agent, mixing water, fiber, miberal powder, silicon ash, rubber grain.Fiber uses one kind of the high-elastic modulus fibres such as steel fibre, carbon fiber, basalt fibre, glass fibre.The present invention mitigates the extension of microdefect inside regeneration concrete using high-elastic modulus fibre, improves bending resistance, tensile strength and the toughness of regeneration concrete;Simultaneously because fiber elasticity modulus with higher itself, can be improved the elasticity modulus of regeneration concrete and the rigidity of component.The intensity that concrete is improved using miberal powder and silicon ash, reduces creeping for concrete.The ductility that concrete is improved using rubber grain, is improved the Anti-Chloride Ion Penetration and frost resistance of regeneration concrete, enhances its durability.

Description

A kind of manufacture craft of high-elastic modulus fibre seif-citing rate regeneration concrete
Technical field
The present invention relates to a kind of manufacture craft of regeneration concrete more particularly to a kind of high-elastic modulus fibre seif-citing rate regeneration are mixed Coagulate the manufacture craft of soil.
Background technique
With the fast development of construction industry, a large amount of building waste is generated in building construction and demolishing process, wherein 30%~40% is discarded concrete, and thus the problems such as caused land occupation, environmental pollution has caused extensive concern both domestic and external.I The social sustainable development strategy that government of state formulates, encourages the research and application of castoff regenerative technology.1997, firmly the portion of building will " building waste residue comprehensive utilization " is included in scientific and technological achievement key popularized project.2002, Shanghai municipal government " will carry out exploitation regenerated Abandon concrete and study new key technology and efficiently utilize it " it is included in key project.2010, the Ministry of Construction put into effect " mixed Solidifying soil and mortar recycled fine aggregate " and " concrete regenerated coarse aggregate " two national standards, the engineering of recycled aggregate is answered With being standardized.Currently, the problem of resource utilization of discarded concrete, has become the hot spot that current international community is paid close attention to jointly One of with advanced problems.
By recycled concrete aggregate, after crushing, cleaning and grading, it is mixed that regeneration is mixed to form with gradation according to a certain percentage Solidifying soil aggregate, by the concrete that it partly or entirely replaces natural aggregate to be formulated, referred to as regeneration concrete.Regeneration concrete On the one hand technology realizes the cycling and reutilization of a large amount of discarded concretes, solve the problem of environmental pollution of discarded concrete;Separately On the one hand, natural aggregate is replaced with the recycled aggregates of building waste, it is possible to reduce consumption of the construction industry to natural aggregate, from And reduce exploitation to natural sand stone, to environmental protection, economize on resources, developing ecology building all has extremely important meaning. However, recycled aggregate has the characteristics that porosity is high, water imbibition is strong, density is small low with intensity relative to natural aggregate.These are special Point causes compression strength, tensile strength, flexural strength, elasticity modulus, durability of regeneration concrete etc. all to compare normal concrete It is low, largely limit its popularization and application in engineering.
In this context, the present invention proposes a kind of novel high-elastic modulus fibre seif-citing rate regeneration concrete of composite material-, High-elastic modulus fibre, miberal powder, silicon ash and rubber grain are added in regeneration concrete, is acted on and being mitigated using the bridge joint of high-elastic modulus fibre The initiation and extension of microdefect, improve the property such as tension, bending resistance, shearing resistance, fire-resistance, ductility of regeneration concrete inside regeneration concrete Energy;Using the high elastic modulus of fiber, the elasticity modulus of regeneration concrete is improved, when being fabricated to component, component can be effectively improved Rigidity.The intensity of concrete is improved using miberal powder and silicon ash, and reduces creeping for it.Prolonging for concrete is improved using rubber Property, improve the Anti-Chloride Ion Penetration and frost resistance of regeneration concrete, enhances its durability.Pass through this novel composite wood The utilization efficiency of recycled aggregate can be improved in material, realizes the Sustainable Development Road of construction material.
Summary of the invention
It is an object of the present invention to make full use of discarded concrete, regeneration concrete, fiber concrete, seif-citing rate are mixed Solidifying soil technology combines, and proposes a kind of novel high-elastic modulus fibre seif-citing rate regeneration concrete of composite material-, and provide its system Make technique.Such new material, can solve discarded concrete recycles, regeneration concrete performance is poor, internal fissure excessively, prolong The problems such as property is poor, can significantly improve the stress performance of regenerated aggregate concrete.
To achieve the purpose of the present invention, solution are as follows:
A kind of manufacture craft of high-elastic modulus fibre seif-citing rate regeneration concrete, comprising the following steps:
Step 1, by self-stressing cement, high-elastic modulus fibre, miberal powder, silicon ash, rubber grain, 2~8 points of high efficiency water reducing agent mix Clock, until uniform;
Step 2, in 15 minutes, concrete mixing water will be added in the mixture of step 1, stirs 1.5~3 minutes, Produce cement slurry;
Step 3, in 15 minutes, fine aggregate and mix 1.5~3 minutes will be added in the cement slurry of step 2, until equal It is even, produce cement mortar slurry;
Step 4, it in 15 minutes, will be added in the cement mortar slurry of step 3 by natural coarse aggregate and regenerated coarse aggregate The coarse aggregate of composition simultaneously mix 1.5~3 minutes, until it is uniform, produce high-elastic modulus fibre seif-citing rate regenerated aggregate concrete.It is described High-elastic modulus fibre be high modulus fibre.High-elastic modulus fibre seif-citing rate regeneration concrete obtained will be completed in 30 minutes It pours.If it exceeds 30 minutes, initial set has occurred in regeneration concrete, then the concrete cannot be reused because intensity declines.
A kind of manufacture craft of above-mentioned high-elastic modulus fibre seif-citing rate regeneration concrete, the parts by weight of each component are as follows:
240~1200 parts of regenerated coarse aggregate;
0~840 part of natural coarse aggregate;
Natural 500~800 parts of fine aggregate;
650~850 parts of cement;
0~15 part of high efficiency water reducing agent;
150~280 parts of mixing water;
0~156 part of high-elastic modulus fibre;
0~180 part of miberal powder;
0~60 part of silicon ash;
0~160 part of rubber grain.
A kind of manufacture craft of above-mentioned high-elastic modulus fibre seif-citing rate regeneration concrete, in the step 1, the seif-citing rate Cement uses silicate self-stressing cement, aluminium sulfate self-stressing cement or aluminate self-stressing cement.
A kind of manufacture craft of above-mentioned high-elastic modulus fibre seif-citing rate regeneration concrete, in the step 1, the fiber is One kind of the high-elastic modulus fibre such as steel fibre, carbon fiber, basalt fibre, glass fibre.
A kind of manufacture craft of above-mentioned high-elastic modulus fibre seif-citing rate regeneration concrete, in the step 1, the miberal powder is Granulated blast-furnace miberal powder micro mist, product hierarchy are S95 grades.
A kind of manufacture craft of above-mentioned high-elastic modulus fibre seif-citing rate regeneration concrete, in the step 1, the silicon ash is Specific surface area is 17900m2The level-one SILICA FUME of/kg.
A kind of manufacture craft of above-mentioned high-elastic modulus fibre seif-citing rate regeneration concrete, in the step 1, the rubber by Waste tire of automobile is broken to be formed, and partial size is 1~2mm, apparent density 1225kg/m3, bulk density 617kg/m3
A kind of manufacture craft of above-mentioned high-elastic modulus fibre seif-citing rate regeneration concrete, in the step 3, fine aggregate is used Middle sand, fineness modulus are 2~3.
In a kind of manufacture craft of above-mentioned high-elastic modulus fibre seif-citing rate regeneration concrete, the step 4, coarse aggregate is adopted It is formed with natural aggregate and regenerated coarse aggregate, regenerated coarse aggregate is discarded concrete test block through artificial, hammer crushing crusher machine institute ?.Coarse aggregate size is 5~25mm, and wherein regenerated coarse aggregate substitution rate is 30%~100%.
The present invention has the advantages that the deficiency in terms of overcoming Mechanical properties of recycled concrete and working performance, hews out One can promote and apply the new road of Aggregate of recycled concrete, i.e., by it in conjunction with high-elastic modulus fibre, self-stressing cement, form one The novel high-elastic modulus fibre seif-citing rate regeneration concrete of composite material-of kind.Mitigate regeneration concrete using the bridge joint effect of fiber The initiation and extension of internal microdefect, improve the performances such as tension, bending resistance, shearing resistance, fire-resistance, the ductility of regeneration concrete;Utilize fibre The high elastic modulus of dimension improves the elasticity modulus of regeneration concrete, when being fabricated to component, can effectively improve the rigidity of component.Benefit The intensity that concrete is improved with miberal powder and silicon ash reduces always creeping and creeping substantially for regeneration concrete.It is improved using rubber mixed The ductility for coagulating soil, improves the Anti-Chloride Ion Penetration and frost resistance of regeneration concrete, enhances its durability.
Specific embodiment
Below by embodiment, the technical solutions of the present invention will be further described.
[embodiment 1]
A kind of manufacture craft of high-elastic modulus fibre seif-citing rate regeneration concrete, comprising the following steps:
Step 1, by self-stressing cement, high-elastic modulus fibre, miberal powder, silicon ash, rubber grain, 2~8 points of high efficiency water reducing agent mix Clock, until uniform;
Step 2, in 15 minutes, concrete mixing water will be added in the mixture of step 1, stirs 1.5~3 minutes, Produce cement slurry;
Step 3, in 15 minutes, fine aggregate and mix 1.5~3 minutes will be added in the cement slurry of step 2, uniformly, Produce cement mortar slurry;
Step 4, it in 15 minutes, will be added in the cement mortar slurry of step 3 by natural coarse aggregate and regenerated coarse aggregate The coarse aggregate of composition simultaneously mix 1.5~3 minutes, until it is uniform, produce high-elastic modulus fibre seif-citing rate regenerated aggregate concrete.It is described High-elastic modulus fibre be high modulus fibre.High-elastic modulus fibre seif-citing rate regeneration concrete obtained will be completed in 30 minutes It pours.If it exceeds 30 minutes, initial set has occurred in regeneration concrete, then the concrete cannot be reused because intensity declines.
[embodiment 2]
1. by 750 parts of aluminium sulfate self-stressing cements, 47.1 parts of end crotch type steel fibers, 4.88 parts of miberal powders, 4.02 portions of rubbers Glue particle, 2.22 parts of silicon ashes, 0.075 part high efficiency water reducing agent mix 2~8 minutes, until uniform;
2. 270.5 parts of mixing waters will be added in the mixture of step 1 in 15 minutes, stir 1.5~3 minutes, production Cement slurry out;
3. 634.1 parts of fine aggregates and mix 1.5~3 minutes will be added in the cement slurry of step 2 in 15 minutes, until Uniformly, cement mortar slurry is produced;
4. 182.3 parts of natural coarse aggregates, 546.7 parts of regeneration will be added in the cement mortar slurry of step 3 in 15 minutes Coarse aggregate simultaneously mix 1.5~3 minutes, until it is uniform, produce fiber seif-citing rate regenerated aggregate concrete;High-elastic modulus fibre obtained Seif-citing rate regeneration concrete will be completed to pour in 30 minutes.If it exceeds 30 minutes, initial set has occurred in regeneration concrete, then should Concrete cannot be reused because of intensity decline.
In above-mentioned steps 1, the miberal powder is granulated blast-furnace miberal powder micro mist, and product hierarchy is S95 grades.In above-mentioned steps 1, institute It is 17900m that state silicon ash, which be specific surface area,2The level-one SILICA FUME of/kg.In above-mentioned steps 1, the rubber is broken by waste tire of automobile Broken to form, partial size is 1~2mm, apparent density 1225kg/m3, bulk density 617kg/m3.In above-mentioned steps 3, fine aggregate The sand in, fineness modulus are 2~3.In above-mentioned steps 4, coarse aggregate is formed using natural aggregate and regenerated coarse aggregate, and regeneration is thick Aggregate is discarded concrete test block through obtained by artificial, hammer crushing crusher machine.Coarse aggregate size is 5~25mm, wherein regenerating Coarse aggregate substitution rate is 30%~100%.
The fiber seif-citing rate regenerated aggregate concrete made using this manufacture craft flows the slump >=550mm, Self-stress value >=3MPa.According to national standard " standard for test methods of mechanical properties of ordinary concrete " (GB/T 50081-2016) The cubic compressive strength of concrete is tested, result 43.9MPa.
[embodiment 3]
1. by 750 parts of aluminium sulfate self-stressing cements, 47.1 parts of end crotch type steel fibers, 2.16 parts of miberal powders, 3.32 portions of rubbers Glue particle, 2.22 parts of silicon ashes, 0.9 part high efficiency water reducing agent mix 2~8 minutes, until uniform;
2. 225.9 parts of mixing waters will be added in the mixture of step 1 in 15 minutes, stir 1.5~3 minutes, production Cement slurry out;
3. 675.8 parts of fine aggregates and mix 1.5~3 minutes will be added in the cement slurry of step 2 in 15 minutes, until Uniformly, cement mortar slurry is produced;
4. 378 parts of natural coarse aggregates, 378 parts of thick bones of regeneration will be added in the cement mortar slurry of step 3 in 15 minutes Expect simultaneously mix 1.5~3 minutes, until it is uniform, produce fiber seif-citing rate regenerated aggregate concrete;High-elastic modulus fibre obtained is answered certainly Power regeneration concrete will be completed to pour in 30 minutes.If it exceeds 30 minutes, initial set has occurred in regeneration concrete, then the coagulation Soil cannot be reused because of intensity decline.
In above-mentioned steps 1, the miberal powder is granulated blast-furnace miberal powder micro mist, and product hierarchy is S95 grades.In above-mentioned steps 1, institute It is 17900m that state silicon ash, which be specific surface area,2The level-one SILICA FUME of/kg.In above-mentioned steps 1, the rubber is broken by waste tire of automobile Broken to form, partial size is 1~2mm, apparent density 1225kg/m3, bulk density 617kg/m3.In above-mentioned steps 3, fine aggregate The sand in, fineness modulus are 2~3.In above-mentioned steps 4, coarse aggregate is formed using natural aggregate and regenerated coarse aggregate, and regeneration is thick Aggregate is discarded concrete test block through obtained by artificial, hammer crushing crusher machine.Coarse aggregate size is 5~25mm, wherein regenerating Coarse aggregate substitution rate is 30%~100%.
The fiber seif-citing rate regenerated aggregate concrete made using this manufacture craft flows the slump >=550mm, Self-stress value >=3MPa.According to national standard " standard for test methods of mechanical properties of ordinary concrete " (GB/T 50081-2016) The cubic compressive strength of concrete is tested, result 63.3MPa.
[embodiment 4]
1. by 750 parts of aluminium sulfate self-stressing cements, 94.2 parts of end crotch type steel fibers, 1.08 parts of miberal powders, 4.02 portions of rubbers Glue particle, 2.22 parts of silicon ashes, 1.5 parts high efficiency water reducing agent mix 2~8 minutes, until uniform;
2. 225.9 parts of mixing waters will be added in the mixture of step 1 in 15 minutes, stir 1.5~3 minutes, production Cement slurry out;
3. 675.8 parts of fine aggregates and mix 1.5~3 minutes will be added in the cement slurry of step 2 in 15 minutes, until Uniformly, cement mortar slurry is produced;
4. 378 parts of natural coarse aggregates, 378 parts of thick bones of regeneration will be added in the cement mortar slurry of step 3 in 15 minutes Expect simultaneously mix 1.5~3 minutes, until it is uniform, produce fiber seif-citing rate regenerated aggregate concrete;High-elastic modulus fibre obtained is answered certainly Power regeneration concrete will be completed to pour in 30 minutes.If it exceeds 30 minutes, initial set has occurred in regeneration concrete, then the coagulation Soil cannot be reused because of intensity decline.
In above-mentioned steps 1, the miberal powder is granulated blast-furnace miberal powder micro mist, and product hierarchy is S95 grades.In above-mentioned steps 1, institute It is 17900m that state silicon ash, which be specific surface area,2The level-one SILICA FUME of/kg.In above-mentioned steps 1, the rubber is broken by waste tire of automobile Broken to form, partial size is 1~2mm, apparent density 1225kg/m3, bulk density 617kg/m3.In above-mentioned steps 3, fine aggregate The sand in, fineness modulus are 2~3.In above-mentioned steps 4, coarse aggregate is formed using natural aggregate and regenerated coarse aggregate, and regeneration is thick Aggregate is discarded concrete test block through obtained by artificial, hammer crushing crusher machine.Coarse aggregate size is 5~25mm, wherein regenerating Coarse aggregate substitution rate is 30%~100%.
The fiber seif-citing rate regenerated aggregate concrete made using this manufacture craft flows the slump >=550mm, Self-stress value >=3MPa.According to national standard " standard for test methods of mechanical properties of ordinary concrete " (GB/T 50081-2016) The cubic compressive strength of concrete is tested, result 64.2MPa.
The invention has the advantages that high-elastic modulus fibre seif-citing rate regenerated aggregate concrete has given full play to the enhancing of fiber Effect, effectively improves the elasticity modulus and toughness of regeneration concrete, reduces the creep and shrinkage of regeneration concrete, enhance The moulding of regeneration concrete, compared with traditional regeneration concrete structure, Compressive Bearing Capacity, anti-bending bearing capacity, endurance, The mechanical properties such as abrasion performance, toughness are greatly improved.Miberal powder and silicon ash be filled into the gap between aggregate formed it is fine and close and Firm gel heap polymers, improves the intensity and compactness of concrete, to form the good coagulation of high-strength, wear-resisting impermeability Soil.Rubber grain improves the internal structure of concrete by physical action, improves the ductility of concrete, improves regeneration concrete Anti-Chloride Ion Penetration and frost resistance, durability strengthened.The present invention obtains the mechanical property of regenerated aggregate concrete To abundant application, not only solves building castoff and ecology is broken in the pollution problem of environment and exploitation natural sand stone aggregate It is bad, also widen the application approach of regeneration concrete.It is contemplated that this novel compositions for meeting National Sustainable Development Strategies Structure centainly has wide application market and prospect.

Claims (6)

1. a kind of manufacture craft of high-elastic modulus fibre seif-citing rate regeneration concrete, which comprises the following steps:
Step 1, cement, high-elastic modulus fibre, miberal powder, silicon ash, rubber grain, high efficiency water reducing agent mix is uniform;
Step 2, concrete mixing water will be added in the mixture of step 1, cement slurry is produced in stirring;
Step 3, fine aggregate will be added in the cement slurry of step 2 and mix is uniform, produce cement mortar slurry;
Step 4, the coarse aggregate being made of natural coarse aggregate and regenerated coarse aggregate will be added in the cement mortar slurry of step 3 and mix It closes uniformly, produces high-elastic modulus fibre seif-citing rate regeneration concrete;
The high-elastic modulus fibre is steel fibre, carbon fiber, basalt fibre or glass fibre.
2. a kind of manufacture craft of above-mentioned high-elastic modulus fibre seif-citing rate regeneration concrete, which is characterized in that the regeneration coagulation The parts by weight that soil prepares feed components are as follows:
240~1200 parts of regenerated coarse aggregate;
0~840 part of natural coarse aggregate;
Natural 500~800 parts of fine aggregate;
650~850 parts of cement;
0~15 part of high efficiency water reducing agent;
150~280 parts of mixing water;
0~156 part of high-elastic modulus fibre;
0~180 part of miberal powder;
0~60 part of silicon ash;
0~46 part of rubber grain.
3. a kind of manufacture craft of high-elastic modulus fibre seif-citing rate regeneration concrete according to claim 1, which is characterized in that In the step 1, cement uses silicate self-stressing cement, aluminium sulfate self-stressing cement or aluminate self-stressing cement.
4. a kind of manufacture craft of high-elastic modulus fibre seif-citing rate regeneration concrete according to claim 1, which is characterized in that In the step 1, miberal powder is granulated blast-furnace miberal powder micro mist, and product hierarchy is S95 grades.
5. a kind of manufacture craft of high-elastic modulus fibre seif-citing rate regeneration concrete according to claim 1, which is characterized in that In the step 1, silicon ash is that specific surface area is 17900m2The level-one SILICA FUME of/kg.
6. a kind of manufacture craft of high-elastic modulus fibre seif-citing rate regeneration concrete according to claim 1, which is characterized in that In the step 1, rubber is formed by waste tire of automobile is broken, and partial size is 1~2mm, apparent density 1225kg/m3, accumulation Density is 617kg/m3
CN201811425828.6A 2018-11-27 2018-11-27 A kind of manufacture craft of high-elastic modulus fibre seif-citing rate regeneration concrete Pending CN109369121A (en)

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Application Number Priority Date Filing Date Title
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CN110282935A (en) * 2019-08-01 2019-09-27 西安新意达建筑制品有限公司 A kind of fiber reinforcement type concrete and preparation method thereof
CN110606714A (en) * 2019-09-24 2019-12-24 武汉科技大学 Anti-freezing concrete with glass fiber and modified rubber and preparation method thereof
CN111484282A (en) * 2020-03-13 2020-08-04 上海练定新材料科技有限公司 High-flow-state anti-crack concrete and preparation method thereof
CN113443862A (en) * 2021-07-01 2021-09-28 武汉科技大学 Basalt fiber rubber concrete mechanical property experimental method

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Cited By (5)

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Publication number Priority date Publication date Assignee Title
CN110282935A (en) * 2019-08-01 2019-09-27 西安新意达建筑制品有限公司 A kind of fiber reinforcement type concrete and preparation method thereof
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CN111484282A (en) * 2020-03-13 2020-08-04 上海练定新材料科技有限公司 High-flow-state anti-crack concrete and preparation method thereof
CN113443862A (en) * 2021-07-01 2021-09-28 武汉科技大学 Basalt fiber rubber concrete mechanical property experimental method

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