CN107500656B - A kind of proportion of porous concrete mixture method based on rubber cement characteristic - Google Patents

A kind of proportion of porous concrete mixture method based on rubber cement characteristic Download PDF

Info

Publication number
CN107500656B
CN107500656B CN201710849509.7A CN201710849509A CN107500656B CN 107500656 B CN107500656 B CN 107500656B CN 201710849509 A CN201710849509 A CN 201710849509A CN 107500656 B CN107500656 B CN 107500656B
Authority
CN
China
Prior art keywords
cement
pervious concrete
cement slurry
water
sample
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.)
Active
Application number
CN201710849509.7A
Other languages
Chinese (zh)
Other versions
CN107500656A (en
Inventor
陈潇
王杰
朱国瑞
周明凯
陈谦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan University of Technology WUT
Original Assignee
Wuhan University of Technology WUT
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuhan University of Technology WUT filed Critical Wuhan University of Technology WUT
Priority to CN201710849509.7A priority Critical patent/CN107500656B/en
Publication of CN107500656A publication Critical patent/CN107500656A/en
Application granted granted Critical
Publication of CN107500656B publication Critical patent/CN107500656B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • C04B28/006—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 mineral polymers, e.g. geopolymers of the Davidovits type
    • 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
    • C04B28/06—Aluminous cements
    • 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
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • 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
    • C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
    • C04B2111/00284—Materials permeable to liquids
    • 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
    • C04B2111/40—Porous or lightweight materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

The invention discloses a kind of proportion of porous concrete mixture methods based on rubber cement characteristic.Pass through the design matched to cement slurry in pervious concrete, control three rubber cement characteristics such as fluidity, viscosity and the adhesion strength of rubber cement, in conjunction with regular between rubber cement characteristic and pervious concrete mechanical property, water permeability, according to water permeability required for target pervious concrete and intensity index requirement, it determines fluidity required corresponding to rubber cement, viscosity and adhesion strength, and mix calculation is carried out with this.The present invention can be effectively reduced the difficulty and error of proportion of porous concrete mixture, and important theory significance and real value are rationally widely applied to pervious concrete.

Description

A kind of proportion of porous concrete mixture method based on rubber cement characteristic
Technical field
The invention belongs to construction material manufacture technology field more particularly to a kind of pervious concretes based on rubber cement characteristic Mixing proportion design method.
Background technique
The urban construction of modernization mostly uses fluid-tight paving, and which results in some areas urban waterlogging easily occurs And urban heat land effect, bring very big puzzlement to daily life, can even jeopardize under serious conditions economic asset and Personal safety.The construction in " sponge city " has purification of ground water resource, alleviation urban waterlogging, improvement urban heat land effect etc. aobvious The effect of work.And pervious concrete is the main material of " sponge city " paving, to the theory ten in realization " sponge city " Divide key.As a kind of novel ecology " cavernous body ", pervious concrete is mainly by coarse aggregate, cementitious material, water and additional The materials such as agent are through a kind of molding celluar concrete of specific agitating mode.It is free of fine aggregate, by coarse aggregate surface and cement slurry Body formation adhered to one another, therefore its internal porosity is bigger, there is good permeance property, purified water resource performance and noise reduction Performance etc..
Research in terms of in relation to pervious concrete alreadys exceed more than 50 years, especially more in the U.S. and Japanology.Thoroughly Water coagulation soil pores rate range is usually in 11% and 35%, permeability 0.2-1.2cm/s.However, high porosity also reduces The intensity of pervious concrete, its compression strength usually only 3.5-28MPa.It can be seen that pervious concrete performance inconsistency compared with Greatly, this is because the mechanical property of pervious concrete and water permeability are conflicting, excessive pursuit one of which performances Another performance certainly will be caused sharply to decline.So need to establish mix-design scheme appropriate, mechanical property with it is permeable Seek a kind of appropriate relation between performance, just can guarantee the pavement performance of pervious concrete.
The internal structure of pervious concrete is " point contact " model, i.e., with point contact mainly between particles of aggregates and particle And exist by way of the Binder Phase of rubber cement is mutually overlapped to form spatial network.Which dictates that pervious concrete mix component design Two main bodys of aggregate and rubber cement can be divided into carry out.Aggregate at present more generally use simple grain grade coarse aggregate, design compared with It is simple.And by economy in Practical Project, the factors such as geography influence, aggregate it is usually smaller for the range of selection.From glue From the point of view of the mechanism of action of slurry, the fluidity of rubber cement, viscosity determines that slurry is to the package status and sky gathered materials in pervious concrete The occupied state of gap, to control the area of rubber cement contact point in " point contact " model, degree of adhesion and each layer rubber cement package are equal Even degree influences pervious concrete water permeability and mechanical property.Between the adhesion strength of slurry determines that pervious concrete gathers materials The complexity that particle falls off mutually is overlapped, to influence pervious concrete mechanical property.Therefore, based on the permeable of rubber cement characteristic The mixing proportion design method of concrete can make pervious concrete while meet the water penetration and intensity index requirement of porous pavement, To guarantee that pervious concrete structure can reach scheduled design service performance in sponge city, with important academic meaning Justice and future in engineering applications.
Summary of the invention
It is insufficient that it is an object of that present invention to provide a kind of solution pervious concrete preparation techniques, while reducing pervious concrete The difficulty with practical application is prepared, a kind of proportion of porous concrete mixture method based on rubber cement characteristic is provided.This method By the fluidity of rubber cement in pervious concrete, viscosity and adhesion strength are regulated and controled, and are made pervious concrete while being met permeable Performance and intensity index requirement, allow pervious concrete structure to obtain science and reasonable application in the construction in sponge city.
In order to achieve the above objectives, as follows using technical solution:
A kind of proportion of porous concrete mixture method based on rubber cement characteristic, comprising the following steps:
1) water permeability and mechanical property required for target pervious concrete according to actual needs, are set；It is described permeable Performance is characterized using porosity and coefficient of permeability；The mechanical property is characterized using compression strength and flexural strength； The pervious concrete is made of coarse aggregate and cement slurry, and the aggregate uses simple grain grade coarse aggregate, the cement slurry packet Include cement, silicon ash, water-reducing agent, thickener and water；
2) it is several to prepare the cement slurry sample that fluidity is 80-200mm, pervious concrete sample is respectively prepared；Pass through To the characterization of gained pervious concrete sample water permeability and mechanical property, cement slurry fluidity and pervious concrete power are obtained Learn the relational graph of performance and water permeability；
3) it is several to prepare the cement slurry sample that viscosity is 10-70s, pervious concrete sample is respectively prepared；By to institute The characterization for obtaining pervious concrete sample water permeability and mechanical property, obtains cement slurry viscosity and pervious concrete mechanical property And the relational graph of water permeability；
4) it is several to prepare the cement slurry sample that adhesive strength is 06-2.0MPa, pervious concrete sample is respectively prepared；It is logical The characterization to gained pervious concrete sample mechanical property is crossed, cement slurry viscosity and pervious concrete Relationship between Mechanical are obtained Figure；
5) water permeability according to required for target pervious concrete and mechanical property requirements are divided with reference to above-mentioned relation figure Not Que Ding cement slurry fluidity, viscosity and adhesive strength parameter；
6) according to gained fluidity, viscosity and adhesive strength parameter, satisfactory cement slurry is prepared.
According to the above scheme, the aggregate is 2.36-4.75mm or 4.75-9.5mm or 9.5-13.2mm；Every side's dosage is 1300~1700kg/m3。
According to the above scheme, cement selection is portland cement, sulphate aluminium cement or alkali-activated carbonatite in the cement slurry Cement, every side's dosage is in 300-500kg/m3；The every side's dosage of silicon ash is in 1~100kg/m3；Water-reducing agent selects naphthalene system or polycarboxylate Class water-reducing agent, every side's dosage is in 1~5.0kg/m3；Thickener selects cellulose thickener or propylene class thickener, and every side uses Amount is in 0.1~0.8kg/m3；The ratio of mud is in 0.15-0.45.
According to the above scheme, the fluidity is the size of expanding area diameter after cement slurry sufficiently flows in the plane, It is characterized with slurry divergence；The viscosity is that cement slurry flow to divergence in the plane as the time needed for 130mm；Institute State the drawing adhesion strength that adhesion strength is 7d after cement slurry hardening.
According to the above scheme, by changing water-reducing agent and thickener when preparing the cement slurry sample that fluidity is 80-200mm Volume controlled.
According to the above scheme, by changing mixing for water-reducing agent and thickener when preparing the cement slurry sample that viscosity is 10-70s Amount is controlled.
According to the above scheme, by changing silicon ash to cement when preparing the cement slurry sample that adhesive strength is 06-2.0MPa Substitution amount and the ratio of mud controlled.
Compared with prior art, the method have the benefit that:
Pervious concrete produced by the invention is to be based on rubber cement fluidity, viscosity and adhesion strength mixing proportion design method, Reduce Various Complex factor in need of consideration in original mix-design, it is more intuitive easy in actual production to required Water permeability and intensity index require controlled.
The present invention can have more reasonable control raw material to use and easily operated, reduce practical application time and at This, important theory significance and real value are rationally widely applied to pervious concrete.
Detailed description of the invention
Fig. 1: relationship between the fluidity of cement slurry and the mechanical property of pervious concrete；
Fig. 2: relationship between the fluidity of cement slurry and the water permeability of pervious concrete；
Fig. 3: relationship between the viscosity of cement slurry and the mechanical property of pervious concrete；
Fig. 4: relationship between the viscosity of cement slurry and the water permeability of pervious concrete；
Fig. 5: relationship between the adhesion strength of cement slurry and the mechanical property of pervious concrete.
Specific embodiment
Following embodiment further illustrates technical solution of the present invention but not as limiting the scope of the invention.
The present invention is based on the proportion of porous concrete mixture method of rubber cement characteristic, process is as follows:
1) water permeability and mechanical property required for target pervious concrete according to actual needs, are set；It is described permeable Performance is characterized using porosity and coefficient of permeability；The mechanical property is characterized using compression strength and flexural strength； The pervious concrete is made of coarse aggregate and cement slurry, and the aggregate uses simple grain grade coarse aggregate, the cement slurry packet Include cement, silicon ash, water-reducing agent, thickener and water；Wherein, the aggregate is 2.36-4.75mm or 4.75-9.5mm or 9.5- 13.2mm；Every side's dosage is 1300~1700kg/m3.Cement selection is portland cement, sulphur aluminic acid in the cement slurry Salt cement or alkali-excited cement, every side's dosage is in 300-500kg/m3；The every side's dosage of silicon ash is in 1~100kg/m3；Water-reducing agent is selected Naphthalene system or polycarboxylic acid salt's water-reducing agent, every side's dosage is in 1~5.0kg/m3；Thickener selects cellulose thickener or propylene class Thickener, every side's dosage is in 0.1~0.8kg/m3；The ratio of mud is in 0.15-0.45.
Wherein, the pervious concrete compression strength and the characterization of flexural strength press GB/T50081-2011 " common coagulation Soil mechanics method for testing performance standard " regulation carry out；The characterization of the pervious concrete water permeability presses CCJJ/T135- The regulation of 2009 " water-permeable cement concrete pavement technique regulations " carries out；The characterization of the pervious concrete porosity presses DB11T- The regulation of 775-2010 " pervious concrete pavement technical regulation " carries out.
2) the cement slurry sample for being 80-200mm by the volume preparation fluidity for changing water-reducing agent and thickener is several, Pervious concrete sample is respectively prepared；As the characterization of pervious concrete sample water permeability and mechanical property to obtained by, obtain The relational graph of cement slurry fluidity and pervious concrete mechanical property and water permeability；
3) the cement slurry sample for being 10-70s by the volume preparation viscosity for changing water-reducing agent and thickener is several, respectively Pervious concrete sample is made；As the characterization of pervious concrete sample water permeability and mechanical property to obtained by, cement is obtained The relational graph of cement viscosity and pervious concrete mechanical property and water permeability；Referring to shown in attached Fig. 1 and 2.
4) cement slurry that adhesive strength is 06-2.0MPa is prepared to the substitution amount and the ratio of mud of cement by changing silicon ash Sample is several, and pervious concrete sample is respectively prepared；As the characterization of the pervious concrete sample mechanical property to obtained by, water is obtained Earth rubber slurry viscosity and pervious concrete Relationship between Mechanical figure；Referring to shown in attached drawing 3 and 4.
5) water permeability according to required for target pervious concrete and mechanical property requirements are divided with reference to above-mentioned relation figure Not Que Ding cement slurry fluidity, viscosity and adhesive strength parameter；Referring to shown in attached drawing 5.
6) according to gained fluidity, viscosity and adhesive strength parameter, satisfactory cement slurry is prepared.
Wherein, the fluidity is the size of expanding area diameter after cement slurry sufficiently flows in the plane, uses slurry Divergence characterization；The viscosity is that cement slurry flow to divergence in the plane as the time needed for 130mm；The bonding Intensity is the drawing adhesion strength of 7d after cement slurry hardening.
Embodiment 1
It is 7.5mm/s for preparation 28d coefficient of permeability, compression strength is the target pervious concrete of 20MPa, referring initially to Fig. 1- 5 rules, fluidity needed for determining rubber cement are 135mm, viscosity 42s, adhesion strength 1.7MPa.Needed for obtaining After rubber cement characteristic, the new cement of China of P.O.42.5 is selected, every side's dosage is 350kg/m3, the ratio of mud 0.23 selects silicon ash Specific surface area is 18000m2/ kg, every side's dosage are 21kg/m3, it is ensured that obtaining cement slurry adhesion strength is 1.7MPa；Water-reducing agent High-efficiency water-reducing agent of poly-carboxylic acid is selected, water-reducing rate is greater than 25%, and every side's dosage is 0.91kg/m3, thickener selection cellulose ether, often Square dosage is 0.07kg/m3, it is ensured that obtaining cement slurry fluidity is 135mm, viscosity 42s；Finally select 4.75-9.5mm Limestone gravel as simple grain grade coarse aggregate, accumulating porosity is 41.8%, and every side's dosage is 1500kg/m3。
Pervious concrete molding.Technique is mixed and stirred using conventional concrete, first by cement, Gui Hui ﹑ coarse aggregate premixing 60s, Add water and additive stirring 180s.Mixture is first divided 3 layers and is filled examination by molding mode using the forming method of upper pressure vibration Mould, and every layer plugs and pounds 25 times.Again on a vibration table, it will fill and pushed down above pervious concrete die trial with iron block covering, and vibrate Time 30s.Wherein for testing compression strength, the sample formation of porosity and coefficient of permeability is in the mould of 150 × 150 × 150mm In tool, for testing the sample formation of flexural strength in the mold of 150 × 150 × 600mm.After having formed, temperature is placed it in Degree demoulds afterwards for 24 hours for 20 ± 2 DEG C of indoor maintenance, then being placed in temperature is 20 ± 2 DEG C, is supported in the environment that relative humidity is 95% Protect 28d.It is 7.8mm/s, compression strength 22.7MPa that 28d pervious concrete performance actual test result, which is coefficient of permeability,.
Embodiment 2
It is 10mm/s for preparation 28d coefficient of permeability, compression strength is the target pervious concrete of 17MPa, referring initially to Fig. 1-5 The rule, fluidity needed for determining rubber cement are 160mm, viscosity 60s, adhesion strength 1.4MPa.Obtain required glue After starching characteristic, the new cement of China of P.O.42.5 is selected, every side's dosage is 330kg/m3, the ratio of mud 0.24 selects the ratio of silicon ash Surface area is 18000m2/ kg, every side's dosage are 15kg/m3, it is ensured that obtaining cement slurry adhesion strength is 1.4MPa；Water-reducing agent choosing With high-efficiency water-reducing agent of poly-carboxylic acid, water-reducing rate is greater than 25%, and every side's dosage is 0.5kg/m3, thickener selection carboxymethyl cellulose, Every side's dosage is 0.2kg/m3, it is ensured that obtaining cement slurry fluidity is 110mm, viscosity 60s；Finally select 4.75- For the basaltic broken stone of 9.5mm as simple grain grade coarse aggregate, accumulating porosity is 43.4%, and every side's dosage is 1650kg/m3。
Pervious concrete molding.Technique is mixed and stirred using conventional concrete, first by cement, Gui Hui ﹑ coarse aggregate premixing 60s, Add water and additive stirring 180s.Mixture is first divided 3 layers and is filled examination by molding mode using the forming method of upper pressure vibration Mould, and every layer plugs and pounds 25 times.Again on a vibration table, it will fill and pushed down above pervious concrete die trial with iron block covering, and vibrate Time 30s.Wherein for testing compression strength, the sample formation of porosity and coefficient of permeability is in the mould of 150 × 150 × 150mm In tool, for testing the sample formation of flexural strength in the mold of 150 × 150 × 600mm.After having formed, temperature is placed it in Degree demoulds afterwards for 24 hours for 20 ± 2 DEG C of indoor maintenance, then being placed in temperature is 20 ± 2 DEG C, is supported in the environment that relative humidity is 95% Protect 28d.It is 9.7mm/s, compression strength 17.6MPa that 28d pervious concrete performance actual test result, which is coefficient of permeability,.
Embodiment 3
It is 4mm/s for preparation 28d coefficient of permeability, compression strength is the target pervious concrete of 21MPa, referring initially to Fig. 1-5 The rule, fluidity needed for determining rubber cement are 110mm, viscosity 28s, adhesion strength 1.8MPa.Obtain required glue After starching characteristic, the new cement of China of P.O.42.5 is selected, every side's dosage is 370kg/m3, the ratio of mud 0.23 selects the ratio of silicon ash Surface area is 20000m2/ kg, every side's dosage are 25kg/m3, it is ensured that obtaining cement slurry adhesion strength is 1.8MPa；Water-reducing agent choosing With naphthalene series high-efficiency water-reducing agent, water-reducing rate is greater than 20%, and every side's dosage is 1.4kg/m3, thickener selection cellulose ether, every side's use Amount is 0.15kg/m3, it is ensured that obtaining cement slurry fluidity is 110mm, viscosity 28s；Finally select 2.36-4.75mm's For basaltic broken stone as simple grain grade coarse aggregate, accumulating porosity is 38.7%, and every side's dosage is 1550kg/m3。
Pervious concrete molding.Technique is mixed and stirred using conventional concrete, first by cement, Gui Hui ﹑ coarse aggregate premixing 60s, Add water and additive stirring 180s.Mixture is first divided 3 layers and is filled examination by molding mode using the forming method of upper pressure vibration Mould, and every layer plugs and pounds 25 times.Again on a vibration table, it will fill and pushed down above pervious concrete die trial with iron block covering, and vibrate Time 30s.Wherein for testing compression strength, the sample formation of porosity and coefficient of permeability is in the mould of 150 × 150 × 150mm In tool, for testing the sample formation of flexural strength in the mold of 150 × 150 × 600mm.After having formed, temperature is placed it in Degree demoulds afterwards for 24 hours for 20 ± 2 DEG C of indoor maintenance, then being placed in temperature is 20 ± 2 DEG C, is supported in the environment that relative humidity is 95% Protect 28d.It is 3.8mm/s, compression strength 22.4MPa that 28d pervious concrete performance actual test result, which is coefficient of permeability,.

Claims (6)

1. a kind of proportion of porous concrete mixture method based on rubber cement characteristic, it is characterised in that the following steps are included:
1) water permeability and mechanical property required for target pervious concrete according to actual needs, are set；The water permeability It is characterized using porosity and coefficient of permeability；The mechanical property is characterized using compression strength and flexural strength；It is described Pervious concrete is made of coarse aggregate and cement slurry, and the aggregate uses simple grain grade coarse aggregate, and the cement slurry includes water Mud, silicon ash, water-reducing agent, thickener and water；
2) it is several to prepare the cement slurry sample that fluidity is 80-200mm, pervious concrete sample is respectively prepared；By to institute The characterization for obtaining pervious concrete sample water permeability and mechanical property, obtains cement slurry fluidity and pervious concrete mechanical property The relational graph of energy and water permeability；The fluidity is the big of expanding area diameter after cement slurry sufficiently flows in the plane It is small, it is characterized with slurry divergence；
3) it is several to prepare the cement slurry sample that viscosity is 10-70s, pervious concrete sample is respectively prepared；As saturating to obtained by The characterization of water coagulation soil sample water permeability and mechanical property, obtain cement slurry viscosity and pervious concrete mechanical property and The relational graph of water permeability；The viscosity is that cement slurry flow to divergence in the plane as the time needed for 130mm；
4) it is several to prepare the cement slurry sample that adhesion strength is 0.6-2.0MPa, pervious concrete sample is respectively prepared；Pass through To the characterization of gained pervious concrete sample mechanical property, cement slurry viscosity and pervious concrete Relationship between Mechanical are obtained Figure；The adhesion strength is the drawing adhesion strength of 7d after cement slurry hardening；
5) water permeability according to required for target pervious concrete and mechanical property requirements, it is true respectively with reference to above-mentioned relation figure Determine fluidity, viscosity and the adhesion strength parameter of cement slurry；
6) according to gained fluidity, viscosity and adhesion strength parameter, satisfactory cement slurry is prepared.
2. as described in claim 1 based on the proportion of porous concrete mixture method of rubber cement characteristic, it is characterised in that the bone Material is 2.36-4.75mm or 4.75-9.5mm or 9.5-13.2mm；Every side's dosage is 1300~1700kg/m3。
3. as described in claim 1 based on the proportion of porous concrete mixture method of rubber cement characteristic, it is characterised in that the water Cement selection is portland cement, sulphate aluminium cement or alkali-excited cement in earth rubber slurry, and every side's dosage is in 300-500kg/ m3；The every side's dosage of silicon ash is in 1~100kg/m3；Water-reducing agent selects naphthalene system or polycarboxylic acid salt's water-reducing agent, every side's dosage 1~ 5.0kg/m3；Thickener selects cellulose thickener or propylene class thickener, and every side's dosage is in 0.1~0.8kg/m3；The ratio of mud In 0.15-0.45.
4. as described in claim 1 based on the proportion of porous concrete mixture method of rubber cement characteristic, it is characterised in that prepare stream It is controlled when dynamic degree is the cement slurry sample of 80-200mm by changing the volume of water-reducing agent and thickener.
5. as described in claim 1 based on the proportion of porous concrete mixture method of rubber cement characteristic, it is characterised in that prepare viscous It is controlled when degree is the cement slurry sample of 10-70s by changing the volume of water-reducing agent and thickener.
6. as described in claim 1 based on the proportion of porous concrete mixture method of rubber cement characteristic, it is characterised in that prepare viscous The substitution amount and the ratio of mud of cement are controlled by changing silicon ash when knotting strength is the cement slurry sample of 0.6-2.0MPa.
CN201710849509.7A 2017-09-20 2017-09-20 A kind of proportion of porous concrete mixture method based on rubber cement characteristic Active CN107500656B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710849509.7A CN107500656B (en) 2017-09-20 2017-09-20 A kind of proportion of porous concrete mixture method based on rubber cement characteristic

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710849509.7A CN107500656B (en) 2017-09-20 2017-09-20 A kind of proportion of porous concrete mixture method based on rubber cement characteristic

Publications (2)

Publication Number Publication Date
CN107500656A CN107500656A (en) 2017-12-22
CN107500656B true CN107500656B (en) 2019-08-27

Family

ID=60698015

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710849509.7A Active CN107500656B (en) 2017-09-20 2017-09-20 A kind of proportion of porous concrete mixture method based on rubber cement characteristic

Country Status (1)

Country Link
CN (1) CN107500656B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108455944B (en) * 2018-04-20 2019-03-15 南京兴佑交通科技有限公司 A kind of colorful water-permeable concrete for exempting from maintenance
CN109305781B (en) * 2018-09-13 2020-02-18 华南理工大学 High-strength and high-permeability concrete mix proportion design method based on framework structure
CN109336501A (en) * 2018-10-25 2019-02-15 山西省交通科学研究院 A kind of proportion of porous concrete mixture method based on serous coat thickness
CN111116136A (en) * 2019-12-30 2020-05-08 宁波大学 Pervious concrete mix proportion design method based on optimal volume slurry-to-bone ratio
CN112115409B (en) * 2020-09-04 2022-05-13 广东工业大学 High-strength high-permeability concrete mix proportion design method based on aggregate characteristics

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104030640B (en) * 2014-06-25 2015-11-25 扬州大学 A kind of regeneration aggregate permeable concrete and preparation method thereof
US20160289121A1 (en) * 2015-04-06 2016-10-06 John Andrew Coleman High strength concrete composition and method
CN106227976B (en) * 2016-08-04 2019-06-07 山东交通学院 A kind of laboratory mixing proportion design method of permeable regenerated aggregate concrete
CN106630814A (en) * 2016-09-24 2017-05-10 王昱海 Method for preparing pervious concrete and matching ratio of pervious concrete
CN106874692B (en) * 2017-03-14 2019-03-01 重庆大学 Celluar concrete mixing proportion design method
CN106985277B (en) * 2017-04-29 2019-04-02 吉林建筑大学 A kind of accurate preparation method of celluar concrete prefabricated components

Also Published As

Publication number Publication date
CN107500656A (en) 2017-12-22

Similar Documents

Publication Publication Date Title
CN107500656B (en) A kind of proportion of porous concrete mixture method based on rubber cement characteristic
CN111233395B (en) High-strength pervious concrete and preparation method thereof
CN102503201B (en) Pre-coated sand, preparation method thereof and composite water permeable brick
CN106242428B (en) A kind of sludge ceramsite water-permeable brick and preparation method thereof
CN107226643A (en) Regenerative pervious concrete material that a kind of full constituent is prepared using building waste and preparation method thereof
CN106830834A (en) Cement polymer base high-performance concrete permeable pavior brick and its manufacture method
CN105366969B (en) One kind regeneration self-hardening property cementitious material and preparation method thereof
CN104119056B (en) Road paving material prepared from phosphogypsum composite residues and preparation method thereof
CN107365164B (en) Fine powder waste residue water-permeable sintered pavement brick and preparation method thereof
CN103265254A (en) Cement-based composite material used for engineering emergency maintenance, and preparation method and use method thereof
CN104193284B (en) A kind of storage-type industrial residue regeneration square brick and preparation method thereof
CN112777989B (en) Environment-friendly road pervious concrete and preparation method and application thereof
CN108774041A (en) A kind of water-permeable brick and preparation method thereof for making aggregate with artificial carbonization slag bead
CN114163204B (en) Sand-free gypsum-based self-leveling mortar and preparation method thereof
CN108191321B (en) Preparation method of pervious concrete
CN105384403A (en) Composite floor tiles having good stain resistance capacity
CN107117909A (en) It is a kind of mixed with RPC of flyash and preparation method thereof
CN106518149B (en) A kind of method of oil shale semi-coke and iron tailing sintered water-permeable brick
CN105347732A (en) Antifreeze durable resin and concrete composite water-permeable floor tile
CN108751817A (en) A kind of building waste base glue for tile and its application method
CN106746800A (en) A kind of Binder Materials and the pervious concrete comprising Binder Materials
CN108675719A (en) A kind of water-permeable brick and its preparation process of the infiltration of high intensity height
CN103922686B (en) A kind of ardealite waste plastics slag materials for wall and preparation method
CN106746683A (en) Glass pumice water-permeable brick and preparation method thereof
CN110981307A (en) Regenerated pervious concrete and preparation method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant