CN105859225B - A kind of high pervious concrete based on rice hull ash - Google Patents
A kind of high pervious concrete based on rice hull ash Download PDFInfo
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- CN105859225B CN105859225B CN201610322853.6A CN201610322853A CN105859225B CN 105859225 B CN105859225 B CN 105859225B CN 201610322853 A CN201610322853 A CN 201610322853A CN 105859225 B CN105859225 B CN 105859225B
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- 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
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Chemical Kinetics & Catalysis (AREA)
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- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of high pervious concrete based on rice hull ash, it is prepared by the raw material of following parts by weight：Cement, 312~314 parts；Rice hull ash, 26~28 parts；Aggregate I, 1394~1396 parts；Aggregate II, 104~106 parts；Plasticizer, 2~4 parts；Water, 111~113 parts；Also include additional dose, additional dose of addition volume is the 0.2~0.4% of volume of concrete.Concrete of the present invention can either keep concrete strength, have high permeability rate again, and this property is relevant with the addition of rice hull ash, and the addition control of rice hull ash only can be played into above-mentioned technique effect within the scope of the present invention.In terms of existing technologies, concrete of the invention has prominent substantive distinguishing features and significant progress.
Description
Technical field
The present invention relates to construction material, and in particular to a kind of high pervious concrete based on rice hull ash.
Background technology
Rice hull ash is rich in silica (SiO2), after being mixed concrete, the SiO of high activity2Can quickly with hydrated cementitious
The calcium hydroxide of formation, which reacts, produces low calcium hydrated calcium silicate gel, so that concrete density strengthens, intensity increase, splits
Splitting the performances such as tensile strength, adhesion strength, axial tensile strength, antirust can significantly improve and improve, and extensively should at present
For in large-scale modern building and expressway construction.
Research to rice hull ash cement concrete is concentrated mainly on building material field, and it is mixed that goal in research essentially consists in raising
Coagulate intensity and compactness of soil etc..Such as a kind of high-strength concrete mixed with low-temperature rice husk ash, it is formed mainly by ordinary silicon
Acid salt cement, low-temperature rice husk ash, slag powders, flyash, rubble, river sand, water and water reducer composition (patent publication No.：
CN102643060A).For another example one kind prepares low-cementitious material self-compacting concrete using rice hull ash as interior sealing compound, its component bag
Include：Portland cement；Rice hull ash；Slag micropowder；Modified polycarboxylic acid water reducer and packing material (patent publication No.：
CN104761212A).The research configured to rice hull ash concrete rarely has the research on highly-permeable concrete.Water penetration coagulation
Soil is mainly used in porous pavement construction material, and existing pervious concrete material result in its intensity because its space is larger
And durability is relatively low.How to be the current field improving the high permeability rate of concrete on the premise of proof strength and durability
It is badly in need of the key issue solved.
The content of the invention
It is an object of the invention to provide a kind of high pervious concrete based on rice hull ash, in proof strength and durability
Under the premise of improve concrete permeability rate.
The above-mentioned purpose of the present invention is achieved by following technical scheme：
A kind of high pervious concrete based on rice hull ash, is prepared by the raw material of following parts by weight：Cement, 312~
314 parts；Rice hull ash, 26~28 parts；Aggregate I, 1394~1396 parts；Aggregate II, 104~106 parts；Plasticizer, 2~4 parts；Water,
111~113 parts；Also include additional dose, additional dose of addition volume is the 0.2~0.4% of volume of concrete.
Further, described concrete is prepared by the raw material of following parts by weight：Cement, 313 parts；Rice hull ash,
27 parts；Aggregate I, 1395 parts；Aggregate II, 105 parts；Plasticizer, 3 parts；Water, 112 parts；Also include additional dose, additional dose of addition
Volume is the 0.3% of volume of concrete.
Further, the preparation method of the rice hull ash is：By rice husk, calcination 11~13 is small under the conditions of 500~700 DEG C
When, taken out after cooling standby.
Further, the rice hull ash contains the composition of following weight percentage：SiO2, 88.5%；Al2O3,
0.31%；Fe2O3, 0.14%；MgO, 0.36%；CaO, 1.25%；Na2O, 1.15%；K2O, 2.13%；Rice husk gray density is about
For 2.1kg/m3, specific surface area is about 370m2/kg。
Further, the aggregate I is sandstone, its D10, D50, D60 and impartial coefficient be respectively 0.31mm, 0.7mm,
1.0mm and 3.2.
Further, the aggregate II is blinding, its D10, D50, D60 and impartial coefficient be respectively 7.6mm,
10.2mm, 11mm and 1.4.
Further, the cement is 32.5 grade composite silicate cement.
Further, the plasticizer is saturated carboxylic acid ester.
Further, proportion of the saturated carboxylic acid ester under 25 DEG C of temperature conditionss is 1.05~1.08.
Further, described additional dose is polyphenylene sulfide.
Advantages of the present invention：
Concrete provided by the invention can either keep the intensity and durability of concrete, and and can enough has high permeability rate,
Solves the field urgent problem.This property of concrete of the present invention is relevant with the addition of rice hull ash, only will
The addition control of rice hull ash can play above-mentioned technique effect within the scope of the present invention.Relative to prior art
Speech, concrete of the invention are progressive with prominent substantive distinguishing features and significantly.
Embodiment
The essentiality content of the present invention is further illustrated with reference to embodiment, but present invention protection model is not limited with this
Enclose.Although being explained in detail with reference to preferred embodiment to the present invention, it will be understood by those within the art that, can be right
Technical scheme is modified or equivalent substitution, without departing from the spirit and scope of technical solution of the present invention.
Embodiment 1：High pervious concrete based on rice hull ash
Cement, 313 parts；Rice hull ash, 27 parts；Aggregate I, 1395 parts；Aggregate II, 105 parts；Plasticizer, 3 parts；Water, 112 parts；
Also include additional dose, additional dose of addition volume is the 0.3% of volume of concrete.
The preparation method of rice hull ash is：By rice husk under the conditions of 600 DEG C calcination 12 hours, taken out after cooling standby.Rice husk
Gray density is about 2.1kg/m3, specific surface area is about 370m2/kg.Composition containing following weight percentage：SiO2,
88.5%；Al2O3, 0.31%；Fe2O3, 0.14%；MgO, 0.36%；CaO, 1.25%；Na2O, 1.15%；K2O, 2.13%.
Aggregate I is sandstone, and its D10, D50, D60 and impartial coefficient are respectively 0.31mm, 0.7mm, 1.0mm and 3.2；Aggregate
II is blinding, and its D10, D50, D60 and impartial coefficient are respectively 7.6mm, 10.2mm, 11mm and 1.4.
Cement uses 32.5 grade composite silicate cement of Anhui Conch Cement Co., Ltd production.
Plasticizer is saturated carboxylic acid ester, proportion (25 DEG C) between 1.05~1.08.
Additional dose is polyphenylene sulfide, and about 50mm length, 0.1mm is thick, and density is about 0.9g/cm3。
The preparation method of high pervious concrete：Match more than, first proportionally mix cement, rice hull ash, water
And stir, then simultaneously action of forced stirring 10 minutes such as aggregate and plasticizer are poured into, to ensure that rice hull ash is equal in aggregate surface attachment
It is even.Then use to smash to insert using 200mm × 100mm × 100mm mould and hit real method making shaping.On 20 DEG C of left sides after shaping
Overlay film conserves 28 days under right environment.
Embodiment 2：High pervious concrete based on rice hull ash
Cement, 312 parts；Rice hull ash, 26 parts；Aggregate I, 1394 parts；Aggregate II, 104 parts；Plasticizer, 2 parts；Water, 111 parts；
Also include additional dose, additional dose of addition volume is the 0.2% of volume of concrete.
The preparation method of rice hull ash is：By rice husk under the conditions of 600 DEG C calcination 12 hours, taken out after cooling standby.Rice husk
Gray density is about 2.1kg/m3, specific surface area is about 370m2/kg.Composition containing following weight percentage：SiO2,
88.5%；Al2O3, 0.31%；Fe2O3, 0.14%；MgO, 0.36%；CaO, 1.25%；Na2O, 1.15%；K2O, 2.13%.
Aggregate I is sandstone, and its D10, D50, D60 and impartial coefficient are respectively 0.31mm, 0.7mm, 1.0mm and 3.2；Aggregate
II is blinding, and its D10, D50, D60 and impartial coefficient are respectively 7.6mm, 10.2mm, 11mm and 1.4.
Cement uses 32.5 grade composite silicate cement of Anhui Conch Cement Co., Ltd production.
Plasticizer is saturated carboxylic acid ester, proportion (25 DEG C) between 1.05~1.08.
Additional dose is polyphenylene sulfide, and about 50mm length, 0.1mm is thick, and density is about 0.9g/cm3。
The preparation method of high pervious concrete：Match more than, first proportionally mix cement, rice hull ash, water
And stir, then simultaneously action of forced stirring 10 minutes such as aggregate and plasticizer are poured into, to ensure that rice hull ash is equal in aggregate surface attachment
It is even.Then use to smash to insert using 200mm × 100mm × 100mm mould and hit real method making shaping.On 20 DEG C of left sides after shaping
Overlay film conserves 28 days under right environment.
Embodiment 3：High pervious concrete based on rice hull ash
Cement, 314 parts；Rice hull ash, 28 parts；Aggregate I, 1396 parts；Aggregate II, 106 parts；Plasticizer, 4 parts；Water, 113 parts；
Also include additional dose, additional dose of addition volume is the 0.4% of volume of concrete.
The preparation method of rice hull ash is：By rice husk under the conditions of 600 DEG C calcination 12 hours, taken out after cooling standby.Rice husk
Gray density is about 2.1kg/m3, specific surface area is about 370m2/kg.Composition containing following weight percentage：SiO2,
88.5%；Al2O3, 0.31%；Fe2O3, 0.14%；MgO, 0.36%；CaO, 1.25%；Na2O, 1.15%；K2O, 2.13%.
Aggregate I is sandstone, and its D10, D50, D60 and impartial coefficient are respectively 0.31mm, 0.7mm, 1.0mm and 3.2；Aggregate
II is blinding, and its D10, D50, D60 and impartial coefficient are respectively 7.6mm, 10.2mm, 11mm and 1.4.
Cement uses 32.5 grade composite silicate cement of Anhui Conch Cement Co., Ltd production.
Plasticizer is saturated carboxylic acid ester, proportion (25 DEG C) between 1.05~1.08.
Additional dose is polyphenylene sulfide, and about 50mm length, 0.1mm is thick, and density is about 0.9g/cm3。
The preparation method of high pervious concrete：Match more than, first proportionally mix cement, rice hull ash, water
And stir, then simultaneously action of forced stirring 10 minutes such as aggregate and plasticizer are poured into, to ensure that rice hull ash is equal in aggregate surface attachment
It is even.Then use to smash to insert using 200mm × 100mm × 100mm mould and hit real method making shaping.On 20 DEG C of left sides after shaping
Overlay film conserves 28 days under right environment.
Embodiment 4：High pervious concrete based on rice hull ash
Cement, 313 parts；Rice hull ash, 26 parts；Aggregate I, 1395 parts；Aggregate II, 105 parts；Plasticizer, 3 parts；Water, 112 parts；
Also include additional dose, additional dose of addition volume is the 0.3% of volume of concrete.
The preparation method of rice hull ash is：By rice husk under the conditions of 600 DEG C calcination 12 hours, taken out after cooling standby.Rice husk
Gray density is about 2.1kg/m3, specific surface area is about 370m2/kg.Composition containing following weight percentage：SiO2,
88.5%；Al2O3, 0.31%；Fe2O3, 0.14%；MgO, 0.36%；CaO, 1.25%；Na2O, 1.15%；K2O, 2.13%.
Aggregate I is sandstone, and its D10, D50, D60 and impartial coefficient are respectively 0.31mm, 0.7mm, 1.0mm and 3.2；Aggregate
II is blinding, and its D10, D50, D60 and impartial coefficient are respectively 7.6mm, 10.2mm, 11mm and 1.4.
Cement uses 32.5 grade composite silicate cement of Anhui Conch Cement Co., Ltd production.
Plasticizer is saturated carboxylic acid ester, proportion (25 DEG C) between 1.05~1.08.
Additional dose is polyphenylene sulfide, and about 50mm length, 0.1mm is thick, and density is about 0.9g/cm3。
The preparation method of high pervious concrete：Match more than, first proportionally mix cement, rice hull ash, water
And stir, then simultaneously action of forced stirring 10 minutes such as aggregate and plasticizer are poured into, to ensure that rice hull ash is equal in aggregate surface attachment
It is even.Then use to smash to insert using 200mm × 100mm × 100mm mould and hit real method making shaping.On 20 DEG C of left sides after shaping
Overlay film conserves 28 days under right environment.
Embodiment 5：High pervious concrete based on rice hull ash
Cement, 313 parts；Rice hull ash, 28 parts；Aggregate I, 1395 parts；Aggregate II, 105 parts；Plasticizer, 3 parts；Water, 112 parts；
Also include additional dose, additional dose of addition volume is the 0.3% of volume of concrete.
The preparation method of rice hull ash is：By rice husk under the conditions of 600 DEG C calcination 12 hours, taken out after cooling standby.Rice husk
Gray density is about 2.1kg/m3, specific surface area is about 370m2/kg.Composition containing following weight percentage：SiO2,
88.5%；Al2O3, 0.31%；Fe2O3, 0.14%；MgO, 0.36%；CaO, 1.25%；Na2O, 1.15%；K2O, 2.13%.
Aggregate I is sandstone, and its D10, D50, D60 and impartial coefficient are respectively 0.31mm, 0.7mm, 1.0mm and 3.2；Aggregate
II is blinding, and its D10, D50, D60 and impartial coefficient are respectively 7.6mm, 10.2mm, 11mm and 1.4.
Cement uses 32.5 grade composite silicate cement of Anhui Conch Cement Co., Ltd production.
Plasticizer is saturated carboxylic acid ester, proportion (25 DEG C) between 1.05~1.08.
Additional dose is polyphenylene sulfide, and about 50mm length, 0.1mm is thick, and density is about 0.9g/cm3。
The preparation method of high pervious concrete：Match more than, first proportionally mix cement, rice hull ash, water
And stir, then simultaneously action of forced stirring 10 minutes such as aggregate and plasticizer are poured into, to ensure that rice hull ash is equal in aggregate surface attachment
It is even.Then use to smash to insert using 200mm × 100mm × 100mm mould and hit real method making shaping.On 20 DEG C of left sides after shaping
Overlay film conserves 28 days under right environment.
Embodiment 6：Comparative example, rice hull ash parts by weight are 25 parts
Cement, 313 parts；Rice hull ash, 25 parts；Aggregate I, 1395 parts；Aggregate II, 105 parts；Plasticizer, 3 parts；Water, 112 parts；
Also include additional dose, additional dose of addition volume is the 0.3% of volume of concrete.
The preparation method of rice hull ash is：By rice husk under the conditions of 600 DEG C calcination 12 hours, taken out after cooling standby.Rice husk
Gray density is about 2.1kg/m3, specific surface area is about 370m2/kg.Composition containing following weight percentage：SiO2,
88.5%；Al2O3, 0.31%；Fe2O3, 0.14%；MgO, 0.36%；CaO, 1.25%；Na2O, 1.15%；K2O, 2.13%.
Aggregate I is sandstone, and its D10, D50, D60 and impartial coefficient are respectively 0.31mm, 0.7mm, 1.0mm and 3.2；Aggregate
II is blinding, and its D10, D50, D60 and impartial coefficient are respectively 7.6mm, 10.2mm, 11mm and 1.4.
Cement uses 32.5 grade composite silicate cement of Anhui Conch Cement Co., Ltd production.
Plasticizer is saturated carboxylic acid ester, proportion (25 DEG C) between 1.05~1.08.
Additional dose is polyphenylene sulfide, and about 50mm length, 0.1mm is thick, and density is about 0.9g/cm3。
Embodiment 7：Comparative example, rice hull ash parts by weight are 29 parts
Cement, 313 parts；Rice hull ash, 29 parts；Aggregate I, 1395 parts；Aggregate II, 105 parts；Plasticizer, 3 parts；Water, 112 parts；
Also include additional dose, additional dose of addition volume is the 0.3% of volume of concrete.
The preparation method of rice hull ash is：By rice husk under the conditions of 600 DEG C calcination 12 hours, taken out after cooling standby.Rice husk
Gray density is about 2.1kg/m3, specific surface area is about 370m2/kg.Composition containing following weight percentage：SiO2,
88.5%；Al2O3, 0.31%；Fe2O3, 0.14%；MgO, 0.36%；CaO, 1.25%；Na2O, 1.15%；K2O, 2.13%.
Aggregate I is sandstone, and its D10, D50, D60 and impartial coefficient are respectively 0.31mm, 0.7mm, 1.0mm and 3.2；Aggregate
II is blinding, and its D10, D50, D60 and impartial coefficient are respectively 7.6mm, 10.2mm, 11mm and 1.4.
Cement uses 32.5 grade composite silicate cement of Anhui Conch Cement Co., Ltd production.
Plasticizer is saturated carboxylic acid ester, proportion (25 DEG C) between 1.05~1.08.
Additional dose is polyphenylene sulfide, and about 50mm length, 0.1mm is thick, and density is about 0.9g/cm3。
Embodiment 8：Comparative example, rice hull ash parts by weight are 24 parts
Cement, 313 parts；Rice hull ash, 24 parts；Aggregate I, 1395 parts；Aggregate II, 105 parts；Plasticizer, 3 parts；Water, 112 parts；
Also include additional dose, additional dose of addition volume is the 0.3% of volume of concrete.
The preparation method of rice hull ash is：By rice husk under the conditions of 600 DEG C calcination 12 hours, taken out after cooling standby.Rice husk
Gray density is about 2.1kg/m3, specific surface area is about 370m2/kg.Composition containing following weight percentage：SiO2,
88.5%；Al2O3, 0.31%；Fe2O3, 0.14%；MgO, 0.36%；CaO, 1.25%；Na2O, 1.15%；K2O, 2.13%.
Aggregate I is sandstone, and its D10, D50, D60 and impartial coefficient are respectively 0.31mm, 0.7mm, 1.0mm and 3.2；Aggregate
II is blinding, and its D10, D50, D60 and impartial coefficient are respectively 7.6mm, 10.2mm, 11mm and 1.4.
Cement uses 32.5 grade composite silicate cement of Anhui Conch Cement Co., Ltd production.
Plasticizer is saturated carboxylic acid ester, proportion (25 DEG C) between 1.05~1.08.
Additional dose is polyphenylene sulfide, and about 50mm length, 0.1mm is thick, and density is about 0.9g/cm3。
Embodiment 9：Comparative example, rice hull ash parts by weight are 30 parts
Cement, 313 parts；Rice hull ash, 30 parts；Aggregate I, 1395 parts；Aggregate II, 105 parts；Plasticizer, 3 parts；Water, 112 parts；
Also include additional dose, additional dose of addition volume is the 0.3% of volume of concrete.
The preparation method of rice hull ash is：By rice husk under the conditions of 600 DEG C calcination 12 hours, taken out after cooling standby.Rice husk
Gray density is about 2.1kg/m3, specific surface area is about 370m2/kg.Composition containing following weight percentage：SiO2,
88.5%；Al2O3, 0.31%；Fe2O3, 0.14%；MgO, 0.36%；CaO, 1.25%；Na2O, 1.15%；K2O, 2.13%.
Aggregate I is sandstone, and its D10, D50, D60 and impartial coefficient are respectively 0.31mm, 0.7mm, 1.0mm and 3.2；Aggregate
II is blinding, and its D10, D50, D60 and impartial coefficient are respectively 7.6mm, 10.2mm, 11mm and 1.4.
Cement uses 32.5 grade composite silicate cement of Anhui Conch Cement Co., Ltd production.
Plasticizer is saturated carboxylic acid ester, proportion (25 DEG C) between 1.05~1.08.
Additional dose is polyphenylene sulfide, and about 50mm length, 0.1mm is thick, and density is about 0.9g/cm3。
Embodiment 10：Comparative example, rice hull ash parts by weight are 23 parts
Cement, 313 parts；Rice hull ash, 23 parts；Aggregate I, 1395 parts；Aggregate II, 105 parts；Plasticizer, 3 parts；Water, 112 parts；
Also include additional dose, additional dose of addition volume is the 0.3% of volume of concrete.
The preparation method of rice hull ash is：By rice husk under the conditions of 600 DEG C calcination 12 hours, taken out after cooling standby.Rice husk
Gray density is about 2.1kg/m3, specific surface area is about 370m2/kg.Composition containing following weight percentage：SiO2,
88.5%；Al2O3, 0.31%；Fe2O3, 0.14%；MgO, 0.36%；CaO, 1.25%；Na2O, 1.15%；K2O, 2.13%.
Aggregate I is sandstone, and its D10, D50, D60 and impartial coefficient are respectively 0.31mm, 0.7mm, 1.0mm and 3.2；Aggregate
II is blinding, and its D10, D50, D60 and impartial coefficient are respectively 7.6mm, 10.2mm, 11mm and 1.4.
Cement uses 32.5 grade composite silicate cement of Anhui Conch Cement Co., Ltd production.
Plasticizer is saturated carboxylic acid ester, proportion (25 DEG C) between 1.05~1.08.
Additional dose is polyphenylene sulfide, and about 50mm length, 0.1mm is thick, and density is about 0.9g/cm3。
Embodiment 11：Comparative example, rice hull ash parts by weight are 31 parts
Cement, 313 parts；Rice hull ash, 31 parts；Aggregate I, 1395 parts；Aggregate II, 105 parts；Plasticizer, 3 parts；Water, 112 parts；
Also include additional dose, additional dose of addition volume is the 0.3% of volume of concrete.
The preparation method of rice hull ash is：By rice husk under the conditions of 600 DEG C calcination 12 hours, taken out after cooling standby.Rice husk
Gray density is about 2.1kg/m3, specific surface area is about 370m2/kg.Composition containing following weight percentage：SiO2,
88.5%；Al2O3, 0.31%；Fe2O3, 0.14%；MgO, 0.36%；CaO, 1.25%；Na2O, 1.15%；K2O, 2.13%.
Aggregate I is sandstone, and its D10, D50, D60 and impartial coefficient are respectively 0.31mm, 0.7mm, 1.0mm and 3.2；Aggregate
II is blinding, and its D10, D50, D60 and impartial coefficient are respectively 7.6mm, 10.2mm, 11mm and 1.4.
Cement uses 32.5 grade composite silicate cement of Anhui Conch Cement Co., Ltd production.
Plasticizer is saturated carboxylic acid ester, proportion (25 DEG C) between 1.05~1.08.
Additional dose is polyphenylene sulfide, and about 50mm length, 0.1mm is thick, and density is about 0.9g/cm3。
Embodiment 12：Comparative example, do not add rice hull ash
Cement, 313 parts；Aggregate I, 1395 parts；Aggregate II, 105 parts；Plasticizer, 3 parts；Water, 112 parts；Also include additional
Agent, additional dose of addition volume are the 0.3% of volume of concrete.
Aggregate I is sandstone, and its D10, D50, D60 and impartial coefficient are respectively 0.31mm, 0.7mm, 1.0mm and 3.2；Aggregate
II is blinding, and its D10, D50, D60 and impartial coefficient are respectively 7.6mm, 10.2mm, 11mm and 1.4.
Cement uses 32.5 grade composite silicate cement of Anhui Conch Cement Co., Ltd production.
Plasticizer is saturated carboxylic acid ester, proportion (25 DEG C) between 1.05~1.08.
Additional dose is polyphenylene sulfide, and about 50mm length, 0.1mm is thick, and density is about 0.9g/cm3。
Embodiment 13：Effect example
Concrete is conventionally prepared according to the raw material proportioning of embodiment 1~11 respectively, tests different embodiment systems
For the permeability rate (%) and compression strength (MPa) of the concrete gone out.Test result see the table below.
| Sample | Rice hull ash parts by weight | Permeability rate (%) | Compression strength (MPa) |
| Embodiment 1 | 27 | 20 | 28 |
| Embodiment 4 | 26 | 20 | 28 |
| Embodiment 5 | 28 | 20 | 28 |
| Embodiment 6 | 25 | 17 | 25 |
| Embodiment 7 | 29 | 21 | 24 |
| Embodiment 8 | 24 | 19 | 23 |
| Embodiment 9 | 30 | 22 | 21 |
| Embodiment 10 | 23 | 20 | 21 |
| Embodiment 11 | 31 | 23 | 18 |
| Embodiment 12 | 0 | 21 | 20 |
The property and embodiment 1 of concrete prepared by embodiment 2~3 are basically identical.
Above-mentioned test result shows that concrete of the present invention can either keep concrete strength, has high permeability rate again, this
Property is relevant with the addition of rice hull ash, only can send out the addition control of rice hull ash within the scope of the present invention
Wave above-mentioned technique effect.In terms of existing technologies, concrete of the invention has prominent substantive distinguishing features and significant
It is progressive.
The effect of above-described embodiment indicates that the essentiality content of the present invention, but the protection of the present invention is not limited with this
Scope.It will be understood by those within the art that technical scheme can be modified or equivalent substitution,
Without departing from the essence and protection domain of technical solution of the present invention.
Claims (6)
1. a kind of high pervious concrete based on rice hull ash, it is characterised in that be prepared by the raw material of following parts by weight：Water
Mud, 312~314 parts；Rice hull ash, 26~28 parts；Aggregate I, 1394~1396 parts；Aggregate II, 104~106 parts；Plasticizer, 2~
4 parts；Water, 111~113 parts；Also include additional dose, additional dose of addition volume is the 0.2~0.4% of volume of concrete；
Wherein, by rice husk, the calcination under the conditions of 500~700 DEG C is cooled down and is made the rice hull ash after 11~13 hours, containing as follows
The composition of weight percentage：SiO2, 88.5%；Al2O3, 0.31%；Fe2O3, 0.14%；MgO, 0.36%；CaO, 1.25%；
Na2O, 1.15%；K2O, 2.13%；Rice husk gray density is 2.1kg/m3, specific surface area 370m2/kg；
Aggregate I is sandstone, and its D10, D50, D60 and impartial coefficient are respectively 0.31mm, 0.7mm, 1.0mm and 3.2；
Aggregate II is blinding, and its D10, D50, D60 and impartial coefficient are respectively 7.6mm, 10.2mm, 11mm and 1.4.
2. concrete according to claim 1, it is characterised in that be prepared by the raw material of following parts by weight：Cement,
313 parts；Rice hull ash, 27 parts；Aggregate I, 1395 parts；Aggregate II, 105 parts；Plasticizer, 3 parts；Water, 112 parts；Also include additional dose,
Additional dose of addition volume is the 0.3% of volume of concrete.
3. concrete according to claim 1 or 2, it is characterised in that：The cement is 32.5 grade composite silicate cement.
4. concrete according to claim 1 or 2, it is characterised in that：The plasticizer is saturated carboxylic acid ester.
5. concrete according to claim 4, it is characterised in that：Ratio of the saturated carboxylic acid ester under 25 DEG C of temperature conditionss
Weight is 1.05~1.08.
6. concrete according to claim 1 or 2, it is characterised in that：Described additional dose is polyphenylene sulfide.
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| CN107338692B (en) * | 2017-08-25 | 2019-10-25 | 湖北工业大学 | Rice hull ash Reinforced subgrade and its construction method |
| CN107573010A (en) * | 2017-10-23 | 2018-01-12 | 安徽展大生物科技有限公司 | A kind of stalk exterior wall thermal insulation brick and preparation method thereof |
| CN108409242B (en) * | 2018-03-27 | 2021-05-07 | 温州华邦混凝土有限公司 | High-permeability concrete |
| CN109384423B (en) * | 2018-11-02 | 2020-09-25 | 中国地质大学（武汉） | Water permeable brick capable of purifying water quality and preparation method thereof |
| CN109369104B (en) * | 2018-11-22 | 2021-05-18 | 中南大学 | Preparation method of high-strength and high-permeability concrete |
| CN112745080B (en) * | 2021-01-13 | 2022-05-20 | 杭州申华混凝土有限公司 | High-permeability concrete and preparation method thereof |
| CN113121160B (en) * | 2021-04-23 | 2022-04-12 | 徐银田 | Silica sand water permeable brick and preparation method thereof |
| DE202023102643U1 (en) | 2023-05-15 | 2023-06-07 | Abhinav Bhargav | Composition for sustainable construction fine concrete using PVA nano-calcium carbonate powder and soybean hull |
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| CN102674778A (en) * | 2012-06-04 | 2012-09-19 | 同济大学 | Self-leveling mortar doped with low-temperature rice hull ash |
| CN102690092A (en) * | 2012-06-04 | 2012-09-26 | 同济大学 | Low-temperature rice hull ash doped cement-base shrinkage-free grouting material and using method thereof |
| CN102643060B (en) * | 2012-05-02 | 2013-12-04 | 同济大学 | High-strength concrete mixed with low-temperature rice husk ash |
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| CN102643060B (en) * | 2012-05-02 | 2013-12-04 | 同济大学 | High-strength concrete mixed with low-temperature rice husk ash |
| CN102674778A (en) * | 2012-06-04 | 2012-09-19 | 同济大学 | Self-leveling mortar doped with low-temperature rice hull ash |
| CN102690092A (en) * | 2012-06-04 | 2012-09-26 | 同济大学 | Low-temperature rice hull ash doped cement-base shrinkage-free grouting material and using method thereof |
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