CN108484069A - A kind of enhancing concrete for plant growth and preparation method thereof - Google Patents
A kind of enhancing concrete for plant growth and preparation method thereof Download PDFInfo
- Publication number
- CN108484069A CN108484069A CN201810537220.6A CN201810537220A CN108484069A CN 108484069 A CN108484069 A CN 108484069A CN 201810537220 A CN201810537220 A CN 201810537220A CN 108484069 A CN108484069 A CN 108484069A
- Authority
- CN
- China
- Prior art keywords
- water
- concrete
- aggregate
- acid solution
- plant growth
- 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.)
- Withdrawn
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
- C04B28/06—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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Revetment (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention relates to a kind of enhancing concrete for plant growth and preparation method thereof, belong to building material field.A kind of enhancing concrete for plant growth, the raw material for preparing concrete include following components：The ratio of mud of sulphate aluminium cement, aggregate, admixture, water-soluble fibre, water, reinforcing fiber, acid solution, the concrete is 0.22 ~ 0.30, and aggregatecement ratio is 6.0 ~ 8.0, and the aggregate is 1 in mass ratio by natural aggregate and recycled aggregate:0.2 ~ 0.4 composition, the natural aggregate and the rubble that recycled aggregate is continuous grading；The admixture is made of silicon ash and flyash, and dosage is the 10 ~ 20% of cement quality；The dosage of the water-soluble fibre is the 1 ~ 3% of cement quality, and the dosage of the reinforcing fiber is the 2 ~ 5% of cement quality.Enhancing concrete for plant growth compression strength of the present invention is high, porosity is high and through hole proportion is high, and low alkalinity is more suitable for plant growth.
Description
Technical field
The present invention relates to a kind of enhancing concrete for plant growth and preparation method thereof, belong to building material field.
Background technology
Concrete for plant growth is the new concrete developed in recent years, main application in bank slope protection engineering, sponge road,
The construction in parking lot etc..Concrete for plant growth may be implemented afforestation vegetation and be coexisted with concrete, it can be achieved that water conservation, protection soil
Earth, is beautified the environment, the needs of reinforcing engineering at water suction water storage, is indispensable one of composition during " sponge city " is built.
Concrete for plant growth material is one kind of porous concrete material, should have the characteristic of general celluar concrete, such as
With certain anti-folding, compression strength and porosity.And as special a kind of construction material, concrete for plant growth also needs to have more
It is suitable for the speciality of plant growth.Cementitious material used in concrete is cement at present, and hydrogen is formed after cement-based gelling material solidification
Calcium oxide so that alkalinity is presented in entire concrete system, and pH value seriously affects the growth of plant between 11 ~ 13；Meanwhile it is mixed
The intensity for coagulating soil is generally inversely proportional with porosity, i.e., high porosity leads to lower resistance to compression, flexural strength；Furthermore it is porous mixed
It includes through hole, half through hole and blind hole that solidifying soil, which is formed by pore structure, and it is good that through hole can ensure that concrete has
Water penetration and convenient for root system of plant growth.
Invention content
To solve the above problems, the present invention provides a kind of enhancing concrete for plant growth, which has low alkalinity, more
The characteristics of through hole, can be widely applied to the construction in bank slope protection engineering, sponge road, parking lot etc..
A kind of enhancing concrete for plant growth, the raw material for preparing concrete include following components：Sulphate aluminium cement, is mixed aggregate
Material, water-soluble fibre, reinforcing fiber, water, acid solution are closed, the ratio of mud of the concrete is 0.22 ~ 0.30, and aggregatecement ratio is
6.0 ~ 8.0,
The aggregate is 1 in mass ratio by natural aggregate and recycled aggregate:0.2 ~ 0.4 composition, the natural aggregate and Regenerated Bone
Material is the rubble of continuous grading, and average grain diameter is 10 ~ 20mm；The admixture is by silicon ash and flyash in mass ratio 1:
0.25 ~ 1 composition, dosage are the 10 ~ 20% of cement quality；The dosage of the water-soluble fibre is the 1 ~ 3% of cement quality, described
The dosage of reinforcing fiber is the 2 ~ 5% of cement quality.
The ratio of mud of the present invention refers to the mass ratio of water and sulphate aluminium cement；The aggregatecement ratio phalanges material and aluminium sulfate
The mass ratio of cement.
Enhancing concrete for plant growth of the present invention, the solution temperature of the preferably described water-soluble fibre is between 50 ~ 100 DEG C.
Further, it is preferable to which the water-soluble fibre is vinal.Above-mentioned vinal can be vinal or
Modified vinal is made using method disclosed in the prior art, as long as meeting between 50 ~ 100 DEG C
Soluble condition in water.
Further, a diameter of 100 ~ 500 microns of the preferably described vinal, length are 1 ~ 100mm.
Enhancing concrete for plant growth of the present invention, the preferably described reinforcing fiber are carbon fiber, polypropylene fibre, glass fibers
Dimension, polyethylene fibre.
Further, a diameter of 50 ~ 200 microns of the reinforcing fiber, length are 1 ~ 100mm.
Enhancing concrete for plant growth of the present invention, the preferably described natural aggregate be natural rubble aggregate, water absorption rate 0.5 ~
0.8%, 1300 ~ 1800kg/m of bulk density3, 2600 ~ 3100kg/m of apparent density3, porosity is not less than 35%.
Natural aggregate of the present invention is the natural aggregate that can be used for concrete coarse aggregate disclosed in the prior art, Ru Huagang
Rock rubble, marble rubble etc..
Enhancing concrete for plant growth of the present invention, the preferably described recycled aggregate are the rubble formed after discarded concrete is broken
Aggregate, water absorption rate 3.5 ~ 4.5%, 1300 ~ 1800kg/m of bulk density3, 2600 ~ 3100kg/m of apparent density3, porosity is small
In 35%.
The average grain diameter of enhancing concrete for plant growth of the present invention, the preferably described silicon ash and flyash is 40 ~ 50 microns.
Enhancing concrete for plant growth of the present invention, the preferably described acid solution are that acetum, oxalic acid solution, citric acid are molten
The pH value of one kind in liquid, acid solution is 2 ~ 3.
Present invention simultaneously provides the preparation methods of above-mentioned enhancing concrete for plant growth.
It is a kind of enhancing concrete for plant growth preparation method the water of coarse aggregate and 25 ~ 30% is stirred in blender at room temperature
Sulphate aluminium cement is added after mixing 30s and excess water is stirred for 20s；Then admixture is added and is stirred for 30s, is eventually adding water-soluble
Property fiber and reinforcing fiber, stir 60s, molding conserves 28d, obtains concret block；Obtained by steam treatment or hot-water soak
Concret block at least 10min, the hot water is boiling water or hot water temperature is+5 ~ 10 DEG C of water-soluble fibre solution temperature；Every
Acid solution is sprayed on processing gained concrete test block, the amount of spray is that the ratio of concrete test block and acid solution is 1g for 24 hours:
2 ~ 20mL is sprayed at least 3 times；Or impregnate concrete test block in an acidic solution, after impregnating 3 ~ 7d, spontaneously dry.
The beneficial effects of the invention are as follows：The present invention provides a kind of enhancing concrete for plant growth, under the raw material of the concrete includes
State component：Sulphate aluminium cement, aggregate, admixture, water-soluble fibre, water, acid solution.When carrying out concrete preparation, choosing
The rubble for using average grain diameter larger is as aggregate, it is ensured that the porosity of gained concrete, and reduce the broken energy of rubble
Consumption；Decline as concrete crushing strength caused by aggregate due to the use of the larger rubble of average grain diameter to make up, in coagulation
Increase reinforcing fiber in soil, ensures the compression strength of concrete.Meanwhile water-soluble fibre is added in concrete, utilization is water-soluble
Property fiber soluble feature in the aqueous solution of higher temperature, dissolved after concrete test block molding therein water-soluble fine
Dimension improves and plants the porosity that raw coagulation coagulates soil, especially through hole proportion, advantageous sky is provided for the root growth of plant
Between environment.Meanwhile drop alkali process is carried out to gained concrete test block, make the alkali of the environment of concrete test block, especially its hole
Property reduce, be more suitable for plant growth.Enhancing concrete for plant growth compression strength of the present invention is high, porosity is high and through hole shared by
Ratio is high, and low alkalinity is more suitable for plant growth.
Specific implementation mode
It is raw materials used as follows in following embodiments：
Natural aggregate is granite stones aggregate, water absorption rate 0.73%, bulk density 1706kg/m3, apparent density 2937kg/
m3, porosity 41.2%.
Recycled aggregate is the crushed stone aggregate formed after discarded concrete is broken, water absorption rate 4.22%, bulk density
1558kg/m3, apparent density 3004kg/m3, porosity 45.9%.
Silicon ash and the average grain diameter of flyash are 40 ~ 50 microns.
Water-soluble fibre is vinal, a diameter of 200 ~ 500 microns, and length is 10 ~ 50mm.
A diameter of 100 ~ 150 microns of the reinforcing fiber, length are 10 ~ 50mm.
Embodiment 1
A kind of enhancing concrete for plant growth, the raw material for preparing concrete include following components：Sulphate aluminium cement, aggregate, admixture,
Water-soluble fibre, reinforcing fiber（Carbon fiber）, water, acid solution, the ratio of mud of the concrete is 0.22, aggregatecement ratio 7.2,
The aggregate is 1 in mass ratio by natural aggregate and recycled aggregate:0.2 composition, the natural aggregate and recycled aggregate
For the rubble of continuous grading, average grain diameter is 10 ~ 20mm；The admixture is by silicon ash and flyash in mass ratio 1:0.5 group
At dosage is the 15% of cement quality；The dosage of the water-soluble fibre is the 2% of cement quality, the use of the reinforcing fiber
Amount is the 3% of cement quality, and the acid solution is acetum, and the pH value of acid solution is 2.
Preparation method is as follows：At room temperature, aluminium sulfate is added after the water of coarse aggregate and 30% being stirred 30s in blender
Cement and excess water are stirred for 20s；Then admixture is added and is stirred for 30s, is eventually adding water-soluble fibre and reinforcing fiber, stirs
60s is mixed, is molded, 28d is conserved, obtains concret block；Utilize concret block 30min obtained by steam treatment；Every for 24 hours to processing
Spray acid solution on gained concrete test block, the amount of spray is that the ratio of concrete test block and acid solution is 1g:10mL, spray
It 5 times, spontaneously dries.
Embodiment 2
A kind of enhancing concrete for plant growth, the raw material for preparing concrete include following components：Sulphate aluminium cement, aggregate, admixture,
Water-soluble fibre, reinforcing fiber（Polypropylene fibre）, water, acid solution, the ratio of mud of the concrete is 0.25, and aggregatecement ratio is
6.5
The aggregate is 1 in mass ratio by natural aggregate and recycled aggregate:0.4 composition, the natural aggregate and recycled aggregate
For the rubble of continuous grading, average grain diameter is 10 ~ 20mm；The admixture is by silicon ash and flyash in mass ratio 1:0.25 group
At dosage is the 20% of cement quality；The dosage of the water-soluble fibre is the 3% of cement quality, the use of the reinforcing fiber
Amount is the 5% of cement quality, and the acid solution is citric acid solution, and the pH value of acid solution is 3.
Preparation method is as follows：At room temperature, aluminium sulfate is added after the water of coarse aggregate and 30% being stirred 30s in blender
Cement and excess water are stirred for 20s；Then admixture is added and is stirred for 30s, is eventually adding water-soluble fibre and reinforcing fiber, stirs
60s is mixed, is molded, 28d is conserved, obtains concret block；Gained concret block 30min is impregnated using boiling water, by concrete test block
It impregnates in an acidic solution, after impregnating 3d, spontaneously dries.
Embodiment 3
A kind of enhancing concrete for plant growth, the raw material for preparing concrete include following components：Sulphate aluminium cement, aggregate, admixture,
Water-soluble fibre, reinforcing fiber（Polypropylene fibre）, water, acid solution, the ratio of mud of the concrete is 0.30, and aggregatecement ratio is
8.0
The aggregate is 1 in mass ratio by natural aggregate and recycled aggregate:0.2 composition, the natural aggregate and recycled aggregate
For the rubble of continuous grading, average grain diameter is 10 ~ 20mm；The admixture is by silicon ash and flyash in mass ratio 1:1 group
At dosage is the 10% of cement quality；The dosage of the water-soluble fibre is the 2% of cement quality, the use of the reinforcing fiber
Amount is the 2% of cement quality, and the acid solution is oxalic acid solution, and the pH value of acid solution is 3.
Preparation method is as follows：At room temperature, aluminium sulfate is added after the water of coarse aggregate and 30% being stirred 30s in blender
Cement and excess water are stirred for 20s；Then admixture is added and is stirred for 30s, is eventually adding water-soluble fibre and reinforcing fiber, stirs
60s is mixed, is molded, 28d is conserved, obtains concret block；Using concret block 30min obtained by steam treatment, by concrete test block
It impregnates in an acidic solution, after impregnating 3d, spontaneously dries.
Embodiment 4
A kind of enhancing concrete for plant growth, the raw material for preparing concrete include following components：Sulphate aluminium cement, aggregate, admixture,
Water-soluble fibre, reinforcing fiber（Polypropylene fibre）, water, acid solution, the ratio of mud of the concrete is 0.28, and aggregatecement ratio is
7.2
The aggregate is 1 in mass ratio by natural aggregate and recycled aggregate:0.3 composition, the natural aggregate and recycled aggregate
For the rubble of continuous grading, average grain diameter is 10 ~ 20mm；The admixture is by silicon ash and flyash in mass ratio 1:1 composition,
Its dosage is the 15% of cement quality；The dosage of the water-soluble fibre is the 3% of cement quality, and the dosage of the reinforcing fiber is
The 3% of cement quality, the acid solution are acetum, and the pH value of acid solution is 2.
Preparation method is as follows：At room temperature, aluminium sulfate is added after the water of coarse aggregate and 30% being stirred 30s in blender
Cement and excess water are stirred for 20s；Then admixture is added and is stirred for 30s, is eventually adding water-soluble fibre and reinforcing fiber, stirs
60s is mixed, is molded, 28d is conserved, obtains concret block；Utilize concret block 30min obtained by steam treatment；Every for 24 hours to processing
Spray acid solution on gained concrete test block, the amount of spray is that the ratio of concrete test block and acid solution is 1g:20mL, spray
It 5 times, spontaneously dries.
Comparative example 1 ~ 4
Comparative example 1 ~ 4 and the raw material proportioning of the concrete of embodiment 1 ~ 4 are essentially identical, the difference is that without water-soluble fibre in raw material
Acid solution；Preparation method is essentially identical, the difference is that not including that alkali process drops in water-soluble fibre dissolution process and acid solution
The step of.
Specific test result see the table below 1.
Table 1
Claims (9)
1. a kind of enhancing concrete for plant growth, characterized in that the raw material for preparing concrete includes following components：Sulphate aluminium cement,
The ratio of mud of aggregate, admixture, water-soluble fibre, reinforcing fiber, water, acid solution, the concrete is 0.22 ~ 0.30, bone
Gray scale is 6.0 ~ 8.0, and the aggregate is 1 in mass ratio by natural aggregate and recycled aggregate:0.2 ~ 0.4 composition, the nature bone
Material and recycled aggregate are the rubble of continuous grading, and average grain diameter is 10 ~ 20mm；The admixture is pressed by silicon ash and flyash
Mass ratio 1:0.25 ~ 1 composition, dosage are the 10 ~ 20% of cement quality；The dosage of the water-soluble fibre is the 1 of cement quality
~ 3%, the dosage of the reinforcing fiber is the 2 ~ 5% of cement quality.
2. concrete according to claim 1, characterized in that the solution temperature of the water-soluble fibre 50 ~ 100 DEG C it
Between.
3. concrete according to claim 1, characterized in that the water-soluble fibre is vinal.
4. concrete according to claim 1, characterized in that the reinforcing fiber is carbon fiber, polypropylene fibre, glass
Fiber, polyethylene fibre.
5. concrete according to claim 1, characterized in that the natural aggregate is natural rubble aggregate, water absorption rate
0.5 ~ 0.8%, 1300 ~ 1800kg/m of bulk density3, 2600 ~ 3100kg/m of apparent density3, porosity is not less than 35%.
6. concrete according to claim 1, characterized in that the recycled aggregate is to be formed after discarded concrete is broken
Crushed stone aggregate, water absorption rate 3.5 ~ 4.5%, 1300 ~ 1800kg/m of bulk density3, 2600 ~ 3100kg/m of apparent density3, porosity
Not less than 35%.
7. concrete according to claim 1, characterized in that the silicon ash and the average grain diameter of flyash are micro- for 40 ~ 50
Rice.
8. concrete according to claim 1, characterized in that the acid solution is acetum, oxalic acid solution, lemon
The pH value of one kind in acid solution, acid solution is 2 ~ 3.
9. the preparation method of any one of claim 1 ~ 8 concrete, characterized in that at room temperature, by coarse aggregate and 25 ~ 30%
Water stirred in blender and sulphate aluminium cement be added after 30s and excess water is stirred for 20s；Then admixture is added to be stirred for
30s is eventually adding water-soluble fibre and reinforcing fiber, stirs 60s, and molding conserves 28d, obtains concret block；At steam
Concret block at least 10min obtained by reason or hot-water soak, the hot water is boiling water or hot water temperature is water-soluble fibre dissolving
Temperature+5 ~ 10 DEG C；Spray acid solution on processing gained concrete test block every for 24 hours, the amount of spray be concrete test block with
The ratio of acid solution is 1g:2 ~ 20mL is sprayed at least 3 times；Or impregnate concrete test block in an acidic solution, impregnate 3 ~ 7d
Afterwards, it spontaneously dries.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810537220.6A CN108484069A (en) | 2018-05-30 | 2018-05-30 | A kind of enhancing concrete for plant growth and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810537220.6A CN108484069A (en) | 2018-05-30 | 2018-05-30 | A kind of enhancing concrete for plant growth and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108484069A true CN108484069A (en) | 2018-09-04 |
Family
ID=63351428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810537220.6A Withdrawn CN108484069A (en) | 2018-05-30 | 2018-05-30 | A kind of enhancing concrete for plant growth and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108484069A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109293294A (en) * | 2018-10-08 | 2019-02-01 | 科利尔环保科技有限责任公司 | A kind of side slope deep layer gutter enhancement eco-concrete |
| CN109650821A (en) * | 2019-01-26 | 2019-04-19 | 郝鹏飞 | A kind of high-strength concrete and preparation method thereof that setting time is short |
| CN111827200A (en) * | 2020-06-15 | 2020-10-27 | 广东省水利水电科学研究院 | Interactive ecological river bank greening concrete retaining wall and construction method thereof |
| CN112456958A (en) * | 2020-12-17 | 2021-03-09 | 中交上海港湾工程设计研究院有限公司 | Low-alkalinity high-durability ecological plant-growing concrete material and preparation method thereof |
| CN114605125A (en) * | 2022-04-07 | 2022-06-10 | 武昌理工学院 | Method for preparing water permeable brick by using construction waste |
-
2018
- 2018-05-30 CN CN201810537220.6A patent/CN108484069A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109293294A (en) * | 2018-10-08 | 2019-02-01 | 科利尔环保科技有限责任公司 | A kind of side slope deep layer gutter enhancement eco-concrete |
| CN109650821A (en) * | 2019-01-26 | 2019-04-19 | 郝鹏飞 | A kind of high-strength concrete and preparation method thereof that setting time is short |
| CN111827200A (en) * | 2020-06-15 | 2020-10-27 | 广东省水利水电科学研究院 | Interactive ecological river bank greening concrete retaining wall and construction method thereof |
| CN112456958A (en) * | 2020-12-17 | 2021-03-09 | 中交上海港湾工程设计研究院有限公司 | Low-alkalinity high-durability ecological plant-growing concrete material and preparation method thereof |
| CN114605125A (en) * | 2022-04-07 | 2022-06-10 | 武昌理工学院 | Method for preparing water permeable brick by using construction waste |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108484069A (en) | A kind of enhancing concrete for plant growth and preparation method thereof | |
| CN105130368B (en) | A kind of pervious surface material and preparation method thereof | |
| CN107140902B (en) | A kind of permeable foam concrete and preparation method thereof | |
| CN103145365B (en) | Concrete anti-cracking repairing agent and concrete applying the same | |
| CN106477929A (en) | A kind of intensifying regenerating aggregate processing method and intensifying regenerating aggregate concrete | |
| CN105884308A (en) | Waste concrete regeneration method | |
| CN106986568A (en) | A kind of unburned lightweight aggregate, lightweight concrete and its preparation | |
| CN107352914B (en) | A kind of high-performance fiber concrete of C150 strength grade and preparation method thereof | |
| CN107777981A (en) | A kind of regeneration concrete and preparation method thereof | |
| CN107352915B (en) | A kind of high-performance fiber concrete of C110 strength grade and preparation method thereof | |
| CN107285709B (en) | A kind of high-performance fiber concrete of C120 strength grade and preparation method thereof | |
| CN110282928A (en) | Pervious concrete and its processing method | |
| CN107572981A (en) | A kind of concrete repair self-compacting concrete and preparation method thereof | |
| CN103553375A (en) | Composite soil solidifying agent, and preparation and application thereof | |
| CN109305792A (en) | A kind of soil-solidified-agent, preparation method and soil solidification construction method | |
| CN108892446A (en) | A kind of glass fiber reinforcement vegetation form cellular concrete and its construction method | |
| CN110092623A (en) | A kind of dredging and reclamation silt curing agent | |
| CN115594446A (en) | Preparation method of green concrete based on sludge and waste concrete | |
| CN114933440A (en) | Pervious concrete additive and pervious concrete | |
| CN107686302A (en) | A kind of cementitious capillary waterproofing material | |
| CN111116159A (en) | Phosphogypsum steel pipe concrete and preparation method thereof | |
| KR101544494B1 (en) | Manufacturing method of recycled aggregate improved water absorption by coating alkali-activated binder | |
| CN107324728B (en) | A kind of high-performance fiber concrete of C80 strength grade and preparation method thereof | |
| CN109485295A (en) | A kind of pervious concrete slow setting reinforcing agent and preparation method thereof | |
| CN108623269A (en) | A kind of concrete for plant growth 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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180904 |