CN114804702A - Pervious concrete binder and pervious concrete - Google Patents
Pervious concrete binder and pervious concrete Download PDFInfo
- Publication number
- CN114804702A CN114804702A CN202210225576.2A CN202210225576A CN114804702A CN 114804702 A CN114804702 A CN 114804702A CN 202210225576 A CN202210225576 A CN 202210225576A CN 114804702 A CN114804702 A CN 114804702A
- Authority
- CN
- China
- Prior art keywords
- concrete
- binder
- pervious concrete
- pervious
- powder
- 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.)
- Pending
Links
- 239000011230 binding agent Substances 0.000 title claims abstract description 54
- 239000011380 pervious concrete Substances 0.000 title claims abstract description 47
- 239000000843 powder Substances 0.000 claims abstract description 34
- 239000004568 cement Substances 0.000 claims abstract description 19
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims abstract description 17
- 239000000853 adhesive Substances 0.000 claims abstract description 17
- 230000001070 adhesive effect Effects 0.000 claims abstract description 17
- 239000001110 calcium chloride Substances 0.000 claims abstract description 17
- 229910001628 calcium chloride Inorganic materials 0.000 claims abstract description 17
- 239000001913 cellulose Substances 0.000 claims abstract description 17
- 229920002678 cellulose Polymers 0.000 claims abstract description 17
- 239000010881 fly ash Substances 0.000 claims abstract description 17
- 239000011347 resin Substances 0.000 claims abstract description 17
- 229920005989 resin Polymers 0.000 claims abstract description 17
- 239000000378 calcium silicate Substances 0.000 claims abstract description 14
- 229910052918 calcium silicate Inorganic materials 0.000 claims abstract description 14
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000002245 particle Substances 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims 1
- 239000004567 concrete Substances 0.000 abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 25
- 230000035699 permeability Effects 0.000 abstract description 8
- 238000002360 preparation method Methods 0.000 abstract description 8
- 238000005336 cracking Methods 0.000 abstract description 4
- 230000000052 comparative effect Effects 0.000 description 10
- 239000004566 building material Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 239000003292 glue Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000011041 water permeability test Methods 0.000 description 4
- OSMSIOKMMFKNIL-UHFFFAOYSA-N calcium;silicon Chemical compound [Ca]=[Si] OSMSIOKMMFKNIL-UHFFFAOYSA-N 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- 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
-
- 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
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
-
- 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
Abstract
The invention provides a pervious concrete binder and pervious concrete, the pervious concrete comprises cement, stones and the binder, the binder comprises 35% of fly ash, 30% of calcium silicate powder, 15% of calcium chloride, 5% of cellulose, 12% of resin adhesive powder and 3% of retarder, by adopting the above scheme, the workability of the concrete is ensured by the fly ash in the binder, the calcium silicate powder is used for adjusting the viscosity, the calcium chloride is used for increasing the strength of the concrete, the cellulose is used for preventing the concrete from cracking and has the water-retaining function, the resin adhesive powder is used for improving the bonding strength of the binder, the retarder is used for relieving the setting time of the concrete, the binder comprises the components and the content thereof, when the adhesive is used for preparing concrete, the concrete has certain strength and good water permeability after being applied, and the preparation cost can be effectively reduced.
Description
Technical Field
The invention relates to the field of concrete, in particular to a pervious concrete binder and pervious concrete.
Background
Most of the existing permeable pavements use cement and stones to form concrete to form a cement concrete pavement, the cement concrete pavement is a pavement using cement concrete as a main material to make a surface layer, the cement concrete pavement is a rigid pavement and needs to have enough strength to bear the pressure brought by vehicles with different weights, and therefore the concrete of the pavement is required to be difficult to crack, strong in bonding strength and have certain strength. However, the cement concrete pavement applied to the sidewalk needs to have certain strength requirement and water permeability, and has the capability of water permeation and drainage in rainy days, so that the condition that the road surface is accumulated with water to influence the safe passing of pedestrians is avoided. However, the existing cement concrete pavement has poor water permeability, and the cost of the adopted raw materials is too high under the requirement of strength.
Disclosure of Invention
A first object of the present invention is to provide a pervious concrete binder which reduces costs.
A second object of the present invention is to provide a pervious concrete comprising the above binder.
In order to realize the first purpose, the pervious concrete binder provided by the invention comprises, by weight, 20% -40% of fly ash, 25% -45% of calcium silicate powder, 10% -20% of calcium chloride, 1% -10% of cellulose, 10% -20% of resin adhesive powder and 3% -8% of retarder.
The further scheme is that the pervious concrete binder comprises, by weight, 35% of fly ash, 30% of calcium silicate powder, 15% of calcium chloride, 5% of cellulose, 12% of resin adhesive powder and 3% of retarder.
According to the scheme, the workability of concrete is guaranteed through the fly ash in the binder, the calcium silicate powder is used for adjusting the viscosity, the calcium chloride is used for increasing the strength of the concrete, the cellulose is used for preventing the concrete from cracking and has a water retention function, the resin adhesive powder is used for improving the bonding strength of the binder, the retarder is used for relieving the setting time of the concrete, the binder comprises the components and the content thereof, and when the binder is used for preparing the concrete, the concrete has certain strength after being applied to a sidewalk and has good water permeability, and the preparation cost can be effectively reduced.
In order to achieve the second object, the pervious concrete provided by the invention comprises, by weight, 10% -20% of cement, 2% -4% of a binder and 80% -90% of stones, wherein the binder is the pervious concrete binder; the particle size of the stones is 3 mm-6 mm.
Detailed Description
The pervious concrete binder is used for preparing pervious concrete, the pervious concrete is mainly applied to pavement surfaces of sidewalks, and the components and the content of the pervious concrete binder ensure that the finally prepared pervious concrete has certain strength and water permeability and effectively reduces the preparation cost of the concrete.
The pervious concrete binder comprises, by weight, 20-40% of fly ash, 25-45% of calcium silicate powder, 10-20% of calcium chloride, 1-10% of cellulose, 10-20% of resin adhesive powder and 3-8% of retarder, and optimally comprises, by weight, 35% of fly ash, 30% of calcium silicate powder, 15% of calcium chloride, 5% of cellulose, 12% of resin adhesive powder and 3% of retarder. The fly ash can be purchased from first-level fly ash of a power plant, the silicon calcium powder can be purchased from 100-600 meshes of silicon calcium powder of the Jinzhou Yaston building materials science and technology Limited company, the calcium chloride can be purchased from calcium chloride of the Jinzhou Yaston building materials science and technology Limited company, the cellulose can be purchased from 20-ten-thousand-sticky cellulose of the Jinzhou Yaston building materials science and technology Limited company, the resin adhesive powder can be purchased from resin adhesive powder of the Jinzhou Yaston building materials science and technology Limited company, and the retarder can be purchased from retarder of the Jinzhou Yaston building materials science and technology Limited company.
The preparation method of the pervious concrete binder comprises the following steps: putting the components into a stirrer according to a certain proportion, mixing and stirring for 30min, uniformly stirring, and bagging.
According to the weight percentage, the pervious concrete comprises 10% -20% of cement, 2% -4% of binder and 80% -90% of stones, the binder is the pervious concrete binder, and the pervious concrete further comprises 14.2% of cement, 2.5% of binder and 83.3% of stones.
The preparation method of the pervious concrete comprises the following steps: the cement, the stones and the binder are mixed and used according to the proportion, the pervious concrete can be prepared on a construction site, and the pervious concrete is immediately put into construction after the preparation is finished, so that the concrete is prevented from being placed for a long time.
The invention is further illustrated by the following specific examples, without thereby restricting the invention to the scope of the examples described.
Example 1
The pervious concrete binder comprises, by weight, 20% of fly ash, 35% of calcium silicate powder, 20% of calcium chloride, 5% of cellulose, 15% of resin adhesive powder and 5% of retarder.
The pervious concrete comprises 14.2% of cement, 2.5% of binder and 83.3% of stones.
Example 2
The pervious concrete binder comprises, by weight, 35% of fly ash, 30% of calcium silicate powder, 15% of calcium chloride, 5% of cellulose, 12% of resin adhesive powder and 3% of retarder.
The pervious concrete comprises 15% of cement, 3.0% of binder and 82% of stones.
Example 3
The pervious concrete binder comprises, by weight, 40% of fly ash, 25% of calcium silicate powder, 12% of calcium chloride, 7% of cellulose, 12% of resin adhesive powder and 4% of retarder.
The pervious concrete comprises 16% of cement, 3.5% of binder and 80.5% of stones.
Example 4
The pervious concrete binder comprises, by weight, 15% of fly ash, 45% of calcium silicate powder, 15% of calcium chloride, 7% of cellulose, 15% of resin adhesive powder and 3% of retarder.
The pervious concrete comprises 14.8% of cement, 3% of binder and 82.2% of stones.
Example 5
The pervious concrete binder comprises 45% of fly ash, 25% of calcium silicate powder, 10% of calcium chloride, 5% of cellulose, 10% of resin adhesive powder and 5% of retarder by weight percentage.
The pervious concrete comprises 18% of cement, 4% of binder and 78% of stones.
The binder preparation methods and the pervious concrete preparation methods in examples 1 to 5 were the same. The pervious concrete in comparative example 1 comprises 16% cement, 4% binder and 82% pebbles, wherein the binder in comparative example 1 is a commercially available concrete special glue.
The concrete of examples 1 to 5 and comparative example 1 were tested for adhesion, water permeability and cracking, respectively. The cracking test method comprises the following steps: and after the concrete construction is finished for one month, observing whether the pavement using the concrete cracks or not. The method for testing the binding power comprises the following steps: after the concrete is condensed, the concrete is repeatedly walked on a pavement using the concrete, and whether stones are rubbed or not in the walking process is observed. The water permeability test method comprises the following steps: and taking 1L of water, pouring the water on a road surface using the concrete after the concrete is condensed, and observing the permeation condition of the water.
The test results are shown in Table 1.
TABLE 1
The cost calculations for each component of the concrete of example 1 and the cost calculations for each component of the concrete of comparative example 1 are separately performed below.
The market price of the fly ash in example 1 is 300 yuan/ton, the market price of the silicon calcium powder is 800 yuan/ton, the market price of the calcium chloride is 4000 yuan/ton, the market price of the cellulose is 20000 yuan/ton, the market price of the resin glue powder is 14000 yuan/ton, and the market price of the retarder is 14000 yuan/ton. The price for preparing 10kg of the water permeable binder of example 1 is about 5 yuan/kg.
The cost of the specialty gum in comparative example 1 was: 4 yuan/kg.
As can be seen from Table 1 and the comparison of cost, the concrete containing the binder of the present invention has certain strength and water permeability, and simultaneously, the cost is effectively reduced by about 8%.
The water permeability test was performed on the water permeable binder in example 1 and the special glue on the market in comparative example 1, and the water permeability test method was: the water permeable binder in example 1 and the special glue in comparative document example 1 were prepared to obtain concrete, the two types of concrete were laid on the ground with equal laying area, then the same amount of water was poured in, and the water permeable time of the two types of concrete was recorded until the water permeation on the concrete was completed. The water permeability test result is as follows: the pervious concrete of example 1 was subject to water infiltration for 1 minute and 40 seconds for 20L of water, whereas the pervious concrete of comparative example 1 was subject to water infiltration for 2 minutes and 20 seconds for 20L of water.
The concrete of example 1 and the concrete of comparative example 1 were graded for concrete strength, the concrete of example 1 having a compressive strength of C25, and the concrete of comparative example 1 having a compressive strength of C20.
Therefore, the water permeable binder disclosed by the invention has the advantages that the cost is effectively reduced, and the concrete containing the water permeable binder has better water permeability and compressive strength.
Finally, it should be emphasized that the above-described preferred embodiments of the present invention are merely examples of implementations, rather than limitations, and that many variations and modifications of the invention are possible to those skilled in the art, without departing from the spirit and scope of the invention.
Claims (3)
1. The pervious concrete binder is characterized in that: according to weight percentage, the composite material comprises 20 to 40 percent of fly ash, 25 to 45 percent of calcium silicate powder, 10 to 20 percent of calcium chloride, 1 to 10 percent of cellulose, 10 to 20 percent of resin adhesive powder and 3 to 8 percent of retarder.
2. The pervious concrete binder of claim 1, characterized in that:
the pervious concrete binder comprises, by weight, 35% of fly ash, 30% of calcium silicate powder, 15% of calcium chloride, 5% of cellulose, 12% of resin adhesive powder and 3% of retarder.
3. Pervious concrete, its characterized in that: 10-20% of cement, 2-4% of binder and 80-90% of stones by weight, wherein the binder is the pervious concrete binder as claimed in claim 1 or 2; the particle size of the stones is 3-6 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210225576.2A CN114804702A (en) | 2022-03-07 | 2022-03-07 | Pervious concrete binder and pervious concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210225576.2A CN114804702A (en) | 2022-03-07 | 2022-03-07 | Pervious concrete binder and pervious concrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114804702A true CN114804702A (en) | 2022-07-29 |
Family
ID=82528286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210225576.2A Pending CN114804702A (en) | 2022-03-07 | 2022-03-07 | Pervious concrete binder and pervious concrete |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114804702A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108529924A (en) * | 2018-06-06 | 2018-09-14 | 四川靓固科技集团有限公司 | The special bonding agent of colorful water-permeable entirety road surface |
| CN109824296A (en) * | 2019-04-08 | 2019-05-31 | 湖南东方路固材料科技有限公司 | A kind of pervious concrete reinforcing agent and preparation method thereof |
-
2022
- 2022-03-07 CN CN202210225576.2A patent/CN114804702A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108529924A (en) * | 2018-06-06 | 2018-09-14 | 四川靓固科技集团有限公司 | The special bonding agent of colorful water-permeable entirety road surface |
| CN109824296A (en) * | 2019-04-08 | 2019-05-31 | 湖南东方路固材料科技有限公司 | A kind of pervious concrete reinforcing agent and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 沈观林等: "《电阻应变计及其应用》", 31 July 1983, 清华大学出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104402339B (en) | The constructional method of pervious concrete | |
| CN106167380A (en) | A kind of iron tailings anti-block water permeable concrete road surface and preparation method thereof | |
| CN107382125B (en) | Permeable concrete reinforcing agent and preparation method thereof | |
| CN103952958B (en) | A kind of town road rut maintenance method for paving | |
| CN107226648B (en) | Diamond dust tailing composite sand-based ecological water permeable brick and preparation method thereof | |
| CN107382358A (en) | It is a kind of suitable for permeable alkali-slag concrete of Supporting Load Pavement and preparation method thereof | |
| CN103145396A (en) | Multifunctional quick repair material for cement concrete pavements and preparation method thereof | |
| CN101857403B (en) | Permeable concrete and preparation method thereof | |
| CN108083706B (en) | Colored pervious concrete and preparation method thereof | |
| CN110981315B (en) | High-performance aggregate adhesive and application thereof | |
| KR101090243B1 (en) | Composite for concrete pavement and reparing method of concrete pavement using the composite | |
| CN112047701A (en) | High-strength porous pervious concrete pavement and preparation method thereof | |
| CN106892620A (en) | A kind of water-permeable brick and its production technology | |
| CN104692744A (en) | Road patching material with favorable elasticity and abrasion resistance and application thereof | |
| CN106800400B (en) | A kind of preparation method and applications of road repair mortar dry powder | |
| CN110714389A (en) | Ultrathin high-performance composite semi-flexible surface layer pavement structure and construction method thereof | |
| CN110467394A (en) | A kind of cement grout material and its preparation method and application | |
| CN113698149A (en) | Environment-friendly pervious concrete and preparation method thereof | |
| CN111233381B (en) | Preparation method and application of modified rubber particles, frost-resistant water-permeable concrete and application thereof, frost-resistant water-permeable brick and preparation method thereof | |
| CN114804702A (en) | Pervious concrete binder and pervious concrete | |
| KR100954341B1 (en) | Composite for soil pavement and construction method of soil pavement using the composite | |
| CN105819724A (en) | Water-permeable concrete cementing material and preparation method thereof | |
| CN106365554A (en) | Novel water-permeable brick and pavement construction method thereof | |
| CN107032706B (en) | It is a kind of to use drift-sand for the sub-surface forming method of raw material | |
| Hlail | Toward semi flexible pavement application for Iraqi highway and airport pavements: Review its feasibility |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220729 |
|
| RJ01 | Rejection of invention patent application after publication |