CN111470808A - Composite material system surface layer permeable sand base and preparation method and application thereof - Google Patents
Composite material system surface layer permeable sand base and preparation method and application thereof Download PDFInfo
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- CN111470808A CN111470808A CN202010136641.5A CN202010136641A CN111470808A CN 111470808 A CN111470808 A CN 111470808A CN 202010136641 A CN202010136641 A CN 202010136641A CN 111470808 A CN111470808 A CN 111470808A
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- 239000004576 sand Substances 0.000 title claims abstract description 64
- 239000002131 composite material Substances 0.000 title claims abstract description 46
- 239000002344 surface layer Substances 0.000 title claims abstract description 42
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 66
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000004568 cement Substances 0.000 claims abstract description 24
- 238000010276 construction Methods 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 22
- 229910052602 gypsum Inorganic materials 0.000 claims abstract description 15
- 239000010440 gypsum Substances 0.000 claims abstract description 15
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 13
- 229910021487 silica fume Inorganic materials 0.000 claims abstract description 13
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims abstract description 12
- 239000000920 calcium hydroxide Substances 0.000 claims abstract description 11
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims abstract description 11
- 239000002562 thickening agent Substances 0.000 claims abstract description 11
- 239000004816 latex Substances 0.000 claims abstract description 10
- 229920000126 latex Polymers 0.000 claims abstract description 10
- 239000000843 powder Substances 0.000 claims abstract description 10
- 239000000049 pigment Substances 0.000 claims abstract description 9
- 238000002156 mixing Methods 0.000 claims abstract description 4
- 239000002002 slurry Substances 0.000 claims description 23
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 6
- 239000006004 Quartz sand Substances 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 229910052925 anhydrite Inorganic materials 0.000 claims description 3
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 3
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 claims description 3
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 claims description 3
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 claims description 3
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical group OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 238000007790 scraping Methods 0.000 claims description 3
- 230000000475 sunscreen effect Effects 0.000 claims description 3
- 239000000516 sunscreening agent Substances 0.000 claims description 3
- 239000001034 iron oxide pigment Substances 0.000 claims description 2
- 239000011159 matrix material Substances 0.000 claims 4
- 238000009499 grossing Methods 0.000 claims 1
- 239000011812 mixed powder Substances 0.000 description 6
- 239000011380 pervious concrete Substances 0.000 description 6
- 239000004567 concrete Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 229960005191 ferric oxide Drugs 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical group O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 239000011368 organic material Substances 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229940051164 ferric oxide yellow Drugs 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- WTFXARWRTYJXII-UHFFFAOYSA-N iron(2+);iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[Fe+2].[Fe+3].[Fe+3] WTFXARWRTYJXII-UHFFFAOYSA-N 0.000 description 1
- LDHBWEYLDHLIBQ-UHFFFAOYSA-M iron(3+);oxygen(2-);hydroxide;hydrate Chemical compound O.[OH-].[O-2].[Fe+3] LDHBWEYLDHLIBQ-UHFFFAOYSA-M 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000001509 sodium citrate Substances 0.000 description 1
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical group O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000012360 testing 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
- 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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/10—Coherent pavings made in situ made of road-metal and binders of road-metal and cement or like binders
- E01C7/14—Concrete paving
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/10—Coherent pavings made in situ made of road-metal and binders of road-metal and cement or like binders
- E01C7/14—Concrete paving
- E01C7/142—Mixtures or their components, e.g. aggregate
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a composite material system surface layer permeable sand base and a preparation method and application thereof, wherein the composite material system surface layer permeable sand base is prepared by mixing the following raw materials in parts by mass: 100-120 parts of cement, 5-10 parts of gypsum, 820-860 parts of aggregate, 5-10 parts of calcium hydroxide, 10-20 parts of redispersible latex powder, 10-20 parts of silica fume, 0.2-0.5 part of thickening agent, 1-2 parts of water reducing agent, 1-4 parts of regulator and 1-3 parts of pigment. According to the invention, the low-shrinkage special cement, the gypsum, the silica fume and the calcium hydroxide form a composite gel system, the porosity of the permeable sand base is improved by reducing the using amount of a cementing material, and the overall shrinkage and high strength of the material can be ensured; meanwhile, the construction steps of the composite material system surface layer permeable sand foundation are simple, and the construction efficiency is obviously improved.
Description
Technical Field
The invention relates to the technical field of landscape roads, in particular to a composite material system surface layer permeable sand base and a preparation method and application thereof.
Background
At present, the construction of sponge cities aims to improve the capability of the cities in adapting to environmental changes, coping with natural disasters and the like, so that urban pavements can absorb water, store water, seep water and purify water when raining, and the stored water can be released and utilized when raining is less. The permeable concrete and the permeable sand foundation are used as important links for sponge city construction, and the permeable concrete technology is gradually improved in generations through the development of the previous years.
In the process, the surface layer pervious concrete is always taken as a design and construction difficulty, different surface layer pervious concrete materials have self defects, for example, the strength of the common cement-based pervious concrete is low, the self adhesion is poor, the pavement thickness is more than 3cm, otherwise, the materials are easy to fall and break, meanwhile, the common cement shrinks greatly and is easy to crack, the common cement is taken as an adhesion material, the cement using amount and the surface layer aggregate particle size need to be increased by more than 5mm at minimum, the strength and porosity of the pervious concrete can be improved, the surface hole of the pervious concrete with the coarse aggregate is too large, the lime soil and impurities are easy to accumulate in the hole, the surface layer blockage can be caused after long-term use, and the pervious and apparent effects are influenced. In addition, the pervious concrete is prepared by adopting organic materials such as epoxy, polyurethane, asphalt and other bonding materials, the surface layer is easy to yellow or crack and hollowly due to the characteristics of the organic materials, and the organic materials are volatile and can cause certain harm to the environment. Therefore, it is necessary to provide a new permeable roadbed material for solving the problems in the prior art.
Disclosure of Invention
The invention aims to provide a composite material system surface layer permeable sand base and a preparation method and application thereof, and aims to solve the problems of low strength, poor adhesion, easy falling, easy blockage, large shrinkage and the like of permeable concrete in the prior art.
To solve the above technical problem, the present invention provides a first solution: the composite material system surface layer permeable sand base is prepared by mixing the following raw materials in parts by mass: 100-120 parts of cement, 5-10 parts of gypsum, 820-860 parts of aggregate, 5-10 parts of calcium hydroxide, 10-20 parts of redispersible latex powder, 10-20 parts of silica fume, 0.2-0.5 part of thickening agent, 1-2 parts of water reducing agent, 1-4 parts of regulator and 1-3 parts of pigment.
Preferably, the cement is a low shrinkage specialty cement and has a strength rating of 42.5.
Preferably, the gypsum is primary anhydrite having a particle size of 325 mesh.
Preferably, the aggregate is quartz sand with the particle size of 1-1.5 mm.
Preferably, the sodium hydroxide has a purity of greater than 90% and a particle size of 325 mesh.
Preferably, the thickener is hydroxypropyl methyl cellulose ether, the water reducing agent is a polycarboxylic acid water reducing agent, and the pigment is an iron oxide pigment.
To solve the above technical problem, the present invention provides a second solution: the preparation method of the composite material system surface layer permeable sand base in the first solution is provided, the raw materials are weighed according to the proportion and then are dry-mixed to be uniform, and water is added before construction and stirring is carried out to prepare the composite material system surface layer permeable sand base.
To solve the above technical problem, the present invention provides a third solution: providing a use of the composite material system surface layer permeable sand base as in the first solution, wherein the composite material system surface layer permeable sand base is used as a surface layer decorative material of a permeable pavement system, and the paving process comprises the following steps: adding water into the dry-mixed raw materials, stirring for 5 minutes to obtain sand-based slurry, and continuously overturning the sand-based slurry to a wet construction area; scraping the sand-based slurry to ensure that the construction thickness of the sand-based slurry is 2 mm; flattening the scraped sand-based slurry by adopting a flat plate troweling machine, and carrying out windproof and sunscreen maintenance on the flattened sand-based slurry; and (5) continuously maintaining for three days after the surface of the sand-based slurry is hardened, and finishing the paving process of the permeable sand-based of the composite material system surface layer.
The invention has the beneficial effects that: the invention is different from the condition of the prior art, provides a composite material system surface layer permeable sand base and a preparation method and application thereof, a composite gel system is formed by low-shrinkage special cement, gypsum, silica fume and calcium hydroxide, the porosity of the permeable sand base is improved by reducing the using amount of a gel material, and the overall shrinkage and high strength of the material can be ensured; meanwhile, the construction steps of the composite material system surface layer permeable sand foundation are simple, and the construction efficiency is obviously improved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
For the first solution provided by the invention, the composite material system surface layer permeable sand base is specifically provided, and is prepared by mixing the following raw materials in parts by mass: 100-120 parts of cement, 5-10 parts of gypsum, 820-860 parts of aggregate, 5-10 parts of calcium hydroxide, 10-20 parts of redispersible latex powder, 10-20 parts of silica fume, 0.2-0.5 part of thickening agent, 1-2 parts of water reducing agent, 1-4 parts of regulator and 1-3 parts of pigment.
In the embodiment, the cement is preferably low-shrinkage special cement, and the strength grade is 42.5; preferably, the gypsum is first-grade anhydrite, and the granularity is 325 meshes; preferably, the aggregate is quartz sand with the particle size of 1-1.5 mm; preferably, the purity of the sodium hydroxide is more than 90 percent, and the granularity is 325 meshes; the preferred silica fume is more than 90% pure and 20m specific surface area2The coating is prepared from the following raw materials in parts by weight, wherein each part is composed of silicon micropowder/g, the preferable thickening agent is L H-01 type hydroxypropyl methyl cellulose ether, the preferable redispersible latex powder is 6011 type latex powder, the preferable water reducing agent is a PC-160 polycarboxylic acid water reducing agent, the preferable regulator is sodium citrate with the granularity of 325 meshes, and the preferable pigment is ferric oxide red, yellow and black pigments.
The invention provides a second solution, and particularly provides a preparation method of the composite material system surface layer permeable sand base in the first solution.
The present invention provides a third solution, specifically provides an application of the composite material system surface layer permeable sand base in the first solution, the composite material system surface layer permeable sand base is used as a surface layer decorative material of the permeable pavement system, and the paving process comprises the following steps: adding water into the dry-mixed raw materials, stirring for 5 minutes to obtain sand-based slurry, and continuously overturning the sand-based slurry to a wet construction area; scraping the sand-based slurry to ensure that the construction thickness of the sand-based slurry is 2 mm; flattening the scraped sand-based slurry by adopting a flat plate troweling machine, and carrying out windproof and sunscreen maintenance on the flattened sand-based slurry; and (5) continuously maintaining for three days after the surface of the sand-based slurry is hardened, and finishing the paving process of the permeable sand-based of the composite material system surface layer.
Further, the principles and advantages of the above solution are elaborated: 1) the composite gelling system is formed by adopting low-shrinkage special cement, gypsum, silica fume and calcium hydroxide, wherein the composite action of the low-shrinkage special cement and the gypsum reduces the shrinkage of the material and ensures the dimensional stability of the material, and the improvement of the compactness and the activity of the gelling material is realized through the composite action of the added calcium hydroxide and the silica fume, so that the porosity of the permeable sand base can be improved by reducing the using amount of the gelling material under the composite gelling system, and the integral high strength of the material can be ensured; 2) in addition, a thickening agent, a water reducing agent and redispersible latex powder are added, and the slurry formed by stirring after water is added uniformly covers the aggregate, so that the bonding strength of the slurry coated on the aggregate can be improved, the cohesion of the whole material is further improved, and the surface aggregate is prevented from falling off; 3) 80-90% of the surface layer permeable sand base of the composite material system is made of inorganic materials, so that the composite material system is low in harm to the environment, and the durability of the material is ensured by using mineral pigments; 4) the construction process is simple and quick, the efficiency is high, the construction method is very suitable for projects with short construction periods and needing to be put into use quickly, and the construction efficiency is obviously improved.
The effect of the above-mentioned facing layer permeable sand base of the composite material system is explained in detail by the following specific examples.
Example 1
In the embodiment, the surface layer permeable sand base of the composite material system is configured according to the following mass ratio: 100 parts of cement, 5 parts of gypsum, 856.8 parts of aggregate, 5 parts of calcium hydroxide, 10 parts of redispersible latex powder, 20 parts of silica fume, 0.2 part of thickening agent, 1 part of water reducing agent, 1 part of regulator and 1 part of iron oxide red; the raw materials are firstly and evenly mixed to obtain mixed powder, and then water is added according to 6 percent of the mass of the mixed powder to be evenly stirred, so that the sample 1 is prepared.
Example 2
In the embodiment, the surface layer permeable sand base of the composite material system is configured according to the following mass ratio: 110 parts of cement, 7 parts of gypsum, 840.2 parts of aggregate, 7 parts of calcium hydroxide, 15 parts of redispersible latex powder, 15 parts of silica fume, 0.3 part of thickening agent, 1.5 parts of water reducing agent, 2 parts of regulator and 2 parts of iron oxide black; the raw materials are firstly and evenly mixed to obtain mixed powder, and then water is added according to 6 percent of the mass of the mixed powder to be evenly stirred, so that a sample 2 is prepared.
Example 3
In the embodiment, the surface layer permeable sand base of the composite material system is configured according to the following mass ratio: 120 parts of cement, 10 parts of gypsum, 820.5 parts of aggregate, 10 parts of calcium hydroxide, 20 parts of redispersible latex powder, 10 parts of silica fume, 0.5 part of thickening agent, 2 parts of water reducing agent, 4 parts of regulator and 3 parts of iron oxide yellow; the raw materials are firstly and evenly mixed to obtain mixed powder, and then water is added according to 6 percent of the mass of the mixed powder to be evenly stirred, so that a sample 3 is prepared.
The samples 1 to 3 in the three embodiments are respectively tested according to CJJ/T135-2009 technical Specification for permeable cement concrete pavements, and the results are shown in Table 1, and as can be seen from Table 1, the basic performance of the surface layer permeable materials prepared in the embodiments 1 to 3 meets the standard requirements, meets the technical requirements of C30 permeable cement concrete pavements, and the strength of three days is greater than 10MPa, so that the rapid passing of pavements can be ensured, and the construction and use efficiency can be improved; meanwhile, the samples 1-3 have good water permeability.
TABLE 1 sample 1-3 water permeability and compression strength testing table
| Item | Index requirement | Sample 1 | Sample 2 | Sample 3 |
| Coefficient of water permeability (mm/s) | ≥0.5 | 0.9 | 0.8 | 0.6 |
| Continuous porosity/% | ≥10 | 15 | 13 | 12 |
| 3d compressive strength/MPa | / | 13.4 | 14.5 | 16.4 |
| 28d compressive strength/MPa | ≥30.0 | 35.6 | 37.6 | 38.7 |
| 28d compressive strength/MPa | ≥3.5 | 4.3 | 4.0 | 3.8 |
The invention is different from the condition of the prior art, provides a composite material system surface layer permeable sand base and a preparation method and application thereof, a composite gel system is formed by low-shrinkage special cement, gypsum, silica fume and calcium hydroxide, the porosity of the permeable sand base is improved by reducing the using amount of a gel material, and the overall shrinkage and high strength of the material can be ensured; meanwhile, the construction steps of the composite material system surface layer permeable sand foundation are simple, and the construction efficiency is obviously improved.
It should be noted that the above embodiments belong to the same inventive concept, and the description of each embodiment has a different emphasis, and reference may be made to the description in other embodiments where the description in individual embodiments is not detailed.
The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. The composite material system surface layer permeable sand base is characterized by being prepared by mixing the following raw materials in parts by mass: 100-120 parts of cement, 5-10 parts of gypsum, 820-860 parts of aggregate, 5-10 parts of calcium hydroxide, 10-20 parts of redispersible latex powder, 10-20 parts of silica fume, 0.2-0.5 part of thickening agent, 1-2 parts of water reducing agent, 1-4 parts of regulator and 1-3 parts of pigment.
2. The composite system facing permeable sand matrix of claim 1, wherein the cement is a low shrinkage specialty cement and has a strength rating of 42.5.
3. The composite system facing permeable sand matrix of claim 1, wherein said gypsum is primary anhydrite having a 325 mesh size.
4. The composite material system surface layer permeable sand base as claimed in claim 1, wherein the aggregate is quartz sand with a particle size of 1-1.5 mm.
5. The composite system facing permeable sand matrix of claim 1, wherein said sodium hydroxide has a purity greater than 90% and a particle size of 325 mesh.
6. The composite system facing permeable sand matrix of claim 1, wherein said thickener is hydroxypropyl methylcellulose ether, said water reducer is a polycarboxylic acid water reducer, and said pigment is an iron oxide pigment.
7. The preparation method of the composite material system surface layer permeable sand base as claimed in any one of claims 1 to 6, characterized in that the raw materials are weighed in proportion and then dry-mixed to be uniform, and water is added before construction and stirring is carried out to obtain the composite material system surface layer permeable sand base.
8. The application of the composite material system surface layer permeable sand base as claimed in any one of claims 1 to 6, wherein the composite material system surface layer permeable sand base is used as a surface layer decorative material of a permeable pavement system, and the paving process comprises the following steps:
adding water into the uniformly dry-mixed raw materials, stirring for 5 minutes to obtain sand-based slurry, and continuously overturning the sand-based slurry to a wet construction area;
scraping the sand-based slurry to be flat, and enabling the construction thickness of the sand-based slurry to be 2 mm;
flattening the scraped sand-based slurry by adopting a flat plate smoothing machine, and carrying out windproof and sunscreen maintenance on the flattened sand-based slurry;
and (4) continuously maintaining for three days after the surface of the sand-based slurry is hardened, and finishing the paving process of the permeable sand-based of the composite material system surface layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010136641.5A CN111470808A (en) | 2020-03-02 | 2020-03-02 | Composite material system surface layer permeable sand base and preparation method and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010136641.5A CN111470808A (en) | 2020-03-02 | 2020-03-02 | Composite material system surface layer permeable sand base and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112482120A (en) * | 2020-12-23 | 2021-03-12 | 漾濞彝族自治县苍漾旅游投资开发有限责任公司 | Construction process for juglans sigillata massage sole pavement |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10194818A (en) * | 1997-01-13 | 1998-07-28 | Masao Sato | Production of high strength water permeable concrete |
| CN101293760A (en) * | 2007-04-28 | 2008-10-29 | 上海固华墙体环保科技有限公司 | Colorful water permeable concrete pavement and construction technique |
| CN104402339A (en) * | 2014-11-20 | 2015-03-11 | 天元建设集团有限公司 | Pervious concrete and construction method thereof |
| CN106316295A (en) * | 2016-08-24 | 2017-01-11 | 重庆建工新型建材有限公司 | Sand based permeable dry mix and mixture thereof |
| CN107098637A (en) * | 2017-04-07 | 2017-08-29 | 山东大学 | A kind of novel ecological pervious concrete material and preparation method thereof |
| CN107265971A (en) * | 2017-06-14 | 2017-10-20 | 织巢鸟智能环保建材科技有限公司 | A kind of preparation of pervious concrete and construction method |
| CN108425299A (en) * | 2018-04-16 | 2018-08-21 | 黄河三角洲京博化工研究院有限公司 | A kind of rapid constructing method of bilayer pervious concrete load-bearing road |
| CN108558336A (en) * | 2018-01-12 | 2018-09-21 | 广东省建筑科学研究院集团股份有限公司 | A kind of plant growth pervious concrete of high-performance |
| CN110790560A (en) * | 2019-11-28 | 2020-02-14 | 贵州筑信达创科技有限公司 | Permeable sidewalk and construction method thereof |
-
2020
- 2020-03-02 CN CN202010136641.5A patent/CN111470808A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10194818A (en) * | 1997-01-13 | 1998-07-28 | Masao Sato | Production of high strength water permeable concrete |
| CN101293760A (en) * | 2007-04-28 | 2008-10-29 | 上海固华墙体环保科技有限公司 | Colorful water permeable concrete pavement and construction technique |
| CN104402339A (en) * | 2014-11-20 | 2015-03-11 | 天元建设集团有限公司 | Pervious concrete and construction method thereof |
| CN106316295A (en) * | 2016-08-24 | 2017-01-11 | 重庆建工新型建材有限公司 | Sand based permeable dry mix and mixture thereof |
| CN107098637A (en) * | 2017-04-07 | 2017-08-29 | 山东大学 | A kind of novel ecological pervious concrete material and preparation method thereof |
| CN107265971A (en) * | 2017-06-14 | 2017-10-20 | 织巢鸟智能环保建材科技有限公司 | A kind of preparation of pervious concrete and construction method |
| CN108558336A (en) * | 2018-01-12 | 2018-09-21 | 广东省建筑科学研究院集团股份有限公司 | A kind of plant growth pervious concrete of high-performance |
| CN108425299A (en) * | 2018-04-16 | 2018-08-21 | 黄河三角洲京博化工研究院有限公司 | A kind of rapid constructing method of bilayer pervious concrete load-bearing road |
| CN110790560A (en) * | 2019-11-28 | 2020-02-14 | 贵州筑信达创科技有限公司 | Permeable sidewalk and construction method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 白丹: "《园林工程》", 30 July 2013, 武汉理工大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112482120A (en) * | 2020-12-23 | 2021-03-12 | 漾濞彝族自治县苍漾旅游投资开发有限责任公司 | Construction process for juglans sigillata massage sole pavement |
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