CN116239342A - Water stable material for road subgrade and preparation method thereof - Google Patents
Water stable material for road subgrade and preparation method thereof Download PDFInfo
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- CN116239342A CN116239342A CN202211565796.6A CN202211565796A CN116239342A CN 116239342 A CN116239342 A CN 116239342A CN 202211565796 A CN202211565796 A CN 202211565796A CN 116239342 A CN116239342 A CN 116239342A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 61
- 239000000463 material Substances 0.000 title claims abstract description 47
- 238000002360 preparation method Methods 0.000 title abstract description 8
- 239000002893 slag Substances 0.000 claims abstract description 54
- 239000000843 powder Substances 0.000 claims abstract description 40
- 239000002956 ash Substances 0.000 claims abstract description 35
- 239000004568 cement Substances 0.000 claims abstract description 28
- 239000000654 additive Substances 0.000 claims abstract description 27
- 230000000996 additive effect Effects 0.000 claims abstract description 27
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 19
- 239000003245 coal Substances 0.000 claims abstract description 15
- 239000010881 fly ash Substances 0.000 claims abstract description 9
- 230000000694 effects Effects 0.000 claims abstract description 8
- 238000002156 mixing Methods 0.000 claims abstract description 8
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 claims abstract description 6
- XGRSAFKZAGGXJV-UHFFFAOYSA-N 3-azaniumyl-3-cyclohexylpropanoate Chemical compound OC(=O)CC(N)C1CCCCC1 XGRSAFKZAGGXJV-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000002253 acid Substances 0.000 claims abstract description 6
- 239000001913 cellulose Substances 0.000 claims abstract description 6
- 229920002678 cellulose Polymers 0.000 claims abstract description 6
- 235000010413 sodium alginate Nutrition 0.000 claims abstract description 6
- 239000000661 sodium alginate Substances 0.000 claims abstract description 6
- 229940005550 sodium alginate Drugs 0.000 claims abstract description 6
- 229960004711 sodium monofluorophosphate Drugs 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims description 40
- 238000010276 construction Methods 0.000 claims description 16
- 239000004575 stone Substances 0.000 claims description 14
- 239000000758 substrate Substances 0.000 claims description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 5
- 238000009841 combustion method Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 238000000227 grinding Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 5
- 238000007873 sieving Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims 1
- 239000002699 waste material Substances 0.000 description 7
- 239000003818 cinder Substances 0.000 description 5
- 239000010883 coal ash Substances 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 238000004064 recycling Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction 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
-
- 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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/06—Combustion residues, e.g. purification products of smoke, fumes or exhaust gases
- C04B18/08—Flue dust, i.e. fly ash
-
- 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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/06—Combustion residues, e.g. purification products of smoke, fumes or exhaust gases
- C04B18/10—Burned or pyrolised refuse
-
- 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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/14—Waste materials; Refuse from metallurgical processes
- C04B18/141—Slags
-
- 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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/16—Waste materials; Refuse from building or ceramic industry
-
- 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
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Combustion & Propulsion (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Road Paving Structures (AREA)
Abstract
The invention provides a water-stable material for a road subgrade and a preparation method thereof, and relates to the field of road materials. The water-stable material based on the road bed and the preparation method thereof comprise 3-5% of cement, 30-34% of slag powder ash, 32-40% of coarse aggregate, 24-28% of fine aggregate, 1.5-2% of retarder, 1-1.5% of additive and 4-6% of water addition amount by dry weight; the main components of the additive are 20-35% of sodium monofluorophosphate, 25-55% of sodium alginate, 10-15% of cellulose and 15-25% of polycarboxylic acid by mass percent. The water-stable material of the invention improves the pozzolanic activity of ash by using slag powder ash generated by mixing coal slag powder and fly ash, effectively utilizes coal slag resources under the condition of effectively improving the quality of mortar, improves the utilization rate of resources, can effectively improve the mechanical strength and workability of water-stable layer concrete by matching retarder and additive, and can reduce the water consumption of the concrete.
Description
Technical Field
The invention relates to the technical field of road materials, in particular to a water-stable material for a road subgrade and a preparation method thereof.
Background
The water-stable layer is a cement-stable crushed stone layer for short, namely cement is adopted to solidify graded crushed stone, compaction and maintenance are completed, the graded crushed stone is adopted as aggregate, a certain amount of cementing material and enough mortar volume are adopted to fill gaps of the aggregate, the cement-stable crushed stone is paved and compacted according to an embedding and extrusion principle, the compactness is close to the compactness, and the strength is mainly locked by embedding and extrusion among the crushed stone. The unconfined compressive strength of the water-stable layer for 7 days can reach 1.5-4.0MPa, which is higher than other roadbed materials, and the water-stable layer is not muddy when meeting rain, has firm surface, is an ideal base material of a high-grade pavement, has excellent performance, and therefore, the preparation of various water-stable layer materials becomes a hot spot direction for domestic and foreign research.
Every year, the construction of the infrastructure of China needs hundreds of billions of tons of sand and stone materials, which cause 'white hanging in Qingshan and yellow river water', seriously affect the environment of China, and sand and stone resources are not renewable, so that other materials are urgently needed to replace sand and stone resources in order to protect the environment and limit sand and stone resources. Meanwhile, hundreds of millions of tons of waste concrete are piled in the open air every year in China, so that the environment is polluted, and a large amount of land resources are occupied; therefore, the recycling of the waste concrete becomes a key point of research in China so as to effectively relieve the pressure of the shortage of natural aggregates and the problem of environmental pollution caused by concrete wastes, hundreds of millions of tons of cinder are piled in open air in China, and only parts of cinder are used for brickmaking, paving and cement mixing materials at present, but the utilization rate of cinder is low; therefore, it is needed to improve the utilization rate and the utilization value, and how to recycle the waste concrete and the cinder becomes a technical problem to be solved.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a water-stable material for a road subgrade and a preparation method thereof, which solve the problem of how to recycle waste concrete and cinder.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: the water stable material for road bed consists of cement 3-5 wt%, slag powder ash 30-34 wt%, coarse aggregate 32-40 wt%, fine aggregate 24-28 wt%, retarder 1.5-2 wt%, additive 1-1.5 wt% and water content 4-6 wt%.
Preferably, the main components of the additive comprise 20-35% of sodium monofluorophosphate, 25-55% of sodium alginate, 10-15% of cellulose and 15-25% of polycarboxylic acid by mass.
Preferably, the coarse aggregate may be crushed stone, recycled concrete or blast furnace slag.
Preferably, the slag powder ash is prepared by crushing, drying, grinding and sieving coal slag with a 325-mesh sieve to obtain coal slag powder, and mixing the coal slag powder with fly ash according to the proportion of 1:0.6-0.8, wherein the volcanic ash activity of the slag powder ash is superior to that of the grade II fly ash, and the cost is lower.
The water stable material for road bed includes cement, water, slag powder ash, additive, coarse aggregate and fine aggregate, and includes the following steps:
s1, pre-calculating the construction consumption of the water-stable material of the roadbed at the stage through measurement and calculation;
s2, detecting the water content of the fine aggregate by an alcohol combustion method, and calculating the actual water consumption under the construction amount according to the construction consumption of the water-stable material and the actual water content proportion;
s3, adding water according to the actual water consumption in the water stable stirring station, adding cement with a corresponding proportion, and continuously stirring for 10-15min to form a cement substrate;
s4, after the stirring is finished, adding fine aggregate and slag powder ash into the cement substrate, and stirring for 20-25min again to form mortar;
and S5, continuously stirring after the mortar is stirred, adding coarse aggregate, retarder and additive during stirring, stirring for 30-45min, and continuously stirring to ensure that the mortar is not solidified before use.
(III) beneficial effects
The invention provides a water-stable material for a road subgrade and a preparation method thereof. The beneficial effects are as follows:
1. the water-stable material of the invention improves the pozzolanic activity of ash by using slag powder ash generated by mixing coal slag powder and fly ash, effectively utilizes coal slag resources under the condition of effectively improving the quality of mortar, improves the utilization rate of resources, can effectively improve the mechanical strength and workability of water-stable layer concrete by matching retarder and additive, and can reduce the water consumption of the concrete.
2. The invention fills the recycled concrete and blast furnace slag to serve as coarse aggregate, solves the problem of recycling waste concrete, further improves the resource utilization rate and reduces the resource consumption of natural broken stone.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
the embodiment of the invention provides a water-stable material for road roadbed, the dry weight proportion of the water-stable material is 3% of cement, 32% of slag powder ash, 36% of coarse aggregate, 28% of fine aggregate, 1.5% of retarder, 1.5% of additive and the water adding amount is 4% of dry weight mass; the main components of the additive are 20% of sodium monofluorophosphate, 55% of sodium alginate, 10% of cellulose and 15% of polycarboxylic acid by mass percent, coarse aggregate can be recycled concrete, slag powder ash is obtained by crushing, drying, grinding and sieving coal slag with a 325-mesh sieve, and the slag powder is prepared by mixing the slag powder with the coal ash according to the proportion of 1:0.8, and the volcanic ash activity of the slag powder ash is superior to that of the grade II coal ash, and the cost is lower;
the invention fills the recycled concrete and blast furnace slag to serve as coarse aggregate, solves the problem of recycling waste concrete, further improves the resource utilization rate and reduces the resource consumption of natural broken stone.
The water stable material for road bed includes cement, water, slag powder ash, additive, coarse aggregate and fine aggregate, and includes the following steps:
s1, pre-calculating the construction consumption of the water-stable material of the roadbed at the stage through measurement and calculation;
s2, detecting the water content of the fine aggregate by an alcohol combustion method, calculating the actual water consumption under the construction amount according to the construction consumption of the water-stable material and the actual water content proportion, reducing the quality problem caused by the actual water content, and improving the material stability;
s3, adding water according to the actual water consumption in the water stable stirring station, adding cement with a corresponding proportion, and continuously stirring for 10min to form a cement substrate;
s4, after the stirring is finished, adding fine aggregate and slag powder ash into the cement substrate, and stirring for 25 minutes again to form mortar;
and S5, continuously stirring after the mortar is stirred, adding coarse aggregate, retarder and additive during stirring, stirring for 30min, and continuously stirring at a reduced speed to ensure that the mortar is not solidified before use.
Embodiment two:
the present embodiment is different from the first embodiment in that: the dry weight proportion of the water-stable material used for the road subgrade is 5% of cement, 32% of slag powder ash, 36% of coarse aggregate, 24% of fine aggregate, 2% of retarder, 1% of additive and 6% of water addition amount by dry weight; the main components of the additive are 20% of sodium monofluorophosphate, 40% of sodium alginate, 15% of cellulose and 25% of polycarboxylic acid by mass, the coarse aggregate can be blast furnace slag, slag powder ash is obtained by crushing, drying, grinding and sieving with a 325-mesh sieve coal slag, and the slag powder is prepared by mixing the slag powder with fly ash according to the proportion of 1:0.6, and the volcanic ash activity of the additive is superior to that of the grade II fly ash, and the cost is lower, so that the additive is applicable to the porous structure of the blast furnace slag.
The water stable material for road bed includes cement, water, slag powder ash, additive, coarse aggregate and fine aggregate, and includes the following steps:
s1, pre-calculating the construction consumption of the water-stable material of the roadbed at the stage through measurement and calculation;
s2, detecting the water content of the fine aggregate by an alcohol combustion method, calculating the actual water consumption under the construction amount according to the construction consumption of the water-stable material and the actual water content proportion, reducing the quality problem caused by the actual water content, and improving the material stability;
s3, adding water according to the actual water consumption in the water stable stirring station, adding cement with a corresponding proportion, and continuously stirring for 15min to form a cement substrate;
s4, after the stirring is finished, adding fine aggregate and slag powder ash into the cement substrate, and stirring for 20 minutes again to form mortar;
and S5, continuously stirring after the mortar is stirred, adding coarse aggregate, retarder and additive during stirring, stirring for 30min, and continuously stirring to ensure that the mortar is not solidified before use.
Embodiment III:
the present embodiment is different from the first embodiment and the second embodiment in that: the water stable material for road bed consists of cement 3 wt%, slag powder ash 30-34 wt%, coarse aggregate 32-40 wt%, fine aggregate 24-28 wt%, retarder 1.5-2 wt%, additive 1-1.5 wt% and water 5 wt%; the main components of the additive are 35% of sodium monofluorophosphate, 25% of sodium alginate, 15% of cellulose and 25% of polycarboxylic acid, coarse aggregate can be crushed stone, slag powder ash is coal slag, and the coal slag powder is obtained by crushing, drying, grinding and sieving with a 325-mesh sieve, and then the coal slag powder is mixed with the coal ash according to the proportion of 1:0.8, so that the volcanic ash activity is superior to that of the grade II coal ash, and the cost is lower.
The water stable material for road bed includes cement, water, slag powder ash, additive, coarse aggregate and fine aggregate, and includes the following steps:
s1, pre-calculating the construction consumption of the water-stable material of the roadbed at the stage through measurement and calculation;
s2, detecting the water content of the fine aggregate by an alcohol combustion method, calculating the actual water consumption under the construction amount according to the construction consumption of the water-stable material and the actual water content proportion, reducing the quality problem caused by the actual water content, and improving the material stability;
s3, adding water according to the actual water consumption in the water stable stirring station, adding cement with a corresponding proportion, and continuously stirring for 10min to form a cement substrate;
s4, after the stirring is finished, adding fine aggregate and slag powder ash into the cement substrate, and stirring for 20 minutes again to form mortar;
s5, continuously stirring after the mortar is stirred, adding coarse aggregate, retarder and additive during stirring, stirring for 45min, and continuously stirring to ensure that the mortar is not solidified before use;
the water-stable material of the invention improves the pozzolanic activity of ash by using slag powder ash generated by mixing coal slag powder and fly ash, effectively utilizes coal slag resources under the condition of effectively improving the quality of mortar, improves the utilization rate of resources, can effectively improve the mechanical strength and workability of water-stable layer concrete by matching retarder and additive, and can reduce the water consumption of the concrete.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A water stable material for use in a roadway subgrade, comprising: the dry weight ratio of the water-stable material is 3-5% of cement, 30-34% of slag powder ash, 32-40% of coarse aggregate, 24-28% of fine aggregate, 1.5-2% of retarder, 1-1.5% of additive and the water adding amount is 4-6% of dry weight.
2. The water stable material for road bed includes cement, water, slag powder ash, additive, coarse aggregate and fine aggregate, and features that: the method comprises the following steps:
s1, pre-calculating the construction consumption of the water-stable material of the roadbed at the stage through measurement and calculation;
s2, detecting the water content of the fine aggregate by an alcohol combustion method, and calculating the actual water consumption under the construction amount according to the construction consumption of the water-stable material and the actual water content proportion;
s3, adding water according to the actual water consumption in the water stable stirring station, adding cement with a corresponding proportion, and continuously stirring for 10-15min to form a cement substrate;
s4, after the stirring is finished, adding fine aggregate and slag powder ash into the cement substrate, and stirring for 20-25min again to form mortar;
and S5, continuously stirring after the mortar is stirred, adding coarse aggregate, retarder and additive during stirring, stirring for 30-45min, and continuously stirring to ensure that the mortar is not solidified before use.
3. A water stable material for road foundations according to claim 1, wherein: the main components of the additive are 20-35% of sodium monofluorophosphate, 25-55% of sodium alginate, 10-15% of cellulose and 15-25% of polycarboxylic acid by mass percent.
4. A water stable material for road foundations according to claim 1, wherein: the coarse aggregate may be crushed stone, recycled concrete or blast furnace slag.
5. A water stable material for road foundations according to claim 1, wherein: the slag powder ash is prepared by crushing, drying, grinding and sieving coal slag with a 325-mesh sieve to obtain slag powder, and mixing the slag powder with fly ash according to the proportion of 1:0.6-0.8, wherein the volcanic ash activity of the slag powder ash is superior to that of the grade II fly ash, and the cost is lower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211565796.6A CN116239342A (en) | 2022-12-07 | 2022-12-07 | Water stable material for road subgrade and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211565796.6A CN116239342A (en) | 2022-12-07 | 2022-12-07 | Water stable material for road subgrade and preparation method thereof |
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| Publication Number | Publication Date |
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| CN116239342A true CN116239342A (en) | 2023-06-09 |
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| CN202211565796.6A Pending CN116239342A (en) | 2022-12-07 | 2022-12-07 | Water stable material for road subgrade and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117923846A (en) * | 2024-03-25 | 2024-04-26 | 中铁二十三局集团有限公司 | Waste slag water stable material proportion externally doped with basalt fibers and evaluation method thereof |
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| CN110304884A (en) * | 2019-08-07 | 2019-10-08 | 交通运输部公路科学研究所 | A kind of cement ardealite stabilization gravel material and its preparation method and application for roadbase |
| CN113698164A (en) * | 2021-08-11 | 2021-11-26 | 李涛 | Anti-cracking and anti-settling road water-stable layer material and preparation method thereof |
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2022
- 2022-12-07 CN CN202211565796.6A patent/CN116239342A/en active Pending
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| CN104876477A (en) * | 2015-04-10 | 2015-09-02 | 同济大学 | Stable regeneration method of cement fly-ash gravel base reclaimed material cement based on mortar content control |
| CN107352896A (en) * | 2017-06-30 | 2017-11-17 | 南昌工程学院 | A kind of cinder powder regenerated aggregate concrete and preparation method thereof |
| CN108640635A (en) * | 2018-06-11 | 2018-10-12 | 南昌工程学院 | Cinder powder magnesium oxysulfide concrete stable regeneration concrete aggregate and preparation method thereof |
| CN108996971A (en) * | 2018-09-25 | 2018-12-14 | 三峡大学 | A kind of preparation method of road basement material |
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| CN113698164A (en) * | 2021-08-11 | 2021-11-26 | 李涛 | Anti-cracking and anti-settling road water-stable layer material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117923846A (en) * | 2024-03-25 | 2024-04-26 | 中铁二十三局集团有限公司 | Waste slag water stable material proportion externally doped with basalt fibers and evaluation method thereof |
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