CN118108464A - Calcium-silicon clay-based recycled aggregate and manufacturing method thereof - Google Patents
Calcium-silicon clay-based recycled aggregate and manufacturing method thereof Download PDFInfo
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- CN118108464A CN118108464A CN202410257880.4A CN202410257880A CN118108464A CN 118108464 A CN118108464 A CN 118108464A CN 202410257880 A CN202410257880 A CN 202410257880A CN 118108464 A CN118108464 A CN 118108464A
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- 239000004927 clay Substances 0.000 title claims abstract description 107
- OSMSIOKMMFKNIL-UHFFFAOYSA-N calcium;silicon Chemical compound [Ca]=[Si] OSMSIOKMMFKNIL-UHFFFAOYSA-N 0.000 title claims abstract description 89
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 35
- 239000002699 waste material Substances 0.000 claims abstract description 34
- 239000002689 soil Substances 0.000 claims abstract description 31
- 239000002245 particle Substances 0.000 claims abstract description 20
- 239000002994 raw material Substances 0.000 claims abstract description 17
- 238000001125 extrusion Methods 0.000 claims abstract description 13
- 239000004568 cement Substances 0.000 claims abstract description 8
- 239000000843 powder Substances 0.000 claims abstract description 8
- 238000002791 soaking Methods 0.000 claims abstract description 8
- 239000004576 sand Substances 0.000 claims abstract description 7
- 239000002893 slag Substances 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 35
- 239000011499 joint compound Substances 0.000 claims description 14
- 238000010521 absorption reaction Methods 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 12
- 238000005303 weighing Methods 0.000 claims description 12
- 238000012423 maintenance Methods 0.000 claims description 6
- 239000012258 stirred mixture Substances 0.000 claims description 6
- 239000011398 Portland cement Substances 0.000 claims description 5
- 239000008399 tap water Substances 0.000 claims description 2
- 235000020679 tap water Nutrition 0.000 claims description 2
- 239000011230 binding agent Substances 0.000 claims 1
- 238000000926 separation method Methods 0.000 abstract description 4
- 239000002002 slurry Substances 0.000 abstract description 4
- 239000002910 solid waste Substances 0.000 abstract description 4
- 238000004064 recycling Methods 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 17
- 238000010276 construction Methods 0.000 description 10
- 238000010998 test method Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000004567 concrete Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000011449 brick Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003469 silicate cement Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical class [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 239000000149 chemical water pollutant Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910003480 inorganic solid Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010865 sewage Substances 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
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- 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
- C04B18/02—Agglomerated materials, e.g. artificial aggregates
- C04B18/021—Agglomerated materials, e.g. artificial aggregates agglomerated by a mineral binder, e.g. cement
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00017—Aspects relating to the protection of the environment
-
- 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)
- Ceramic Engineering (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a calcium-silicon clay-based recycled aggregate and a manufacturing method thereof, wherein the raw materials of the calcium-silicon clay-based recycled aggregate comprise: the clay base material is engineering waste soil, the engineering waste soil is residual mud after the separation of engineering slag, soil and sand, the residual mud is naturally aired and then crushed into powder particles with the particle size smaller than 2.36mm, and the admixture is quick hardening sulphoaluminate cement; and adding the weighed and stirred slurry into extrusion molding equipment, extruding into aggregate with at least part of arched structure, and carrying out indoor curing or soaking curing on the extruded calcium-silicon clay-based recycled aggregate. The raw materials of the calcium-silicon clay-based recycled aggregate used by the invention are cheap and easy to obtain, so that the technical problem of high-efficiency and high-added-value recycling of engineering waste solid waste is effectively solved.
Description
Technical Field
The invention belongs to the technical field of recycled aggregate, and particularly relates to a calcium-silicon clay-based recycled aggregate and a manufacturing method thereof.
Background
The construction waste occupies a large amount of land resources in the stacking process, and the problems of soil salinization, dust pollution and the like exist; harmful gases which pollute the air can be generated due to the decomposition of organic matters, and sewage such as landfill leachate generated under the action of rainwater and underground water can pollute surrounding soil and water, so that the health and ecological safety of a human body are finally affected.
Engineering muck (also called building muck, residual mud muck or building residual mud muck) is one of building wastes, and refers to inorganic solid wastes such as waste slag, waste soil, slurry and concretes generated in construction processes such as underground space excavation and site leveling; the slag mainly refers to construction wastes such as concrete blocks, bricks and the like, the soil is undisturbed sub-clay with the plasticity index of about 12 in a construction site, the soil generated in the process of separating and treating the construction wastes is called separating waste soil, and the soil generated in the process of excavating and leveling the site is called engineering produced soil.
The Germany and the Japan adopt source classification measures on construction wastes in the whole country, waste concrete mortar and aggregate thermal separation technology which are commonly developed by the Tokyo electric company and the clear water construction company in Japan are adopted, the Korean 'Li Fum system' company is used for carrying out high-temperature heat treatment at 700 ℃ on cement in the construction wastes to obtain regenerated cement with better performance, and the regenerated aggregate and cement micro powder obtained by the European construction waste recovery technology research project C2CA (www.c2ca.eu) are cleaner and can be used for producing concrete at low cost. However, at present, the treatment of engineering dregs, especially engineering produced soil, mainly comprises the steps of outward transportation, landfill, mountain piling and landscaping, taking the engineering produced soil as planting soil, consolidating the dregs as road materials, manufacturing baking-free bricks, sintered bricks (ceramsite) and the like, and the complete set production equipment and the complete set production process of slurry wastes with large water content, which can treat the engineering produced soil in a large-scale and high-added-value manner, are lacking.
Disclosure of Invention
Aiming at the technical problems of the existing engineering that the produced slurry waste with large soil and water content lacks effective resource utilization, the invention provides the calcium-silicon clay-based recycled aggregate.
The invention provides a calcium-silicon clay-based recycled aggregate, wherein at least part of the calcium-silicon clay-based recycled aggregate is arched;
The calcium-silicon clay-based recycled aggregate comprises the following raw materials in parts by weight: 64.5 to 79.6 parts of clay base material, 18.5 to 29.0 parts of calcium-silicon cementing material, 0 to 0.4 part of admixture and 0 to 7.4 parts of water;
further, the clay base material is engineering waste soil, and the engineering waste soil is powder particles with the particle size smaller than 2.36mm after natural airing of residual mud after separation of engineering slag soil, mud and sand.
Further, the water content of the engineering spoil is 11.6% -38.1%.
Further, the calcium-silicon-based cementing material is 42.5-grade ordinary Portland cement.
Further, the admixture is quick hardening sulphoaluminate cement.
Further, the two opposite sides of the calcium-silicon clay-based recycled aggregate are both of an arch structure, and the middle part is of an edge structure protruding outwards.
Another object of the present invention is to provide a method for manufacturing a calcic-siliceous clay-based recycled aggregate, the method comprising the steps of:
S1, setting the parts by weight of the raw materials of the calcium-silicon clay-based recycled aggregate through a control system of production equipment of the calcium-silicon clay-based recycled aggregate;
s2, weighing raw materials of the calcium-silicon clay-based recycled aggregate according to a designed proportion, weighing two parts of clay base materials, wherein the mass percentages of the first part and the second part are respectively 70% and 30%, adding the weighed calcium-silicon cementing material into the first part of clay material, stirring, and then adding the second part of clay base material, the admixture and water for stirring;
s3, adding the stirred mixture into a calcium-silicon clay-based recycled aggregate extrusion molding device, and extruding the calcium-silicon clay-based recycled aggregate;
s4, performing indoor maintenance and soaking maintenance on the calcium-silicon clay-based recycled aggregate.
Further, the particle size of the calcium-silicon clay-based recycled aggregate is 10mm, 20mm and 30mm.
Further, the cylinder pressure of the calcium-silicon clay-based recycled aggregate is more than 1.7MPa, the crushing index is less than 29.8%, the water absorption rate is less than 20.3% in 1 hour, and the bulk density is less than 1121kg/m 3.
And further, the indoor curing of the calcium-silicon clay-based recycled aggregate is to directly place the calcium-silicon clay-based recycled aggregate in the room for curing, and the soaking curing is to soak the calcium-silicon clay-based recycled aggregate in tap water for curing after the indoor curing is carried out for 1 d.
The invention adopts extrusion molding technology to carry out high-efficiency resource utilization on engineering waste soil, and the used clay base material is cheap and easy to obtain, thus not only enriching the manufacturing technology of recycled aggregate in the building field, but also effectively improving the resource utilization rate and the added value of the recycled aggregate, being capable of large-scale engineering application and reducing the engineering construction cost; the produced calcium-silicon clay-based recycled aggregate can be recycled after being discarded, so that the technical problem of high added value recycling of engineering waste soil is effectively solved.
Drawings
FIG. 1 is a schematic view of an ellipsoidal calcium-silicon clay-based recycled aggregate.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.
Example 1
The calcium-silicon clay-based recycled aggregate comprises the following raw materials in parts by weight: 64.5 parts of engineering waste soil with the water content of 11.6 percent, 29.0 parts of 42.5-grade ordinary Portland cement and 6.5 parts of water, wherein the engineering waste soil is powder particles with the particle size of less than 2.36mm after naturally airing residual mud after separating engineering dregs and mud sand. Weighing raw materials of the calcium-silicon clay-based recycled aggregate according to a designed proportion, weighing two clay base materials, wherein the mass percentages of the first part and the second part are respectively 70% and 30%, adding the weighed calcium-silicon cementing material into the first part of clay material, stirring, adding the second part of clay base material, adding the weighed water, and stirring; adding the stirred mixture into a calcium-silicon clay-based recycled aggregate extrusion molding device, and extruding the calcium-silicon clay-based recycled aggregate; and (3) performing indoor curing and soaking curing on the calcium-silicon clay-based recycled aggregate, wherein the soaking curing is performed after the calcium-silicon clay-based recycled aggregate is subjected to indoor curing for 1 d. The aggregate produced by the extrusion molding equipment is elliptic as shown in figure 1, and the particle size is 20mm; the results of the test of the bulk density, the 1h water absorption rate, the barrel pressure strength and the crushing index of the calcium-silicon clay-based recycled aggregate are shown in table 1, and the crushing index and the bulk density test are reference standards: highway engineering aggregate test protocol (JTG/E42-2005), water absorption and cylinder pressure test reference standard: lightweight aggregate and test method therefor-part 2: lightweight aggregate test methods (GB/T17431.2-2010).
Example 2
The calcium-silicon clay-based recycled aggregate comprises the following raw materials in parts by weight: 74.1 parts of engineering waste soil with the water content of 11.6 percent, 18.5 parts of 42.5-grade ordinary Portland cement and 7.4 parts of water, wherein the engineering waste soil is powder particles with the particle size of less than 2.36mm after naturally airing residual mud after separating engineering dregs and mud sand. Weighing raw materials of the calcium-silicon clay-based recycled aggregate according to a designed proportion, weighing two clay base materials, wherein the mass percentages of the first part and the second part are respectively 70% and 30%, adding the weighed calcium-silicon cementing material into the first part of clay material, stirring, adding the second part of clay base material, adding the weighed water, and stirring; adding the stirred mixture into a calcium-silicon clay-based recycled aggregate extrusion molding device, and extruding the calcium-silicon clay-based recycled aggregate; and (3) performing indoor curing and soaking curing on the calcium-silicon clay-based recycled aggregate, wherein the soaking curing is performed after the calcium-silicon clay-based recycled aggregate is subjected to indoor curing for 1 d. The aggregate produced by the extrusion molding equipment is elliptic as shown in figure 1, and the particle size is 20mm; the results of the test of the bulk density, the 1h water absorption rate, the barrel pressure strength and the crushing index of the calcium-silicon clay-based recycled aggregate are shown in table 1, and the crushing index and the bulk density test are reference standards: highway engineering aggregate test protocol (JTG/E42-2005), water absorption and cylinder pressure test reference standard: lightweight aggregate and test method therefor-part 2: lightweight aggregate test methods (GB/T17431.2-2010).
Example 3
The calcium-silicon clay-based recycled aggregate comprises the following raw materials in parts by weight: 79.1 parts of engineering waste soil with the water content of 38.1 percent, 20.5 parts of 42.5-grade ordinary silicate cement and 0.4 part of quick hardening sulphoaluminate cement, wherein the engineering waste soil is powder particles with the particle size of less than 2.36mm obtained by naturally airing the residual mud after the separation of engineering slag soil and mud sand. Weighing raw materials of the calcium-silicon clay-based recycled aggregate according to a designed proportion, weighing two clay base materials, wherein the mass percentages of the first part and the second part are respectively 70% and 30%, adding the weighed calcium-silicon cementing material into the first part of clay material, stirring, adding the second part of clay base material, adding the weighed water, and stirring; adding the stirred mixture into a calcium-silicon clay-based recycled aggregate extrusion molding device, and extruding the calcium-silicon clay-based recycled aggregate; and (3) performing indoor maintenance on the calcium-silicon clay-based recycled aggregate. The aggregate produced by the extrusion molding equipment is elliptic, and the particle size is 10mm, 20mm and 30mm as shown in figure 1; the results of the test of the bulk density, the 1h water absorption, the barrel pressure strength and the crushing index of the calcium-silicon clay-based recycled aggregate are shown in table 2, and the crushing index and the bulk density test are reference standards: highway engineering aggregate test protocol (JTG/E42-2005), water absorption and cylinder pressure test reference standard: lightweight aggregate and test method therefor-part 2: lightweight aggregate test methods (GB/T17431.2-2010).
Example 4
The calcium-silicon clay-based recycled aggregate comprises the following raw materials in parts by weight: 79.6 parts of engineering waste soil with the water content of 38.1% and 20.4 parts of 42.5-grade ordinary Portland cement, wherein the engineering waste soil is powder particles with the particle size of less than 2.36mm obtained by naturally airing residual mud after separating engineering dregs and mud and sand. Weighing raw materials of the calcium-silicon clay-based recycled aggregate according to a designed proportion, weighing two clay base materials, wherein the mass percentages of the first part and the second part are respectively 70% and 30%, adding the weighed calcium-silicon cementing material into the first part of clay material, stirring, adding the second part of clay base material, adding the weighed water, and stirring; adding the stirred mixture into a calcium-silicon clay-based recycled aggregate extrusion molding device, and extruding the calcium-silicon clay-based recycled aggregate; and (3) performing indoor maintenance on the calcium-silicon clay-based recycled aggregate. The aggregate produced by the extrusion molding equipment is elliptic, and the particle size is 10mm, 20mm and 30mm as shown in figure 1; the results of the test of the bulk density, the 1h water absorption, the barrel pressure strength and the crushing index of the calcium-silicon clay-based recycled aggregate are shown in table 2, and the crushing index and the bulk density test are reference standards: highway engineering aggregate test protocol (JTG/E42-2005), water absorption and cylinder pressure test reference standard: lightweight aggregate and test method therefor-part 2: lightweight aggregate test methods (GB/T17431.2-2010).
TABLE 1 test results of the bulk Density, 1h Water absorption, cartridge Strength and crushing index of Clay-based recycled aggregate of calcium silicate series 1
TABLE 2 results of measurement of bulk Density, 1h Water absorption, cartridge Strength and crush index of Clay-based recycled aggregate 2
According to the calcium-silicon clay-based recycled aggregate, the calcium-silicon cementing material, the admixture and the water are added and integrally formed by utilizing an extrusion technology, so that the calcium-silicon clay-based recycled aggregate has the advantages of being quick in forming, low in manufacturing cost, free of raw material waste in the forming process and the like, and the engineering waste solid waste is fully prepared into the recycled aggregate capable of meeting engineering requirements, so that the efficient resource utilization of the engineering waste solid waste is realized.
The calcium-silicon clay-based recycled aggregate is designed into an arch shape, so that the advantage of high compressive strength of the arch structure is effectively exerted, and meanwhile, the advantages of high compressive strength and good water resistance of the common silicate cement and the quick hardening sulphoaluminate cement are fully exerted, so that the calcium-silicon clay-based recycled aggregate is firmer.
Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solution of the present application and not for limiting the same, and although the present application has been described in detail with reference to the above-mentioned embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made to the specific embodiments of the present application after reading the present specification, and these modifications and variations do not depart from the scope of the application as claimed in the pending claims.
Claims (10)
1. The calcium-silicon clay-based recycled aggregate is characterized in that at least part of the calcium-silicon clay-based recycled aggregate is arched;
The calcium-silicon clay-based recycled aggregate comprises the following raw materials in parts by weight: 64.5 to 79.6 portions of clay base material, 18.5 to 29.0 portions of calcium-silicon cementing material, 0 to 0.4 portion of admixture and 0 to 7.4 portions of water.
2. The recycled calcium-silicon clay-based aggregate according to claim 1, wherein the clay base material is engineering waste, and the engineering waste is powder particles with the particle size smaller than 2.36mm after naturally airing the residual mud after separating engineering slag, mud and sand.
3. The calcium-silicon clay-based recycled aggregate according to claim 2, wherein the engineering waste soil has a water content of 11.6% -38.1%.
4. The recycled calcium-silicon clay-based aggregate according to claim 1, wherein the calcium-silicon-based binder is 42.5 grade portland cement.
5. The recycled calcium-silicon clay-based aggregate according to claim 1, wherein the admixture is quick hardening sulfoaluminate cement.
6. The recycled calcium-silicon clay-based aggregate according to claim 1, wherein opposite sides of the recycled calcium-silicon clay-based aggregate are of an arch structure, and a middle part is of an edge structure protruding outwards.
7. A method for producing a calcic-siliceous clay-based recycled aggregate according to any one of claims 1 to 6, comprising the steps of:
S1, setting the parts by weight of the raw materials of the calcium-silicon clay-based recycled aggregate through a control system of production equipment of the calcium-silicon clay-based recycled aggregate;
s2, weighing raw materials of the calcium-silicon clay-based recycled aggregate according to a designed proportion, weighing two parts of clay base materials, wherein the mass percentages of the first part and the second part are respectively 70% and 30%, adding the weighed calcium-silicon cementing material into the first part of clay material, stirring, and then adding the second part of clay base material, the admixture and water for stirring;
s3, adding the stirred mixture into a calcium-silicon clay-based recycled aggregate extrusion molding device, and extruding the calcium-silicon clay-based recycled aggregate;
s4, performing indoor maintenance and soaking maintenance on the calcium-silicon clay-based recycled aggregate.
8. The method for producing a recycled calcium-silicon-based clay-based aggregate according to claim 7, wherein the recycled calcium-silicon-based clay-based aggregate has a particle size of 10mm, 20mm, or 30mm.
9. The method for producing a recycled calcium-silicon clay-based aggregate according to claim 7, wherein the recycled calcium-silicon clay-based aggregate has a cylinder pressure of more than 1.7MPa, a crush index of less than 29.8%, a water absorption of less than 20.3% for 1 hour, and a bulk density of less than 1121kg/m 3.
10. The method for producing a recycled calcium-silicon clay-based aggregate according to claim 7, wherein the indoor curing of the recycled calcium-silicon clay-based aggregate is performed by directly placing the recycled calcium-silicon clay-based aggregate in the room, and the submerged curing is performed by immersing the recycled calcium-silicon clay-based aggregate in tap water after 1d of indoor curing.
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| CN202410257880.4A CN118108464A (en) | 2024-03-06 | 2024-03-06 | Calcium-silicon clay-based recycled aggregate and manufacturing method thereof |
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| CN202410257880.4A CN118108464A (en) | 2024-03-06 | 2024-03-06 | Calcium-silicon clay-based recycled aggregate and manufacturing method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011251883A (en) * | 2010-06-03 | 2011-12-15 | Kumano Giken:Kk | Regeneration treatment method of regenerated aggregate |
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| CN111170669A (en) * | 2019-12-30 | 2020-05-19 | 同济大学 | Artificial recycled aggregate prepared from engineering waste soil and preparation method thereof |
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| KR20220052733A (en) * | 2020-10-21 | 2022-04-28 | (주)케이윤개발 | Concrete sidewalk block manufacturing method using recycled aggregate |
-
2024
- 2024-03-06 CN CN202410257880.4A patent/CN118108464A/en active Pending
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| JP2011251883A (en) * | 2010-06-03 | 2011-12-15 | Kumano Giken:Kk | Regeneration treatment method of regenerated aggregate |
| CN102757208A (en) * | 2012-07-20 | 2012-10-31 | 济南大学 | Size and method for treating recycled coarse aggregates |
| CN110590211A (en) * | 2018-08-30 | 2019-12-20 | 上海市市政规划设计研究院有限公司 | Method for producing recycled aggregate by using sorted decoration garbage as raw material |
| CN111170669A (en) * | 2019-12-30 | 2020-05-19 | 同济大学 | Artificial recycled aggregate prepared from engineering waste soil and preparation method thereof |
| KR20220052733A (en) * | 2020-10-21 | 2022-04-28 | (주)케이윤개발 | Concrete sidewalk block manufacturing method using recycled aggregate |
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