CN114560658A - Novel cement-stabilized construction waste material - Google Patents
Novel cement-stabilized construction waste material Download PDFInfo
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- CN114560658A CN114560658A CN202210241800.7A CN202210241800A CN114560658A CN 114560658 A CN114560658 A CN 114560658A CN 202210241800 A CN202210241800 A CN 202210241800A CN 114560658 A CN114560658 A CN 114560658A
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- 239000002699 waste material Substances 0.000 title claims abstract description 144
- 238000010276 construction Methods 0.000 title claims abstract description 124
- 239000000463 material Substances 0.000 claims abstract description 56
- 239000010426 asphalt Substances 0.000 claims abstract description 53
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 27
- 239000011707 mineral Substances 0.000 claims abstract description 27
- 239000004568 cement Substances 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229920000915 polyvinyl chloride Polymers 0.000 claims abstract description 11
- 239000004800 polyvinyl chloride Substances 0.000 claims abstract description 11
- 239000011347 resin Substances 0.000 claims abstract description 11
- 229920005989 resin Polymers 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 10
- 239000010959 steel Substances 0.000 claims abstract description 10
- 239000000835 fiber Substances 0.000 claims abstract description 9
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 239000002245 particle Substances 0.000 claims description 79
- 239000011449 brick Substances 0.000 claims description 8
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 239000004566 building material Substances 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 29
- 239000010813 municipal solid waste Substances 0.000 description 20
- 239000011398 Portland cement Substances 0.000 description 14
- 230000000052 comparative effect Effects 0.000 description 11
- 238000005056 compaction Methods 0.000 description 8
- 229920006395 saturated elastomer Polymers 0.000 description 8
- 239000004567 concrete Substances 0.000 description 7
- 239000002689 soil Substances 0.000 description 6
- 230000008929 regeneration Effects 0.000 description 5
- 238000011069 regeneration method Methods 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 239000002344 surface layer Substances 0.000 description 5
- 239000011148 porous material Substances 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000002440 industrial waste Substances 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 239000012492 regenerant Substances 0.000 description 2
- 239000011382 roller-compacted concrete Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000003469 silicate cement Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
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- 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
- 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
-
- 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
Abstract
The application relates to the field of building materials, and particularly discloses a novel cement-stabilized building waste material. The novel cement-stabilized construction waste material comprises the following raw materials in parts by weight: 4-6 parts of cement, 6-10 parts of water, 8-15 parts of polyvinyl chloride resin, 5-8 parts of steel fiber and 100 parts of environment-friendly mineral aggregate, wherein the environment-friendly mineral aggregate comprises 40-100 wt% of construction waste and 0-60 wt% of recycled asphalt old material; taking the environment-friendly mineral aggregate as 100wt% as a reference; when the construction waste accounts for 100wt%, the cement is 6 parts. The novel cement stabilized construction waste material has the advantages of high compactness, high compressive strength, economy and environmental protection, and can be used for paving a road structure layer.
Description
Technical Field
The application relates to the field of building materials, in particular to a novel cement-stabilized building waste material.
Background
The pavement structure generally comprises a cushion layer, a subbase layer, a base layer and a surface layer, wherein the cushion layer is positioned at the lowest layer and is generally paved at a section with poor soil-based water temperature condition so as to ensure that the base layer and the surface layer are not influenced by the poor soil-based water temperature condition; the subbase layer is positioned above the cushion layer and used for strengthening the bearing and load transmission of the base layer; the base layer is positioned above the underlayer and is used for bearing the vertical force of the vehicle load transmitted by the surface layer; the surface layer is arranged above the base layer and is used for bearing the vertical force and the horizontal force of larger driving load and simultaneously influenced by the erosion of precipitation and the change of air temperature.
In the related art, when the pavement is paved, the cushion layer is usually made of sand or gravel; the sub-base layer is usually selected from graded broken stones; the base layer is usually made of cement stabilized soil, lime industrial waste residue stabilized soil, cement concrete or roller compacted concrete; the surface course is usually cement concrete surface course or asphalt surface course.
In view of the above-mentioned related art, the inventors believe that the pavement using the above-mentioned materials has a problem of high cost.
Disclosure of Invention
In order to reduce and lay the road surface cost, this application provides a novel material of cement stabilization building rubbish.
The application provides a pair of cement stabilized construction waste novel material adopts following technical scheme:
a novel cement-stabilized construction waste material is prepared from the following raw materials in parts by weight: 4-6 parts of cement, 6-10 parts of water, 8-15 parts of polyvinyl chloride resin, 5-8 parts of steel fiber and 100 parts of environment-friendly mineral aggregate;
wherein the environment-friendly mineral aggregate comprises 40-100 wt% of construction waste and 0-60 wt% of old reclaimed asphalt; taking the environment-friendly mineral aggregate as 100wt% as a reference;
when the construction waste accounts for 100wt%, the cement is 6 parts.
By adopting the technical scheme, the construction waste and the old recycled asphalt are waste of waste buildings, and the waste of the waste buildings is used as a novel material, so that the investment cost for constructing the novel buildings is greatly saved; in hardness, the difference between the broken particles of the construction waste and new concrete particles is not great; the viscosity of the old regenerated asphalt material is much higher than that of the new asphalt; the particle pores in the crushed construction waste and the old recycled asphalt material are more, so that the old recycled asphalt material can flow into the pores of the crushed construction waste, the crushed construction waste is better bonded, and the overall bonding strength of the environment-friendly mineral aggregate is enhanced; aiming at the defect that the ductility of the old reclaimed asphalt is reduced, the polyvinyl chloride resin is added in the application, the ductility of the old reclaimed asphalt is increased by the polyvinyl chloride resin, and the flowing distance of the old reclaimed asphalt in the construction waste is increased, so that the old reclaimed asphalt can be uniformly dispersed in the pores of the broken construction waste, and the adhesion to the broken construction waste is better; the steel fiber is added to increase the connection stability of the construction waste, and simultaneously, the flow guide is carried out on the regenerated asphalt old material, and the flow distance of the regenerated asphalt old material is increased, so that the dispersity of the regenerated asphalt old material in the construction waste is increased, and the bonding strength of the environment-friendly mineral aggregate is increased. The novel building garbage material formed by combining the raw materials has high compaction degree, high compressive strength and lower cost.
The building waste and the old reclaimed asphalt material are added in a proper proportion, so that the compression strength of the environment-friendly mineral aggregate can be ensured to be higher, and the viscoelasticity of the environment-friendly mineral aggregate can be ensured to be better; even if the used recycled asphalt accounts for 0wt%, the construction waste can be used as a novel construction waste material.
Optionally, when the construction waste accounts for 40wt% -80 wt%, the old regenerated asphalt accounts for 20wt% -60 wt%.
By adopting the technical scheme, the proportion of the construction waste and the recycled asphalt old material is further refined, and the novel construction waste material formed by the construction waste and the recycled asphalt old material can keep higher compressive strength while keeping higher compactness.
Optionally, when the construction waste accounts for 40wt%, the used recycled asphalt material accounts for 60wt%, and the construction waste comprises 20wt% of particles with the particle size of 0-5mm and 20wt% of particles with the particle size of 20-30 mm.
By adopting the technical scheme, the construction waste with the small particle size of 0-5mm and the construction waste with the large particle size of 20-30mm are combined, so that the construction waste with the small particle size of 0-5mm can be embedded into the construction waste holes with the large particle size of 20-30mm, the overall compressive strength of the construction waste is improved, and therefore, the novel construction waste material prepared from the construction waste is high in compaction degree, high in compressive strength and low in cost.
Optionally, when the construction waste accounts for 60wt%, the used recycled asphalt material accounts for 40wt%, and the construction waste comprises 30wt% of particles with a particle size of 0-5mm, 15wt% of particles with a particle size of 10-20mm, and 15wt% of particles with a particle size of 20-30 mm.
Through adopting above-mentioned technical scheme, when building rubbish accounts for than great, corresponding small-particle size building rubbish also increases in the proportion of whole building rubbish, and when the building rubbish of small-particle size bonded each other, the volume of the old material of regeneration pitch that needs was also less relatively, and the novel material compactness of building rubbish that finally makes is higher, and compressive strength is also higher than the novel material combination of building rubbish of other ratios.
Optionally, when the construction waste accounts for 80wt%, the used recycled asphalt material accounts for 20wt%, and the construction waste comprises 25wt% of particles with a particle size of 0-5mm, 10wt% of particles with a particle size of 5-10mm, 25wt% of particles with a particle size of 10-20mm, and 20wt% of particles with a particle size of 20-30 mm.
Through adopting above-mentioned technical scheme, when building rubbish account for than great in the environmental protection mineral aggregate, the building rubbish particle diameter is 0~5mm, 5~10mm, 10~20mm and 20~30mm respectively, and the building rubbish particle diameter that increases step by step can form the gradation, then this building rubbish only need mix a small amount of regeneration pitch old material, just can make the novel material of building rubbish that compressive strength is higher.
Optionally, when the construction waste accounts for 100wt%, the used recycled asphalt material accounts for 0wt%, and the construction waste comprises 30wt% of particles with a particle size of 0-5mm, 10wt% of particles with a particle size of 5-10mm, 25wt% of particles with a particle size of 10-20mm, and 35wt% of particles with a particle size of 20-30 mm.
By adopting the technical scheme, when the construction waste accounts for 100wt%, the environmental-friendly mineral aggregate formed by the construction waste in a stepwise grading manner has higher compactness, but the construction waste is lack of the addition of the old regenerated asphalt material, so that the overall bonding performance of the novel construction waste material is reduced, and the compactness is not high; and only when the addition amount of the cement in the environment-friendly mineral aggregate is 6 parts, the prepared novel building waste material can be used for paving a basic road.
Optionally, the particles with the size of 0-5mm are formed by crushing brick residues.
Through adopting above-mentioned technical scheme, because 0~5 mm's particle diameter undersize, it is higher to need the cost with concrete type building rubbish breakage to 0~5mm, consequently smashes into 0~5 mm's granule with the brick sediment, can satisfy building rubbish's small-particle diameter granule and fill, consequently this building rubbish novel material's that forms compressive strength is high.
Optionally, the novel cement-stabilized construction waste material is used for a subbase of a road.
By adopting the technical scheme, the road subbase layer is used for strengthening the base layer to bear and transfer load, and the subbase layer is usually selected from graded broken stones, so that the road subbase layer can be used for building the road subbase layer no matter what the proportion of the construction waste in the environment-friendly mineral aggregate is.
Optionally, the novel cement-stabilized construction waste material is used for a base layer of a road.
By adopting the technical scheme, the novel building waste material prepared from the environment-friendly mineral aggregate has higher compaction degree and higher compressive strength because the environment-friendly mineral aggregate contains the building waste and the old reclaimed asphalt; the road base layer is used for bearing the vertical force of vehicle load transmitted by the surface layer, and is usually made of cement stabilized soil, lime industrial waste residue stabilized soil, cement concrete or roller compacted concrete, so that the novel construction waste material containing the construction waste and the recycled asphalt old material can be used for constructing the road base layer.
In summary, the present application has the following beneficial effects:
1. the construction waste and the old recycled asphalt material are waste of waste buildings, the waste of the waste buildings is used as a novel material, the investment cost for constructing the novel buildings is greatly saved, the difference between the hardness of the construction waste and new concrete is not large, the viscosity of the old recycled asphalt material is far higher than that of new asphalt, the ductility of the old recycled asphalt material is increased by polyvinyl chloride resin, and the novel construction waste material formed by combining the raw materials has high compaction degree and high compressive strength;
2. when the construction waste accounts for a large amount in the environment-friendly mineral aggregate, the particle sizes of the construction waste are respectively 0-5mm, 5-10mm, 10-20mm and 20-30mm, the gradually increased particle sizes of the construction waste can form gradation, and the construction waste can be prepared into a novel construction waste material with high compressive strength only by doping a small amount of recycled asphalt old material;
3. contain building rubbish and the old material of regeneration pitch jointly in the environmental protection mineral aggregate in this application, and the novel material of building rubbish that this environmental protection mineral aggregate made's compactness and compressive strength are all higher, and the novel material of building rubbish that contains building rubbish and the old material of regeneration pitch jointly can be used for the construction of road subbase and basic unit.
Detailed Description
The present application will be described in further detail with reference to examples and comparative examples.
The novel cement-stabilized construction waste material is provided with the following raw material sources of the examples and the comparative examples: the construction waste comes from the demolition of construction waste such as construction cement blocks, road edges, cement pavements and the like; the old asphalt material comes from the demolition of a waste highway; the brick slag is from the demolition of waste brick buildings; the regenerant is purchased from petrochemical additive Limited; the cement is Portland cement P.O42.5, and the cement and the rest raw materials can be purchased in the market.
Example 1
A novel material for stabilizing construction waste by using portland cement is prepared by the following steps:
step I, pre-preparing environment-friendly mineral aggregate: firstly, manually sorting waste bricks in the construction waste from other construction waste; then, pre-crushing the construction waste and the old asphalt material by using a rotor crusher, removing metal steel bars, plastics and wood by using a magnet separator and a separation table after pre-crushing, and screening the waste bricks in the construction waste by using a double-screen screening machine to obtain brick residues with the thickness of 0-5 mm; screening the rest construction waste to obtain construction waste particles with the particle size grades of 5-10mm, 10-20mm and 20-30 mm;
meanwhile, stirring the crushed old asphalt material and a regenerant accounting for 5wt% of the old asphalt material by using intermittent old asphalt mixture regeneration stirring equipment to obtain an old regenerated asphalt material;
step II, preparing a novel building waste material: sequentially adding water, Portland cement, polyvinyl chloride resin, steel fiber and environment-friendly mineral aggregate into a continuous concrete mixer for stirring, wherein the stirring temperature is normal temperature, and the stirring speed is 25m3/h。
The addition amounts of water, portland cement, polyvinyl chloride resin, steel fibers, construction waste and old reclaimed asphalt in steps II of examples 1 to 10 and comparative examples 1 to 5 are shown in Table 1 below;
TABLE 1
Note: 0-5mm, 5-10mm, 10-20mm and 20-30mm refer to the particle size of the broken construction waste.
Performance test
The novel construction waste materials prepared in the examples 1 to 10 and the comparative examples 1 to 5 are used for performance tests, the detection basis of the compactness and the 7d saturated water unconfined compressive strength is 'Portland cement stabilized construction waste recycled aggregate base course construction technical Specification' (DB 61/T1150-shaped 2018), and the test results are shown in Table 1;
TABLE 1
By combining the examples 1, 2 and 3, it can be seen that the same proportion of the environment-friendly mineral aggregate is adopted in the examples 1, 2 and 3, and in the environment-friendly mineral aggregate with the same proportion, the amount of the polyvinyl chloride resin and the amount of the steel fiber are quantified, and the amount of the portland cement is finely adjusted, so that the amount of water used for dispersing the portland cement is also adjusted to the optimal water consumption value of the novel building waste material, and the result shows that when the weight ratio of the building waste to the old regenerated asphalt is 4:6, the change of the amount of the portland cement has little influence on the compactness and 7d water-saturated unconfined compressive strength of the finally prepared novel building waste material, and the novel building waste material can be used for road base layers of various grades.
In examples 4, 5 and 6, the weight ratio of the construction waste to the old recycled asphalt material is 6:4, compared with examples 1, 2 and 3, the use amount of the construction waste is increased, more particles with the particle size of 0-5mm are used in the construction waste, and when the addition amount of the portland cement is 4kg or 5kg, the compaction degree and 7d water-saturated unconfined compressive strength are reduced because the large-particle-size particles in the novel material of the construction waste are less and more small-particle-size particles obstruct the flow of the portland cement and are difficult to bond by a small amount of portland cement; when the usage amount of the Portland cement is increased to 6kg, the usage amount of water is correspondingly increased, small-particle-size particles in the construction waste can be well bonded, the compactness of the manufactured novel construction waste material is increased to 98.5, the 7d saturated unconfined compressive strength is increased to 3.8MPa, and the novel construction waste material can be used for second-grade and below-second-grade road base layers or road base layers of all grades.
In examples 7, 8 and 9, the weight ratio of the construction waste to the old recycled asphalt material is 8:2, compared with examples 4, 5 and 6, the use amount of the construction waste is increased, the construction waste of examples 7, 8 and 9 forms a relatively perfect gradation, the particles with the particle diameters of 0-5mm, 5-10mm, 10-20mm and 20-30mm are all contained, but the used amount of the old recycled asphalt material for bonding the construction waste is small, so the bonding strength of the old recycled asphalt material to the construction waste is insufficient, the compaction degree and 7d water-saturated unconfined compressive strength of the finally prepared novel construction waste material are reduced, and the novel construction waste material can only be used for road subbase layers at the second level and below the second level.
By combining the examples 7, 8 and 9 with the example 10 and the comparative examples 1 and 2, it can be seen that when the amount of the construction waste accounts for 100% of the environment-friendly mineral aggregate, and the amount of the Portland cement in the example 10 is 6kg, the compaction degree of the prepared novel construction waste material is increased to 96.8, and the 7d water-saturated unconfined compressive strength is increased to 3.0MPa, so that the novel construction waste material can be used for the second-level and below-second-level road base layers; and the silicate cement mixing amount used in the comparative examples 1 and 2 is less, and the corresponding water mixing amount is also less, so that the bonding effect on the construction waste is poor, the compaction degree and 7d saturated water unconfined compressive strength of the prepared novel construction waste material are too low, and the novel construction waste material cannot be applied to road construction.
By combining the example 6 and the comparative examples 3, 4 and 5, it can be seen that the used water, Portland cement, construction waste and recycled asphalt materials of the example 6 and the comparative examples 3, 4 and 5 are equal in use amount, but the polyvinyl chloride resin is not added in the comparative example 3, so that the ductility of the recycled asphalt materials is reduced, the recycled asphalt materials are difficult to bond the construction waste together, and therefore, the prepared novel construction waste material can only be used for road sub-base layers of various grades compared with the example 6; in the comparative example 4, steel fibers are not added, so that the adhesion effect among the construction waste is poor, and therefore, compared with the example 6, the prepared novel construction waste material can only be used for road sub-base layers of various grades; compared with the prior art, the polyvinyl chloride resin and the steel fiber are not added in the comparative example 5, the compactness and 7d water-saturated unconfined compressive strength of the novel material of the construction waste are lower, and the novel material can only be applied to the second-grade and below-grade highway subbase.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (9)
1. The novel cement-stabilized construction waste material is characterized by being prepared from the following raw materials in parts by weight: 4-6 parts of cement, 6-10 parts of water, 8-15 parts of polyvinyl chloride resin, 5-8 parts of steel fiber and 100 parts of environment-friendly mineral aggregate;
the environment-friendly mineral aggregate comprises 40-100 wt% of construction waste and 0-60 wt% of recycled asphalt old material; taking the environment-friendly mineral aggregate as 100wt% as a reference;
when the construction waste accounts for 100wt%, the cement is 6 parts.
2. The novel cement-stabilized construction waste material as claimed in claim 1, wherein when the construction waste accounts for 40wt% to 80wt%, the recycled asphalt waste material accounts for 20wt% to 60 wt%.
3. The novel cement-stabilized construction waste material as claimed in claim 1, wherein when the construction waste accounts for 40wt%, the used recycled asphalt accounts for 60wt%, and the construction waste comprises 20wt% of particles with a particle size of 0-5mm and 20wt% of particles with a particle size of 20-30 mm.
4. The novel cement-stabilized construction waste material as claimed in claim 1, wherein when the construction waste accounts for 60wt%, the used recycled asphalt material accounts for 40wt%, and the construction waste comprises 30wt% of particles with a particle size of 0-5mm, 15wt% of particles with a particle size of 10-20mm, and 15wt% of particles with a particle size of 20-30 mm.
5. The novel cement-stabilized construction waste material as claimed in claim 1, wherein when the construction waste accounts for 80wt%, the recycled asphalt used material accounts for 20wt%, and the construction waste comprises 25wt% of particles with a particle size of 0-5mm, 10wt% of particles with a particle size of 5-10mm, 25wt% of particles with a particle size of 10-20mm, and 20wt% of particles with a particle size of 20-30 mm.
6. The novel cement-stabilized construction waste material as claimed in claim 1, wherein when the construction waste accounts for 100wt%, the used recycled asphalt material accounts for 0wt%, and the construction waste comprises 30wt% of particles with a particle size of 0-5mm, 10wt% of particles with a particle size of 5-10mm, 25wt% of particles with a particle size of 10-20mm, and 35wt% of particles with a particle size of 20-30 mm.
7. The novel cement-stabilized construction waste material as claimed in any one of claims 4 to 6, wherein the 0-5mm particles are formed by crushing brick dregs.
8. The novel cement-stabilized construction waste material as claimed in any one of claims 3 to 6, wherein the novel cement-stabilized construction waste material is used for underlayment of roads.
9. The novel cement-stabilized construction waste material as claimed in claim 5, wherein the novel cement-stabilized construction waste material is used as a base course for roads.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210241800.7A CN114560658A (en) | 2022-03-11 | 2022-03-11 | Novel cement-stabilized construction waste material |
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| CN202210241800.7A CN114560658A (en) | 2022-03-11 | 2022-03-11 | Novel cement-stabilized construction waste material |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020050233A1 (en) * | 1999-03-15 | 2002-05-02 | Balkum Earl T. | Aggregate using recycled plastics |
| CN101381216A (en) * | 2008-10-21 | 2009-03-11 | 广东工业大学 | Method for regenerating aggregate concrete from steel fibre rubber granule modified asphalt |
| CN101624274A (en) * | 2009-08-07 | 2010-01-13 | 武汉理工大学 | Method for preparing asphalt pavement material by adopting waste concrete |
-
2022
- 2022-03-11 CN CN202210241800.7A patent/CN114560658A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020050233A1 (en) * | 1999-03-15 | 2002-05-02 | Balkum Earl T. | Aggregate using recycled plastics |
| CN101381216A (en) * | 2008-10-21 | 2009-03-11 | 广东工业大学 | Method for regenerating aggregate concrete from steel fibre rubber granule modified asphalt |
| CN101624274A (en) * | 2009-08-07 | 2010-01-13 | 武汉理工大学 | Method for preparing asphalt pavement material by adopting waste concrete |
Non-Patent Citations (1)
| Title |
|---|
| 李辉 等主编: "《土木工程材料》", 31 March 2017, 西南交通大学出版社 * |
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