CN110937872A - Inorganic binder stabilizing material and preparation method and application thereof - Google Patents
Inorganic binder stabilizing material and preparation method and application thereof Download PDFInfo
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- CN110937872A CN110937872A CN201911171746.8A CN201911171746A CN110937872A CN 110937872 A CN110937872 A CN 110937872A CN 201911171746 A CN201911171746 A CN 201911171746A CN 110937872 A CN110937872 A CN 110937872A
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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
- C04B28/10—Lime cements or magnesium oxide cements
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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
- 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
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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
- 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
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- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Road Paving Structures (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses an inorganic binder stabilizing material, a preparation method and an application thereof, wherein the stabilizing material comprises the following components in parts by weight: 25-45 parts of household garbage incinerator slag; 30-50 parts of construction waste; lime: 3-7 parts; red brick micro powder: 8-19 parts; water: 6-12 parts. The prepared stable material is compact, the strength meets the standard requirement of urban roads, and the problems that the stable material prepared from the household garbage incinerator slag has low strength and does not meet the requirement are solved.
Description
Technical Field
The invention belongs to the technical field of solid waste resource utilization, and particularly relates to an inorganic binder stable material, and a preparation method and application thereof.
Background
The inorganic binding material stabilizing material is a general name for road building material in traffic transportation engineering, and is a material whose compression strength meets the specified requirements after compaction and curing of a mixture obtained by mixing appropriate amount of inorganic binding material (such as cement, lime or industrial waste residue) and water into various ground or original loose soil, crushed (gravel) stone and industrial waste residue. The inorganic binder stabilizing material for road construction comprises raw materials such as broken stone, cement, lime and the like, and has higher cost.
After the household garbage is used for power generation and incineration, a large amount of furnace slag is generated, and the amount of the furnace slag accounts for 20-25% of the total amount of the garbage. The slag is generally used as solid waste for landfill treatment, and cannot be effectively utilized, and the landfill treatment not only occupies land resources, but also causes harm to the environment.
Therefore, it has been studied to produce an inorganic binder stabilizing material using the slag from incineration of domestic garbage as a raw material, and to reduce the cost by replacing the conventional inorganic binder stabilizing material using crushed stone, cement, lime, etc. as a raw material.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an inorganic binding material stabilizing material, a preparation method and application thereof, and aims to solve the problems that the inorganic binding material prepared from the raw material of household garbage incinerator slag in the prior art is low in strength and cannot meet the requirement of compressive strength specified by roads.
The invention realizes the purpose through the following technical scheme:
on one hand, the invention provides an inorganic binder stabilizing material, which comprises the following components in parts by weight:
25-45 parts of household garbage incinerator slag;
30-50 parts of construction waste;
lime: 3-7 parts;
red brick micro powder: 8-19 parts;
water: 6-12 parts.
Further, the density of the stabilizing material is 1.7-2.3 g/cm3。
Further, the particle size range of the household garbage incinerator slag is 0-5 mm; the household garbage incinerator slag contains metal and water, wherein the mass fraction of the metal is less than 1%, and the mass fraction of the water is less than or equal to 10%.
Further, the air conditioner is provided with a fan,
the particle size range of the construction waste is 5-31.5 mm, wherein the weight ratio of the 5-10 mm particle size to the 10-31.5 mm particle size of the construction waste is 1: 1.5-2.25;
the construction waste contains metal and light impurities, the mass fraction of the metal is less than 1%, and the density of the light impurities is less than or equal to 1000kg/m3The mass fraction of the light impurities is less than or equal to 0.2 percent.
Further, the weight ratio of the household garbage incinerator slag to the construction garbage is 1: 1.0-2.0.
Furthermore, the loss on ignition of the red brick micro powder is less than or equal to 20%, and the specific surface area of the red brick micro powder is 450-1000 m2Per kg, the red brick micro powder contains SiO2、Fe2O3And Al2O3In the red brick micro powder, the SiO2、Fe2O3And Al2O3The mass fraction of (A) is more than 70%.
Furthermore, the granularity of the red brick micro powder is less than or equal to 150 microns, wherein the mass fraction of the red brick micro powder with the granularity of 45-150 microns is less than or equal to 25%.
Further, the weight ratio of the lime to the red brick micro powder is 1: 1.5-6.
In another aspect, the present invention provides a method for preparing the inorganic binder stabilizing material, which comprises the steps of,
uniformly mixing all components of the stabilizing material to obtain the stabilizing material; the stabilizing material comprises the following components in parts by weight: 25-45 parts of household garbage incinerator slag; 30-50 parts of construction waste; lime: 3-7 parts; red brick micro powder: 8-19 parts; water: 6-12 parts.
In a further aspect, the present invention provides the use of an inorganic binder stabilizing material as described above as an urban road subgrade, sub-base and base course.
The beneficial effects of the invention at least comprise:
the embodiment of the invention provides an inorganic binder stabilizing material, a preparation method and application thereof, wherein the stabilizing material comprises the following components in parts by weight: 25-45 parts of household garbage incinerator slag; 30-50 parts of construction waste; lime: 3-7 parts; red brick micro powder: 8-19 parts; water: 6-12 parts. The stabilizing material is characterized in that the fine aggregate of the household garbage incinerator slag in a specific proportion is densely filled, the construction garbage coarse aggregate in a specific proportion is added to form a framework supporting structure, the strength of the stabilizing material is improved, meanwhile, lime and red brick micro powder in a specific proportion are added to fill gaps formed by mixing the household garbage incinerator slag and the construction garbage, the stabilizing material prepared by combining the specific components in a specific proportion is compact in structure, the strength meets the standard requirement of urban roads, and the problems that the inorganic combined stabilizing material prepared from the household garbage incinerator slag is low in strength and cannot meet the requirement of the compressive strength specified by roads are solved.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments and examples, and the advantages and various effects of the present invention will be more clearly apparent therefrom. It will be understood by those skilled in the art that these specific embodiments and examples are for the purpose of illustrating the invention and are not to be construed as limiting the invention.
Throughout the specification, unless otherwise specifically noted, terms used herein should be understood as having meanings as commonly used in the art. Accordingly, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. If there is a conflict, the present specification will control.
Unless otherwise specifically stated, various raw materials, reagents, instruments, equipment and the like used in the present invention are commercially available or can be prepared by existing methods.
In order to solve the technical problems, the technical scheme in the embodiment of the invention has the following general idea:
on one hand, the embodiment of the invention provides an inorganic binder stabilizing material, which comprises the following components in parts by weight:
25-45 parts of household garbage incinerator slag;
30-50 parts of construction waste; lime: 3-7 parts;
red brick micro powder: 8-19 parts;
water: 6-12 parts.
The stable material is compactly filled by the fine aggregate of the household garbage incinerator slag in a specific proportion, the coarse aggregate of the construction garbage in the specific proportion forms a framework supporting structure, the strength of the stable material is improved, meanwhile, the lime and the red brick micropowder in the specific proportion are doped, gaps formed by mixing the household garbage incinerator slag and the construction garbage are filled, the stable material prepared by combining the specific components in the specific proportion is compact in structure, the strength meets the standard requirement of urban roads, the problems that the stable material prepared by adopting the household garbage incinerator slag in the prior art is low in strength and does not meet the standard requirement are solved, and the resource utilization of the household garbage incinerator slag is realized. The particle size and the proportion of the household garbage incinerator slag and the construction garbage are controlled within a specific range, so that the prepared stable material is more compact and not easy to deform.
Further, the density of the stabilizing material is 1.7-2.3 g/cm3. The strength of the stable material in the density range can meet the requirements of roadbed, subbase and base layer of urban roads of various grades.
Further, the particle size range of the household garbage incinerator slag is 0-5 mm; the household garbage incinerator slag contains metal and water, wherein the mass fraction of the metal is less than 1%, and the mass fraction of the water is less than or equal to 10%.
The household garbage incinerator slag belongs to fine aggregates in the stable material provided by the invention, so the particle size of the household garbage incinerator slag cannot be too large and is limited to 0-5 mm.
The metal in the domestic garbage can be recycled, and the slag is the incineration material of the domestic garbage, so the slag contains the metal and a certain amount of water, and the lower the mass fraction of the metal in the slag is, the better the metal mass fraction is. In the household garbage incinerator slag, the mass fraction of metal is less than 1 percent, and the mass fraction of water is less than or equal to 10 percent. The water may wet and bind the other components of the stabilizing material together.
Further, the particle size range of the construction waste is 5-31.5 mm, wherein the weight ratio of the construction waste with the particle size of 5-10 mm to the particle size of 10-31.5 mm is 1 (1.5-2.25);
the construction waste contains metal and light impurities, the mass fraction of the metal is less than 1%, and the density of the light impurities is less than or equal to 1000kg/m3The mass fraction of the light impurities is less than or equal to 0.2 percent.
The construction waste plays a role in supporting the framework in the stable material provided by the invention, so the particle size cannot be too small, the lower limit is limited to 5mm, the particle size is too large, and the stable material is not dense enough, so the upper limit is limited to 31.5 mm. And the particle size ratios of different grades are limited, so that the prepared stable material is more compact.
The construction waste inevitably contains metals such as reinforcing steel bars, and the metals in the construction waste must be recycled before use, so the mass fraction of the metals is less than 1%. The light impurities can not be excessive, otherwise, the durability of the prepared stable material is influenced.
Further, the weight ratio of the household garbage incinerator slag to the construction garbage is 1 (1.0-2.0). The domestic waste incineration slag and the construction waste are limited in the range, the proportion of the fine aggregate and the framework material can be further optimized, the gap between the fine aggregate and the framework material after mixing can be further reduced, and the stable material is more compact and higher in strength.
Furthermore, the loss on ignition of the red brick micro powder is less than or equal to 20 percent, and the red brick micro powder is redThe specific surface area of the brick micro powder is 450-1000 m2Per kg, the red brick micro powder contains SiO2、Fe2O3And Al2O3In the red brick micro powder, the SiO2、Fe2O3And Al2O3The mass fraction of (A) is more than 70%.
The larger the specific surface area is, the activity of the red brick micro powder can be excited, and the specific surface area can be controlled to prepare materials within a certain cost range on the premise of meeting performance requirements. In the red brick micro powder, the SiO2、Fe2O3And Al2O3The mass fraction of the active oxide is more than 70 percent, so as to ensure that the active oxide in the red brick micro powder can sufficiently react with lime and ensure the strength of inorganic materials.
Furthermore, the granularity of the red brick micro powder is less than or equal to 150 microns, wherein the mass fraction of the red brick micro powder with the granularity of 45-150 microns is less than or equal to 25%.
The smaller the granularity of the red brick micro powder is, the more the reaction interface is, the more the reaction is, so that the granularity of the red brick micro powder must be controlled to meet the requirement on the premise that the red brick micro powder reaches a certain specific area.
Further, the weight ratio of the lime to the red brick micro powder is 1 (1.5-6).
In another aspect, the present invention also provides a method for preparing the inorganic binder stabilizing material, the method including,
uniformly mixing all components of the stabilizing material to obtain the stabilizing material;
the stabilizing material comprises the following components in parts by weight:
25-45 parts of household garbage incinerator slag;
30-50 parts of construction waste;
lime: 3-7 parts;
red brick micro powder: 8-19 parts;
water: 6-12 parts of a solvent;
in still another aspect, the embodiments of the present invention further provide an application of the inorganic binder stabilizing material as an urban road subgrade, an underlayer and a base layer.
The inorganic binder stabilizing material provided by the embodiment of the invention is prepared by densely filling domestic garbage incinerator slag with the granularity of 0-5 mm, forming a framework supporting structure by building garbage coarse aggregates with the grading of 5-31.5 mm, mixing the graded domestic garbage incinerator slag and the building garbage with a specific proportion, meeting the requirement of a framework compact structure, simultaneously adding lime and red brick micro powder with a specific proportion as a binding material, filling gaps existing after the domestic garbage incinerator slag and the building garbage are mixed, and combining the specific proportion of specific components to prepare the stabilizing material which is dense, high in compressive strength and in line with the road standard requirement, solving the problems of land waste and environment pollution caused by landfill of the domestic garbage incinerator slag, and realizing resource utilization of the domestic garbage incinerator slag.
The invention also has the following advantages:
(1) the stable material provided by the invention realizes harmless treatment and resource utilization of the household garbage incinerator slag, adopts the household garbage incinerator slag, the building garbage, the red brick micro powder and other materials as raw materials, and simultaneously forms a skeleton compact structure through the optimization of the proportion of each component, improves the strength of the stable material, saves natural resources and cost, and has great significance for environmental protection.
(2) The invention realizes the resource utilization of the household garbage incinerator slag and reduces the environmental pollution.
(3) The invention adopts low-cost household garbage incinerator slag and construction waste to replace high-cost graded broken stones in the prior art, adopts red brick micro powder to replace coal ash which is in short supply in large and medium cities, reduces the raw material cost, saves natural resources, has great significance for environmental protection and has obvious market competitive advantage.
(4) The method for preparing the inorganic binder stable material by using the lime, the red brick micro powder, the household garbage incineration slag and the construction waste has the advantages that the solid waste can be used for producing other raw materials except a small amount of the doped lime, the overall resource utilization rate is high, the skeleton compact structure is formed by optimizing all components, the comprehensive performance is excellent, the inorganic binder stable material can be used for the roadbed, the subbase and the base layer of the urban roads of all levels, and the concept of circular economy is really embodied.
(5) The preparation method of the inorganic binder stable material provided by the embodiment of the invention is simple in process and strong in applicability.
The technical solution of the present invention will be further described with reference to specific examples.
TABLE 1
Example 1
In one aspect, example 1 provides an inorganic binder stabilizing material having the components and parts by weight shown in table 1.
Further, the density of the stabilizing material is 1.8g/cm3。
Further, the particle size range of the household garbage incinerator slag is 0-5 mm. In the household garbage incinerator slag, the mass fraction of metal is 0.8%, and the mass fraction of water is 3%.
Further, the particle size range of the construction waste is 5-31.5 mm, wherein the weight ratio of the construction waste with the particle size of 5-10 mm to the particle size of 10-31.5 mm is 1:1.6, and the metal content of the construction waste is 0.8%.
Further, the weight ratio of the household garbage incineration slag to the construction garbage is 1: 1.05.
Further, the loss on ignition of the red brick micro powder is 12%, and the specific surface area of the red brick micro powder is 534.8m2Per kg, the red brick micro powder contains SiO2、Fe2O3And Al2O3In the red brick micro powder, the SiO2、Fe2O3And Al2O3Is 78%.
Further, the granularity of the red brick micro powder is less than or equal to 150 microns, wherein the mass fraction of the red brick micro powder with the granularity of 45-150 microns is 13%.
Further, the weight ratio of the lime to the red brick micro powder is 1: 3.
In another aspect, example 1 also provides a method of preparing an inorganic binder stabilizing material as described above, the method comprising,
the components of the stabilizing material are uniformly mixed to obtain the stabilizing material, wherein the components and the parts by weight of the stabilizing material are shown in table 1.
In yet another aspect, example 1 also provides the use of an inorganic binder stabilizing material as described above as an urban road subgrade.
Example 2
In one aspect, example 2 provides an inorganic binder stabilizing material having the components and parts by weight shown in table 1.
Further, the density of the stabilizing material is 2.3g/cm3。
Further, the particle size range of the household garbage incinerator slag is 0-5 mm. In the household garbage incinerator slag, the mass fraction of metal is 0.9%, and the mass fraction of water is 6%.
Further, the particle size range of the construction waste is 5-31.5 mm, wherein the weight ratio of the construction waste with the particle size of 5-10 mm to the particle size of 10-31.5 mm is 1:1.9, and the metal content of the construction waste is 0.7%.
Further, the weight ratio of the household garbage incineration slag to the construction garbage is 1: 1.4.
Furthermore, the loss on ignition of the red brick micro powder is 10%, and the specific surface area of the red brick micro powder is 694.5m2Per kg, the red brick micro powder contains SiO2、Fe2O3And Al2O3In the red brick micro powder, the SiO2、Fe2O3And Al2O3Is 85 percent.
Furthermore, the granularity of the red brick micro powder is less than or equal to 150 microns, wherein the mass fraction of the red brick micro powder with the granularity of 45-150 microns is 10%.
Further, the weight ratio of the lime to the red brick micro powder is 1: 2.8.
In another aspect, example 2 also provides a method of preparing an inorganic binder stabilizing material as described above, the method comprising,
the components of the stabilizing material are uniformly mixed to obtain the stabilizing material, wherein the components and the parts by weight of the stabilizing material are shown in table 1.
In yet another aspect, example 2 also provides the use of an inorganic binder stabilizing material as described above as an underlayment for an urban roadway.
Example 3
In one aspect, example 3 provides an inorganic binder stabilizing material having the components and parts by weight shown in table 1.
Further, the density of the stabilizing material is 2.0g/cm3。
Further, the particle size range of the household garbage incinerator slag is 0-5 mm. In the household garbage incinerator slag, the mass fraction of metal is 0.5%, and the mass fraction of water is 5%.
Further, the particle size range of the construction waste is 5-31.5 mm, wherein the weight ratio of the construction waste with the particle size of 5-10 mm to the particle size of 10-31.5 mm is 1:1.7, and the metal content of the construction waste is 0.6%.
Further, the weight ratio of the household garbage incineration slag to the construction garbage is 1: 1.2.
Furthermore, the loss on ignition of the red brick micro powder is 14%, and the specific surface area of the red brick micro powder is 856.3m2Per kg, the red brick micro powder contains SiO2、Fe2O3And Al2O3In the red brick micro powder, the SiO2、Fe2O3And Al2O3Is 76%.
Further, the granularity of the red brick micro powder is less than or equal to 150 microns, wherein the mass fraction of the red brick micro powder with the granularity of 45-150 microns is 9%.
Further, the weight ratio of the lime to the red brick micro powder is 1:2.
In another aspect, example 3 also provides a method of making an inorganic binder stabilizing material as described above, the method comprising,
the components of the stabilizing material are uniformly mixed to obtain the stabilizing material, wherein the components and the parts by weight of the stabilizing material are shown in table 1.
In yet another aspect, example 3 also provides the use of an inorganic binder stabilizing material as described above as an urban road base.
Example 4
In one aspect, example 4 provides an inorganic binder stabilizing material having the components and parts by weight shown in table 1.
Further, the density of the stabilizing material is 1.9g/cm3。
Further, the particle size range of the household garbage incinerator slag is 0-5 mm. In the household garbage incinerator slag, the mass fraction of metal is 0.6%, and the mass fraction of water is 4%.
Further, the particle size range of the construction waste is 5-31.5 mm, wherein the weight ratio of the construction waste with the particle size of 5-10 mm to the particle size of 10-31.5 mm is 1:1.8, and the metal content of the construction waste is 0.5%.
Further, the weight ratio of the household garbage incineration slag to the construction garbage is 1: 1.3.
Furthermore, the loss on ignition of the red brick micro powder is 8%, and the specific surface area of the red brick micro powder is 566.5m2Per kg, the red brick micro powder contains SiO2、Fe2O3And Al2O3In the red brick micro powder, the SiO2、Fe2O3And Al2O3The mass fraction of (2) is 82%.
Further, the granularity of the red brick micro powder is less than or equal to 150 microns, wherein the mass fraction of the red brick micro powder with the granularity of 45-150 microns is 12%.
Further, the weight ratio of the lime to the red brick micro powder is 1: 3.
In another aspect, example 4 also provides a method of making an inorganic binder stabilizing material as described above, the method comprising,
the components of the stabilizing material are uniformly mixed to obtain the stabilizing material, wherein the components and the parts by weight of the stabilizing material are shown in table 1.
In yet another aspect, example 4 also provides the use of an inorganic binder stabilizing material as described above as an underlayment for an urban roadway.
Example 5
In one aspect, example 5 provides an inorganic binder stabilizing material having the components and parts by weight shown in table 1.
Further, the density of the stabilizing material is 2.2g/cm3。
Further, the particle size range of the household garbage incinerator slag is 0-5 mm. In the household garbage incinerator slag, the mass fraction of metal is 0.7%, and the mass fraction of water is 7%.
Further, the particle size range of the construction waste is 5-31.5 mm, wherein the weight ratio of the construction waste with the particle size of 5-10 mm to the particle size of 10-31.5 mm is 1:2.0, and the metal content of the construction waste is 0.8%.
Further, the weight ratio of the household garbage incineration slag to the construction garbage is 1: 1.5.
Furthermore, the loss on ignition of the red brick micro powder is 14%, and the specific surface area of the red brick micro powder is 755.6m2Per kg, the red brick micro powder contains SiO2、Fe2O3And Al2O3In the red brick micro powder, the SiO2、Fe2O3And Al2O3Is 80 percent.
Further, the granularity of the red brick micro powder is less than or equal to 150 microns, wherein the mass fraction of the red brick micro powder with the granularity of 45-150 microns is 11%.
Further, the weight ratio of the lime to the red brick micro powder is 1: 5.3.
In another aspect, example 3 also provides a method of making an inorganic binder stabilizing material as described above, the method comprising,
the components of the stabilizing material are uniformly mixed to obtain the stabilizing material, wherein the components and the parts by weight of the stabilizing material are shown in table 1.
In yet another aspect, example 3 also provides the use of an inorganic binder stabilizing material as described above as an urban road base.
Comparative example 1
Comparative example 1 provides an inorganic binder stabilizing material, which comprises the following components in parts by weight:
71 parts of household garbage incinerator slag; lime: 4 parts of a mixture; fly ash: 16 parts of a mixture; water: 9 parts.
The inorganic binder stabilizing material prepared from the components and the proportion thereof is used for urban road subbase.
Comparative example 2
Comparative example 2 provides an inorganic binder stabilizing material, which comprises the following components in parts by weight:
25-45 parts of sandstone aggregate; 4 parts of lime; fly ash: 12 parts of (1); water: 8 parts of a mixture;
the inorganic binder stabilizing material prepared from the components and the proportion thereof is used for urban road subbase.
The stable materials provided in examples 1 to 5, comparative example 1 and comparative example 2 were subjected to performance testing according to the standard requirements of the test protocol for inorganic binder stable materials for highway engineering (JTG _ E51-2009), and the test results are shown in table 2.
TABLE 2
TABLE 3
TABLE 4
Table 3 shows the requirement of standard JTG/T F20-2015 on 7-day unconfined compressive strength of the lime fly ash inorganic binder stabilizing material in highway pavement base construction technical rules, Table 4 shows the requirement of standard JC/T2281-2014 on 7-day unconfined compressive strength of the lime fly ash inorganic binder stabilizing material in road construction waste recycled aggregate inorganic mixture, and the compressive strength ratio of the test piece in 28-day age of the pavement base in the freezing and heavy freezing area is not less than 70% after 5 times of freeze-thaw cycles in the standard requirement.
According to the data in table 2, it can be seen that the 7-day unconfined compressive strength 95% guarantee value of the stabilizing material provided in the embodiments 1 to 5 is 1.12 to 1.44MPa, which completely meets the requirements of the fine rules of highway pavement base course construction technology and the inorganic mixture of road construction waste recycled aggregates, the frost resistance index, i.e. the compressive strength ratio, of the embodiments 1 to 5 is 75.84 to 87.56MPa, which meets the requirement that the compressive strength ratio of a test piece in 28-day age of a pavement base course in a middle freezing area and a heavy freezing area is not less than 70% after 5 times of freeze-thaw cycles, and the 7-day unconfined compressive strength standard deviation is 0.05 to 0.10, and the compressive strength is uniformly distributed. The inorganic binder stabilizing material prepared in comparative example 1 had a 95% proof value of unconfined compressive strength of 0.82MPa for 7 days. The inorganic binder stabilizing material prepared in comparative example 2 had a 95% proof value of unconfined compressive strength of 1.30MPa for 7 days. The 7-day unconfined compressive strength 95% assurance value for examples 1-5 was 36% higher than comparative example 1, comparable to the level of comparative example 2.
According to the above, the stable material provided by the invention completely meets the application requirements of various parts of urban roads, the main performance indexes of the stable material are unconfined compressive strength and frost resistance after 7 days, the stable material can meet the standard requirements, and the stable material is equivalent to the stable material of the inorganic binder prepared by natural sandstone aggregate in the prior art, and has good popularization value.
Finally, it should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The inorganic binder stabilizing material is characterized by comprising the following components in parts by weight:
25-45 parts of household garbage incinerator slag;
30-50 parts of construction waste;
lime: 3-7 parts;
red brick micro powder: 8-19 parts;
water: 6-12 parts.
2. The inorganic binder stabilizing material of claim 1, wherein the density of the stabilizing material is 1.7-2.3 g/cm3。
3. The inorganic binder stabilizing material as claimed in claim 1, wherein the particle size of the incineration slag of the household garbage is in the range of 0 to 5 mm; the household garbage incinerator slag contains metal and water, wherein the mass fraction of the metal is less than 1%, and the mass fraction of the water is less than or equal to 10%.
4. The inorganic binder stabilizing material according to claim 1,
the particle size range of the construction waste is 5-31.5 mm, wherein the weight ratio of the 5-10 mm particle size to the 10-31.5 mm particle size of the construction waste is 1: 1.5-2.25;
the construction waste contains metal and light impurities, the mass fraction of the metal is less than 1%, and the density of the light impurities is less than or equal to 1000kg/m3The mass fraction of the light impurities is less than or equal to 0.2 percent.
5. The inorganic binder stabilizing material as claimed in claim 1, wherein the weight ratio of the household garbage incinerator slag to the construction waste is 1: 1.0-2.0.
6. The inorganic binder stabilizing material according to claim 1,
the loss on ignition of the red brick micro powder is less than or equal to 20 percent, and the specific surface area of the red brick micro powder is 450-1000 m2Per kg, the red brick micro powder contains SiO2、Fe2O3And Al2O3In the red brick micro powder, the SiO2、Fe2O3And Al2O3The mass fraction of (A) is more than 70%.
7. The inorganic binder stabilizing material as claimed in claim 1, wherein the particle size of the red brick micro powder is not more than 150 μm, and the mass fraction of the red brick micro powder with the particle size of 45-150 μm is not more than 25%.
8. The inorganic binder stabilizing material as claimed in claim 1, wherein the weight ratio of the lime to the red brick micro powder is 1: 1.5-6.
9. The method for preparing an inorganic binder stabilizing material according to any one of claims 1 to 8, wherein the method comprises,
uniformly mixing all components of the stabilizing material to obtain the stabilizing material; the stabilizing material comprises the following components in parts by weight: 25-45 parts of household garbage incinerator slag; 30-50 parts of construction waste; lime: 3-7 parts; red brick micro powder: 8-19 parts; water: 6-12 parts.
10. Use of an inorganic binder stabilizing material according to any one of claims 1 to 8 as an urban road subgrade, sub-base and base course.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112592147A (en) * | 2021-01-24 | 2021-04-02 | 湖南科技大学 | Preparation and construction method of brick-concrete building waste residue regenerated road base inorganic mixture |
| CN113636822A (en) * | 2021-07-19 | 2021-11-12 | 中铁第一勘察设计院集团有限公司 | Improved construction waste roadbed filler using sintered brick micro powder as modifier and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102491715A (en) * | 2011-12-12 | 2012-06-13 | 上海寰保渣业处置有限公司 | Basement layer and roadbed material containing house refuse burned slag and using lime for stabilizing |
| CN104177035A (en) * | 2014-08-06 | 2014-12-03 | 首钢环境产业有限公司 | Inorganic mixture |
| CN105731920A (en) * | 2016-01-13 | 2016-07-06 | 江苏中路工程技术研究院有限公司 | Furnace slag water-stable base material and preparation method thereof |
| CN107986725A (en) * | 2017-12-06 | 2018-05-04 | 江苏中路工程技术研究院有限公司 | The preparation method and construction method of domestic waste incineration residue comprehensive stable soil |
| CN109020430A (en) * | 2018-09-04 | 2018-12-18 | 西安公路研究院 | A kind of construction refuse regenerated mixture of two ash stability and preparation method thereof |
-
2019
- 2019-11-26 CN CN201911171746.8A patent/CN110937872A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102491715A (en) * | 2011-12-12 | 2012-06-13 | 上海寰保渣业处置有限公司 | Basement layer and roadbed material containing house refuse burned slag and using lime for stabilizing |
| CN104177035A (en) * | 2014-08-06 | 2014-12-03 | 首钢环境产业有限公司 | Inorganic mixture |
| CN105731920A (en) * | 2016-01-13 | 2016-07-06 | 江苏中路工程技术研究院有限公司 | Furnace slag water-stable base material and preparation method thereof |
| CN107986725A (en) * | 2017-12-06 | 2018-05-04 | 江苏中路工程技术研究院有限公司 | The preparation method and construction method of domestic waste incineration residue comprehensive stable soil |
| CN109020430A (en) * | 2018-09-04 | 2018-12-18 | 西安公路研究院 | A kind of construction refuse regenerated mixture of two ash stability and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112592147A (en) * | 2021-01-24 | 2021-04-02 | 湖南科技大学 | Preparation and construction method of brick-concrete building waste residue regenerated road base inorganic mixture |
| CN113636822A (en) * | 2021-07-19 | 2021-11-12 | 中铁第一勘察设计院集团有限公司 | Improved construction waste roadbed filler using sintered brick micro powder as modifier and method |
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