CN215482012U - Energy-saving and environment-friendly roadbed structure with multi-solid waste synergistic utilization function - Google Patents
Energy-saving and environment-friendly roadbed structure with multi-solid waste synergistic utilization function Download PDFInfo
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Abstract
The utility model provides an energy-saving and environment-friendly roadbed structure with multi-solid waste synergistic utilization, which comprises: the method comprises the following steps of utilizing multiple solid wastes to cooperatively utilize a roadbed filling road section, a first reverse step, a top sealing layer, edge-covered soil, a longitudinal general road section and a second reverse step; arranging second reverse steps on two sides of a road section of the multi-solid waste synergistic roadbed filler, arranging first reverse steps at the end part of a longitudinal general road section, and arranging covering soil on the second reverse steps, wherein the covering soil is surface soil; and a top sealing layer is arranged on the road section of the multi-solid-waste cooperative utilization roadbed filler, and the road section of the multi-solid-waste cooperative utilization roadbed filler is connected with the first reverse step. The roadbed has good overall stability, realizes recycling, protects the roadbed structure, saves the construction cost, isolates the pollution source, has good greening, environmental protection and visual and attractive effects, greatly ensures the comfort and safety of driving, simultaneously uses a large amount of solid wastes in cooperation with roadbed fillers, consumes a large amount of industrial solid wastes, realizes recycling, is economical, energy-saving and environment-friendly.
Description
Technical Field
The utility model relates to the technical field of highway subgrade engineering, in particular to an energy-saving environment-friendly subgrade structure with synergistic utilization of multiple solid wastes.
Background
With the development of modern industry, a large amount of industrial solid wastes (industrial solid wastes for short) such as steel slag, carbide slag, fly ash and coal gangue are generated, the utilization rate is low, the stacking quantity is extremely large, a large amount of land is occupied, and air pollution, water pollution, arable land pollution and ecological pollution can be continuously caused.
In addition, a large amount of sandstone resources are consumed in the construction of highway infrastructures every year, the problems of ecological environment damage and resource exhaustion are undoubtedly aggravated, and along with the limited exploitation of natural soil and stone resources in recent years, the existing sandstone resources are difficult to meet the large demand of road reconstruction and new construction on the sandstone resources, so that a lot of difficulties and challenges are brought to the engineering. The contradiction between the large production of industrial solid wastes, the limited exploitation of natural sand and the huge demand of materials presents an increasing trend, thus causing the phenomena of "refuse city" and "material shortage".
Under the condition of serious shortage of land and natural resources, scientific treatment and comprehensive utilization of industrial solid wastes are undoubtedly the most direct and effective way for solving the contradiction between the two.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides an energy-saving and environment-friendly roadbed structure with multi-solid waste synergistic utilization, which is used for solving the existing contradiction problem and realizing the recycling of industrial solid waste.
The utility model provides an energy-saving and environment-friendly roadbed structure with multi-solid waste synergistic utilization, which comprises: the method comprises the following steps of utilizing multiple solid wastes to cooperatively utilize a roadbed filling road section 2, a first reverse step 3, a top sealing layer 5, edge-covered soil 7, a longitudinal general road section 8 and a second reverse step 9; two sides of the multi-solid waste synergistic roadbed filler section 2 are provided with second reverse steps 9, the end part of the longitudinal general section 8 is provided with a first reverse step 3, the second reverse steps 9 are provided with covering soil 7, and the covering soil 7 is surface soil; and a top sealing layer 5 is arranged on the multi-solid-waste cooperative utilization roadbed filling road section 2, and the multi-solid-waste cooperative utilization roadbed filling road section 2 is connected with the first reverse step 3. The roadbed has good overall stability, realizes recycling, protects the roadbed structure, saves the construction cost, isolates the pollution source, has good greening, environmental protection and visual and attractive effects, greatly ensures the comfort and safety of driving, simultaneously uses a large amount of solid wastes in cooperation with roadbed fillers, consumes a large amount of industrial solid wastes, realizes recycling, is economical, energy-saving and environment-friendly.
According to the energy-saving and environment-friendly roadbed structure with multi-solid waste synergistic utilization provided by the embodiment of the utility model, the roadbed structure further comprises a geogrid 4, and the geogrid 4 is arranged on the first reverse step 3 and the second reverse step 9.
According to the energy-saving and environment-friendly roadbed structure with multi-solid waste synergistic utilization provided by the embodiment of the utility model, the inward-inclination slope rate of the first reverse step 3 and the second reverse step 9 is 3-4%, the step height is 0.5-1.0 m, and the slope ratio is 1: 1-1: 2.
According to the energy-saving and environment-friendly roadbed structure with multi-solid waste synergistic utilization provided by the embodiment of the utility model, the roadbed structure further comprises anchor bolts 10, and the geogrid 4 is anchored on the first reverse step 3 and the second reverse step 9 through the anchor bolts 10.
According to the energy-saving and environment-friendly roadbed structure with multi-solid waste synergistic utilization provided by the embodiment of the utility model, the anchoring length of the anchoring bolts 10 is more than or equal to 20cm, the anchoring distance is 1m multiplied by 1m, and the anchoring bolts are arranged in a plum blossom shape.
The energy-saving and environment-friendly roadbed structure capable of realizing multi-solid waste cooperative utilization further comprises a pavement structure part 6, wherein the pavement structure part 6 is arranged on the top sealing layer 5.
According to the energy-saving and environment-friendly roadbed structure with multi-solid waste synergistic utilization provided by the embodiment of the utility model, the roadbed filler section 2 with multi-solid waste synergistic utilization is a compacted mixture formed by combining carbide slag, fly ash and coal gangue; the ignition loss of the fly ash and the coal gangue is less than 20 percent; the particle size of the fly ash is 0.001-1.18 mm, and the content of fly ash particles smaller than 0.075mm is larger than 45%.
According to the energy-saving and environment-friendly roadbed structure with multi-solid waste synergistic utilization provided by the embodiment of the utility model, the roadbed filler section 2 with multi-solid waste synergistic utilization is filled in a layered mode, the layered thickness is 20-30 cm, the compaction degree of an upper embankment is greater than or equal to 94%, the compaction degree of a lower embankment is greater than or equal to 93%, and the compaction degree of a lower embankment is greater than or equal to 96%.
According to the energy-saving and environment-friendly roadbed structure with multi-solid waste synergistic utilization provided by the embodiment of the utility model, the top sealing layer 5 is made of a cement stabilized soil material, and the compaction degree is more than or equal to 96%.
According to the energy-saving and environment-friendly roadbed structure with multi-solid waste synergistic utilization provided by the embodiment of the utility model, the thickness of the edge covering soil 7 is 1.0-2.0 m.
According to the energy-saving and environment-friendly roadbed structure with the synergistic utilization of multiple solid wastes, when the height of a embankment is less than or equal to 5.0m, the side slope rate is 1:1.5, when the height of the embankment is more than 5.0m, the upper side slope rate is 1:1.5, the lower side slope rate is 1:1.75, the anti-skid stability coefficient under a normal working condition is more than or equal to 1.45, and the anti-skid stability coefficient under an abnormal working condition is more than or equal to 1.35.
The utility model has the beneficial effects that: the roadbed overall stability of the roadbed can be effectively guaranteed, meanwhile, the surface soil is used as the edge covering soil for vegetation slope protection, the carbide slag, the coal ash and the coal gangue are cooperatively used in roadbed fillers, a large amount of industrial solid wastes are consumed, recycling is achieved, and the effects of economy, energy conservation and environmental protection are achieved.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic cross-sectional view of a subgrade in accordance with the present invention;
FIG. 2 is a schematic view of a portion of the roadbed according to the present invention;
FIG. 3 is a schematic view of a portion of the inventive roadbed according to the present invention;
fig. 4 is a diagrammatic representation of an anchor of the present invention.
Reference numerals: 1. the method comprises the following steps of surface cleaning, 2, utilizing multiple solid wastes in a synergetic mode to fill a roadbed filling road section, 3, a first reverse step, 4, a geogrid, 5, a capping layer, 6, a pavement structure part, 7, edge-covered soil, 8, a longitudinal general road section, 9, a second reverse step, 10 and anchoring nails.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The examples do not show the specific techniques or conditions, according to the technical or conditions described in the literature in the field, or according to the product specifications. The equipment and other equipment are not known to manufacturers, and are all conventional products which can be purchased by regular distributors. The process is conventional unless otherwise specified, and the starting materials are commercially available from the open literature. The examples do not show the specific techniques or conditions, according to the technical or conditions described in the literature in the field, or according to the product specifications.
Example 1
This embodiment provides a many solid useless energy-concerving and environment-protective roadbed structure that utilizes in coordination, includes: the method comprises the following steps of utilizing multiple solid wastes to cooperatively utilize a roadbed filling road section 2, a first reverse step 3, a top sealing layer 5, edge-covered soil 7, a longitudinal general road section 8 and a second reverse step 9; two sides of the multi-solid waste synergistic roadbed filler section 2 are provided with second reverse steps 9, the end part of the longitudinal general section 8 is provided with a first reverse step 3, the second reverse steps 9 are provided with covering soil 7, and the covering soil 7 is surface soil; and a top sealing layer 5 is arranged on the multi-solid-waste cooperative utilization roadbed filling road section 2, and the multi-solid-waste cooperative utilization roadbed filling road section 2 is connected with the first reverse step 3. The multi-solid waste cooperative utilization roadbed filler section 2 is arranged on a foundation, the foundation is a surface cleaning foundation with surface greensward, humus and sundries (surface cleaning layer) removed, the thickness of the surface cleaning layer 1 is not less than 30cm, and the covering soil 7 is surface cleaning soil with sundries removed from the surface cleaning layer 1 on the foundation and is used for subsequent plant protection slope protection.
Example 2
As shown in fig. 1 to 4, the present embodiment provides an energy-saving and environment-friendly roadbed structure with multi-solid waste and synergistic utilization, including: the method comprises the following steps of utilizing multiple solid wastes to cooperatively utilize a roadbed filling road section 2, a first reverse step 3, a top sealing layer 5, edge-covered soil 7, a longitudinal general road section 8 and a second reverse step 9; two sides of the multi-solid waste synergistic roadbed filler section 2 are provided with second reverse steps 9, the end part of the longitudinal general section 8 is provided with a first reverse step 3, the second reverse steps 9 are provided with covering soil 7, and the covering soil 7 is surface soil; and a top sealing layer 5 is arranged on the multi-solid-waste cooperative utilization roadbed filling road section 2, and the multi-solid-waste cooperative utilization roadbed filling road section 2 is connected with the first reverse step 3. The roadbed has good overall stability, realizes recycling, protects the roadbed structure, saves the construction cost, isolates the pollution source, has good greening, environmental protection and visual and attractive effects, greatly ensures the comfort and safety of driving, simultaneously uses a large amount of solid wastes in cooperation with roadbed fillers, consumes a large amount of industrial solid wastes, realizes recycling, is economical, energy-saving and environment-friendly.
The preferable multi-solid waste cooperative utilization energy-saving and environment-friendly roadbed structure further comprises a geogrid 4, wherein the geogrid 4 is arranged on the first reverse step 3 and the second reverse step 9.
According to the energy-saving and environment-friendly roadbed structure with multi-solid waste synergistic utilization, the inward-inclination slope rate of the first reverse step 3 and the second reverse step 9 is 3-4%, the step height is 0.5-1.0 m, and the slope ratio is 1: 1-1: 2.
The preferable multi-solid waste cooperative utilization energy-saving and environment-friendly roadbed structure further comprises anchor bolts 10, and the geogrid 4 is anchored to the first reverse step 3 and the second reverse step 9 through the anchor bolts 10.
According to the preferable energy-saving and environment-friendly roadbed structure with the synergistic utilization of multiple solid wastes, provided by the embodiment of the utility model, the anchoring length of the anchoring bolts 10 is more than or equal to 20cm, the anchoring distance is 1m multiplied by 1m, and the anchoring bolts are distributed in a plum blossom shape.
According to the preferable energy-saving and environment-friendly roadbed structure with multi-solid waste cooperative utilization, the first reverse step is built at the end part of a longitudinal general road section, the transition connection section of a roadbed filler road section with multi-solid waste cooperative utilization is arranged, the inward inclination rate of the first reverse step is 3-4%, the height of the step is 0.5-1.0 m, the slope ratio is 1: 1-1: 2, on the premise that the requirement is met, the number of the steps is as large as possible, more contact surfaces are provided for transition connection, the compaction degree of a roadbed joint is strictly controlled, a geogrid 4 is laid on the first reverse step 3, and the geogrid is adoptedAnchoring by means of anchor studs 10, the anchor studs being of the type
The steel bars are bent, the anchoring length is not less than 20cm, the anchoring distance is 1m multiplied by 1m, and the paving range is distributed according to a plum blossom shape, so that the integrity and the stability of a roadbed joint part are enhanced, and roadbed reflection cracks and uneven settlement are reduced.
The optimized energy-saving environment-friendly roadbed structure capable of realizing multi-solid waste cooperative utilization further comprises a pavement structure part 6, wherein the pavement structure part 6 is arranged on the top sealing layer 5.
According to the preferable multi-solid waste synergistic energy-saving environment-friendly roadbed structure provided by the embodiment of the utility model, the multi-solid waste synergistic roadbed filler section 2 is a compacted mixture formed by combining carbide slag, fly ash and coal gangue; the ignition loss of the fly ash and the coal gangue is less than 20 percent; the particle size of the fly ash is 0.001-1.18 mm, and the content of fly ash particles smaller than 0.075mm is larger than 45%.
According to the preferable energy-saving and environment-friendly roadbed structure adopting multi-solid waste cooperative utilization, the roadbed filler section 2 adopting multi-solid waste cooperative utilization is filled in a layered mode, the layered thickness is 20-30 cm, the compaction degree of an upper embankment is larger than or equal to 94%, the compaction degree of a lower embankment is larger than or equal to 93%, and the compaction degree of a lower embankment is larger than or equal to 96%.
According to the energy-saving and environment-friendly roadbed structure with multi-solid waste and cooperative utilization, two sides of a roadbed filler section 2 with multi-solid waste and cooperative utilization are built into a shape of a first reverse step 3, a transition connecting section with edge-covered soil 7 is arranged, a geogrid 4 is laid on the first reverse step 3, the geogrid 4 is anchored by an anchor 10, the technical requirement is the same as that of a longitudinal general section 8 and the transition connecting section of the roadbed filler section 2 with multi-solid waste and cooperative utilization, the width and height of the transverse step and the longitudinal step are guaranteed to be consistent as much as possible on the excavation of the first reverse step 3, so that construction is facilitated, the multi-solid waste and cooperative utilization of the roadbed filler section 2 are filled and compacted in layers, the layering thickness is 20-30 cm, the compaction degree of a lower embankment is not less than 93%, the compaction degree of an upper embankment is not less than 94%, and the compaction degree of the lower embankment is not less than 96%.
According to the preferable energy-saving and environment-friendly roadbed structure adopting multi-solid waste cooperative utilization, the capping layer 5 is made of cement stabilized soil materials, and the compaction degree is greater than or equal to 96%. In the embodiment of the utility model, after the road bed filler section 2 is filled and used with multiple solid wastes, the top sealing layer 5 is paved within 30cm of the upper roadbed, the top sealing layer is made of a stabilized soil material doped with 4% of cement and is compacted by rolling, the compaction degree is more than or equal to 96%, and the effects of protecting the roadbed structure, improving the roadbed bearing capacity and the overall stability and isolating a pollution source are achieved.
According to the preferable energy-saving and environment-friendly roadbed structure adopting multi-solid waste cooperative utilization, the thickness of the edge covering soil 7 is 1.0-2.0 m. In the embodiment of the utility model, a pavement structure part is continuously paved on the capping layer 5, finally, the covering soil 7 with the thickness is paved on the two sides of the roadbed, the rolling compaction is carried out, the side slope stability and the slope protection effect are enhanced, the covering soil 7 adopts the surface cleaning soil with the thickness for the vegetation slope protection, on one hand, the centralized collected surface cleaning soil is utilized to pave the side slope, so that the economic, energy-saving and recycling effects are achieved, on the other hand, the surface cleaning soil is utilized to plant the slope protection, so that the roadbed structure can be protected, the pollution source is isolated, and good greening, environmental protection and visual and aesthetic effects are achieved, and the travelling comfort and the safety are greatly ensured.
The optimized energy-saving and environment-friendly roadbed structure with the synergistic utilization of multiple solid wastes provided by the utility model has the advantages that when the height of a embankment is less than or equal to 5.0m, the side slope rate is 1:1.5, when the height of the embankment is more than 5.0m, the upper side slope rate is 1:1.5, the lower side slope rate is 1:1.75, the anti-skid stability coefficient under a normal working condition is more than or equal to 1.45, and the anti-skid stability coefficient under an abnormal working condition is more than or equal to 1.35.
Example 3
The embodiment provides the building of the energy-concerving and environment-protective roadbed structure of the above-mentioned many solid useless cooperative utilizations: the method comprises the steps of firstly clearing the surface of a foundation 1, clearing surface turf, humus, sundries and the like, wherein the surface clearing thickness is not less than 30cm, and the surface clearing soil is subjected to centralized stacking and storage after the sundries are removed to be used as edge-covered soil 7 for subsequent vegetation slope protection;
a first reverse step 3 is built at the end part of a longitudinal general road section 8, a transition connecting section of a road bed filling material section 2 which is cooperatively utilized with a plurality of solid wastes is arranged, and the first reverse step 3 inclines inwardsThe slope rate is 3% -4%, the step height is 0.5-1.0 m, the slope ratio is 1: 1-1: 2, on the premise of meeting the requirements, the number of steps is as large as possible, more contact surfaces are provided for transition connection, the compaction degree of a roadbed joint part is strictly controlled, a geogrid 4 is laid on the first reverse step 3 and anchored by adopting anchors 10, and the anchors adopt anchors
The steel bars are bent, the anchoring length is not less than 20cm, the anchoring distance is 1m multiplied by 1m, and the paving range is distributed according to a plum blossom shape, so that the integrity and the stability of a roadbed joint part are enhanced, and roadbed reflection cracks and uneven settlement are reduced;
the method is characterized in that a multi-solid waste synergistic utilization roadbed filler is paved on a foundation, the multi-solid waste synergistic utilization roadbed filler is a compacted mixture formed by combining carbide slag, coal ash and coal gangue according to a certain proportion, the ignition loss of the coal ash and the coal gangue is preferably less than 20%, the particle size of the coal ash is 0.001-1.18 mm, the particle content of the coal ash less than 0.075mm is preferably more than 45% for facilitating compaction, and other impurities are not contained in the multi-solid waste synergistic utilization roadbed filler, so that on one hand, the integrity and the stability of the roadbed can be ensured, on the other hand, a large amount of industrial solid waste is consumed by synergistically utilizing the carbide slag, the coal ash and the coal gangue in the roadbed filler, the recycling is realized, and the economic, energy-saving and green environmental protection effects are achieved;
building second reverse steps 9 on two sides of a multi-solid waste cooperative utilization roadbed filling section 2, arranging a transition connecting section with edge-covered soil 7, paving geogrids 4 on the second reverse steps 9, anchoring the geogrids 4 by using anchors 10, and having the technical requirements the same as that of a longitudinal general section 8 and the transition connecting section of the multi-solid waste cooperative utilization roadbed filling section 2, and excavating the second reverse steps 9 to ensure that the width and height of the transverse and longitudinal steps are consistent as far as possible so as to facilitate construction, wherein the multi-solid waste cooperative utilization roadbed filling section 2 needs to be filled and compacted in a layered mode, the layered thickness is 20-30 cm, the compaction degree of a lower embankment is not less than 93%, the compaction degree of an upper embankment is not less than 94%, the compaction degree of the lower embankment is not less than 93%, and the compaction degree of a lower embankment is not less than 96%; and (5) synchronously rolling and constructing the roadbed filling road section 2 and the edge-covered soil 7.
After a road bed filling road section 2 which is filled with multiple solid wastes and utilizes the roadbed filling is utilized, a capping layer 5 is laid within 30cm of an upper roadbed, the capping layer is made of a stabilized soil material doped with 4% of cement and is compacted by rolling, the compaction degree is more than or equal to 96%, and the effects of protecting a roadbed structure, improving the roadbed bearing capacity and the overall stability and isolating a pollution source are achieved;
continue to pave road surface structure part 6 on capping layer 5, at last lay bordure soil 7 in the road bed both sides, bordure soil 7 thickness is 1.0 ~ 2.0m, and roll closely knit, reinforcing side slope stability and bank protection effect, bordure soil 7 adopts the clear surface soil to be used for planting living the bank protection, utilize the clear surface soil of concentrated collection to pave the side slope on the one hand, play economic energy-saving recycle's effect, on the other hand plants living bank protection through utilizing the clear surface soil, not only can protect the roadbed structure, keep apart the pollution source, and also play good afforestation environmental protection and visual aesthetic effect, travelling comfort and security have been guaranteed greatly. For embankments below 5.0m, the side slope rate is 1:1.5, embankments above 5.0m have the upper side slope rate of 1:1.5 and the lower side slope rate of 1:1.75, and when the height of the embankment is more than 5.0m, the stability check calculation of the embankment is required, the anti-skid stability coefficient of the anti-skid embankment is not less than 1.45 under a normal working condition and not less than 1.35 under an abnormal working condition.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a many solid useless energy-concerving and environment-protective roadbed structure that utilizes in coordination which characterized in that includes: the method comprises the following steps of utilizing multiple solid wastes to cooperatively utilize a roadbed filling road section (2), a first reverse step (3), a top sealing layer (5), tipping soil (7), a longitudinal general road section (8) and a second reverse step (9); two sides of the roadbed filler section (2) are provided with second reverse steps (9) by multi-solid waste synergistic utilization, the end part of the longitudinal general section (8) is provided with a first reverse step (3), the second reverse steps (9) are provided with covering soil (7), and the covering soil (7) is surface soil; a top sealing layer (5) is arranged on the multi-solid-waste cooperative utilization roadbed filling road section (2), and the multi-solid-waste cooperative utilization roadbed filling road section (2) is connected with the first reverse step (3).
2. The multi-solid waste recycling energy-saving and environment-friendly roadbed structure according to claim 1, further comprising a geogrid (4), wherein the geogrid (4) is arranged on the first reverse step (3) and the second reverse step (9).
3. The multi-solid waste synergistic energy-saving environment-friendly roadbed structure according to claim 2, wherein the inward inclination rate of the first reverse step (3) and the second reverse step (9) is 3-4%, the step height is 0.5-1.0 m, and the slope ratio is 1: 1-1: 2.
4. The multi-solid waste recycling energy-saving and environment-friendly roadbed structure according to claim 3, characterized in that the roadbed structure further comprises anchor bolts (10), and the geogrid (4) is anchored to the first reverse step (3) and the second reverse step (9) through the anchor bolts (10).
5. The multi-solid waste synergistic energy-saving environment-friendly roadbed structure according to claim 4, wherein the anchoring length of the anchoring bolts (10) is more than or equal to 20cm, the anchoring distance is 1m x 1m, and the anchoring bolts are arranged in a plum blossom shape.
6. The energy-saving and environment-friendly roadbed structure capable of realizing multi-solid waste synergistic utilization according to the claim 4, characterized by further comprising a pavement structure part (6), wherein the pavement structure part (6) is arranged on the capping layer (5).
7. The multi-solid waste recycling energy-saving and environment-friendly roadbed structure according to any one of claims 1-6, wherein the multi-solid waste recycling roadbed filler section (2) is a compacted mixture formed by combining carbide slag, fly ash and coal gangue; the particle size of the fly ash is 0.001-1.18 mm, and the content of fly ash particles smaller than 0.075mm is larger than 45%.
8. The multi-solid waste co-utilization energy-saving and environment-friendly roadbed structure according to any one of claims 1-6, wherein the multi-solid waste co-utilization roadbed filling section (2) is filled in layers, the thickness of each layer is 20-30 cm, the compaction degree of an upper embankment is greater than or equal to 94%, the compaction degree of a lower embankment is greater than or equal to 93%, and the compaction degree of a lower embankment is greater than or equal to 96%.
9. The multi-solid waste synergistic energy-saving environment-friendly roadbed structure according to any one of the claims 1-6, wherein the capping layer (5) is a cement stabilized soil material, and the degree of compaction is more than or equal to 96%.
10. The multi-solid waste synergistic energy-saving environment-friendly roadbed structure according to any one of claims 1 to 6, wherein the thickness of the edge-covered soil (7) is 1.0-2.0 m.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115418903A (en) * | 2022-09-26 | 2022-12-02 | 长沙理工大学 | Embankment humidity control structure provided with garbage carbon wall and construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115418903A (en) * | 2022-09-26 | 2022-12-02 | 长沙理工大学 | Embankment humidity control structure provided with garbage carbon wall and construction method |
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