CN212103515U

CN212103515U - Subgrade and pavement filled with argillaceous silty sandstone

Info

Publication number: CN212103515U
Application number: CN202020316836.3U
Authority: CN
Inventors: 刘钊君; 王凤芹
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-15
Filing date: 2020-03-15
Publication date: 2020-12-08
Anticipated expiration: 2030-03-15

Abstract

The utility model relates to a road building technical field discloses a muddy silty rock fills out road bed road surface, fills out road bed road surface's waterproof ability for improving muddy silty rock, the protection stratum reticulare has been laid on the upper strata of silty rock road bed, and the both sides of silty rock road bed have all been cast and have been given birth to the sewer, waterproof bottom of spreading has been laid on the upper strata of protection stratum reticulare, the grit is laid on the upper strata of cement layer and is spread the layer, the asphalt base face has been laid on the upper strata that the grit was spread the layer. The utility model discloses a trapezoidal structure's sewer is protected the support of silt rock road bed both sides, protects under the enhancement protection of stratum reticulare to the silt rock road bed at stainless steel material protection stratum reticulare, can improve silt rock road bed overall structure's fastness, through waterproof laying to the waterproof laying of silt rock road bed at the bottom of laying, under the combination of sewer and hydrophobic pipeline, can effectually dredge the stream and discharge external rainwater, avoid rainwater infiltration to lead to softening, subsiding to the silt rock road bed.

Description

Subgrade and pavement filled with argillaceous silty sandstone

Technical Field

The utility model relates to a road building technical field specifically is a muddy silty rock fills out roadbed pavement.

Background

The argillaceous siltstone is a rock which is formed by carrying sand grains with water, depositing the sand grains on a riverbed, piling the sand grains firmly for thousands of years and cementing the sand grains under the action of geological physics, and because the argillaceous siltstone is softened when meeting water, the water-proof capability is needed to pay extra attention to building a roadbed and a road surface in the geology of the argillaceous siltstone soil.

Through retrieval, the Chinese patent network discloses a muddy siltstone filling roadbed and road surface structure (publication number CN 207227881U), which comprises a roadbed and ditches positioned at two sides of the roadbed, wherein an impermeable layer, a cushion layer, a stabilizing layer, an asphalt bottom layer, an asphalt middle layer and an asphalt surface layer are sequentially arranged above the roadbed from bottom to top, impermeable concrete is arranged on the inner wall, the outer wall and the bottom wall of the ditch from the impermeable layer to the bottom of the ditch, and the impermeable layer comprises a water seepage collection and drainage system, geotextile, HDPE (high-density polyethylene) film and GLC (polyvinyl chloride) cushion which are sequentially arranged from top to bottom. Accordingly, those skilled in the art have provided a muddy silty rock filled roadbed pavement to solve the problems set forth in the background art described above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a muddy silty rock fills out roadbed road surface to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a road bed road surface is filled out to muddy silty rock, includes the silty rock road bed, the protection stratum reticulare has been laid to the upper strata of silty rock road bed, and the both sides of silty rock road bed are all cast and have the sewer, the inboard middle part position department block that is located of sewer has the screening rack, waterproof bottom of laying has been laid to the upper strata of protection stratum reticulare, waterproof top of laying has been laid cement and has been spread the layer, the grit is spread the layer is laid to cement and has been laid the upper strata, the bitumen base level has been laid to the upper strata of grit shop, the inboard that the bitumen base level is located bottom position department symmetry and is provided with hydrophobic pipeline, hydrophobic pipeline's water inlet closing cap has hydrophobic well lid.

As a further aspect of the present invention: the asphalt base surface comprises an asphalt bottom layer, an asphalt middle layer is laid above the asphalt bottom layer, an asphalt top layer is laid above the asphalt middle layer, and the thicknesses of the asphalt bottom layer, the asphalt middle layer and the asphalt top layer are not less than 2 cm.

As a further aspect of the present invention: the waterproof bottom of spreading includes the gravel bottom, the level of spreading has been laid to the top of gravel bottom, waterproof geotechnological cloth layer has been laid to the top of level of spreading, the hydrophobic layer has been laid to the top on waterproof geotechnological cloth layer, the hydrophobic tank has been seted up in the upper surface embedding of hydrophobic layer.

As a further aspect of the present invention: the drainage end of the drainage groove extends to the interior of the sewer, and the spacing distance of the drainage groove is not higher than 20 cm.

As a further aspect of the present invention: the bottom of sewer is the trapezium structure of mutual symmetry, the external diameter of screening rack and the internal diameter looks adaptation of sewer.

As a further aspect of the present invention: the protection net layer is made of stainless steel components, and meshes of the protection net layer are of a regular hexagon structure.

As a further aspect of the present invention: hydrophobic hole has been seted up to the upper surface of hydrophobic well lid, the outlet of hydrophobic pipeline is in the position department directly over the screening rack.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a ladder structure's sewer is protected the support of silt rock road bed both sides, under the protection of stainless steel material protection stratum reticulare to the enhancement of silt rock road bed, can improve silt rock road bed overall structure's fastness, avoid the silt rock road bed because long-time external pressure appears warping, it is loose, the condition of collapsing, waterproof laying to the silt rock road bed through waterproof bed bottom, under the combination of sewer and hydrophobic pipeline, can effectually dredge the discharge to external rainwater, avoid rainwater infiltration to lead to softening to the silt rock road bed, collapse.

Drawings

FIG. 1 is a schematic structural diagram of a subgrade and pavement filled with argillaceous siltstone;

FIG. 2 is a plan view of a muddy siltstone filled roadbed pavement;

fig. 3 is a schematic structural diagram of a waterproof bedding in a muddy silty rock filled roadbed pavement.

In the figure: 1. siltstone roadbed; 2. a protective mesh layer; 3. paving a bottom in a waterproof way; 31. a gravel bottom layer; 32. flattening the layer; 33. a waterproof geotextile layer; 34. a hydrophobic layer; 35. a drainage tank; 4. cement layering; 5. laying sandstone; 6. a sewer; 7. screening a net rack; 8. an asphalt base surface; 81. an asphalt bottom layer; 82. an asphalt middle layer; 83. an asphalt top layer; 9. a hydrophobic well cover; 10. a hydrophobic pipeline.

Detailed Description

Please refer to fig. 1 ~ 3, in the embodiment of the utility model, a muddy silty rock fills out road bed road surface, including the silty rock road bed 1, protective network layer 2 has been laid on the upper strata of silty rock road bed 1, protective network layer 2 adopts stainless steel material component, and protective network layer 2's net is regular hexagon structure, protective network layer 2 through stainless steel material lays the base face of silty rock road bed 1, can improve the integrality of 1 overall structure of silty rock road bed, avoids the condition that the silty rock road bed 1 warp because long-time external pressure appears, loose, sinks.

Sewer 6 has all been cast in the both sides of silt rock road bed 1, the inboard of sewer 6 is located middle part position department block and has screening rack 7, the trapezoidal structure of bottom for mutual symmetry of sewer 6, the external diameter of screening rack 7 and the internal diameter looks adaptation of sewer 6, trapezoidal structure's sewer 6, not only can strengthen the protective capacities to silt rock road bed 1, simultaneously can avoid the rainwater to follow the inside infiltration of sewer to the inboard condition of silt rock road bed 1, and through screening rack 7, can be to the branch and leaf that mixes in the external rainwater, rubbish etc. filters, avoid the branch and leaf, rubbish blocks up sewer 6, lead to the rainwater circulation not smooth, take place the condition that the invar oozes for a long time, the staff of can being convenient for simultaneously cleans the periodic cleaning of sewer 6.

The waterproof bedding bottom 3 is laid on the upper layer of the protective net layer 2, the waterproof bedding bottom 3 comprises a gravel bottom layer 31, a flat laying layer 32 is laid above the gravel bottom layer 31, a waterproof geotextile layer 33 is laid above the flat laying layer 32, a hydrophobic layer 34 is laid above the waterproof geotextile layer 33, a hydrophobic groove 35 is formed in the upper surface of the hydrophobic layer 34 in an embedded mode, in the process of laying the waterproof bedding bottom 3, the gravel bottom layer 31 is laid above the protective net layer 2, the protective net layer 2 is laid and reinforced, the flat laying layer 32 is further laid, the horizontality of a roadbed pavement is ensured, the waterproof geotextile layer 33 and the hydrophobic layer 34 are further laid in sequence, the waterproof capacity of the silty rock roadbed 1 is improved, the drainage end of the hydrophobic groove 35 extends into the sewer 6, the spacing distance of the hydrophobic groove 35 is not higher than 20cm, when external rainwater permeates into the inner side of the roadbed, the hydrophobic layer 34 collects the infiltrating rainwater into the hydrophobic groove 35, and discharged to the drain 6 through the drain groove 35.

A cement layer 4 is laid on the upper layer of the waterproof paving bottom 3, a sand layer 5 is laid on the upper layer of the cement layer 4, an asphalt base surface 8 is laid on the upper layer of the sand layer 5, hydrophobic pipelines 10 are symmetrically arranged at the bottom end position on the inner side of the asphalt base surface 8, the asphalt base surface 8 comprises an asphalt bottom layer 81, an asphalt middle layer 82 is laid above the asphalt bottom layer 81, an asphalt top layer 83 is laid above the asphalt middle layer 82, the thicknesses of the asphalt bottom layer 81, the asphalt middle layer 82 and the asphalt top layer 83 are not less than 2cm, in the process of laying the silty rock roadbed 1, the protective net layer 2, the waterproof bedding bottom 3, the cement layer 4 and the sandstone layer 5 are sequentially laid above the silty rock roadbed 1, further, an asphalt bottom layer 81, an asphalt middle layer 82 and an asphalt top layer 83 are sequentially spread on the gravel layer 5, after each layer of asphalt is paved, the asphalt is compacted, and the overall waterproof capacity of the roadbed and the road surface is improved.

The water inlet closing cap of hydrophobic pipeline 10 has hydrophobic well lid 9, hydrophobic hole has been seted up to the upper surface of hydrophobic well lid 9, the outlet of hydrophobic pipeline 10 is in position department directly over screening rack 7, when suffering external heavy rain, hydrophobic well lid 9 can dredge the guide that flows to the rainwater on the pitch basic plane 8, arrange to sewer 6 inside through hydrophobic pipeline 10, improve silt rock road bed road surface overall structure's hydrophobic ability, avoid appearing the rainwater and deepening the condition to silt rock road bed 1 inside layer by layer.

The utility model discloses a theory of operation is: when the silty rock roadbed pavement is paved, the base surface of the silty rock roadbed 1 is paved through the protective net layer 2 made of stainless steel, the integrity of the whole structure of the silty rock roadbed 1 can be improved, the condition that the silty rock roadbed 1 deforms, loosens and collapses due to long-time external pressure is avoided, the gravel bottom layer 31 is paved above the protective net layer 2, the protective net layer 2 is paved and reinforced, the leveling layer 32 is further paved, the horizontality of the roadbed pavement is ensured, the waterproof geotechnical cloth layer 33 and the hydrophobic layer 34 are paved, the cement paving layer 4 and the gravel paving layer 5 are sequentially paved above the waterproof paving bottom 3, after paving is finished, the asphalt bottom layer 81, the asphalt middle layer 82 and the asphalt top layer 83 are sequentially paved on the gravel paving layer 5, after each layer of asphalt is paved, asphalt is compacted, and the whole waterproof capability of the roadbed is improved, further trapezium's sewer 6, not only can strengthen the protective capacities to siltstone road bed 1, can avoid the rainwater to follow the inside infiltration of sewer to the inboard condition of siltstone road bed 1 simultaneously, and through screening rack 7, can filter the branch and leaf of mixing in the external rainwater, rubbish etc. avoids branch and leaf, rubbish blocks up sewer 6, lead to the rainwater circulation not smooth, take place the condition that the invar oozes for a long time, the staff of being convenient for simultaneously cleans the periodic cleaning of sewer 6.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A muddy siltstone filled roadbed pavement comprises a siltstone roadbed (1) and is characterized in that a protective net layer (2) is laid on the upper layer of the siltstone roadbed (1), and sewers (6) are cast on both sides of the silty rock roadbed (1), a screening net rack (7) is clamped at the middle position of the inner side of each sewer (6), a waterproof bedding bottom (3) is laid on the upper layer of the protective net layer (2), a cement paving layer (4) is laid on the upper layer of the waterproof bedding bottom (3), a sand layer (5) is laid on the upper layer of the cement layer (4), a tar base surface (8) is laid on the upper layer of the sand layer (5), drainage pipelines (10) are symmetrically arranged at the bottom end positions of the inner sides of the asphalt base planes (8), the water inlet of the drainage pipeline (10) is covered with a drainage well cover (9).

2. The muddy siltstone roadbed pavement according to claim 1, wherein the asphalt base surface (8) comprises an asphalt bottom layer (81), an asphalt middle layer (82) is laid above the asphalt bottom layer (81), an asphalt top layer (83) is laid above the asphalt middle layer (82), and the thicknesses of the asphalt bottom layer (81), the asphalt middle layer (82) and the asphalt top layer (83) are not less than 2 cm.

3. The argillaceous siltstone filling roadbed pavement according to claim 1, wherein the waterproof bedding foundation (3) comprises a gravel bottom layer (31), a flat layer (32) is laid above the gravel bottom layer (31), a waterproof geotextile layer (33) is laid above the flat layer (32), a hydrophobic layer (34) is laid above the waterproof geotextile layer (33), and a hydrophobic groove (35) is formed in the upper surface of the hydrophobic layer (34) in an embedded manner.

4. A muddy silty rock filled subgrade pavement according to claim 3, characterized in that the drainage end of the drainage groove (35) extends to the interior of a sewer (6), and the separation distance of the drainage groove (35) is not higher than 20 cm.

5. The muddy silty rock filling subgrade and pavement according to claim 1, characterized in that the bottom end of the sewer (6) is in a symmetrical ladder-shaped structure, and the outer diameter of the screening net rack (7) is matched with the inner diameter of the sewer (6).

6. The argillaceous siltstone filled roadbed pavement according to claim 1, wherein the protective net layer (2) is made of stainless steel material, and the meshes of the protective net layer (2) are in a regular hexagon structure.

7. The muddy silty rock filling subgrade and pavement according to claim 1, characterized in that the upper surface of the drainage well cover (9) is provided with drainage holes, and the drainage port of the drainage pipeline (10) is positioned right above the screening net rack (7).