CN217923670U

CN217923670U - Wide platform narrow slope structure suitable for powder loess high slope

Info

Publication number: CN217923670U
Application number: CN202222114890.1U
Authority: CN
Inventors: 马驰; 谢莉; 姜海波; 李凯; 李安乐
Original assignee: CHINA COAL XI'AN DESIGN ENGINEERING CO LTD
Current assignee: CHINA COAL XI'AN DESIGN ENGINEERING CO LTD
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2022-11-29
Anticipated expiration: 2032-08-09

Abstract

The utility model discloses a narrow slope structure of wide platform suitable for powder loess high side slope, including former soil layer, the surface on former soil layer is provided with a plurality of interval distribution's wide and narrow slope structure, wide and narrow slope structure includes the blue or green stone board that top-down set gradually, the stone layer of building a piece, concrete layer, former soil tamp layer and stone bed course, all be formed with back-filling hole between per two wide and narrow slope structures, the inside of back-filling hole is provided with the planting earthwork, the stone layer of building a piece that is located former soil layer top position has seted up the catch basin in the direction along blue or green stone board, the escape canal has been seted up in the direction along blue or green stone board in all the other stone layers of building a piece, a plurality of through-hole has been seted up in the direction along its thickness to blue or green stone board. The utility model discloses a rationally design for its structure is favorable to collecting the surface runoff, and its structure can be used to rainy season water storage and dry season, and its structure has effectively improved the environment of soil erosion and loess side slope to a certain extent, has certain practical meaning.

Description

Wide platform narrow slope structure suitable for powder loess high slope

Technical Field

The utility model belongs to the technical field of the artifical side slope, concretely relates to be applicable to narrow slope structure of powder loess high slope wide platform.

Background

In recent years, the continuously-intensified contradiction between human engineering activities and limited land resources is more and more prominent, especially in mountainous areas and hilly gully areas, people try to meet the requirements of engineering construction by changing the landform and landform, artificial side slopes are inevitably generated, along with the gradual improvement of the theoretical level and the construction technology, high side slopes with the height of more than 20m and even more than one hundred meters are widely distributed, and especially in the construction of roads, railways, mine infrastructures and the like, the problem of the high side slopes is increasingly prominent.

The deformation and damage modes of the loess powder, namely the mechanical property and the slope are different from those of the conventional viscous slope. Research results of numerous scholars show that deformation and damage types of loess slopes comprise landslide, slope scouring, collapse, slumping and the like, particularly, in rainy seasons, rainfall in the northern area from seven months to September in a concentrated rainstorm or continuous rainfall mode, accidents such as landslide and slumping are easy to happen to the loess slopes, great threat is caused to public safety, and a large amount of water and soil loss is caused because the loess structure cannot store water resources in dry seasons.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a be applicable to the narrow slope structure of the wide platform of powder loess high side slope, the problem that the sand blown by the wind prevention and cure and the water storage performance of having solved present powder loess structure remain further optimization.

The technical proposal adopted by the utility model is that,

be applicable to wide platform narrow slope structure of powder loess high side slope, including former soil layer, the surface on former soil layer is provided with a plurality of interval distribution's wide narrow slope structure, wide narrow slope structure includes the green stone board that top-down set gradually, the piece stone layer of building, concrete layer, former soil tamp layer and stone bed course, all be formed with the backfill hole between per two wide narrow slope structures, the inside in backfill hole is provided with plants the earthwork, the piece stone layer that lies in former soil layer top position has seted up the catch basin in the direction along green stone board, the escape canal has been seted up in the direction along green stone board in all the other piece stone layers of building, green stone board has seted up a plurality of through-hole in the direction along its thickness.

The utility model is also characterized in that;

the inside top layer of intercepting ditch and escape canal all is provided with waterproof sand layer.

The wide and narrow slope structure comprises an integrally formed wide platform and a narrow slope, the wide platform is formed on the plane of the surface of the stone layer of the building sheet, the narrow slope is formed on the inclined plane of the surface of the stone layer of the building sheet, and the sapphire plate is arranged on the surface of the wide platform.

At least one part between the original soil layer and the stone cushion layer is also provided with an energy dissipation stone cushion layer.

The energy dissipation stone cushion layer is formed by leveling an original soil layer at a steep slope and a sunken part.

The utility model has the advantages that: the utility model is suitable for a narrow slope structure of wide platform of powder loess high side slope, the utility model discloses in, at first be provided with wide platform and narrow slope through building piece stone layer upper end, wide platform upper end is provided with catch basin and escape canal, "wide narrow slope structure" than "equidistance step slope" has better sand blown by wind prevention and cure effect, and it is big to fall rainfall when preventing rainy season, leads to surface water corrosion structure, still is favorable to collecting the surface runoff, makes the structure rainy season water storage dry season of rainy season use.

Be provided with the backfill hole through narrow slope middle part, backfill downthehole portion and be provided with planting earthwork, plant the vegetation on planting the earthwork, utilize domatic and the plane open land of structure to plant resistant sand by wind plant, the root system during vegetation can make soil property compacter, improves soil erosion and water loss effectively, improves loess side slope environment.

Drawings

FIG. 1 is a schematic side sectional view of a wide platform narrow slope structure of a loess powder high slope of the present invention;

fig. 2 is the utility model is suitable for a structural schematic diagram of escape canal in wide platform narrow slope structure of powder loess high slope.

In the figure, 1, the original soil layer; 2. an energy dissipation stone cushion layer; 3. a stone cushion layer; 4. tamping the original soil; 5. a concrete layer; 6. building a stone layer; 7. intercepting a water ditch; 8. a drainage ditch; 9. a sapphire plate; 10. a through hole; 11. backfilling the hole; 12. planting earthwork; 13. planting grass; 14. a wide platform; 15. a waterproof sand layer; 16. and (6) narrowing the slope.

Detailed Description

The following description will be given in detail with reference to the accompanying drawings and the specific embodiment for the narrow slope structure of the wide platform of the loess high slope.

Please refer to fig. 1 and fig. 2, do the utility model provides a be applicable to wide platform narrow slope structure of powder loess high slope, including former soil layer 1, the surface of former soil layer 1 is provided with interval distribution's a plurality of wide and narrow slope structures, is connected with between the wide and narrow slope structure and plants earthwork 12, wide and narrow slope structure is provided with catch water ditch 7 including the green stone board 9, the stone layer of building a sheet 6, concrete layer 5, former soil tamp layer 4, the stone bed course 3 that from top to bottom distribute in proper order, is located the stone layer 6 of building a sheet at former soil layer 1 top, is provided with escape canal 8 in remaining building a sheet stone layer 6.

Intercepting

ditch

7 and 8 inboards in escape canal all are provided with waterproof sand layer 15, use intercepting ditch 7 and escape canal 8 to play the collection effect to the surface runoff, lay waterproof sand in intercepting

ditch

7 and 8 inside in escape canal, form waterproof sand layer 15, it is big to fall rainfall when preventing rainy season, leads to the surface water corrosion structure, still is favorable to collecting the surface runoff.

Use stone sand and soil to pave and fill up, form stone cushion layer 3, use the gap of loess to stone cushion layer 3 to fill and increase the tamp to stone cushion layer 3, form former soil tamp layer 4, lay the concrete in former soil tamp layer 4 top, form concrete layer 5, concrete layer 5 top is provided with step stone layer 6, use the step stone to lay on concrete layer 5, form step stone layer 6, step stone layer 6 surface forms wide narrow slope structure, wide narrow slope structure includes integrated into one piece's wide platform 14 and narrow slope 16, step stone layer 6 surface plane is wide platform 14 promptly, step stone layer 6 surface inclined plane is narrow slope 16 promptly. The structure of whitewashed loess side slope has formed the structure of wide platform 14 with narrow slope 16 after having laid stone layer 6 of building pieces, "wide narrow slope structure" has better sand wind prevention and control effect than traditional "equidistance cascade slope", has avoided carrying out large-scale excavation to original geographical situation, has reduced the engineering volume, uses intercepting ditch 7 and escape canal 8 can play the collection effect to the surface runoff.

And a backfill hole 11 is formed between the two wide and narrow slope structures, and the backfill hole 11 can accommodate planting earthwork 12. Planting has planted grass 13 on planting earthwork 12, utilize domatic and the plane open space of structure to plant resistant sand blown by wind plant, root system during vegetation can make the soil property more compact, improve soil erosion effectively, improve loess side slope environment, cut ditch 7 and escape canal 8 top all are provided with blue or green stone board 9, a plurality of through-hole 10 has been seted up according to cut ditch 7 and escape canal 8's demand to blue or green stone board 9, blue or green stone board 9 can prevent effectively when dry season that sand blown by wind from blockking up cut ditch 7 and escape canal 8, through-hole 10 holds the ground runoff.

The surface of the top end of the original soil layer 1 is connected with an energy dissipation stone cushion layer 2. An energy dissipation stone cushion layer 2 can be additionally arranged. Energy dissipation stone bed course 2 utilizes the energy dissipation stone to lay and forms, can set up on former soil horizon 1 surface according to the abrupt slope on former soil horizon surface and sunken needs relatively, can lay on the slope on former soil horizon 1 surface as required promptly, also can lay on the flat slope on former soil horizon 1 surface, and the energy dissipation stone can effectually slow down the surface runoff.

The utility model is suitable for a theory of operation of the narrow slope structure of wide platform of powder loess high side slope is: the original silty loess layer is an original soil layer 1, energy dissipation stones are used for filling steep slopes and depressions on the original soil layer 1 to form an energy dissipation stone cushion layer 2, the energy dissipation stones can effectively slow down surface runoff, stone sandy soil is used for paving to form a stone cushion layer 3, loess is used for filling gaps of the stone cushion layer 3 on the stone cushion layer 3 and heightens and tamps the stone cushion layer 3 to form an original soil tamping layer 4, concrete is paved above the original soil tamping layer 4 to form a concrete layer 5, rubbles are used for paving on the concrete layer 5 to form a stone masonry layer 6, the original silty loess slope forms a structure with a wide platform 14 and a narrow slope 16 after the rubbles are paved, so that large-scale excavation of original physical form is avoided, the engineering volume has been reduced, set up cut-off ditch 7 and escape canal 8 on wide platform 14, at cut-off ditch 7 and the inside waterproof sand of laying of escape canal 8, form waterproof sand bed 15, rainfall is big when preventing rainy season, lead to surface water corrosion structure, still be favorable to collecting the surface runoff, lay blue or green slabstone 9 above cut-off ditch 7 and escape canal 8, blue or green slabstone 9 can prevent effectively that the sand blown by the wind from blockking up cut-off ditch 7 and escape canal 8 when dry season, through-hole 10 has been seted up on blue or green slabstone 9, through-hole 10 bears the ground runoff, set up planting earthwork 12 in backfilling hole 11, it has planted grass planting 13 to plant on planting earthwork 12, utilize domatic and the plane open space of structure to plant resistant sand blown by the wind plant, improve the environment.

The utility model is suitable for a narrow slope structure of wide platform of powder loess high side slope through reasonable design for its structure is favorable to collecting the surface runoff, and the structure is used in rainy season water storage dry season, effectively improves the environment of soil erosion and loess side slope to a certain extent, has certain practical meaning.

Claims

1. Be applicable to narrow slope structure of wide platform of powder loess high side slope, including former soil layer (1), its characterized in that: the surface of former soil layer (1) is provided with a plurality of interval distribution's wide and narrow slope structure, wide and narrow slope structure includes that top-down sets gradually's green stone board (9), builds piece stone layer (6), concrete layer (5), former soil tamp layer (4) and stone bed course (3), per two all be formed with between the wide and narrow slope structure and backfill hole (11), the inside of backfill hole (11) is provided with plants earthwork (12), is located the drainage ditch (8) have been seted up in the direction along green stone board (9) in building piece stone layer (6) of former soil layer (1) top position, all the other drainage ditch (8) have been seted up in the direction along green stone board (9) in building piece stone layer (6), a plurality of through-hole (10) have been seted up in the direction along its thickness in green stone board (9).

2. The wide platform narrow slope structure suitable for the loess high slope as claimed in claim 1, wherein: the inside top layers of the intercepting ditch (7) and the drainage ditch (8) are provided with waterproof sand layers (15).

3. The wide platform narrow slope structure suitable for the loess high slope as claimed in claim 1, wherein: the wide and narrow slope structure comprises an integrally formed wide platform (14) and a narrow slope (16), the wide platform (14) is formed on the plane of the surface of the stone layer (6) of the building sheet, the narrow slope (16) is formed on the inclined plane of the surface of the stone layer (6) of the building sheet, and the sapphire plate (9) is arranged on the surface of the wide platform (14).

4. The wide platform narrow slope structure suitable for the loess high slope as claimed in claim 1, wherein: at least one part between the original soil layer (1) and the stone cushion layer (3) is also provided with an energy dissipation stone cushion layer (2).

5. The wide platform narrow slope structure suitable for the loess high slope according to claim 4, wherein: the energy dissipation stone cushion layer (2) is formed by leveling energy dissipation stones used by the original soil layer (1) at a steep slope and a sunken part.