CN-224227944-U - Easily-cleaned side slope internal drainage structure

CN224227944UCN 224227944 UCN224227944 UCN 224227944UCN-224227944-U

Abstract

The utility model discloses an easily cleaned side slope internal drainage structure, which belongs to the technical field of side slope stability and comprises a drainage bar, wherein one end of the drainage bar is embedded into a side slope deep soil body, the other end of the drainage bar is exposed from a side slope shallow soil body, the top of the drainage bar is provided with a groove, the groove penetrates through two ends of the drainage bar so that the drainage bar is U-shaped, two first porous water permeable plates are arranged in the groove, the two first porous water permeable plates are arranged at intervals up and down, a gap is arranged between the first porous water permeable plates positioned at the lower layer and the inner bottom wall of the groove, and a filter layer is arranged between the two first porous water permeable plates. According to the utility model, the drain strips are embedded into the side slope, so that the drain efficiency of the shallow water of the side slope is improved, the stability of the side slope is improved, the possibility of blocking the grooves caused by precipitation or impurity accumulation is reduced, and the use reliability is improved.

Inventors

CHEN FULIANG
LIU JUNYI
Lv xilin
Yuan tiangang
SHAO YU
LIAO ZUXING
LIU XIANLIN
LI YISHAN
ZHONG WEILIN
TANG ZHENGHUI
QIN JUNHUA
WEI RENKAI

Assignees

广西新发展交通集团有限公司
广西交通设计集团有限公司

Dates

Publication Date: 20260512
Application Date: 20250610

Claims (8)

1. The slope inner drainage structure easy to clean is characterized by comprising a drainage strip (1), wherein one end of the drainage strip (1) is embedded into a slope deep soil body, the other end of the drainage strip is exposed out of a slope shallow soil body, a groove (2) is formed in the top of the drainage strip (1), the groove (2) penetrates through two ends of the drainage strip (1) so that the drainage strip (1) is U-shaped, two first porous water permeable plates (3) are arranged in the groove (2), the two first porous water permeable plates (3) are arranged at intervals up and down, a gap is formed between the first porous water permeable plates (3) located on the lower layer and the inner bottom wall of the groove (2), and a filter layer is arranged between the two first porous water permeable plates (3).
2. The easily cleaned side slope inner drainage structure according to claim 1, wherein the filter layer comprises a fine grain layer (4), a middle grain layer (5) and a coarse grain layer (6) which are paved between the two first porous water permeable plates (3), the fine grain layer (4), the middle grain layer (5) and the coarse grain layer (6) are sequentially arranged from bottom to top, and the particle sizes of the fine grain layer (4), the middle grain layer (5) and the coarse grain layer (6) are sequentially increased.
3. The easily cleaned side slope inner drainage structure according to claim 2, wherein a second porous water permeable plate (7) is respectively paved between the fine grain layer (4) and the middle grain layer (5) and between the middle grain layer (5) and the coarse grain layer (6).
4. The easily cleaned side slope inner drainage structure according to claim 3, wherein geotextiles (8) are respectively laid between the fine particle layer (4) and the first porous water permeable plate (3) positioned below and between the fine particle layer (4) and the second porous water permeable plate (7) adjacent to the fine particle layer.
5. The slope inner drainage structure easy to clean according to claim 1, wherein steps (9) are respectively arranged on two opposite inner side walls of the groove (2), and the first porous water permeable plate (3) positioned at the lower layer is placed on the two steps (9).
6. The slope inner drainage structure easy to clean according to claim 1, wherein a separation plate is placed on the inner bottom wall of the groove (2), the separation plate comprises an outer frame (10), a plurality of scraping plates (11) are fixedly connected in the outer frame (10), and the scraping plates (11) are distributed at equal intervals along the length direction of the groove (2).
7. The easily cleaned side slope inner drainage structure according to claim 6, wherein an included angle is formed between the drainage bar (1) and the horizontal plane, so that the drainage bar (1) is inclined, and one end of the drainage bar (1) embedded into a side slope deep soil body is a high end.
8. The slope inner drainage structure easy to clean according to claim 7, wherein two ends of the drainage strip (1) are fixedly connected with baffle plates (12) respectively, gaps are formed between the bottoms of the baffle plates (12) and the tops of the separation plates, a plurality of protrusions (13) are fixedly connected to the end face of the drainage strip (1) at the lower end, and the protrusions (13) are located on the inner bottom wall of the groove (2).

Description

Easily-cleaned side slope internal drainage structure Technical Field The utility model relates to the technical field of side slope stabilization, in particular to an easily cleaned side slope internal drainage structure. Background In the service process of the existing side slope, when the continuous rainfall weather is encountered, the water sources on the surface of the side slope and the shallow layer are difficult to realize rapid export, so that the soil body on the shallow layer of the slope is always in a water saturation state, the cohesive force among soil body particles is reduced due to infiltration of moisture, the self weight of the soil body is increased, the anti-slip force of a local area of the side slope is reduced, the phenomenon of partial softening and collapse of the shallow layer of the side slope is extremely easy to occur, and the stability of the side slope and the safety of the surrounding environment are seriously threatened. Therefore, a side slope inner drainage structure easy to clean is provided. Disclosure of utility model The utility model aims to provide a slope inner drainage structure which is easy to clean and aims to solve or improve at least one of the technical problems. The utility model provides an easily cleaned side slope inner drainage structure, which comprises a drainage strip, wherein one end of the drainage strip is embedded into a side slope deep soil body, the other end of the drainage strip is exposed out of a side slope shallow soil body, a groove is formed in the top of the drainage strip, the groove penetrates through two ends of the drainage strip so that the drainage strip is U-shaped, two first porous water permeable plates are arranged in the groove, the two first porous water permeable plates are arranged at intervals up and down, a gap is formed between the first porous water permeable plate positioned at the lower layer and the inner bottom wall of the groove, and a filter layer is arranged between the two first porous water permeable plates. Preferably, the filter layer comprises a fine particle layer, a middle particle layer and a coarse particle layer which are paved between the two first porous water permeable plates, the fine particle layer, the middle particle layer and the coarse particle layer are sequentially arranged from bottom to top, and the particle sizes of the fine particle layer, the middle particle layer and the coarse particle layer are sequentially increased. Preferably, second porous water permeable plates are respectively paved between the fine particle layer and the middle particle layer and between the middle particle layer and the coarse particle layer. Preferably, geotextiles are respectively paved between the fine particle layer and the first porous water permeable plate positioned below and between the fine particle layer and the second porous water permeable plate adjacent to the fine particle layer. Preferably, steps are respectively arranged on two opposite inner side walls of the groove, and the first porous water permeable plate positioned at the lower layer is placed on the two steps. Preferably, the division plate is placed on the inner bottom wall of the groove, the division plate comprises an outer frame, a plurality of scrapers are fixedly connected in the outer frame, and the scrapers are distributed at equal intervals along the length direction of the groove. Preferably, an included angle is formed between the drainage strip and the horizontal plane, so that the drainage strip is inclined, and one end of the drainage strip embedded into the deep soil body of the side slope is a high end. Preferably, two ends of the drainage strip are fixedly connected with baffle plates respectively, a gap is arranged between the bottom of the baffle plates and the top of the partition plate, a plurality of protrusions are fixedly connected on the end face of the drainage strip at the lower end, and the protrusions are positioned on the inner bottom wall of the groove. The utility model has the following technical effects that the drainage strips are embedded into the side slope, when the side slope is subjected to continuous rainfall weather, rainwater in the soil body on the shallow layer of the side slope flows into the grooves through the filtration of the filter layer and is discharged out of the side slope through the bottom of the grooves, so that the discharge efficiency of the water on the shallow layer of the side slope is improved, the stability of the side slope is improved, and the water flow can be preliminarily filtered through the arrangement of the filter layer, so that the smoothness of the bottom of the grooves is conveniently maintained, the possibility of blocking the grooves caused by precipitation or impurity accumulation is reduced, and the use reliability is improved. Drawings The accompanying drawings, which are included to provide a further understanding of the application and are incorporated