CN218060350U

CN218060350U - A toe crack drainage structures for urban road stabilizes cutting side slope

Info

Publication number: CN218060350U
Application number: CN202220789348.3U
Authority: CN
Inventors: 潘小涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2022-12-16
Anticipated expiration: 2032-04-06

Abstract

The utility model discloses a toe crack log raft structures that is used for urban road to stabilize cutting side slope relates to municipal works technical field. The utility model discloses a concrete surface course, the drainage well has been buried underground to the inside of concrete surface course, and the inside of concrete surface course is provided with the soil horizon, and concrete dado wall basis has been pour to the concrete surface course inside, and the inside of concrete surface course is provided with prevention of seepage geotechnological cloth, and the top of prevention of seepage geotechnological cloth is provided with the metalling, and the inside of concrete surface course is provided with coarse gravel layer, and the bottom flat bed of coarse gravel layer has the tamping clay layer, and the bottom of tamping clay layer meets with the drainage well. The utility model discloses a set up, the utility model discloses in the building structure that shows, can combine slope protection basis excavation one shot forming, protect the basis buried depth simultaneously and increase the concrete barricade that forms, can play the effect to slope "solid foot" to increase the stability of side slope.

Description

A toe crack drainage structures for urban road stabilizes cutting side slope

Technical Field

The utility model belongs to the technical field of municipal works, especially, relate to a toe crack water drainage structure for urban road stabilizes cutting side slope.

Background

Water is the most important environmental factor affecting the performance of the subgrade, and the instability and various deformations of the subgrade are mostly caused by the scouring, infiltration or wetting of surface water and underground water. Along with the expansion of cities, the number of urban road cutting slopes is increasing. Meanwhile, the phenomenon of water outlet of the slope toe of the excavation slope of the cutting is frequent. In order to ensure the stability of the roadbed and improve the deformation resistance of the side slope of the roadbed, corresponding water prevention and drainage measures are required;

according to the technical requirements, at present, the excavation width of most of U-shaped groove drainage systems is large, generally more than one meter, the stability of a stable slope is easily damaged when the grooves are excavated greatly, and meanwhile, a large amount of concrete is required to be poured, so that the construction cost is high. However, under the conditions that the construction cost is limited and the stability of the roadbed excavation cutting slope is not damaged, the current commonly used U-shaped groove drainage system cannot meet the requirements, and even the possibility of secondary slope support caused by slope stability is damaged, so that the construction cost is increased.

Therefore, the existing slope toe crack water drainage structure of the urban road stabilization cutting slope cannot meet the requirements in practical use, so that an improved technology is urgently needed in the market to solve the problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a toe crack water drainage structures for urban road stabilizes cutting side slope, including the concrete surface course, the drainage well has been buried underground to the inside of concrete surface course, the inside of concrete surface course is provided with the soil horizon, concrete surface course inside has pour concrete dado wall basis, the inside of concrete surface course is provided with prevention of seepage geotechnological cloth, the top of prevention of seepage geotechnological cloth is provided with the metalling, the inside of concrete surface course is provided with coarse gravel layer, the bottom flat bed of coarse gravel layer has tamped clay layer, tamped clay layer's bottom and drainage well meet, the guiding gutter has been seted up on the surface of concrete surface course, the water inlet has been seted up to the inside of guiding gutter, the surface of concrete surface course has built the anti-water slope, the perforation equidistance on the surface of anti-water slope has been seted up, the drain pipe has been laid to the inside of concrete surface course, the surface of drain pipe meets with the soil horizon, the one end of drain pipe extends to the inside of drainage well, the one end fixedly connected with the soft hose that permeates water is installed to the drainage mechanism is linked together.

Furthermore, the bottom surface of one side of the water chute, which faces the water inlet, is lower than the top surface of one side of the water chute, which is far away from the water inlet.

Furthermore, the surface of the soft water-permeable hose is sleeved with a water-permeable geotextile.

Further, collect the mechanism and include the rack, the inside one end fixedly connected with rack of inside drainage shaft is arranged in to the drain pipe, the top surface of rack is inserted and is equipped with the porous funnel of square body, the top surface equidistance fixedly connected with of the porous funnel of square body connects the rope, the top of connecting the rope all with transmission silk fixed connection, the top fixedly connected with connecting block of transmission silk, the first hack lever of inside fixedly connected with of drainage shaft, the one end of first hack lever is connected with first runner through the pivot, the transmission silk twines in the surperficial a week of first runner, the surface of connecting block offsets with the gap department surface that first hack lever and first runner are constituteed.

Furthermore, the opening of the top surface of the placing rack is arc-shaped, and the bottom surface of the square porous funnel is arc-shaped.

Furthermore, a second frame rod is fixedly connected inside the drainage well, one end of the second frame rod is connected with a second rotating wheel through a rotating shaft, and the surface of the transmission screw is attached to the surface of the second rotating wheel.

The utility model discloses following beneficial effect has:

the building structure shown in the utility model can be formed by combining the slope protection foundation excavation one-step forming, and meanwhile, the protection foundation burial depth is increased to form a concrete retaining wall, so that the function of 'foot fixing' on the slope can be realized, and the stability of the slope is increased;

meanwhile, pouring of the concrete U-shaped groove can be reduced, engineering cost is effectively reduced, the transverse discharge pipe is arranged according to the municipal rainwater inspection well, the hydraulic path of discharge of water in the infiltration ditch can be greatly reduced, the total water discharge is increased, and excessive erosion of the roadbed by rainwater is avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a partially enlarged schematic view of a portion a in fig. 1 according to the present invention;

fig. 3 is a partially enlarged schematic view of the utility model at B in fig. 1;

fig. 4 is a schematic sectional view of an independent structure of the rainwater flow guiding component of the present invention;

fig. 5 is a partially enlarged schematic view of the present invention at C in fig. 4;

fig. 6 is a partially enlarged schematic view of the present invention at D in fig. 4;

fig. 7 is a partially enlarged schematic view of the point E in fig. 4 according to the present invention;

fig. 8 is a schematic view illustrating the concept of the embodiment of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a concrete facing; 2. a drainage well; 3. a soil layer; 4. a concrete facing wall foundation; 5. anti-seepage geotextile; 6. a crushed stone layer; 7. a coarse gravel layer; 8. tamping the clay layer; 9. a water chute; 10. a water inlet; 11. a reverse water slope; 12. a drain pipe; 13. a flexible water-permeable hose; 14. water-permeable geotextile; 15. Placing a rack; 16. a square porous funnel; 17. connecting ropes; 18. a drive wire; 19. connecting blocks; 20. A first frame bar; 21. a first runner; 22. a second frame bar; 23. a second wheel.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Example 1

Please refer to fig. 1-7, the utility model relates to a toe crack water drainage structure for urban road stabilizes cutting side slope, including concrete surface course 1, drainage well 2 has been buried underground to the inside of concrete surface course 1, the inside of concrete surface course 1 is provided with soil horizon 3, concrete surface course 1 has built internally concrete facing wall basis 4, the inside of concrete surface course 1 is provided with prevention of seepage geotechnological cloth 5, the top of prevention of seepage geotechnological cloth 5 is provided with rubble layer 6, the inside of concrete surface course 1 is provided with coarse gravel layer 7, the bottom tiling of coarse gravel layer 7 has rammed clay layer 8, the bottom of rammed clay layer 8 meets with drainage well 2, aqueduct 9 has been seted up on the surface of concrete surface course 1, water inlet 10 has been seted up in the inside of aqueduct 9, water slope 11 has been pour on the surface of concrete surface course 1, the surface equidistance of water slope 11 has seted up the perforation, the inside laying of concrete surface course 1 has been equipped with drain pipe 12, the surface of drain pipe 12 meets with soil horizon 3, the inside of drain pipe 12 extends to drainage well 2, the one end of drain pipe fixed connection of soft well 13 is connected with the soft hose that permeates water inlet 13 that permeates water collection is connected with the soft hose that permeates water collection mechanism 13, the soft hose that permeates water collection is connected with the soft hose that permeates water collection.

As shown in FIG. 1, the bottom surface of the side of the water chute 9 facing the water inlet 10 is lower than the top surface of the side of the water chute 9 far from the water inlet 10.

In this embodiment, meet the rainy day when this structure, the rainwater can drop to concrete surface course 1 surface, and the rainwater that falls on concrete surface course 1 goes up the slope can be guided by the slope and flows, the vast majority of rainwater can be blockked by anti-water slope 11 and flow to guiding gutter 9, further slope setting through concrete surface course 1 flows in water inlet 10, thereby the rainwater is collected and gets into in the soft formula flexible pipe 13 that permeates water that water inlet 10 docks, the rainwater is again through the soft formula flexible pipe 13 that permeates water to flow to during 12 final entering drainage well 2 of drain pipe, finally realize dredging of rainwater.

As shown in fig. 5, a water permeable geotextile 14 is sleeved on the surface of the soft water permeable hose 13.

In this embodiment, through the setting of geotechnological cloth 14 that permeates water, can be so that the rainwater that is guided to flow in the soft flexible pipe 13 that permeates water can certain degree permeate water flexible pipe 13 and permeate water geotechnological cloth 14 and be absorbed by soil horizon 3 to this great reinforcing drain pipe 12 and the holistic discharge capacity of soft flexible pipe 13 that permeates water, and then make the promotion of the certain degree that the performance of this structure obtained.

As shown in fig. 4-7, the collecting mechanism includes a placing frame 15, the drain pipe 12 is arranged in the one end fixedly connected with placing frame 15 inside the internal drainage well 2, the top surface of the placing frame 15 is inserted with the square porous funnel 16, the top surface equidistant fixedly connected with connecting rope 17 of the square porous funnel 16, the top end of the connecting rope 17 is fixedly connected with the transmission wire 18, the top end fixedly connected with connecting block 19 of the transmission wire 18, the internal fixedly connected with first frame rod 20 of the drainage well 2, one end of the first frame rod 20 is connected with the first rotating wheel 21 through the rotating shaft, the transmission wire 18 is wound on the surface of the first rotating wheel 21 for a week, the surface of the connecting block 19 is abutted to the surface of the gap formed by the first frame rod 20 and the first rotating wheel 21.

In this embodiment, in the process that rainwater flows through the drainage pipe 12 and falls into the drainage well 2, the rainwater can pass through the square porous funnel 16, the rainwater can be filtered to a certain degree through the square porous funnel 16, it is ensured that the rainwater falling into the drainage well 2 does not contain impurities as much as possible, and the blockage of the drainage well 2 is avoided, after the partial structure is used to move, a user can open the well lid above the drainage well 2, the connecting block 19 is pulled to carry the transmission wire 18 to move on the surfaces of the first rotating wheel 21 and the second rotating wheel 23, so that the first rotating wheel 21 and the second rotating wheel 23 rotate to carry out auxiliary conduction on the transmission wire 18 by virtue of the friction force of the contact surface with the transmission wire 18, and the transmission wire 18 finally drives the square porous funnel 16 connected with the connecting rope 17 to lift upwards to be separated from the top surface of the placing frame 15, so that the user can take the square porous funnel 16 out of the inner space of the drainage well 2 and clean up impurities inside the square porous funnel 16;

the user then simply throws the cube funnel 16 into the drainage well 2, gradually releasing the connection block 19, and the connection block 19 falls back into the cube funnel 16 by its weight for further use.

As shown in fig. 6, the opening of the top surface of the placing frame 15 is arc-shaped, and the bottom surface of the square porous funnel 16 is arc-shaped.

In this embodiment, can make the porous funnel of square body 16 fall into this process that rack 15 held in place more smoothly again by the transmission through the setting of the 14 opening parts of geotechnological cloth and the 16 bottom surface arc surfaces of the porous funnel of square body that permeate water, avoid the porous funnel of square body 16 not accurate to its rack 15 open-top and can't fall into the condition appearance of rack 15 smoothly.

As shown in fig. 7, a second frame rod 22 is fixedly connected inside the drainage well 2, one end of the second frame rod 22 is connected with a second rotating wheel 23 through a rotating shaft, and the surface of the driving wire 18 is attached to the surface of the second rotating wheel 23.

In this embodiment, the driving wire 18 can lift the connecting rope 17 to drive the square porous funnel 16 to be separated from the inside of the placing frame 15 in the moving process, and the stress of the connecting rope 17 is located at the center of the placing frame 15, so that the square porous funnel 16 is kept in a horizontal state after being separated from the placing frame 15, and the moving process that the square porous funnel 16 returns to the inside of the placing frame 15 is facilitated.

Example 2

As shown in figure 8, in the concrete implementation process, a concrete foundation for protecting the cut slope surface is utilized, the embedding depth of the concrete foundation is increased to form a concrete toe retaining wall, a U-shaped groove formed by digging a groove base and two side groove walls of the foundation is utilized to arrange a tubular seepage ditch, namely, seepage-proof geotextile is laid on the side wall of the U-shaped groove and the base, geotextile on one side of the slope is laid at a water outlet of the slope toe, one side of the concrete toe wall is laid on the top of the retaining wall, II-grade seepage-proof geotextile with the unit area mass of 500 g/square meter is laid, a soft water permeable pipe with the diameter of phi 200 is arranged at the bottom of the U-shaped groove, the water permeable geotextile is used for wrapping, and finally, the U-shaped groove is backfilled by adopting broken stones to form the tubular seepage ditch. In order to timely drain crack water in the infiltration ditch, a municipal rainwater pipeline inspection well is arranged by combining with an urban road, and a PE plastic pipe with the diameter of 200 is transversely drained into the municipal rainwater inspection well according to the position of the inspection well, so that accumulated water flowing into the infiltration ditch from the toe of the slope is timely drained.

The above is only the preferred embodiment of the present invention, and the present invention is not limited thereto, and any modifications to the technical solutions recorded in the foregoing embodiments, and equivalent replacements to some of the technical features thereof, and any modifications, equivalent replacements, and improvements made belong to the protection scope of the present invention.

Claims

1. A toe crack water drainage structure for an urban road stable cutting slope comprises a concrete surface layer (1) and is characterized in that a drainage well (2) is buried in the concrete surface layer (1), a soil layer (3) is arranged in the concrete surface layer (1), a concrete facing wall foundation (4) is poured in the concrete surface layer (1), an anti-seepage geotextile (5) is arranged in the concrete surface layer (1), a gravel layer (6) is arranged at the top of the anti-seepage geotextile (5), a coarse gravel layer (7) is arranged in the concrete surface layer (1), a rammed clay layer (8) is flatly paved at the bottom of the coarse gravel layer (7), the bottom of the rammed clay layer (8) is connected with the drainage well (2), a water guide groove (9) is formed in the surface of the concrete surface layer (1), and a water inlet (10) is formed in the water guide groove (9);

anti-water slope (11) have been pour on the surface of concrete surface course (1), the perforation has been seted up to the surperficial equidistance on anti-water slope (11), drain pipe (12) have been laid to the inside of concrete surface course (1), the surface and soil horizon (3) of drain pipe (12) meet, the one end of drain pipe (12) extends to the inside of pumping shaft (2), the one end fixedly connected with soft hose (13) that permeates water of pumping shaft (2) is kept away from in drain pipe (12), soft hose (13) fixed connection that permeates water is at the inner wall of concrete surface course (1), the one end and water inlet (10) of soft hose (13) that permeates water are linked together, the internally mounted of pumping shaft (2) has collection mechanism.

2. The toe fissure water drainage structure for urban road stabilization cutting slopes according to claim 1, wherein the bottom surface of the water chute (9) on the side facing the water inlet (10) is lower in topography than the top surface of the water chute (9) on the side far away from the water inlet (10).

3. The toe crack water drainage structure for the urban road stabilization cut slope according to claim 1, characterized in that a permeable geotextile (14) is sleeved on the surface of the soft permeable hose (13).

4. The toe crack water drainage structure for the urban road stability cutting slope according to claim 1, wherein the collection mechanism comprises a placing frame (15), the water drainage pipe (12) is placed in one end of the inside of the internal drainage well (2) and is fixedly connected with the placing frame (15), a square porous funnel (16) is inserted in the top surface of the placing frame (15), top surfaces of the square porous funnels (16) are fixedly connected with connecting ropes (17) in equal intervals, the top ends of the connecting ropes (17) are fixedly connected with transmission wires (18), the top ends of the transmission wires (18) are fixedly connected with connecting blocks (19), a first frame rod (20) of the inside of the drainage well (2) is fixedly connected with the first frame rod (20), one end of the first frame rod (20) is connected with a first rotating wheel (21) through a rotating shaft, the transmission wires (18) are wound on the periphery of the surface of the first rotating wheel (21), and the surface of the connecting blocks (19) is abutted to the surface of a gap formed by the first frame rod (20) and the first rotating wheel (21).

5. The toe fissure water drainage structure for the urban road stabilization cutting slope according to claim 4, wherein the opening of the top surface of the placing frame (15) is arc-shaped, and the bottom surface of the square porous funnel (16) is arc-shaped.

6. The water draining structure for the toe cracks of the stable cutting slope of urban roads according to claim 4, wherein a second frame rod (22) is fixedly connected inside the drainage well (2), one end of the second frame rod (22) is connected with a second rotating wheel (23) through a rotating shaft, and the surface of the transmission wire (18) is attached to the surface of the second rotating wheel (23).