CN217480206U - Geotechnical engineering design's slope prevention of seepage water structure - Google Patents
Geotechnical engineering design's slope prevention of seepage water structure Download PDFInfo
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- CN217480206U CN217480206U CN202221259434.XU CN202221259434U CN217480206U CN 217480206 U CN217480206 U CN 217480206U CN 202221259434 U CN202221259434 U CN 202221259434U CN 217480206 U CN217480206 U CN 217480206U
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Abstract
The utility model provides a geotechnical engineering design's slope prevention of seepage water structure, includes back up coat, second barrier layer, water conservancy diversion layer, first barrier layer and catch basin, the back up coat is fixed in domatic top, the second barrier layer set up in the back up coat top, the water conservancy diversion layer set up in second barrier layer top, first barrier layer set up in water conservancy diversion layer top, lower catch basin set up in domatic bottom, lower catch basin is close to domatic one side top is provided with first filter screen, water conservancy diversion layer bottom with lower catch basin middle part is connected and with the inside intercommunication of lower catch basin. Set gradually back up coat, second barrier layer, water conservancy diversion layer and first barrier layer in domatic top, lose effect as first barrier layer, the rainwater infiltrates first barrier layer below down, and the second barrier layer can prevent that rainwater and domatic water from continuing to infiltrate down, and the water conservancy diversion layer can prevent to soak the second barrier layer for a long time with the water conservancy diversion of second barrier layer top in the catch basin of domatic bottom.
Description
Technical Field
The utility model relates to a side slope engineering technical field, more specifically say, in particular to geotechnical engineering design's side slope prevention of seepage water structure.
Background
Water is an important factor in causing slope instability, and can cause the following adverse effects: the water in the slope body can cause the self weight of the slope body structure to increase, and the sliding force under the side slope is correspondingly increased; the water in the slope body can reduce the physical and mechanical properties of the slope body structure and reduce the stability of the slope; the groundwater in the slope body generates hydrostatic pressure, seepage force and the like to influence the slope stability. Therefore, for slope engineering, the prevention of rainwater and slope water from infiltrating into the interior of a slope body is usually considered as a priority.
In the in-process of geotechnical engineering construction, for preventing that the slope infiltration from appearing soil loss's phenomenon, generally all pour concrete layer or lay geotechnological cloth at the surface of side slope, but under the normal conditions, the barrier layer all sets up the individual layer, along with live time's extension, because the condition of inefficacy appears easily in the barrier layer of individual layer owing to various factors, consequently causes rainwater and slope surface underwater to ooze the condition of slope body inside and take place occasionally.
Therefore, for solving the above problem, the utility model provides a geotechnical engineering design's slope prevention of seepage water structure.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing the technical scheme that can solve above-mentioned problem.
The utility model provides a geotechnical engineering design's side slope prevention of seepage water structure, includes back up coat, second barrier layer, water conservancy diversion layer, first barrier layer and lower catchment basin, the back up coat is fixed in domatic top, the second barrier layer set up in the back up coat top, the water conservancy diversion layer set up in second barrier layer top, first barrier layer set up in the water conservancy diversion layer top, lower catchment basin set up in domatic bottom, lower catchment basin is close to domatic one side top is provided with first filter screen, water conservancy diversion layer bottom with lower catchment basin middle part is connected and with the inside intercommunication in lower catchment basin.
Furthermore, the first impermeable layer is a geomembrane, and the first impermeable layer is fixed above the diversion layer through expansion screws.
Further, still include prevention of seepage cap, prevention of seepage cap cover is located the inflation screw top outside, just the edge of prevention of seepage cap with geomembrane fixed connection.
Furthermore, the second impermeable layer is fixed above the reinforcing layer, the second impermeable layer is an impermeable concrete layer, and the impermeable concrete layer is prepared by mixing cement and bentonite.
Furthermore, the diversion layer is a diversion concrete layer, the diversion concrete layer is fixed above the second impermeable layer, and the diversion concrete layer is made by mixing cement and coarse sand.
Further, the reinforcing layer is a steel wire mesh.
Further, still include water catch basin and L type honeycomb duct, go up the water catch basin and set up in slope body upper surface below, it is provided with the second filter screen to go up the water catch basin top, L type honeycomb duct set up in go up the water catch basin bottom and with go up the water catch basin intercommunication, L type honeycomb duct is kept away from go up the water catch basin one end with lower water catch basin middle part intercommunication.
Furthermore, waterproof paint is coated on the outer sides of the upper water collecting tank and the L-shaped guide pipe.
Furthermore, a third seepage-proofing layer is arranged on the outer side of the L-shaped guide pipe and is made of impermeable concrete in a pouring mode.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a geotechnical engineering design's side slope prevention of seepage water structure sets gradually the back up coat in domatic top, the second barrier layer, water conservancy diversion layer and first barrier layer, lose the prevention of seepage effect when first barrier layer, rainwater and slope underwater infiltration reach first barrier layer below, the second barrier layer can prevent that rainwater and domatic water from continuing to infiltrate down, the water conservancy diversion layer can be with the quick water conservancy diversion of second barrier layer top to the catch basin of domatic bottom, prevent to soak the second barrier layer for a long time, side slope prevention of seepage water structure among the prior art has only solitary barrier layer been solved, along with live time's extension, lose the effect when the barrier layer, rainwater and slope underwater infiltration reach the inside problem of slope.
② the utility model provides a geotechnical engineering design's slope prevention of seepage water structure, geomembrane pass through the inflation screw to be fixed on the water conservancy diversion layer, promote the cling compound stability of geomembrane by a wide margin, outside the inflation screw top was located to the prevention of seepage cap cover, solved the fenestrate seepage problem of inflation screw to the geomembrane.
Third the utility model provides a geotechnical engineering design's slope prevention of seepage water structure, the back up coat is the wire net, and the second barrier layer is the prevention of seepage concrete layer that cement and bentonite mix and form, and the water conservancy diversion concrete layer that the water conservancy diversion layer was made for cement and coarse sand mix, and wire net, second barrier layer and water conservancy diversion layer form a whole, and interfacial strength is high, can guarantee overall structure's stability.
Fourthly the utility model provides a geotechnical engineering design's side slope prevention of seepage water structure is through setting up water collecting tank and L type honeycomb duct for during the rainwater of slope body upper surface flows into water collecting tank, and collect the lower water collecting tank through L type honeycomb duct, effectively intercept the rainwater of slope body upper surface, the drainage of being convenient for alleviates domatic top prevention of seepage water pressure of preventing seepage water structure.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of the forward cutting structure of the anti-seepage structure for slope designed by geotechnical engineering in the embodiment of the present invention.
Fig. 2 is a schematic side sectional structure diagram of the geotechnical engineering design slope anti-seepage structure in the embodiment of the utility model.
Fig. 3 is a schematic top view structure diagram of a geotechnical engineering design slope water seepage preventing structure in the embodiment of the present invention.
In the figure: 1. a reinforcement layer; 2. a second barrier layer; 3. a flow guiding layer; 4. a first barrier layer; 5. a lower water collecting tank; 6. a first filter screen; 7. an expansion screw; 8. an impermeable cap; 9. an upper water collecting tank; 10. an L-shaped guide pipe; 11. a second filter screen; 12. waterproof paint; 13. a third penetration prevention layer; 14. a third filter screen; 15. and a fourth filter screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The specific embodiment is as follows:
as shown in fig. 1, the geotechnical engineering design slope seepage-proofing structure in this embodiment includes a reinforcing layer 1, a second seepage-proofing layer 2, a diversion layer 3, a first seepage-proofing layer 4, and a lower water collecting tank 5. Strengthening layer 1 is fixed in domatic top, second barrier layer 2 sets up in strengthening layer 1 top, water conservancy diversion layer 3 sets up in 2 tops of second barrier layer, first barrier layer 4 sets up in water conservancy diversion layer 3 tops, lower water catch basin 5 sets up in domatic bottom, and the lower water catch basin 5 up end is a little higher than the 4 bottom upper surfaces of first barrier layer, lower water catch basin 5 top is provided with first filter screen 6, first filter screen 6 is L type structure, first filter screen 6 is close to domatic one side upper portion by lower water catch basin 5 and extends to lower water catch basin 5 top, the rainwater and the domatic water of first barrier layer 4 top flow into in the lower water catch basin 5 through first filter screen 6. The bottom of the diversion layer 3 is connected with the middle part of one side, close to the slope, of the lower water collecting pool 5, a third filter screen 14 is arranged at the position, in contact with the diversion layer 3, of the lower water collecting pool 5, and water in the diversion layer 3 flows into the lower water collecting pool 5 through the third filter screen 14.
In this embodiment, the reinforcing layer 1 is a steel wire mesh. The second impermeable layer 2 is an impermeable concrete layer, the impermeable concrete layer is made by mixing cement and bentonite, and the impermeable concrete layer is fixed on the steel wire mesh by spraying to form the second impermeable layer 2. The second impermeable layer 2 formed by solidifying the cement and the bentonite has low permeability and is used as the second impermeable layer 2 below the first impermeable layer 4, and when the first impermeable layer 4 is damaged, the second impermeable layer can effectively prevent underwater infiltration into a slope.
In this embodiment, the diversion layer 3 is a diversion concrete layer made of a mixture of cement and coarse sand, and the diversion concrete layer is fixed on the steel wire mesh by spraying to form the diversion layer 3. The diversion concrete layer formed by the solidification of the cement and the coarse sand has high permeability, so that water in the diversion concrete layer can quickly flow into the lower water collecting tank 5. The steel wire mesh, the second impermeable layer 2 and the diversion layer 3 form a whole, the interface strength is high, and the stability of the whole structure can be ensured.
In this embodiment, as shown in fig. 3, the first impermeable layer 4 is a geomembrane, and the geomembrane is fixed above the flow guiding layer 3 by expansion screws 7. The side slope seepage-proofing structure designed by geotechnical engineering in the embodiment further comprises a seepage-proofing cap 8, specifically, the seepage-proofing cap 8 is hemispherical, the bottom of the seepage-proofing cap 8 is fixedly connected with a brim of which the outer edge forms the seepage-proofing cap 8, the seepage-proofing cap 8 covers the outer side of the top of the expansion screw 7, and the brim of the seepage-proofing cap 8 is fixedly connected with a geomembrane. Specifically, the anti-seepage cap 8 is made of rubber, and the brim of the anti-seepage cap 8 is fixedly bonded with the geomembrane through heating. The geomembrane is fixed on the flow guide layer 3 through the expansion screws 7, so that the anti-sliding stability of the geomembrane is greatly improved, each expansion screw 7 is provided with one anti-seepage cap 8, the anti-seepage cap 8 is made of rubber, the end of each expansion screw 7 is prevented from piercing the anti-seepage cap 8, the connection reliability of the anti-seepage cap 8 and the geomembrane is improved, and the problem of seepage of the expansion screws 7 to the holes punched in the geomembrane is solved.
The geotechnical engineering design slope seepage prevention structure in the embodiment further comprises an upper water collecting tank 9 and an L-shaped guide pipe 10 as shown in fig. 1 and 2. Go up the catch basin 9 and set up in slope body upper surface below, go up catch basin 9 upper end opening and with slope body upper surface same height, go up catch basin 9 upper end and be provided with second filter screen 11. L type honeycomb duct 10 is located last water catch bowl 9 bottom and is linked together with last water catch bowl 9, and L type honeycomb duct 10 keeps away from the one end in last water catch bowl 9 and lower water catch bowl 5 middle part intercommunication. A fourth filter screen 15 is arranged at the contact position of the lower water collecting tank 5 and the L-shaped guide pipe 10. Rainwater on the upper surface of the slope body flows into the upper water collecting tank 9 through the second filter screen 11 and is collected into the lower water collecting tank 5 through the L-shaped guide pipe 10 and the fourth filter screen 15. The upper water collecting tank 9 and the L-shaped guide pipe 10 are arranged, so that rainwater on the upper surface of the slope body flows into the upper water collecting tank 9 and is collected into the lower water collecting tank 5 through the L-shaped guide pipe 10, rainwater on the upper surface of the slope body is effectively intercepted, drainage is facilitated, and seepage-proofing water pressure of an seepage-proofing structure above the slope surface is relieved.
In this embodiment, the outer sides of the upper water collecting tank 9 and the L-shaped flow guide pipe 10 are coated with waterproof paint 12. And a third seepage-proofing layer 13 is poured outside the L-shaped guide pipe 10, the third seepage-proofing layer 13 is made of seepage-proofing concrete, and the seepage-proofing concrete is prepared by mixing cement and bentonite and has low permeability. Waterproof paint 12 is coated on the outer side of the L-shaped guide pipe 10, and impermeable concrete is poured, so that water leakage to the underground can be prevented, and the stability of a side slope is guaranteed. In actual operation, when the water collecting tank 9 and the L-shaped guide pipe 10 are installed, a hole is formed above a slope body, the L-shaped guide pipe 10 with the outer layer coated with waterproof paint is installed, then impermeable concrete is poured, and finally the upper water collecting tank 9 with the outer layer coated with the waterproof paint 12 is installed.
The working principle of the slope anti-seepage structure designed by geotechnical engineering in the embodiment is as follows:
set gradually back up coat 1 in domatic top, second barrier layer 2, water conservancy diversion layer 3 and first barrier layer 4, first barrier layer 4 is the geomembrane, the effect of the prevention of seepage water of height has, cement and grit solidify the concrete water conservancy diversion layer that forms, high permeability has, take place to damage when the geomembrane, the rainwater infiltrates in the water conservancy diversion layer 3, water in the water conservancy diversion layer 3 flows into the lower water collecting tank 5 of domatic bottom under the effect of gravity, cement and bentonite solidify the second barrier layer 2 that forms, low permeability characteristic has, effectively avoid the water in the water conservancy diversion layer to infiltrate below second barrier layer 2, play the prevention of seepage effect.
The steel wire mesh, the second impermeable layer 2 and the flow guide layer 3 form a whole after the concrete is solidified, the interface strength is high, and the stability of the whole impermeable structure above the slope surface can be guaranteed. The geomembrane is fixed on the flow guide layer 3 through the expansion screws 7, so that the anti-sliding stability of the geomembrane is greatly improved, each expansion screw 7 is provided with one anti-seepage cap 8, the anti-seepage cap 8 is made of rubber, the end of each expansion screw 7 is prevented from piercing the anti-seepage cap 8, the connection reliability of the anti-seepage cap 8 and the geomembrane is improved, and the problem of seepage of the expansion screws 7 to the holes punched in the geomembrane is solved.
The upper water collecting tank 9 and the L-shaped guide pipe 10 enable rainwater on the upper surface of the slope body to flow into the upper water collecting tank 9 and to be collected into the lower water collecting tank 5 through the L-shaped guide pipe 10, so that the rainwater on the upper surface of the slope body is effectively intercepted, drainage is facilitated, and seepage-proofing water pressure of a seepage-proofing structure above the slope surface is relieved. Waterproof paint 12 is coated on the outer side of the L-shaped guide pipe 10, and impermeable concrete is poured, so that water can be prevented from leaking underground, and the stability of the side slope is guaranteed.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a geotechnical engineering design's slope prevention of seepage water structure which characterized in that: including back up coat (1), second barrier layer (2), water conservancy diversion layer (3), first barrier layer (4) and lower water catch basin (5), back up coat (1) is fixed in domatic top, second barrier layer (2) set up in back up coat (1) top, water conservancy diversion layer (3) set up in second barrier layer (2) top, first barrier layer (4) set up in water conservancy diversion layer (3) top, lower water catch basin (5) set up in domatic bottom, lower water catch basin (5) are close to domatic one side top is provided with first filter screen (6), water conservancy diversion layer (3) bottom with lower water catch basin (5) middle part is connected and with the inside intercommunication of lower water catch basin (5).
2. The geotechnical engineering designed slope seepage prevention structure according to claim 1, which is characterized in that: the first impermeable layer (4) is a geomembrane, and the first impermeable layer (4) is fixed above the flow guide layer (3) through expansion screws (7).
3. The geotechnical engineering designed slope seepage prevention structure according to claim 2, which is characterized in that: still include prevention of seepage cap (8), prevention of seepage cap (8) cover is located inflation screw (7) top outside, just the brim of a hat of prevention of seepage cap (8) with geomembrane fixed connection.
4. The geotechnical engineering designed slope seepage prevention structure according to claim 1, which is characterized in that: the reinforcing layer (1) is a steel wire mesh.
5. The geotechnically designed slope seepage prevention structure according to any one of claims 1 to 4, wherein: still include water catch bowl (9) and L type honeycomb duct (10) on, water catch bowl (9) set up in slope body upper surface below on, water catch bowl (9) top is provided with second filter screen (11) on, L type honeycomb duct (10) set up in water catch bowl (9) bottom and with water catch bowl (9) intercommunication on, L type honeycomb duct (10) are kept away from the one end of water catch bowl (9) with water catch bowl (5) middle part intercommunication down.
6. The geotechnical engineering designed slope seepage prevention structure according to claim 5, which is characterized in that: and waterproof paint (12) is coated on the outer sides of the upper water collecting tank (9) and the L-shaped guide pipe (10).
7. The geotechnical engineering designed slope seepage prevention structure according to claim 6, which is characterized in that: and a third seepage-proofing layer (13) is arranged on the outer side of the L-shaped guide pipe (10), and the third seepage-proofing layer (13) is made of impermeable concrete by pouring.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221259434.XU CN217480206U (en) | 2022-05-24 | 2022-05-24 | Geotechnical engineering design's slope prevention of seepage water structure |
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| CN202221259434.XU CN217480206U (en) | 2022-05-24 | 2022-05-24 | Geotechnical engineering design's slope prevention of seepage water structure |
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| CN217480206U true CN217480206U (en) | 2022-09-23 |
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| CN202221259434.XU Active CN217480206U (en) | 2022-05-24 | 2022-05-24 | Geotechnical engineering design's slope prevention of seepage water structure |
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- 2022-05-24 CN CN202221259434.XU patent/CN217480206U/en active Active
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