CN218779501U - Foundation ditch bank protection drainage structures - Google Patents
Foundation ditch bank protection drainage structures Download PDFInfo
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- CN218779501U CN218779501U CN202223139296.4U CN202223139296U CN218779501U CN 218779501 U CN218779501 U CN 218779501U CN 202223139296 U CN202223139296 U CN 202223139296U CN 218779501 U CN218779501 U CN 218779501U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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- Y02A10/23—Dune restoration or creation; Cliff stabilisation
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Abstract
The application discloses a foundation pit slope protection drainage structure which comprises a foundation pit side slope, a cast-in-place pile, a first soil retaining assembly and a second soil retaining assembly; the foundation pit side slope comprises a slope top platform, a slope platform and a foundation pit platform which are sequentially arranged from high to low, wherein the slope platform divides the slope of the foundation pit side slope into a first slope and a second slope, and the first slope is higher than the second slope; the cast-in-place pile is inserted between the first slope surface and the slope surface platform, and the slope body of the foundation pit side slope is divided into a first slope body and a second slope body; the first soil retaining assembly comprises a first soil retaining plate for slowing down water flow, and the first soil retaining plate is arranged on the first slope surface; the second soil blocking component comprises a second soil blocking plate used for slowing down water flow, and the second soil blocking plate is arranged on the second slope surface. This application can promote side slope protective capability, reduces the condition of side slope landslide.
Description
Technical Field
The application relates to the technical field of side slope protection, especially, relate to a foundation ditch bank protection drainage structures.
Background
The foundation pit side slope protection is a supporting, reinforcing and protecting measure adopted for the side wall of the foundation pit and the surrounding environment in order to ensure the safety of the construction of an underground structure and the surrounding environment of the foundation pit.
Slopes generally exhibit non-uniform and anisotropic properties and are susceptible to local or transient large deformations or even destabilizing sliding under the influence of external factors, causing landslide. Generally, rainfall is one of the most main factors causing landslide, and due to the massive infiltration of rainwater, the moisture content of a soil stone layer on a side slope body is increased, the weight of the landslide body is increased, and the landslide is generated along with the reduction of the strength of a soil body.
Generally, under the condition that a foundation pit is not deeply excavated, a protective net is generally hung on a slope surface to reduce the falling of broken stones; under the condition of deep excavation of a foundation pit, concrete is generally required to be sprayed to stabilize the slope surface.
However, in the case of a large foundation pit, the stability of the slope is closely related to the water content in the pit, and if the mesh-hanging type slurry spraying method is adopted, the drainage of the slope is deteriorated, and the stability of the slope is lowered. If no landslide prevention measures or measures for isolating water belt continuity of the slope body are provided in the slope body, the occurrence of the slope landslide problem is difficult to slow down.
SUMMERY OF THE UTILITY MODEL
In order to promote side slope protective capability, reduce the condition of side slope landslide, this application provides a foundation ditch bank protection drainage structures.
The application provides a foundation ditch bank protection drainage structures adopts following technical scheme:
a foundation pit slope protection drainage structure comprises a foundation pit side slope, a cast-in-place pile, a first soil retaining assembly and a second soil retaining assembly;
the foundation pit side slope comprises a slope top platform, a slope platform and a foundation pit platform which are sequentially arranged from high to low, wherein the slope platform divides the slope of the foundation pit side slope into a first slope and a second slope, and the first slope is higher than the second slope;
the cast-in-place pile is inserted between the first slope surface and the slope surface platform, and the slope body of the foundation pit side slope is divided into a first slope body and a second slope body;
the first soil retaining assembly comprises a first soil retaining plate for slowing water flow, and the first soil retaining plate is arranged on the first slope surface;
the second soil blocking component comprises a second soil blocking plate used for slowing down water flow, and the second soil blocking plate is arranged on the second slope surface.
By adopting the technical scheme, the cast-in-place pile is inserted between the first slope surface and the slope surface platform, so that the stability of the first slope body can be improved, the moisture flowing from the first slope body to the second slope body can be reduced to a certain extent, and the condition of landslide is reduced; the first soil retaining assembly is arranged on the first slope surface, so that water flow of the first slope surface can be slowed down, and the condition of water and soil loss of the first slope surface is improved; the second soil retaining component is arranged on the second slope surface, the water flow of the second slope surface can be slowed down, the water and soil loss of the second slope surface is improved, and the stability of the first slope body and the second slope body can be improved.
Optionally, the two first soil retaining plates form a group, and the first soil retaining plates are provided with multiple groups; the first soil blocking plates are obliquely arranged, and in the direction from the slope top to the slope bottom of the first slope surface, the first soil blocking plates in the same group gradually approach to each other.
Through adopting above-mentioned technical scheme, the slope of first fender soil board sets up, can slow down rivers, also can guide rivers simultaneously, reduces the condition of soil erosion and water loss.
Optionally, the two second soil blocking plates are in a group, the two second soil blocking plates are fixedly connected, and the second soil blocking plates are provided with a plurality of groups; the second soil blocking plates are obliquely arranged and are gradually far away from each other from the top of the second slope surface to the bottom of the second slope surface.
Through adopting above-mentioned technical scheme, the slope of second fender native board sets up, when rivers flow direction second fender native board, can follow the second fender native board of slope respectively and flow to both sides to slow down the domatic water velocity of second, reduce the condition of soil erosion and water loss.
Optionally, the second soil blocking component further comprises a drainage plate, the drainage plate is arranged on the second slope surface, the drainage plate is arranged at intervals, and the plurality of groups of second soil blocking plates are arranged between the drainage plates.
Through adopting above-mentioned technical scheme, the domatic rivers of second assemble to the drainage plate through the second keeps off the soil plate, and rivers discharge to the foundation ditch platform from the drainage plate, and the setting up of drainage plate can reduce the domatic soil erosion and water loss of second.
Optionally, the second soil blocking assembly further comprises a first connecting plate and a second connecting plate; every group second keeps off native board and keeps away from one end each other and is connected with first connecting plate, the second connecting plate is connected with the drainage plate, the length direction interval setting along the drainage plate of second connecting plate, first connecting plate is connected with the second connecting plate.
By adopting the technical scheme, the first connecting plate is connected with the second connecting plate, so that each group of second soil retaining plates are connected between adjacent drainage plates, and the stability of the second soil retaining assembly is improved; the second connecting plate can form the border of drainage plate, can guide rivers, the drainage of being convenient for.
Optionally, the foundation pit slope protection drainage structure further comprises a drainage ditch, wherein the drainage ditch comprises a first drainage ditch and a second drainage ditch; the first drainage ditch is arranged on the slope platform, and the second drainage ditch is arranged on the foundation pit platform.
Through adopting above-mentioned technical scheme, the rivers of domatic platform can in time be arranged away in first escape canal, and the rivers of foundation ditch platform can in time be arranged away in the second escape canal.
Optionally, drainage wells have been seted up at the second escape canal diapire interval, the drainage plate is towards drainage wells.
Through adopting above-mentioned technical scheme, flow towards the pumping shaft when second escape canal rivers flow through much to the rivers that the drainage plate assembles also can in time arrange to the pumping shaft.
Optionally, the bored concrete pile includes reinforced concrete pile and plain concrete pile, reinforced concrete pile and plain concrete pile in a row and set up in turn, plain concrete pile has the water permeability.
By adopting the technical scheme, the reinforced concrete and the plain concrete are arranged in rows, the plain concrete can permeate water, partial water flow of the first slope body is allowed to flow to the second slope body, the stability of the first slope body can be improved, the load of the first slope body is reduced, and the landslide of the first slope body is reduced.
Optionally, foundation ditch bank protection drainage structures including being used for reducing the protection of facing the limit of soil erosion and water loss, face limit protection set up in on the top of slope platform.
Through adopting above-mentioned technical scheme, face the border protection and can reduce the condition of slope top platform soil erosion and water loss, also can protect first domatic better.
Optionally, face the limit protection and include protecting wall and guard plate, the protecting wall set up in on the top of slope platform, the guard plate set up in on the protecting wall.
Through adopting above-mentioned technical scheme, the stability of protective wall promotion protection, the guard plate has a take the altitude, and the guard plate can reduce slope top platform soil erosion and water loss to first domatic going up.
In summary, the present application includes at least one of the following advantages:
1. the first soil retaining assembly is arranged on the first slope surface, so that water flow of the first slope surface can be slowed down, and the condition of water and soil loss of the first slope surface is improved;
2. the second soil blocking component is arranged on the second slope surface, so that water flow of the second slope surface can be slowed down, and the water and soil loss condition of the second slope surface is improved;
3. reinforced concrete pile and plain concrete stake are in bank and set up in turn and can promote first slope stability.
Drawings
Fig. 1 is an overall schematic view of a foundation pit slope protection drainage structure in embodiment 1 of the present application;
fig. 2 is a schematic view of a foundation pit slope protection drainage structure in embodiment 1 of the present application;
fig. 3 is an enlarged schematic view of a portion a in fig. 2.
Description of reference numerals: 1. foundation pit side slope; 11. a side slope platform; 111. a top of slope platform; 112. a slope platform; 113. a foundation pit platform; 12. a slope surface; 121. a first slope surface; 122. a second slope surface; 13. a side slope body; 131. a first ramp body; 132. a second slope body; 2. edge protection; 21. a protective wall; 22. a protection plate; 3. filling a pile; 31. a reinforced concrete pile; 32. plain concrete piles; 4. a drainage ditch; 41. a first drain ditch; 42. a second drain ditch; 421. a drainage well; 5. a first soil retaining assembly; 51. a first soil retaining plate; 52. a first anchor rod; 53. supporting angle steel; 6. a second soil retaining assembly; 61. a second soil blocking plate; 62. a drainage plate; 63. a first connecting plate; 64. a second connecting plate; 65. a second anchor rod.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
Example 1:
the embodiment 1 of the application discloses a foundation ditch bank protection drainage structures.
Referring to fig. 1, a foundation pit slope protection drainage structure includes a foundation pit slope 1, and the foundation pit slope 1 includes a slope platform 11, a slope surface 12 and a slope body 13. The side slope platform 11 is regarded as a plane excavated on the side slope body 13, the side slope platform 11 comprises a slope top platform 111, a slope surface platform 112 and a foundation pit platform 113, the height of the horizontal plane of the slope top platform 111 is higher than that of the slope surface platform 112, and the height of the horizontal plane of the slope surface platform 112 is higher than that of the foundation pit platform 113. The side slope surface 12 comprises a first slope surface 121 and a second slope surface 122, the first slope surface 121 is located between the slope top platform 111 and the plane platform, the second slope surface 122 is located between the slope surface platform 112 and the foundation pit platform 113, and the area of the second slope surface 122 is larger than that of the first slope surface 121. The side slope body 13 comprises a first slope body 131 and a second slope body 132, and the volume of the first slope body 131 is larger than that of the second slope body 132.
Referring to fig. 1, foundation ditch bank protection drainage structures still includes faces limit protection 2, faces limit protection 2 and includes protecting wall 21 and guard plate 22, and on slope top platform 111 was located to the building of protecting wall 21, protecting wall 21 had a certain interval apart from first domatic 121, reduced the influence to protecting wall 21 when first domatic 121 soil erosion and water loss. The protection plate 22 is fixedly connected with the protection wall 21, and can prevent soil erosion of the first slope surface 121.
Referring to fig. 1, the foundation pit slope protection drainage structure further includes a cast-in-place pile 3, the cast-in-place pile 3 is disposed between the first slope body 131 and the second slope body 132, and the cast-in-place pile 3 includes a reinforced concrete pile 31 and a plain concrete pile 32. Reinforced concrete pile 31 and plain concrete pile 32 are in turn and the interval sets up, and reinforced concrete pile 31 can promote the stability of first slope body 131, and plain concrete pile 32 has the water permeability, and the interval between reinforced concrete pile 31 and the plain concrete pile 32 and plain concrete pile 32 can allow the partial moisture flow in the first slope body 131 to second slope body 132, promote the stability of first slope body 131.
Referring to fig. 1, the foundation ditch slope protection drainage structure further includes a drainage ditch 4, and the drainage ditch 4 includes a first drainage ditch 41 and a second drainage ditch 42. First gutter 41 is disposed on one side of slope platform 112 close to cast-in-place pile 3, and first gutter 41 can collect the rivers of first slope 121 and can in time drain away. The second escape canal 42 sets up in the foundation ditch plane and is close to one side of the domatic 122 of second, and the second escape canal 42 can collect the rivers of the domatic 122 of second and can in time drain away.
Referring to fig. 2, the foundation pit slope protection drainage structure further includes a first soil retaining member 5, and the first soil retaining member 5 includes a first soil retaining plate 51, support angles 53, and first anchor nails. First fender native board 51 is the rectangular plate, and first fender native board 51 is perpendicular with first domatic 121, and first fender native board 51 is provided with a plurality ofly, and two fender native boards are a set of. For the first retaining plate 51 of each set, two first retaining plates 51 are disposed obliquely toward each other, and the pitch of the two first retaining plates 51 becomes gradually smaller in the top-to-bottom direction. Support angle steel 53 is the L shaped plate, supports angle steel 53 one end and the laminating of first domatic 121, supports angle steel 53 other end and the retaining plate 51 fixed connection of first fender. The first anchoring rod 52 penetrates through the support angle iron 53 so as to fix the support angle iron 53 on the first slope surface 121.
Referring to fig. 2, the foundation pit slope protection drainage structure further includes a second soil blocking member 6, and the second soil blocking member 6 includes a drainage plate 62 and a second anchoring rod 65. Drainage plate 62 is the rectangular plate, and drainage plate 62 and the domatic 122 laminating of second, thereby second anchor pole 65 wears to locate drainage plate 62 and the domatic 122 fixed connection of second.
Referring to fig. 1, a plurality of drainage wells 421 are spaced along the length direction of the second drainage ditch 42, and the drainage plates 62 correspond to the drainage wells 421 one by one, so that the drainage plates 62 can guide water flow into the drainage wells 421.
Referring to fig. 2, the foundation ditch slope protection drainage structure further includes a soil blocking unit including a second soil blocking plate 61 and a first connecting plate 63. The second keeps off native board 61 perpendicular with the domatic 122 of second, and two second fender native board 61 fixed connection and mutual slope set up, from the slope top of the domatic 122 of second to the direction at the bottom of the slope, the distance between two second fender native boards 61 grow gradually, and two first connecting plates 63 keep away from one end one-to-one and fixed connection each other with two second fender native boards 61 respectively. Thus, the two second soil blocking plates 61 and the two first connecting plates 63 form a set of soil blocking units provided with a plurality of sets, the soil blocking units being arranged at intervals on the second slope 122.
Referring to fig. 2 and 3, the second soil retaining assembly 6 further includes a second connecting plate 64, the second connecting plate 64 is fixedly connected to the drainage plate 62, the second connecting plate 64 is provided in plurality, the second connecting plates 64 are distributed on both sides of the drainage plate 62 in the width direction, and the second connecting plates 64 are spaced apart along the length direction of the drainage plate 62. The first connecting plate 63 is attached to the second connecting plate 64 and fixedly connected by bolts, in this embodiment, the first connecting plate 63 is attached to the inner side of the second connecting plate 64, and in other embodiments of the present application, the first connecting plate 63 may be attached to the outer side of the second connecting plate 64.
The implementation principle of this application embodiment 1 a foundation ditch bank protection drainage structures does: the side protection 2 can reduce the water and soil loss of the slope top platform 111, and the cast-in-place pile 3 can improve the stability of the first slope body 131. Since each set of the first soil guard plates 51 is inclined toward a direction close to each other, the water flow can be converged to facilitate the drainage of the water flow into the first drainage ditch 41. The second soil guard plate 61 can reduce the water and soil loss, and the water and rainwater in the second slope 132 can be guided by the second soil guard plate 61 to flow from the drainage plate 62 to the drainage well 421.
Example 2:
the embodiment 2 of the application provides a construction method of a foundation pit slope protection drainage structure.
This application embodiment 2 uses the foundation ditch bank protection drainage structures in embodiment 1, and concrete construction method is as follows:
s1: arranging a slope platform 112, and trimming a first slope 121 and a second slope 122;
s2: building an edge protection 2;
s3: a pile pit is drilled and dug between the first slope surface 121 and the slope surface platform 112, and a cast-in-place pile 3 is arranged;
s4: excavating a first drainage ditch 41 and a second drainage ditch 42, and excavating a drainage well 421 in the second drainage ditch 42;
s5: hanging a protective net on the first slope surface 121, installing the first soil retaining assemblies 5, and spraying concrete slurry between the first soil retaining plates 51 of each group;
s6: and hanging a protective net on the second slope surface 122, and installing a second soil retaining component 6.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a foundation ditch bank protection drainage structures which characterized in that: the foundation pit retaining pile comprises a foundation pit slope (1), a cast-in-place pile (3), a first retaining assembly (5) and a second retaining assembly (6);
the foundation pit side slope (1) comprises a slope top platform (111), a slope platform (112) and a foundation pit platform (113) which are sequentially arranged from high to low, the slope platform (112) divides the slope of the foundation pit side slope (1) into a first slope surface (121) and a second slope surface (122), and the first slope surface (121) is higher than the second slope surface (122);
the cast-in-place pile (3) is inserted between the first slope surface (121) and the slope surface platform (112), and the slope body of the foundation pit side slope (1) is divided into a first slope body (131) and a second slope body (132);
the first soil blocking assembly (5) comprises a first soil blocking plate (51) for slowing water flow, and the first soil blocking plate (51) is arranged on the first slope surface (121);
the second soil blocking component (6) comprises a second soil blocking plate (61) used for slowing down water flow, and the second soil blocking plate (61) is arranged on the second slope surface (122).
2. The foundation pit slope protection drainage structure of claim 1, characterized in that: the two first retaining plates (51) form a group, and multiple groups of the first retaining plates (51) are arranged; the first retaining plates (51) are obliquely arranged, and the first retaining plates (51) in the same group gradually approach each other from the top to the bottom of the first slope surface (121).
3. The foundation pit slope protection drainage structure of claim 1, characterized in that: the two second soil blocking plates (61) are in a group, the two second soil blocking plates (61) are fixedly connected, and the second soil blocking plates (61) are provided with a plurality of groups; the second soil blocking plates (61) are obliquely arranged, and the second soil blocking plates (61) are gradually far away from each other from the top of the second slope surface (122) to the bottom of the slope.
4. The foundation pit slope protection drainage structure of claim 3, characterized in that: the second soil blocking component (6) further comprises a drainage plate (62), the drainage plate (62) is arranged on the second slope surface (122), the drainage plate (62) is provided with a plurality of second soil blocking plates (61) at intervals, and the plurality of groups of second soil blocking plates (62) are arranged between the drainage plates (62).
5. The foundation pit slope protection drainage structure of claim 4, characterized in that: the second soil blocking component (6) further comprises a first connecting plate (63) and a second connecting plate (64); one end, far away from each other, of each group of second soil blocking plates (61) is connected with a first connecting plate (63), a second connecting plate (64) is connected with a drainage plate (62), the second connecting plate (64) is arranged at intervals along the length direction of the drainage plate (62), and the first connecting plate (63) is connected with the second connecting plate (64).
6. The foundation pit slope protection drainage structure of claim 4, characterized in that: the foundation pit slope protection drainage structure further comprises a drainage ditch (4), wherein the drainage ditch (4) comprises a first drainage ditch (41) and a second drainage ditch (42); the first drainage ditch (41) is arranged on the slope platform (112), and the second drainage ditch (42) is arranged on the foundation pit platform (113).
7. The foundation pit slope protection drainage structure of claim 6, characterized in that: the bottom wall of the second drainage ditch (42) is provided with drainage wells (421) at intervals, and the drainage plates (62) face the drainage wells (421).
8. The foundation pit slope protection drainage structure of claim 1, characterized in that: the cast-in-place pile (3) comprises reinforced concrete piles (31) and plain concrete piles (32), the reinforced concrete piles (31) and the plain concrete piles (32) are arranged in rows and are arranged alternately, and the plain concrete piles (32) have water permeability.
9. The foundation pit slope protection drainage structure of claim 1, characterized in that: foundation ditch bank protection drainage structures is including facing limit protection (2) that are used for reducing soil erosion and water loss, face limit protection (2) set up in on top of slope platform (111).
10. The foundation pit slope protection drainage structure of claim 9, characterized in that: face limit protection (2) including protecting wall (21) and guard plate (22), protecting wall (21) set up in on top of slope platform (111), guard plate (22) set up in on protecting wall (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223139296.4U CN218779501U (en) | 2022-11-23 | 2022-11-23 | Foundation ditch bank protection drainage structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223139296.4U CN218779501U (en) | 2022-11-23 | 2022-11-23 | Foundation ditch bank protection drainage structures |
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| Publication Number | Publication Date |
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| CN218779501U true CN218779501U (en) | 2023-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202223139296.4U Active CN218779501U (en) | 2022-11-23 | 2022-11-23 | Foundation ditch bank protection drainage structures |
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| CN (1) | CN218779501U (en) |
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- 2022-11-23 CN CN202223139296.4U patent/CN218779501U/en active Active
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