CN116591143A - Retaining wall guiding device of transformer substation in loess area - Google Patents
Retaining wall guiding device of transformer substation in loess area Download PDFInfo
- Publication number
- CN116591143A CN116591143A CN202310481334.4A CN202310481334A CN116591143A CN 116591143 A CN116591143 A CN 116591143A CN 202310481334 A CN202310481334 A CN 202310481334A CN 116591143 A CN116591143 A CN 116591143A
- Authority
- CN
- China
- Prior art keywords
- transformer substation
- retaining wall
- pipe
- diversion
- loess
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 238000001914 filtration Methods 0.000 claims abstract description 18
- 239000004575 stone Substances 0.000 claims abstract description 8
- 239000000835 fiber Substances 0.000 claims abstract description 6
- 239000000945 filler Substances 0.000 claims description 26
- 239000011148 porous material Substances 0.000 claims description 11
- 239000004576 sand Substances 0.000 claims description 6
- 239000004278 EU approved seasoning Substances 0.000 claims description 4
- 235000011194 food seasoning agent Nutrition 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 abstract description 4
- 239000002689 soil Substances 0.000 description 20
- 238000012423 maintenance Methods 0.000 description 9
- 238000012856 packing Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 239000010954 inorganic particle Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000003657 drainage water Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/10—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/007—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in series connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
- B01D24/10—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being held in a closed container
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
Abstract
The utility model belongs to a retaining wall flow guiding device of a transformer substation, in particular to a retaining wall flow guiding device of the transformer substation in loess areas, which is arranged at a slope protection part at the lower part of a surrounding wall of the transformer substation and comprises a flow guiding pipe arranged in the slope protection, one end of the flow guiding pipe is connected with a flow guiding filtering ball positioned at the inner side of the slope protection, the flow guiding device collects underground water seepage in the transformer substation, crushed stone or fiber substances are filled in the ball for preventing loess flowing along with the seepage water from leaking, so that the flow guiding requirement is met, the loss of crushed stone or filiform substances used for filtering is avoided, and the problem that the transformer substation equipment is unstable due to the fact that the loess foundation in the transformer substation is eroded by the seepage water and the subsidence of the induced foundation is eliminated through the flow guiding pipe is solved.
Description
Technical Field
The utility model belongs to a retaining wall flow guiding device of a transformer substation, and particularly relates to a retaining wall flow guiding device of a transformer substation in loess areas.
Background
The transformer substation in loess area is characterized by that it is a station area, and the loess backfill gully is used to make the station area smooth, and a retaining wall is set, and the retaining wall is used to mainly support soil body structures of roadbed filling and hillside soil body, so that it can ensure the roadbed stability, prevent the soil from deforming and landslide, and can protect adjacent roads and buildings. Are often used in steep slope sections, high fill sections or in roadbed sections that are severely flushed by water currents. The retaining wall is constructed to perform drainage work, so that the foundation pit cannot be soaked in water for a long time, and foundation subsidence accidents caused by the water are avoided.
The utility model patent with publication number of CN 204919579U discloses a reverse filtering drain ball which is a hollow sphere and is provided with an integral composite structure with a water inlet and a water outlet, wherein the outer diameter of the reverse filtering drain ball is 220mm, and the inner diameter of the reverse filtering drain ball is 190mm; the diameter of the water inlet holes is 10mm, the water inlet holes are uniformly distributed on the spherical wall, and the spherical center angles between the centers of the adjacent water inlet holes are 20 degrees; the water outlet is a spherical wall opening with the diameter of 60mm; the water inlet holes are filled with hydrophilic modified fibers, and each hole is filled with 0.012-0.015 g of fibers. The spherical structural design of this drainage ball has guaranteed that the soil body normal water gets into the cavity smoothly, and retaining wall PVC drain pipe can be directly with reverse filtering the ball and be connected, has solved other reverse filtering layer rivers and be difficult to concentrate the problem of drain pipe, but this drainage ball can not realize the water conservancy diversion, and it can not open and change inside filler or clear up silt etc. in the ball, and the filter effect can not satisfy loess area needs.
The utility model patent with publication number of CN 213682196U discloses a novel hydraulic engineering retaining wall drainage structure, relates to retaining wall drainage structure technical field, including the retaining wall, one side of retaining wall is provided with the dam body, the dam body is including the basement, the upper end of basement is provided with the gravel layer, the upper end on gravel layer is provided with sand layer, the upper end on sand layer is provided with the waterproof layer, the inboard of retaining wall is provided with the recess, the inside of retaining wall is provided with the apopore, the one end intercommunication recess of apopore, the one end of apopore is provided with the fixed block, the inboard sliding connection of fixed block has the locating lever, the lower extreme of locating lever is provided with the closing plate, the lower extreme of closing plate is provided with the float ball. When the water level of the river channel is raised, the retaining wall drainage structure seals the water outlet, so that water sources in the river channel are prevented from flowing backward towards the inside of the dam body through the water outlet, water accumulation in the dam body is reduced, safety is improved, and slump accidents are reduced. The retaining wall drainage structure is not suitable for loess areas, and is easy to run off under the condition of water due to the special sand characteristics of the loess areas, so that the aim of blocking soil loss and avoiding foundation subsidence cannot be achieved in the loess areas due to a plurality of retaining wall structures.
Disclosure of Invention
The utility model aims to provide a retaining wall flow guiding device for a transformer substation in a loess area, aiming at the problems in the prior art, the flow guiding device collects underground water seepage in the transformer substation, broken stone or fibrous substances are filled in a sphere to prevent loess flowing in along with the seepage from leaking, so that the flow guiding requirement is met, the loss of broken stone or filiform substances used for filtering is avoided, and the instability fault of transformer substation equipment caused by foundation subsidence induced by seepage flushing of the loess foundation in the transformer substation through a flow guiding pipe is solved.
The technical scheme of the utility model is as follows:
the utility model provides a loess area transformer substation retaining wall guiding device sets up in the bank protection department of transformer substation enclosure lower part, including setting up the honeycomb duct in the bank protection, honeycomb duct one end connect and be located the inboard water conservancy diversion filter ball of bank protection.
Specifically, the diversion filter ball comprises a spherical shell, and a plurality of water inlet holes are formed in the shell.
Specifically, the water conservancy diversion filter ball pass through the connecting pipe and be connected with the honeycomb duct, and connecting pipe and honeycomb duct threaded connection.
Specifically, the connection part of the connecting pipe of the diversion filtering ball and the diversion pipe is provided with a filter screen.
Specifically, the draft tube is obliquely arranged, and the included angle between the draft tube and the horizontal plane is 0-60 degrees.
Specifically, the retaining wall guiding device is arranged at the upper half part of the slope protection.
Specifically, the spherical shell of the flow-guiding filtering ball is a sphere formed by splicing two hemispheres, the two hemispheres are connected through a connecting piece, a fine pore window screen used as a separation and support of adjacent packing layers is arranged in the connecting position of the two hemispheres, the fine pore window screen divides the inner part of the spherical shell into a soft packing layer 8 and a hard packing layer, and the soft packing layer is positioned on one side of the connecting flow-guiding pipe.
Specifically, the hard filler layer is filled with sand and stone seasonings, and the soft filler layer is filled with fiber soft fillers.
The retaining wall drainage facility is a drainage measure which is arranged for dredging soil moisture behind a dry wall, preventing ground from leaking underwater, preventing accumulated water behind the wall from forming hydrostatic pressure, reducing frost heaving pressure of backfill soil in cold areas and eliminating expansion pressure of the cohesive soil filler after water invasion. Currently, a drainage facility of a retaining wall is generally composed of two parts, namely inner ground drainage and wall body drainage. Ground drainage ditches can be arranged for ground drainage, and ground water is led and discharged; tamping the top surface of backfill and loosening the soil on the ground to prevent rainwater and ground from seeping underwater, and paving if necessary; the side ditch in front of the toe of the cutting retaining wall should be paved and reinforced to prevent the water in the side ditch from penetrating into the foundation.
In contrast, the scheme adopted in the prior art is that the drainage pipe and the drainage system are matched with the retaining wall, and the drainage pipe and the drainage system are generally added during the construction of the retaining wall due to the complete process of the system. In the conventional construction method of the retaining wall drain pipe and the drainage system, since the drain pipe is directly buried in the wall, if the pipe is broken or the drainage system is blocked, a drilling method or even a partial wall is required to be removed during maintenance. Subsequent maintenance and repair of the conventional retaining wall drain pipe are time-consuming and labor-consuming.
In addition, in the prior art, a retaining wall is also provided with a drain hole for draining water, the drain hole is arranged for draining the accumulated water after the wall, because the stability of soil is closely related to the water content of the soil body, once the water content of the soil body is too large, the bonding strength inside the soil is affected, and the anti-slip capability of the retaining wall is reduced, so that the accumulated water of the soil body after the wall is drained as much as possible, the water content of the soil body is reduced, the soil pressure of the soil body is ensured not to be increased so as to damage the wall body, and in order to ensure that the accumulated water after the wall is smoothly drained, a reverse filter layer is required to be arranged at the water inlet of the drain hole, so that the drain hole cannot be blocked, the drain hole is prevented from losing water and soil, the design of the reverse filter layer is very important, the conventional reverse filter layer is made of stones which extend inwards from the water inlet of the drain hole, the soil is gradually stacked in layers from coarse to fine, and the periphery of the water inlet is fully surrounded when the soil is filled by the retaining wall, so that the reverse filter layer is formed.
The beneficial effects of the utility model are as follows: the utility model provides a retaining wall flow guiding device for a transformer substation in a loess area, which is applied to the retaining wall of the transformer substation in the loess area and mainly comprises a filtering ball and a flow guiding pipe. The method solves the problem that the loess foundation in the transformer substation is subjected to seepage and flushing, and the instability fault of transformer substation equipment caused by foundation subsidence is eliminated through the diversion pipe.
The guide pipe and the filtering ball body of the retaining wall guide device are arranged in a split mode, the arrangement is convenient for later maintenance and management, the guide pipe is only required to be dug from the lower portion of the retaining wall for maintenance in the maintenance process, and the retaining wall cannot be damaged.
The spherical shell of the diversion filter ball is arranged into the spherical body formed by splicing the two hemispheres, the two hemispheres are connected through the connecting piece, and the pore window screen used for separating and supporting the adjacent filler layers is arranged in the joint of the two hemispheres, the pore window screen divides the inner part of the spherical shell into the soft filler layer and the hard filler layer, the soft filler layer is positioned at one side of the connecting guide pipe, and the pore window screen not only can filter inorganic particles with larger particle sizes in sewage, but also can be used for separating and supporting the adjacent filler layers.
Drawings
FIG. 1 is a schematic structural diagram of the installation of the present utility model;
FIG. 2 is a schematic diagram of the structure of the present utility model;
FIG. 3 is a schematic diagram of a filter screen structure;
fig. 4 is a schematic view of a flow-guiding filter ball structure.
1 slope protection, 2 retaining wall guiding device, 3 transformer substation enclosure, 4 transformer substation outlet structure support, 5 water conservancy diversion filter ball, 6 honeycomb duct, 7 filter screen, 8 soft packing layer, 9 hard packing layer, 10 pore window screening, 11 connecting piece.
Detailed Description
The technical scheme of the utility model is described in detail below with reference to the accompanying drawings and the specific embodiments.
Example 1
As shown in FIG. 2, the retaining wall guiding device for the transformer substation is arranged at the slope protection 1 at the lower part of the enclosing wall 3 of the transformer substation, and comprises a guiding pipe 6 arranged in the slope protection 1, and one end of the guiding pipe 6 is connected with a guiding filtering ball 5 positioned at the inner side of the slope protection 1. The diversion filter ball 5 comprises a spherical shell, and a plurality of water inlet holes are formed in the shell. The flow guiding filter ball 5 is connected with the flow guiding pipe 6 through a connecting pipe, and the connecting pipe is in threaded connection with the flow guiding pipe 6. The connection part of the connecting pipe of the diversion filtering ball 5 and the diversion pipe 6 is provided with a filtering net 7.
In concrete work progress, can set up the gradient of honeycomb duct according to ponding position, will generally honeycomb duct 6 slope place, be 0-60 with the contained angle of horizontal plane generally, as shown in fig. 1, the device sets up in the bank protection 1 of the retaining wall below of transformer substation, retaining wall guiding device 2 set up in the upper half of bank protection 1, there is transformer substation's line structure support 1 in the transformer substation, according to ponding condition in the transformer substation, set up in easy ponding department, honeycomb duct 6 gradient is specifically decided according to honeycomb duct 6 and the outside ditch or escape canal of retaining wall, the export of honeycomb duct 6 is easy with water introduction ditch or escape canal. The guide pipe 6 and the guide filter ball 5 of the retaining wall guide device are arranged in a split mode, the arrangement is convenient for later maintenance and management, the guide pipe is only required to be excavated from the lower portion of the retaining wall for maintenance in the maintenance process, and the retaining wall is not damaged.
Example 2
The difference between this embodiment and embodiment 1 is that the spherical shell of the diversion filtering ball 5 is a sphere formed by combining two hemispheres, the two hemispheres are connected by a connecting piece 11, a fine pore window screen 10 used as a separation and support of adjacent filler layers is arranged inside the joint of the two hemispheres, the fine pore window screen divides the interior of the spherical shell into a soft filler layer 8 and a hard filler layer 9, and the soft filler layer 8 is positioned on one side of the connecting diversion pipe 6. The hard filler layer 9 is filled with sand and stone seasonings, and the soft filler layer 8 is filled with fiber soft fillers. The fine pore window screen 10 not only can filter inorganic particles with larger particle sizes in sewage, but also can be used for isolating and supporting adjacent filler layers. The guide device can effectively prevent the loess of the foundation from leaking along with water flowing out of the guide pipe while meeting the requirement of the retaining wall at the ponding position in the transformer substation, and avoid accidents caused by instability of a transformer substation support due to subsidence of the foundation of the transformer substation, wherein the guide filter ball 5 is filled with seasonings before being installed, and the shell is opened through the connecting piece 11 to replace fillers in the guide device if maintenance or replacement is needed, and the connecting piece 11 is generally fastened by a lock or a bolt and a screw or is fixedly connected by a buckle or a clasp.
Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical scheme of the present utility model and are not limiting; while the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present utility model or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the utility model, it is intended to cover the scope of the utility model as claimed.
Claims (8)
1. The retaining wall guiding device of the transformer substation in loess areas is arranged at a slope protection (1) at the lower part of a transformer substation enclosing wall (3), and is characterized by comprising a guiding pipe (6) arranged in the slope protection (1), and one end of the guiding pipe () 6 is connected with a guiding filter ball (5) arranged on the inner side of the slope protection (1).
2. The retaining wall diversion device of the transformer substation in the loess area according to claim 1, wherein the diversion filter ball (5) comprises a spherical shell, and a plurality of water inlet holes are formed in the shell.
3. The retaining wall diversion device of the transformer substation in the loess area according to claim 1, wherein the diversion filtering ball (5) is connected with the diversion pipe (6) through a connecting pipe, and the connecting pipe is in threaded connection with the diversion pipe (6).
4. The retaining wall diversion device of the transformer substation in the loess area according to claim 4, wherein a filter screen (7) is arranged at the joint of the connection pipe of the diversion filter ball (5) and the diversion pipe (6).
5. The retaining wall diversion device of the transformer substation in the loess area according to claim 1, characterized in that the diversion pipe (6) is obliquely arranged, and the included angle between the diversion pipe and the horizontal plane is 0-60 degrees.
6. The retaining wall diversion device of the transformer substation in the loess area according to claim 1, wherein the retaining wall diversion device (2) is arranged on the upper half part of the slope protection (1).
7. The retaining wall guiding device for the transformer substation in the loess area according to claim 2, characterized in that the spherical shell of the guiding filtering ball (5) is a sphere formed by combining two hemispheres, the two hemispheres are connected by a connecting piece (11), a fine pore window screen (10) used as a separation and support of adjacent filler layers is arranged inside the connecting position of the two hemispheres, the fine pore window screen divides the inner part of the spherical shell into a soft filler layer (8) and a hard filler layer (9), and the soft filler layer (8) is positioned on one side of the connecting guide pipe (6).
8. The retaining wall diversion device of the transformer substation in the loess area according to claim 7, wherein the hard filler layer (9) is filled with sand and stone seasonings, and the soft filler layer (8) is filled with fiber soft fillers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310481334.4A CN116591143A (en) | 2023-04-28 | 2023-04-28 | Retaining wall guiding device of transformer substation in loess area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310481334.4A CN116591143A (en) | 2023-04-28 | 2023-04-28 | Retaining wall guiding device of transformer substation in loess area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116591143A true CN116591143A (en) | 2023-08-15 |
Family
ID=87594739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310481334.4A Withdrawn CN116591143A (en) | 2023-04-28 | 2023-04-28 | Retaining wall guiding device of transformer substation in loess area |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116591143A (en) |
-
2023
- 2023-04-28 CN CN202310481334.4A patent/CN116591143A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20230815 |