CN214763910U - Retaining wall crosses water tunnel filter equipment - Google Patents
Retaining wall crosses water tunnel filter equipment Download PDFInfo
- Publication number
- CN214763910U CN214763910U CN202121254567.3U CN202121254567U CN214763910U CN 214763910 U CN214763910 U CN 214763910U CN 202121254567 U CN202121254567 U CN 202121254567U CN 214763910 U CN214763910 U CN 214763910U
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- retaining wall
- sand
- steel wire
- sand layer
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 239000010410 layer Substances 0.000 claims abstract description 112
- 239000004576 sand Substances 0.000 claims abstract description 72
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 40
- 239000010959 steel Substances 0.000 claims abstract description 40
- 238000001914 filtration Methods 0.000 claims abstract description 37
- 239000002689 soil Substances 0.000 claims abstract description 30
- 239000012792 core layer Substances 0.000 claims abstract description 10
- 239000004746 geotextile Substances 0.000 claims abstract description 8
- 239000002245 particle Substances 0.000 claims description 14
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 3
- 239000002023 wood Substances 0.000 claims description 3
- 230000008859 change Effects 0.000 abstract description 5
- 230000003014 reinforcing effect Effects 0.000 abstract description 4
- 239000012466 permeate Substances 0.000 abstract description 2
- 239000004575 stone Substances 0.000 description 7
- 238000010276 construction Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 229910001335 Galvanized steel Inorganic materials 0.000 description 2
- 239000008397 galvanized steel Substances 0.000 description 2
- 210000001624 hip Anatomy 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Retaining Walls (AREA)
Abstract
The utility model discloses a retaining wall water-passing hole filtering device, which comprises a filtering device arranged in the soil body at one side of the retaining wall water-passing hole, wherein the filtering device comprises a baffle plate connected with the water-passing hole, a filter core layer, geotextile, a combined sand layer and a pebble layer which are sequentially connected from the baffle plate to the soil body, and a steel wire mesh connected between the combined sand layer, between the combined sand layer and the pebble layer and outside the pebble layer; the bottom of the steel wire mesh is connected by steel plates or fine mesh steel wire meshes to form a frame shape. The utility model, through the arrangement of the baffle, on one hand, permeates water through the main board, and on the other hand, provides a connection foundation for the frame formed by the reinforcing mesh; through the arrangement of the combined sand layer and the pebble layer, the filtering can be carried out in a layered and fractional manner; and are separated by reinforcing mesh; filtration is carefully carried out through filtering core layer, and through the setting of location layer, can also change the use.
Description
Technical Field
The utility model belongs to the technical field of the construction, in particular to retaining wall crosses water hole filter equipment.
Background
Along with city construction's development, the application to retaining wall is very extensive in the work progress, and retaining wall can be used for reducing soil and stone side area, prevents that the soil property from being washed away by rivers. According to different application forms, the retaining wall is divided into different construction forms, and in the building construction process, the work of draining the retaining wall is very important, so that the improvement of soil on one side of the retaining wall and the reduction of saturated water in the soil are core technologies. There is no targeted study on the filtration of the drainage and the convenient installation and circulation of the drainage device.
SUMMERY OF THE UTILITY MODEL
The utility model provides a retaining wall crosses water hole filter equipment for but solve filtration, the convenient installation of filter equipment and the cyclic application scheduling technical problem of crossing water hole department on the retaining wall.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a retaining wall water passing hole filtering device comprises a filtering device arranged in a soil body on one side of a water passing hole of a retaining wall, wherein the filtering device comprises a baffle plate connected with the water passing hole, a filter core layer, geotextile, a combined sand layer and a pebble layer which are sequentially connected from the baffle plate to the soil body, and steel wire meshes connected among the combined sand layer, between the combined sand layer and the pebble layer and outside the pebble layer; the bottom of the steel wire mesh is connected by steel plates or fine mesh steel wire meshes to form a frame shape.
Furthermore, the filtering device is trapezoidal, two sides of the trapezoid are horizontally arranged, the bottom side inclination adapts to the inclination of the drainage ditch, and the bottom sides are connected with the drainage ditch in sequence.
Furthermore, the baffle comprises a square main board arranged at the center and connecting boards connected to the periphery of the square main board, the main board is a grid board, and a net port of the main board is opposite to the water passing hole.
Furthermore, the connecting plate is a steel plate, a wood plate or a hard plastic plate, and is fixedly connected with the retaining wall through a connecting piece; the connecting pieces are rod pieces and at least extend into the retaining wall by 300 mm.
Furthermore, the filter core layer is a sponge filter core, and two sides of the filter core, which are outward and have no soil body, are open; the junction of the filter element layer and the baffle is also provided with a positioning layer.
Furthermore, the location layer is the Contraband layer, and opening one side joint filter element layer, vertical side back and baffle fixed connection.
Furthermore, the combination sand bed contains two-layer sand bed at least, and two-layer sand bed is first sand bed and second sand bed, all is provided with the spaced wire net between first sand bed and the filter core layer, between first sand bed and the second sand bed and between second sand bed and the cobble layer.
Further, the average particle size of sand in the first sand layer is not more than 6mm, the average particle size of sand in the second sand layer is not more than 8mm, and the particle size of pebbles in the pebble layer is not more than 12 mm; the grain diameter of each sand layer in the combined sand layer is larger than the pore diameter of the steel wire mesh along the water flow direction.
Furthermore, the steel wire mesh is arranged on the periphery and the top of the combined sand layer and the pebble layer in a water direction, and the steel wire mesh is fixedly connected with the connecting plate.
The beneficial effects of the utility model are embodied in:
1) the utility model, through the arrangement of the baffle, on one hand, permeates water through the main board, and on the other hand, provides a connection foundation for the frame formed by the reinforcing mesh;
2) the utility model can filter in layers and parts by combining the sand layer and the pebble layer; and are separated by reinforcing mesh;
3) the utility model discloses a filter core layer filters meticulously, and through the setting on location layer, can also change the use.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention; the primary objects and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description.
Drawings
FIG. 1 is a schematic construction view of a retaining wall water passing hole filtering device;
FIG. 2 is a schematic view of a retaining wall flume tunnel filter assembly;
fig. 3 is a partial schematic view of a retaining wall water tunnel filter assembly.
Reference numerals: the concrete comprises 1-soil body, 2-retaining wall, 3-water passing hole, 4-filtering device, 41-baffle, 411-main board, 412-connecting board, 42-connecting piece, 43-filter core layer, 44-geotextile, 45-first sand layer, 46-steel wire mesh, 47-second sand layer, 48-pebble layer and 49-positioning layer.
Detailed Description
As shown in fig. 1 to 3, a retaining wall water passing hole filtering device comprises a filtering device 4 arranged in a soil body 1 on one side of a water passing hole 3 of a retaining wall 2, wherein the filtering device 4 comprises a baffle plate 41 connected with the water passing hole 3, a filter element layer 43, a geotextile 44, a combined sand layer and a pebble layer 48 which are sequentially connected from the baffle plate 41 to the soil body 1, and a steel wire mesh 46 connected among the combined sand layers, between the combined sand layer and the pebble layer 48 and outside the pebble layer 48; the bottom of the steel wire mesh 46 is connected by steel plates or fine mesh steel wire mesh 46 to form a frame shape.
In this embodiment, filter equipment 4 is trapezoidal, and two trapezoidal waists level setting and base gradient adapt to the gradient in escape canal, end waist and escape canal connect in the same direction as the escape canal.
The drain hole is reserved in the construction process of the retaining wall 2, the drainage filtering device 4 is placed on one side of the retaining wall 2, the steel wire mesh 46 is pressed into the lower portion of the steel sheet, and the upper end and the lower end of the filtering device 4 are fixed on the retaining wall 2 through expansion bolts. The drainage filtering device 4 filters in four layers. The steel wire mesh 46 is further arranged on the periphery and the top of the combined sand layer and pebble layer 48 in the water direction, and the steel wire mesh 46 is fixedly connected with the connecting plate 412.
In this embodiment, the baffle 41 includes a square main board 411 disposed at the center and a connecting board 412 connected to the periphery of the square main board 411, the main board 411 is a grid board, and the grid of the main board 411 faces the water hole 3. The connecting plate 412 is a steel plate, a wood plate or a hard plastic plate, and the connecting plate 412 is fixedly connected with the retaining wall 2 through the connecting piece 42; the connecting piece 42 is a rod piece and at least extends into the retaining wall by 2300 mm.
In this embodiment, the filter element layer 43 is a sponge filter element, and two sides of the filter element, which are outward and have no soil body 1, are open; a positioning layer 49 is also provided at the junction of the filter layer 43 and the baffle plate 41. The positioning layer 49 is an Contraband-shaped layer, the open side of which is clamped with the filter element layer 43, and the vertical side of which is fixedly connected with the baffle plate 41.
In this embodiment, the combination sand layer contains two-layer sand layer at least, and two-layer sand layer is first sand layer 45 and second sand layer 47, all is provided with divided wire net 46 between first sand layer 45 and the filter core layer 43, between first sand layer 45 and the second sand layer 47 and between second sand layer 47 and pebble layer 48. The average particle size of sand in the first sand layer 45 is not more than 6mm, the average particle size of sand in the second sand layer 47 is not more than 8mm, and the particle size of pebbles in the pebble layer 48 is not more than 12 mm; the particle size of each sand layer in the combined sand layer is larger than the pore size of the steel wire mesh 46 along the water flow direction.
When in use, the pebble layer 48 adopts pebbles with the particle size of 12mm and is used for filtering large stones in soil. The pebble bed 48, in contact with the soil, allows the saturated water to flow into the filter device 4 by providing an inlet. What this patent adopted is that the cobble layer 48 is wrapped up with 10 x 10 mm's of interval galvanized steel wire net 46, and steel wire net 46 at first can completely cut off soil and the direct contact of cobble layer 48, avoids soil loss, secondly increases filter area, and steel wire net 46 is sufficient all around and soil contact, and saturated water in the soil can follow the all-round eight directions and flow into cobble layer 48.
The second sand layer 47 is made of sand with an average particle size of 8mm, and is used for filtering fine stones under the first filtering layer flow, and the fine stones filtered by the sand can serve as a first filtering layer to play a role in filtering. Galvanized steel wire meshes 46 with the space of 4 x 4mm are adopted between the second sand layer 47 and the pebble layer 48 and between the pebble layer 45, so that the sand is prevented from running off.
The first sand layer 45 is made of fine stones with a particle size of 6mm, and is used for filtering the remaining stones in the muddy water. The first sand layer 45 is separated from the filter element layer 43 by the geotextile 44, and the geotextile 44 can block a large amount of soil in muddy water and reduce the loss of soil.
The filter medium layer 43 is a sponge for filtering mud and water to reduce soil loss, and once the soil loss is serious near the filter unit 4, a hollow zone is formed nearby or the soil sinks, thereby causing the retaining wall 2 to collapse. The sponge is removable sponge, can carry out the aperiodic change according to local hydrogeological condition and precipitation, can collude the sponge with the hook in 2 outsides in retaining wall during the change, change new filter core can, on pressing close to wall body one side, set up plastics net baffle 41, avoid the sponge filter core to flow away along rivers.
The concrete construction steps are as follows:
the method comprises the following steps: preparing materials with various particle sizes for filtration according to the design requirements of drawings.
Step two: pebbles, sand, stones, a steel wire mesh 46, geotextile 44 and a filter element are sequentially placed in a filtering frame formed by the steel wire mesh 46 according to a drawing.
Step three: the water passing hole 3 is reserved in the retaining wall 2, the filter device 4 is installed at the accessory, after the filter device 4 is located, the upper portion is tightly attached to the retaining wall 2 through the steel wire mesh 46, the steel wire mesh 46 is pressed through the steel sheet, then the steel sheet is fixed through the expansion bolts, the lower portion is installed through the same method, and the water passing hole 3 is suitable for being installed by two persons in the installation process.
Step four: after the installation is finished, soil backfill should be carried out near the filtering device 4 in time, and the soil in contact with the filtering device 4 should be tamped as much as possible to avoid loose soil.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be considered by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention.
Claims (9)
1. The filtering device for the water passing hole of the retaining wall is characterized by comprising a filtering device (4) arranged in a soil body (1) on one side of the water passing hole (3) of the retaining wall (2), wherein the filtering device (4) comprises a baffle (41) connected with the water passing hole (3), a filter core layer (43), geotextile (44), a combined sand layer and a pebble layer (48) which are sequentially connected from the baffle (41) to the soil body (1), and a steel wire mesh (46) connected among the combined sand layers, among the combined sand layer and the pebble layer (48) and outside the pebble layer (48); the bottoms of the steel wire meshes (46) are connected by steel plates or fine mesh steel wire meshes (46) to form a frame shape.
2. A retaining wall water hole filter device according to claim 1, characterized in that the filter device (4) is trapezoidal, the two sides of the trapezoid are horizontally arranged, the bottom side inclination adapts to the inclination of the drainage ditch, and the bottom sides are connected with the drainage ditch in a straight-line manner.
3. A retaining wall water passing hole filtering device according to claim 1, characterized in that the baffle (41) comprises a square main board (411) arranged at the center and a connecting board (412) connected to the periphery of the square main board (411), the main board (411) is a grid board, and the net mouth of the main board (411) is opposite to the water passing hole (3).
4. A retaining wall water tunnel filter device according to claim 3, characterized in that the connecting plate (412) is a steel plate, a wood plate or a rigid plastic plate, the connecting plate (412) is fixedly connected with the retaining wall (2) through the connecting piece (42); the connecting piece (42) is a rod piece and at least extends into the retaining wall (2) by 300 mm.
5. A retaining wall water tunnel filter device according to claim 1, characterized in that the filter element layer (43) is a sponge filter element, and both sides of the filter element which are outward and have no soil body (1) are open; the joint of the filter element layer (43) and the baffle (41) is also provided with a positioning layer (49).
6. A retaining wall water tunnel filter device according to claim 5, characterized in that the said positioning layer (49) is Contraband shaped layer, the open side is clamped with the filter core layer (43), the back of the vertical side is fixed with the baffle (41).
7. A retaining wall water passing hole filtering device according to claim 1, characterized in that the combined sand layer comprises at least two sand layers, the two sand layers are a first sand layer (45) and a second sand layer (47), and separate steel wire meshes (46) are arranged between the first sand layer (45) and the filter element layer (43), between the first sand layer (45) and the second sand layer (47) and between the second sand layer (47) and the pebble layer (48).
8. A retaining wall water passing hole filtering device according to claim 7, characterized in that the average particle size of sand in the first sand layer (45) is not more than 6mm, the average particle size of sand in the second sand layer (47) is not more than 8mm, and the particle size of pebbles in the pebble layer (48) is not more than 12 mm; the grain diameter of each sand layer in the combined sand layer is larger than the pore diameter of the steel wire mesh (46) along the water flow direction.
9. A retaining wall water tunnel filter device according to claim 1, characterized in that the steel wire net (46) is also arranged around and on top of the combined sand and pebble bed (48), and the steel wire net (46) is fixedly connected with the connecting plate (412).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121254567.3U CN214763910U (en) | 2021-06-07 | 2021-06-07 | Retaining wall crosses water tunnel filter equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121254567.3U CN214763910U (en) | 2021-06-07 | 2021-06-07 | Retaining wall crosses water tunnel filter equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214763910U true CN214763910U (en) | 2021-11-19 |
Family
ID=78701364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121254567.3U Expired - Fee Related CN214763910U (en) | 2021-06-07 | 2021-06-07 | Retaining wall crosses water tunnel filter equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214763910U (en) |
-
2021
- 2021-06-07 CN CN202121254567.3U patent/CN214763910U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211119 |