CN214116866U - Multilayer composite drainage system of abandoned slag yard - Google Patents
Multilayer composite drainage system of abandoned slag yard Download PDFInfo
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- CN214116866U CN214116866U CN202021937463.8U CN202021937463U CN214116866U CN 214116866 U CN214116866 U CN 214116866U CN 202021937463 U CN202021937463 U CN 202021937463U CN 214116866 U CN214116866 U CN 214116866U
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Abstract
The utility model discloses a abandon multi-level compound drainage system in cinder yard, the large-scale volume of abandoning the cinder yard that aims at overcoming among the prior art is big, the heap sediment is high, catchment area is wide often leads to peripheral intercepting ditch cross sectional dimension big, highly hangs and forms so-called "gutter" at the half waist, intercepting ditch export discrepancy in elevation is big, wash away serious problem, provide both can be safe, reliable drainage, can merge into the all ring edge borders's of abandoning the cinder yard multi-level compound drainage system in harmony of suitable again according to the local conditions. The system comprises a main ditch and a branch ditch in the occupation range of the slag dump and a catch ditch on the periphery of slag bodies, wherein the catch ditch is arranged around the periphery, at least one end of the main ditch is communicated with the catch ditch, and one end of the branch ditch is communicated with the main ditch; the main ditch is internally provided with a main drainage culvert, and two sides of the main drainage culvert are provided with first drainage blind ditches.
Description
Technical Field
The utility model relates to a abandon multi-level compound drainage system in cinder yard is applicable to the engineering and abandons interim and permanent drainage in cinder yard.
Background
Large-scale capital construction engineering often involves a large amount of earthwork excavation, and hardly accomplishes the fill balance, needs to set up special abandon the slag yard. The slag yard has loose slag and poor physical and mechanical indexes, and the water interception and drainage system of the arrangement system is very important for the safe and stable operation of the slag yard. It is common practice to arrange a intercepting ditch at the periphery of the top of the slag discarding body and intercept all the peripheral surface water body to the downstream of the slag body for drainage. The spoil area is wide for meeting the spoil capacity requirement, and the spoil area is usually arranged by combining with natural gullies. The large-scale slag disposal site is large in scale and can reach the slag stacking amount of hundreds of thousands of squares, and the height of slag bodies can reach 100-200 m. The large-scale slag disposal site has large volume, high slag piling and wide catchment area, which often results in large section size of the peripheral intercepting ditch, high suspension in the semi-waist to form a so-called gutter, large height difference of the intercepting ditch outlet and serious scouring.
SUMMERY OF THE UTILITY MODEL
The utility model relates to an overcome the large-scale volume of abandoning the slag yard among the prior art big, the heap sediment is high, catchment area extensively leads to peripheral catch basin section size big often, hangs at the half waist and forms so-called "gutter", and catch basin export altitude difference is big, erode serious problem, provides both can be safe, reliably the drainage, again can combine into the all ring edge borders's of abandoning the slag yard multi-level composite drainage system of abandoning the slag yard according to the harmony of local conditions.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model discloses a multi-level composite drainage system of a waste slag yard, which comprises a main ditch and a branch ditch in the occupation range of the waste slag yard and a catch ditch at the periphery of slag bodies, wherein the catch ditch is arranged around the periphery of the slag bodies, at least one end of the main ditch is communicated with the catch ditch, and one end of the branch ditch is communicated with the main ditch; the main ditch is internally provided with a main drainage culvert, and two sides of the main drainage culvert are provided with first drainage blind ditches.
The system forms a multi-level composite drainage system which takes account of the inside and the outside of the slag body by arranging a catch basin at the periphery of the slag body and a drainage culvert and a drainage blind ditch at the bottom of the slag body. The gullies in the occupation range of the slag disposal site can be divided into main gullies and branch gullies according to the size of the catchment area and the depth cutting degree of the gullies. And arranging a intercepting ditch at the periphery of the slag body for intercepting and draining the surface runoff of the hillside. The water collected by the intercepting ditches is collected into the main ditch or the branch ditch of the slag disposal site nearby.
Preferably, the branch ditches comprise a first branch ditch and a second branch ditch, one end of the first branch ditch is communicated with the main ditch, and the other end of the first branch ditch is communicated with the intercepting ditch; one end of the second branch ditch is communicated with the main ditch, and the other end of the second branch ditch extends to the slag body and is terminated.
Preferably, the first branch ditches are internally provided with drainage branches.
Preferably, a second drainage blind ditch is arranged in the second branch ditch.
Preferably, the drainage main culvert adopts a finished concrete round pipe culvert or a cast-in-place concrete box culvert in structural form.
Preferably, the drainage branch culvert adopts a finished concrete round pipe culvert or a cast-in-place concrete box culvert in structural form.
Preferably, the first drainage blind ditch is formed by construction of permeable rockfill, and the upper part of the permeable rockfill is paved with geotextile and a gravel layer.
Preferably, the second drainage blind ditch is formed by construction of permeable rockfill, and the upper part of the permeable rockfill is paved with geotextile and a gravel layer.
Preferably, the drainage main culvert and the drainage branch culvert are communicated with inlets of the intercepting ditches and are provided with grating doors. The grating door is used for preventing the rolling stones, the tree trunks and other foreign matters from blocking the drainage culvert.
Therefore, the utility model discloses following beneficial effect has:
(1) the slope runoff gathered by the intercepting ditches is discharged into the drainage culvert of the main ditch or the branch ditch nearby, the section of the intercepting ditches is small, and slope excavation and vegetation damage can be effectively reduced.
(2) The water bodies of all the drainage branch culverts and the second drainage blind ditches finally converge into the drainage main culverts in the main ditches, and are discharged along the original valleys through the drainage main culverts, so that the original drainage path of water flow is not changed overall, and the large-fall downward discharge and scouring of the high-suspension drainage ditches at the top of the slag body is avoided.
(3) Drainage owner is contained, drainage branch is contained, first drainage french drain, second drainage french drain and is arranged in the slag body bottom along the valley, does not block original drainage route, so abandon the construction progress that the sediment operation can follow closely drainage culvert, drainage french drain, be favorable to the reduction of erection time.
(4) Drainage owner culvert, drainage branch culvert, first drainage french drain, second drainage french drain are all arranged along with original valley, and the surface water body can be natural collect smoothly excrete in the valley, so the slag body outlying catch basin can be waited to be under construction when filling near top, utilizes the slag body as construction platform, saves the construction road and arranges, saves investment and reduces the destruction to natural domatic. And the problem that the intercepting ditch is highly suspended and semi-empty or is buried in the slag body due to the fact that the planning formula amount and the actual formula amount of the discarded slag are not consistent can be avoided.
(5) The drainage culvert, the drainage blind ditch and the intercepting ditch can be implemented by stages according to the staged and partitioned planning of the slag, and the reasonable arrangement of the engineering investment is facilitated.
Drawings
Fig. 1 is a schematic plan view of a multi-level composite drainage system of a refuse dump according to the present application.
Fig. 2 is a sectional view of a main drainage culvert of a multi-level composite drainage system of a refuse dump according to the present application.
Fig. 3 is a sectional view of a second drainage blind ditch of a multi-level composite drainage system of a refuse dump according to the present application.
Fig. 4 is a structural view of a drainage main culvert inlet of a multi-level composite drainage system of a waste slag yard according to the present application.
The figure is marked with: 1. a main trench; 201. a first branch trench; 202. a second branch trench; 3. intercepting a ditch; 4. draining a main culvert; 5. a first drainage blind ditch; 7. a second drainage blind ditch; 8. water permeable rockfill; 9. geotextile; 10. a layer of sand gravel; 11. an inlet; 12. a grille door; 13. topographic contour lines; 14. and (4) stacking a slag body.
Detailed Description
The invention is further described with reference to the accompanying drawings and the detailed description.
As shown in fig. 1, the multi-level composite drainage system of the waste slag yard of the present invention comprises a main ditch 1 and a branch ditch within the occupation range of the waste slag yard, and a catch basin 3 at the periphery of slag body, wherein the catch basin 3 is arranged around the periphery of the slag body 14, at least one end of the main ditch 1 is communicated with the catch basin 3, and one end of the branch ditch is communicated with the main ditch 1; the main ditch 1 is internally provided with a main drainage culvert 4, and two sides of the main drainage culvert 4 are provided with first drainage blind ditches 5.
The branch ditches comprise a first branch ditch 201 and a second branch ditch 202, one end of the first branch ditch 201 is communicated with the main ditch 1, and the other end of the first branch ditch 201 is communicated with the intercepting ditch 3; one end of the second branch trench 202 is communicated with the main trench 1, and the other end of the second branch trench 202 extends to the slag body 14 and terminates. Drainage branches are arranged in the first branch ditches 201. A second drainage blind ditch 7 is arranged in the second branch ditch 202. The water collected by the intercepting ditches 3 needs to be drained in the first branch ditches 201, so drainage branches are arranged in the first branch ditches 201. The second branch ditches 202 are only used for draining the infiltration water body of the slag bodies 14, so the second drainage blind ditches 7 are arranged in the second branch ditches 202.
The multi-level composite drainage system of the abandoned slag yard forms a multi-level composite drainage system which is compatible inside and outside the slag body by arranging the intercepting ditch 3 at the periphery of the slag body and the drainage culvert and the drainage blind ditch at the bottom of the slag body 14. The gullies in the occupation range of the slag disposal site can be divided into a main gully 1 and a branch gully according to the size of the catchment area and the depth cutting degree of the gullies. And a water intercepting ditch 3 is arranged at the periphery of the slag body 14 and is used for intercepting and draining the surface runoff of the hillside. The water collected by the intercepting ditches 3 is collected into the main ditch 1 or the branch ditches of the slag abandoning field nearby. The slope runoff gathered by the intercepting ditches 3 is discharged into the main ditches 1 or the drainage culverts of the branch ditches nearby, the sections of the intercepting ditches 3 are small, and slope excavation and vegetation damage can be effectively reduced.
As shown in fig. 2 and 3, the drainage culvert 4 is structurally a finished concrete round pipe culvert or a cast-in-place concrete box culvert. The drainage branch culvert adopts a finished concrete round pipe culvert or a cast-in-place concrete box culvert in structural form.
The first drainage blind ditch 5 and the second drainage blind ditch 7 have the same construction structure. The construction is carried out by adopting permeable rockfill, and the upper part of the permeable rockfill 8 is paved with geotextile 9 and gravel layer 10.
And the drainage main culvert 4 and the drainage branch culvert are communicated with an inlet 11 of the intercepting ditch 3 and are provided with grating doors 8. The grille door 8 is used to prevent rock rolls, trunks and other foreign objects from blocking the drainage culvert.
The water bodies of all the drainage branch culverts and the second drainage blind ditches 7 finally converge into the drainage main culverts 4 in the main ditches, and are discharged along the original valleys through the drainage main culverts 4, so that the original drainage path of water flow is not changed on the whole, and the large-fall downward discharge and flushing of the high-suspension drainage ditches at the top of the slag body 14 are avoided.
Drainage owner contains 4, drainage branch and contains, first drainage french drain 5, second drainage french drain 7 all arranges in the slag body bottom along the valley, does not block original drainage route, so abandon the construction progress that the sediment operation can follow closely drainage contains, drainage french drain, is favorable to the reduction of erection time.
Drainage owner contains 4, drainage branch and contains, first drainage french drain 5, second drainage french drain 7 all arranges along original valley, and the smooth drainage in the valley is assembled to the surface water body can be natural, so 14 outlying catch basin 3 of sediment body can wait to be under construction again when the sediment body is filled near top, utilizes sediment body 14 as construction platform, saves the construction road and arranges, saves investment and reduces the destruction to natural domatic. And the problem that the intercepting drain 3 is suspended in the air or is buried in the slag body due to the fact that the planning formula amount and the actual formula amount of the discarded slag are not consistent can be avoided.
The drainage culvert, the drainage blind ditch and the intercepting ditch can be implemented by stages according to the staged and partitioned planning of the slag, and the reasonable arrangement of the engineering investment is facilitated.
Claims (9)
1. A multi-level composite drainage system of a slag disposal site comprises a main ditch and a branch ditch in the occupied area of the slag disposal site and a catch ditch on the periphery of slag bodies, and is characterized in that the catch ditch is arranged around the periphery of the slag bodies, at least one end of the main ditch is communicated with the catch ditch, and one end of the branch ditch is communicated with the main ditch; the main ditch is internally provided with a main drainage culvert, and two sides of the main drainage culvert are provided with first drainage blind ditches.
2. The multi-level composite drainage system for the abandoned dreg site as claimed in claim 1, wherein the branch ditches comprise a first branch ditch and a second branch ditch, one end of the first branch ditch is communicated with the main ditch, and the other end of the first branch ditch is communicated with the intercepting ditch; one end of the second branch ditch is communicated with the main ditch, and the other end of the second branch ditch extends to the slag body and is terminated.
3. The multi-level composite drainage system for the waste slag yard as claimed in claim 2, wherein a drainage branch is arranged in the first trench.
4. The multi-level composite drainage system for the refuse dump of claim 2, wherein a second drainage blind ditch is arranged in the second branch ditch.
5. The multi-level composite drainage system of the refuse dump as claimed in claim 1, wherein the drainage culvert is constructed in a form of a finished concrete round pipe culvert or a cast-in-place concrete box culvert.
6. The multi-level composite drainage system of the refuse dump as claimed in claim 3, wherein the drainage branch culvert is constructed in a form of a finished concrete round pipe culvert or a cast-in-place concrete box culvert.
7. The multi-level composite drainage system of the waste residue field as claimed in claim 1, wherein the first drainage blind ditch is formed by construction of permeable rockfill, and geotextile and sand gravel are laid on the upper part of the permeable rockfill.
8. The multi-level composite drainage system of the waste residue field as claimed in claim 4, wherein the second drainage blind ditch is formed by construction of permeable rockfill, and the upper part of the permeable rockfill is paved with geotextile and gravel layer.
9. The multi-level composite drainage system of the waste slag yard as claimed in claim 1, wherein the drainage main culvert and the drainage branch culvert are communicated with the inlet of the intercepting drain and are provided with grating gates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021937463.8U CN214116866U (en) | 2020-09-08 | 2020-09-08 | Multilayer composite drainage system of abandoned slag yard |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021937463.8U CN214116866U (en) | 2020-09-08 | 2020-09-08 | Multilayer composite drainage system of abandoned slag yard |
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| CN214116866U true CN214116866U (en) | 2021-09-03 |
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| CN202021937463.8U Active CN214116866U (en) | 2020-09-08 | 2020-09-08 | Multilayer composite drainage system of abandoned slag yard |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114382097A (en) * | 2022-01-28 | 2022-04-22 | 中铁二院工程集团有限责任公司 | Stage construction method for mountain ditch type slag disposal yard |
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2020
- 2020-09-08 CN CN202021937463.8U patent/CN214116866U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114382097A (en) * | 2022-01-28 | 2022-04-22 | 中铁二院工程集团有限责任公司 | Stage construction method for mountain ditch type slag disposal yard |
| CN114382097B (en) * | 2022-01-28 | 2023-03-21 | 中铁二院工程集团有限责任公司 | Stage construction method for mountain ditch type slag disposal yard |
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