CN210194804U - Drainage system of waste slag yard - Google Patents
Drainage system of waste slag yard Download PDFInfo
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- CN210194804U CN210194804U CN201920431287.1U CN201920431287U CN210194804U CN 210194804 U CN210194804 U CN 210194804U CN 201920431287 U CN201920431287 U CN 201920431287U CN 210194804 U CN210194804 U CN 210194804U
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- drainage
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- slag yard
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Abstract
The application provides a drainage system who abandons slag yard, cut drainage structures including top of slope drainage structure and hoop, top of slope drainage structure is including being located abandon the escape canal at the top of slope of slag yard, the hoop cuts drainage structures and winds abandon the edge setting in slag yard, the escape canal with the hoop cuts drainage structures intercommunication. The application provides a drainage system of abandoning slag yard through setting up the escape canal at the top of a slope of abandoning the slag yard, cuts drainage structures around the hoop that abandons the slag yard edge setting, gathers the rainfall in the escape canal, and the rethread is to cutting drainage structures and in time guide the discharge with the top of a slope runoff, avoids the top of a slope runoff to produce to erode the top of a slope, forms the gully, causes even to abandon the slag yard shallow layer and slumps.
Description
Technical Field
The utility model relates to an abandon the cinder yard drainage field, especially relate to a drainage system who abandons cinder yard.
Background
When large linear projects such as railways and highways are constructed, a large amount of waste slag generated in construction is often piled at natural valleys, sloping fields, flat ground and the like, generally, the drainage design of a waste slag yard is only to excavate a drainage channel at a slope toe, and accumulated water at the slope toe is guided to the natural channel through the drainage channel and is drained. However, because the waste slag filling is high, the capacity is large, the occupied area is large, the slope top is relatively flat, the slope top runoff generated by rainfall is not easy to discharge, the slope top is often scoured to form a gully, and even the shallow layer of the waste slag field collapses.
SUMMERY OF THE UTILITY MODEL
In view of this, the present application expects to provide a drainage system of abandoning slag yard, solves abandoning the timely discharge of slag yard slope top runoff, avoids the problem that the shallow layer slumps, in order to solve above-mentioned technical problem, the technical scheme of this application embodiment is realized like this:
the application provides a drainage system who abandons slag yard, cut drainage structures including top of slope drainage structure and hoop, top of slope drainage structure is including being located abandon the escape canal at the top of slope of slag yard, the hoop cuts drainage structures and winds abandon the edge setting in slag yard, the escape canal with the hoop cuts drainage structures intercommunication.
Further, drainage system still includes domatic drainage structures, domatic drainage structures including set up in abandon on the domatic of slag yard and along abandon domatic from last intercepting ditch of the setting up of the layer in proper order down of slag yard, intercepting ditch with the hoop cuts drainage structures intercommunication.
Furthermore, the slope surface drainage structure also comprises a drainage hole which is arranged on the slope surface of the slag disposal site and is positioned above the intercepting ditch;
the included angle between the axis of the drain hole and the horizontal plane is 5-15 degrees; and/or the diameter of the drain hole is 90-110 mm.
Preferably, the drainage ditches are distributed in a net shape.
Preferably, the interval between two adjacent drainage ditches in the same direction is 20-40 meters.
Preferably, the bottom surface of the drainage ditch is a longitudinal slope and is communicated with the annular water intercepting and draining structure, and the gradient of the longitudinal slope is 3% -6%.
Furthermore, the annular water intercepting and draining structure is an annular gutter, and the section of the annular gutter comprises a trapezoidal section and a platform positioned on one side of the trapezoidal section, which is close to the slag disposal field;
the gradient of the platform is 3% -6%; and/or the section width of the platform is more than 1 m; and/or the width of the bottom of the circumferential gutter is more than 0.6 m.
Further, drainage system still includes toe hydrophobic construction, toe hydrophobic construction includes the barricade that has the outlet, the barricade setting is in abandon the toe department in slag yard.
Furthermore, the toe hydrophobic structure further comprises at least one layer of drainage mesh pad pre-buried inside the abandoned slag field, and the drainage mesh pad is arranged along an axis parallel to the abandoned slag field.
Further, the toe hydrophobic structure further comprises a reverse filtering layer, and the reverse filtering layer covers the end face, close to the slag discarding field, of the retaining wall;
and/or the toe hydrophobic structure further comprises a sealing layer connected with the top of the retaining wall.
The application provides a drainage system of abandoning slag yard through setting up the escape canal at the top of a slope of abandoning the slag yard, cuts drainage structures around the hoop that the edge of abandoning the slag yard set up, gathers the rainfall in the escape canal, and the rethread is to cutting drainage structures and in time guide the discharge with the top of a slope runoff, avoids the top of a slope runoff to produce to erode the top of a slope and forms the gully, even causes to abandon the slag yard shallow layer and slumps.
Drawings
FIG. 1 is a schematic plan view of a drainage system of a slag dump in an embodiment of the present application;
FIG. 2 is a schematic elevation view of a drainage system of the refuse dump of FIG. 1;
FIG. 3 is a schematic cross-sectional view of the annular cut drainage structure of FIG. 1;
FIG. 4 is an enlarged view of a portion of the structure of FIG. 2 at C;
fig. 5 is a schematic cross-sectional structure of the drain hole of fig. 2.
Reference numerals: a top slope drainage structure 1; a drain 11; a circumferential water intercepting and draining structure 2; an annular gutter 21; a trapezoidal cross section 211; a platform 212; a slope surface drainage structure 3; a catch basin 31; a drain hole 32; a drain pipe 33; a toe hydrophobic structure 4; a retaining wall 41; a drain hole 411; a drainage mat 42; the inverted filter layer 43; a sealing layer 44; a natural canal 5; the top of the slope 100 of the waste slag yard; a slope surface 200 of the waste slag yard; the toe 300 of the refuse dump.
Detailed Description
The present application will now be described in further detail with reference to the accompanying drawings and specific examples.
Referring to fig. 1 and 2, an embodiment of the present application provides a drainage system of a waste residue field, including a slope top drainage structure 1 and a circumferential water intercepting drainage structure 2, where the slope top drainage structure 1 includes a drainage ditch 11 located at a slope top 100 of the waste residue field, the circumferential water intercepting drainage structure 2 is disposed around an edge of the waste residue field, and the drainage ditch 11 is communicated with the circumferential water intercepting drainage structure 2.
The edge of the waste slag yard refers to the boundary between the waste slag yard and natural terrains such as natural valleys, sloping fields, flat lands and the like. The annular water stopping and draining structure is arranged around the edge of the slag discarding field, and can be arranged on one side of the slag discarding field, or one side of the natural terrain, or between the slag discarding field and the natural terrain at the boundary.
Because the volume of the slag abandoning field is very large, the slope top is relatively flat, the prior art does not consider how to discharge the runoff of the slope top to the outside of the slag abandoning field, and the accumulated water at the slope toe is drained and discharged to the outside of the slag abandoning field only by arranging a drainage channel at the slope toe of the slag abandoning field. In reality, if the slope top runoff generated by rainfall is discharged in time, the gully can be generated on the slope top to cause shallow layer collapse of the abandoned dreg field, and the gully is easy to permeate into the abandoned dreg field to form a permeation channel, so that the mechanical property of rock and soil mass is softened, the stability of the abandoned dreg field is reduced, the water and soil loss and even instability disasters occur to the whole abandoned dreg field, and disastrous influences are generated on the periphery, particularly areas with lower topography. Therefore, the embodiment of the application provides a drainage system of abandoning slag yard, through constructing top of slope drainage structure and ring direction and cutting off drainage structure, gathers the rainfall in the escape canal, and the ring direction is cut off drainage structure and is in time guided the top of slope runoff and discharge to natural irrigation canals and ditches (or called natural irrigation canals and ditches), cement irrigation canals or other natural environment that can the drainage, avoids the top of slope runoff to produce the scouring to the top of slope and form the gully, causes to abandon the slag yard shallow layer and slumps.
With continued reference to fig. 1 and 2, further, the drainage system further includes a slope drainage structure 3, the slope drainage structure 3 includes intercepting ditches 31 disposed on the slope 200 of the abandoned slag yard and layered in sequence from top to bottom along the slope 200 of the abandoned slag yard, and the intercepting ditches 31 are communicated with the annular intercepting drainage structure 2.
The slope drainage structure is arranged on the slope of the abandoned slag yard, slope runoff is guided to the annular drainage structure through the water intercepting ditch and then guided to the natural ditch through the annular drainage structure to be discharged, slope drainage of the abandoned slag yard is promoted, and the problems of shallow layer slumping and water and soil loss caused by the fact that the slope of the abandoned slag yard is washed by the slope runoff are solved.
Specifically, as shown in fig. 2, the slope surface of the slag disposal site is stepped, and the intercepting drain can be built on the horizontal surface of the slope surface of the stepped slag disposal site, so that the construction of the intercepting drain and the discharge of slope runoff are facilitated. It can be understood that when the slope surface of the waste slag yard is smooth, slope runoff is discharged in a shunting manner by the intercepting ditches which are arranged in layers from top to bottom on the slope surface of the waste slag yard, so that the drainage rate is accelerated.
The water intercepting ditch can be formed by digging a ditch on the slope surface of the waste slag yard, or a baffle plate is arranged on the slope surface of the waste slag yard, the baffle plate and the slope surface of the waste slag yard form the water intercepting ditch, and when the slope surface of the waste slag yard is in a step shape, the baffle plate is arranged on the horizontal plane of the slope surface of the step-shaped waste slag yard.
Further, the slope surface drainage structure 3 further comprises a drainage hole 32 which is arranged on the slope surface 200 of the slag disposal site and is positioned above the intercepting ditch 31.
Specifically, the included angle between the axis of the drainage hole 32 and the horizontal plane is 5 to 15 degrees, for example, 5 degrees, 8 degrees, 12 degrees, and 15 degrees.
The slope surface of the waste slag yard is provided with the drain holes, so that the internal seepage water of the waste slag yard can be drained in time, and the problem of instability and collapse of the waste slag yard caused by the accumulated water in the waste slag yard is avoided. The included angle between the axis of the drain hole and the horizontal plane is 5-15 degrees, and particularly when the included angle between the axis of the drain hole and the horizontal plane is 10-15 degrees, the water flow in the drain hole is conveniently drained to the intercepting ditch under the action of gravity.
Specifically, the diameter of the drainage hole 32 is 90 to 110 mm, such as 90 mm, 100 mm, 110 mm.
The diameter of the drain hole is too large, the drain hole is easy to collapse and unstable in structure, the diameter of the drain hole is too small, drainage of the drain hole is not convenient, when the diameter of the drain hole is 90-110 mm, the drain hole is convenient to maintain a stable structure, and effective drainage can be achieved.
Preferably, referring to fig. 5, the drain hole 32 is provided with a drain pipe 33 therein.
The drain hole is internally provided with the drain pipe, so that the structural stability of the drain hole is enhanced, and the water flow in the drain hole is favorably drained. Specifically, the drainage pipe is an inner support type filiform seepage and drainage net pipe which has the characteristics of difficult aging, long service life, good water collection performance, good drainage performance and the like, and is convenient for discharging water flow in the waste disposal site.
Preferably, the drainage ditches 11 are distributed in a net shape, such as a well-type distribution, a diamond-shaped net distribution, etc.
The drainage ditches are distributed in a net shape, so that rainfall can be accumulated conveniently, and the water flow at the top of the slope of the waste slag yard can be discharged quickly. The intersections of the drainage channels in the net are preferably interconnected.
Preferably, the distance between two adjacent drainage ditches 11 in the same direction is 20-40 m. Specifically, the escape canal 11 is the well type and distributes, and the interval between two escape canals 11 adjacent transversely, two escape canals 11 adjacent vertically is 20 ~ 40 meters.
The interval is 20 ~ 40 meters between two adjacent escape ditches of same direction, both can gather the rainfall fast, and the rainwater of being convenient for is discharged, can save the manual work and the material resources that set up the escape ditch cost again.
Further, the bottom surface of the drainage ditch 11 is in a longitudinal slope (not shown) and is communicated with the annular water intercepting and draining structure 2, and the gradient of the longitudinal slope is 3% -6%.
The longitudinal slope is beneficial to the flow of water in the drainage ditch from the drainage ditch to the annular water intercepting and draining structure, wherein the gradient of the longitudinal slope is overlarge, and the height drop of the water in the drainage ditch at the longitudinal slope is overlarge, so that the water is excessively turbulent; the slope of the longitudinal slope is too small, the height fall of water flow in the drainage ditch at the longitudinal slope is too small, the water flow is not convenient to flow, and when the slope of the longitudinal slope is 3% -6%, the water flow in the drainage ditch can be kept to flow from the drainage ditch to the annular water intercepting and draining structure quickly and stably.
Referring to fig. 1 and 3, further, the circumferential water intercepting and draining structure 2 is a circumferential gutter 21, the cross section of the circumferential gutter 21 includes a trapezoidal section 211 and a platform 212 located on one side of the trapezoidal section 211 close to the slag disposal site, and specifically, the cross section of the circumferential gutter includes platforms located on two sides of the trapezoidal section.
Specifically, the slope of the platform 212 is 3% to 6%, such as 3%, 4%, 5%, or 6%. When raining, the water quantity in the annular gutter is large, the gradient of the platform is 3% -6%, and water flow accumulated to the edge of the slag disposal field conveniently flows into the annular gutter.
Specifically, the width of the section a of the platform 212 is greater than 1 meter. The section width of the platform is larger than 1 meter, so that the waste slag or sundries in the natural environment are prevented from flowing into the annular gutter along with water flow.
Specifically, the groove bottom width B of the circumferential gutter 21 is greater than 0.6 m. The width of the bottom of the annular gutter is larger than 0.6 m, so that water flow can be discharged quickly, and the annular gutter can be prevented from being blocked by waste slag or sundries flowing into the annular gutter.
The annular water intercepting and draining structure can be characterized in that a water outlet of an annular gutter is arranged at the toe of a slag disposal field, and then the water outlet is communicated with a natural ditch or a cement ditch or other natural environments capable of draining; and a water outlet can be arranged at any part of the annular gutter, so that water flow in the annular gutter is introduced into a natural ditch or a cement ditch or other natural environments capable of draining water.
Further, the drainage system further comprises a toe hydrophobic structure 4, the toe hydrophobic structure 4 comprises a retaining wall 41 with a drain hole 411, and the retaining wall 41 is arranged at the toe 300 of the slag abandoning field.
The retaining wall with the water drainage hole is arranged at the slope toe of the waste slag field, the retaining wall is convenient for maintaining the stability of the structure of the waste slag field, and the water accumulated on the slope toe is convenient for being discharged through the water drainage hole.
Further, the toe hydrophobic structure 4 further comprises at least one layer of drainage mesh pad 42 pre-buried inside the slag disposal field, and the drainage mesh pad 42 is arranged along an axis parallel to the slag disposal field.
At least one layer of drainage net pad is pre-buried in the waste slag field, so that the water permeability in the waste slag field is enhanced, and water is accumulated in the waste slag field; the drainage net pad is arranged along the axis parallel to the slag discarding field, so that water flow in the slag discarding field can be accumulated conveniently.
Specifically, the slope of the drainage hole is 3% to 6%, for example, 3%, 4%, 5% or 6%, which facilitates the drainage of water flow; preferably, a PVC pipe is arranged in the drain hole, so that the drainage performance of the drain hole is improved.
Preferably, the toe hydrophobic structure 4 further comprises a reverse filtering layer 43, and the reverse filtering layer 43 covers the end face of the retaining wall 41 close to the slag abandoning field. The backwash filter may be an integral composite backwash filter.
The inverted filter layer is used for preventing the waste slag from entering the drain hole along with water flow to cause the blockage of the drain hole.
Preferably, the toe hydrophobic structure 4 further comprises a closing layer 44 connected to the top of the retaining wall 41. In particular, the seal 44 is a concrete seal.
The seal coat is used for further strengthening the structural stability of abandoning the sediment field, further avoids abandoning the soil erosion and water loss in sediment field.
The waste slag field is compacted, the surface of the waste slag field can be covered with clay for sealing, and grass can be planted for preventing rainfall from permeating into the waste slag field or causing water and soil loss and enhancing the structural stability of the waste slag field. In the embodiment of the application, the drainage ditch, the longitudinal slope, the circumferential gutter, the intercepting gutter and the drainage hole can be poured with concrete or masonry stone on the surface, and preferably, C30 concrete with the thickness of 20CM is poured on the surface of the drainage ditch, the longitudinal slope, the circumferential gutter, the intercepting gutter and the drainage hole in a cast-in-situ manner to protect the structural stability of the structure.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and all the changes or substitutions should be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. The drainage system of the waste slag yard is characterized by comprising a slope top drainage structure and an annular water stopping and drainage structure, wherein the slope top drainage structure comprises a drainage ditch located at the slope top of the waste slag yard, the annular water stopping and drainage structure is arranged around the edge of the waste slag yard, and the drainage ditch is communicated with the annular water stopping and drainage structure.
2. The drainage system of claim 1, further comprising a slope drainage structure, wherein the slope drainage structure comprises intercepting ditches which are arranged on the slope surface of the abandoned slag yard and are layered along the slope surface of the abandoned slag yard from top to bottom in sequence, and the intercepting ditches are communicated with the annular intercepting drainage structure.
3. The drainage system of claim 2, wherein the slope drainage structure further comprises drainage holes opened on the slope of the spoil area and located above the intercepting drain;
the included angle between the axis of the drain hole and the horizontal plane is 5-15 degrees; and/or the diameter of the drain hole is 90-110 mm.
4. The drainage system of claim 1, wherein the drainage gutters are distributed in a net.
5. The drainage system according to claim 4, wherein the distance between two adjacent drainage ditches in the same direction is 20-40 m.
6. The drainage system according to any one of claims 1 to 5, wherein the bottom surface of the drainage ditch is in longitudinal slope communication with the annular water intercepting and draining structure, and the gradient of the longitudinal slope is 3 to 6 percent.
7. The drainage system of any one of claims 1 to 5, wherein the circumferential intercepting drainage structure is a circumferential gutter, and the cross section of the circumferential gutter comprises a trapezoidal cross section and a platform located on one side of the trapezoidal cross section close to the slag disposal site;
the gradient of the platform is 3% -6%; and/or the section width of the platform is more than 1 m; and/or the width of the bottom of the circumferential gutter is more than 0.6 m.
8. The drainage system according to any one of claims 1 to 5, further comprising a toe hydrophobic structure comprising a retaining wall having a drainage hole, the retaining wall being provided at a toe of the spoil area.
9. The drainage system of claim 8, wherein the toe hydrophobic structure further comprises at least one layer of drainage mesh pad pre-buried inside the spoil area, the drainage mesh pad being arranged along an axis parallel to the spoil area.
10. The drainage system of claim 8, wherein the toe hydrophobic structure further comprises a reverse filtering layer, and the reverse filtering layer covers the end face of the retaining wall close to the slag abandoning field;
and/or the toe hydrophobic structure further comprises a sealing layer connected with the top of the retaining wall.
Priority Applications (1)
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CN201920431287.1U CN210194804U (en) | 2019-04-01 | 2019-04-01 | Drainage system of waste slag yard |
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CN201920431287.1U CN210194804U (en) | 2019-04-01 | 2019-04-01 | Drainage system of waste slag yard |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110145007A (en) * | 2019-04-01 | 2019-08-20 | 中铁第四勘察设计院集团有限公司 | The drainage system of Dumping Sites |
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2019
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110145007A (en) * | 2019-04-01 | 2019-08-20 | 中铁第四勘察设计院集团有限公司 | The drainage system of Dumping Sites |
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