CN113931126A - Wet-type sand making tailing piling method - Google Patents
Wet-type sand making tailing piling method Download PDFInfo
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- CN113931126A CN113931126A CN202111033928.6A CN202111033928A CN113931126A CN 113931126 A CN113931126 A CN 113931126A CN 202111033928 A CN202111033928 A CN 202111033928A CN 113931126 A CN113931126 A CN 113931126A
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- 239000004576 sand Substances 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 42
- 230000000903 blocking effect Effects 0.000 claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 230000004888 barrier function Effects 0.000 claims abstract description 21
- 239000004575 stone Substances 0.000 claims abstract description 13
- 238000007599 discharging Methods 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 7
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 7
- 239000011435 rock Substances 0.000 claims description 7
- 238000010276 construction Methods 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920006395 saturated elastomer Polymers 0.000 claims description 3
- 238000012876 topography Methods 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims 1
- 238000009825 accumulation Methods 0.000 abstract description 9
- 230000003628 erosive effect Effects 0.000 abstract description 3
- 230000008595 infiltration Effects 0.000 description 7
- 238000001764 infiltration Methods 0.000 description 7
- 238000009991 scouring Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 241000209456 Plumbago Species 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/10—Dams; Dykes; Sluice ways or other structures for dykes, dams, or the like
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F5/00—Draining the sub-base, i.e. subgrade or ground-work, e.g. embankment of roads or of the ballastway of railways or draining-off road surface or ballastway drainage by trenches, culverts, or conduits or other specially adapted means
- E01F5/005—Culverts ; Head-structures for culverts, or for drainage-conduit outlets in slopes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
- E02B3/128—Coherent linings made on the spot, e.g. cast in situ, extruded on the spot
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
- E02B3/14—Preformed blocks or slabs for forming essentially continuous surfaces; Arrangements thereof
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
- E02B8/06—Spillways; Devices for dissipation of energy, e.g. for reducing eddies also for lock or dry-dock gates
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
- E03F3/046—Open sewage channels
-
- 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
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/11—Hard structures, e.g. dams, dykes or breakwaters
-
- 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
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/30—Flood prevention; Flood or storm water management, e.g. using flood barriers
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Architecture (AREA)
- Revetment (AREA)
Abstract
The invention relates to the field of wet-type sand making tail mud treatment, in particular to a wet-type sand making tail mud piling method.A flood discharge culvert is positioned at the upstream end and is built with a flood barrier dam, and the flood discharge culvert is positioned at the downstream end and is built with a stilling basin; transversely building a blocking dam in the channel, wherein the blocking dam is positioned on the flood drainage culvert; horizontal drainage and seepage blind ditches are built on two sides of the flood drainage culvert, a seepage collecting pool is built at the downstream end of the flood drainage culvert, and the downstream end of the horizontal drainage and seepage blind ditches is communicated with the seepage collecting pool; a flood discharge open channel in the direction of the channel is built on the channel slope body, and the downstream end of the flood discharge open channel is communicated with the stilling pool; tail mud is sequentially filled between the blocking dams from the downstream section to the upstream section of the ditch. According to the invention, as the sub-dam is built by adopting the broken stones and then the filter-pressed mud cakes are accumulated, the stability of the side slope is enhanced, the safe discharge of the water seepage in the accumulation body is enhanced, the erosion of rainwater on the dam surface in the flood season is avoided, the technical problem of the accumulation of the wet sand making tail mud is effectively solved, and the safe accumulation of the wet sand making tail mud is realized.
Description
Technical Field
The invention relates to the field of wet-type sand making tail mud treatment, in particular to a method for piling up wet-type sand making tail mud.
Background
In recent years, environmental protection policies are stricter, the sand collection amount of a river channel is greatly reduced, the demand of the market for machine-made sand is larger, the machine-made sand is divided into wet-type sand making and dry-type sand making, the wet-type sand making and mud removing effects are better, and the pressure resistance and the workability of the machine-made sand can be greatly improved when the machine-made sand is used in the building industry. However, a large amount of tail mud is generated in wet sand making, the tail mud particles are extremely fine, the-200 meshes almost account for 100%, the tail mud is difficult to comprehensively utilize, and the sub-dams are difficult to accumulate when the tail mud is discharged. The tail mud is accumulated on the basis of constructing the gravel dam, so that the stability of the side slope is enhanced, the safe discharge of water seepage in the accumulation body is enhanced, and meanwhile, the erosion of rainwater on the dam surface in the flood season is avoided.
Disclosure of Invention
The invention provides a wet sand making tail mud piling method, which solves the problem that tail mud is difficult to pile, realizes tail mud piling through geographical advantages, and does not influence the original topographic drainage problem.
The technical problem solved by the invention can be realized by adopting the following technical scheme:
the method for piling up the wet-type sand making tail mud is characterized by comprising the following steps of:
s1, building drainage
Constructing a flood discharge culvert at the bottom of the channel along the direction of the channel, wherein the channel has a topography gradually ascending from the downstream to the upstream;
s2, building dam
The flood discharge culvert is positioned at the upstream end and is built with a flood blocking dam, and the flood discharge culvert is positioned at the downstream end and is built with a stilling basin;
s3, building dam
Transversely building a blocking dam in the channel, wherein the blocking dam is positioned on the flood drainage culvert;
s4, transversely draining the blind ditch
Horizontal drainage and seepage blind ditches are built on two sides of the flood drainage culvert, a seepage collecting pool is built at the downstream end of the flood drainage culvert, and the downstream end of the horizontal drainage and seepage blind ditches is communicated with the seepage collecting pool;
s5, open channel construction
A flood discharge open channel in the direction of the channel is built on the channel slope body, and the downstream end of the flood discharge open channel is communicated with the stilling pool;
s6, piling up the tail mud
Tail mud is sequentially filled between the blocking dams from the downstream section to the upstream section of the ditch, and the tail mud is blocked by the downstream blocking dam;
s7, constructing sub-dam
And constructing sub-dams from the upstream to the downstream of the tail mud in sequence, wherein the sub-dams are positioned on the piled tail mud, constructing a sub-dam flood discharge channel on the sub-dams, and communicating the sub-dam flood discharge channel with the flood discharge open channel.
Further, the trench slope of the selected section is less than 24%.
Further, the flood barrier is located at the water collection point at the upstream of the ditch, and the slope ratio of the flood barrier is 1: 0.1, the slope ratio of the flood barrier dam positioned at the downstream of the ditch is 1: 0.1, the width of the top of the flood barrier is 3.0m, the saturated compressive strength of the damming material is not lower than 30Mpa, the softening coefficient is 0.7-0.8, and the hardness is more than 3.
Furthermore, when the upstream of the selected channel is at least two branched channels, a flood blocking dam and a flood drainage culvert are built in each branched channel at the upstream of the selected section respectively.
Further, the structure type of the blocking dam is a stone masonry gravity dam type, and the upstream slope ratio is 1: 0.1, downstream slope ratio 1: 0.7, arranging a 1.2m thick plumbago cage rock drainage body on the upstream surface of the blocking dam, arranging a reverse filtering layer on the upstream surface of the drainage body, uniformly distributing 200MM drain pipes in the blocking dam closest to the water seepage collecting pool, wherein one end of each drain pipe penetrates through the blocking dam and the plumbago cage rock drainage body to be communicated with the reverse filtering layer, and the other end of each drain pipe is communicated with the water seepage collecting pool.
Furthermore, a plurality of communicated longitudinal drainage and seepage blind ditches are vertically arranged in the length direction of the transverse drainage and seepage blind ditches, the longitudinal drainage and seepage blind ditches are positioned between the retaining dams, and a plurality of drainage and seepage blind wells are arranged on the longitudinal drainage and seepage blind ditches.
Further, tail mud is stored as the multi-step heap in S6 and is put, and the step difference of each level is 5.0m, and the step is reserved and is established the wide safe platform of 2.5m, and the slope ratio of single step is 1:4.0, average slope ratio 1:4.5, angle 12.53 deg..
Further, all build rubble sub-dam on the step of each grade that is located the tail mud, each grade rubble sub-dam height 1.0m, the upstream slope is 1: 1.0, the downstream slope ratio is 1:4.0, the top width of each sub-dam is 1.0m, the outer slope is protected by dry blocky stones with the thickness of 30.0cm, the overall average slope ratio is 1:4.5, an inverted filter layer is arranged on the contact surface between the sub-dam and a tail mud stacking body, when tail mud is filled to the elevation of a blocking dam, a first-stage gravel sub-dam is built, then tail mud is filled, when the tail mud is filled to the elevation of the gravel sub-dam, a second-stage gravel sub-dam is built, then filling is carried out, and gravel sub-dams and tail mud stacking are repeatedly built in sequence, so that the tail mud is stacked to the upstream.
Furthermore, the ditch is provided with a guide wall 12 in the impact direction of the stilling pool 3.
The invention has the beneficial effects that:
because the sub-dam is built by adopting the gravels and then the filter-pressed mud cakes are accumulated, the stability of the side slope is enhanced, the safe discharge of the water seepage in the accumulation body is enhanced, the erosion of the rainwater on the dam surface in the flood season is avoided, the technical problem of the accumulation of the wet sand making tail mud is effectively solved, and the safe accumulation of the wet sand making tail mud is realized.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic plan view of the present invention.
Fig. 2 is a longitudinal sectional view of the present invention.
Fig. 3 is a cross-sectional view of the rock sub-dam of the present invention.
Fig. 4 is a schematic view of the structure of the barrage of the present invention.
In the figure: 1-flood discharging culverts; 2-flood barrier dam; 3-stilling pool; 4-blocking dam; 5-horizontal drainage blind ditch; 6-a seepage collecting tank; 7-flood drainage open channel; 8-an inverted filter layer; 9-a drain pipe; 10-longitudinal drainage blind ditch; 11-gravel sub-dam; 12-a guide wall; 13-lead wire cage block stone drainage body; 14-drainage blind wells; 15-sub dam drainage canal.
Detailed Description
Example 1:
referring to fig. 1-2, which are schematic structural views of embodiment 1 of the present invention, a method for stockpiling wet-type sand making tailings is characterized by comprising the following steps:
s1, building drainage
Constructing a flood discharge culvert 1 at the bottom of the channel according to the direction of the channel, wherein the channel has a topography gradually ascending from the downstream to the upstream;
s2, building dam
A flood barrier dam 2 is built at the upstream end of the flood discharge culvert 1, and a dissipation pool 3 is built at the downstream end of the flood discharge culvert 1;
s3, building dam
A blocking dam 4 is transversely built in the channel, and the blocking dam 4 is positioned on the flood drainage culvert 1;
s4, transversely draining the blind ditch
Horizontal drainage and seepage blind ditches 5 are built on two sides of the flood drainage culvert 1, a seepage collecting pool 6 is built at the downstream end of the flood drainage culvert 1, and the downstream end of the horizontal drainage and seepage blind ditches 5 is communicated with the seepage collecting pool 6;
s5, open channel construction
A flood discharge open channel 7 in the direction of the channel is built on the channel slope body, and the downstream end of the flood discharge open channel 7 is communicated with the stilling basin 3;
s6, piling up the tail mud
Tail mud is sequentially filled between the blocking dams 4 from the downstream section to the upstream section of the ditch, and is blocked by the blocking dams 4 at the downstream section;
s7, constructing sub-dam
And constructing sub-dams in sequence from the upstream to the downstream of the tail mud, wherein the sub-dams are positioned on the piled tail mud, constructing a sub-dam flood discharge channel 15 on the sub-dams, and communicating the sub-dam flood discharge channel 15 with the flood discharge open channel 7.
In actual use: the upstream water is stopped by the flood barrier dam 2, so that the water is discharged through the flood discharge culvert 1, the water flows out of the downstream stilling pool 3 after passing through the flood discharge culvert 1, the water is stopped by the flood barrier dam 2 to prevent scouring of the dam 4, the tail mud and the broken stone sub-dam 11, the tail mud is piled up on the upstream surface of the dam 4, so that the tail mud cannot be piled up and collapsed due to large-area piling up of the dam 4, the management is convenient, meanwhile, the tail mud surface is protected by the sub-dam to prevent rainwater scouring, the residual water in the tail mud can flow downwards for long-time piling up and can enter the transverse seepage blind ditch 5, the tail mud can flow into the seepage collecting pool 6 through the transverse seepage blind ditch 5 to finish seepage discharge, and when rainfall, the water on the ground surface is rapidly discharged through the flood discharge open channel 7 to prevent a large amount of rainwater from being piled up on the tail mud.
Example 2:
referring to fig. 1, the present embodiment is different in that: the trench slope of the selected section is less than 24%.
In actual use: the slope of the ditch of the selected section is less than 24%, the tail mud can be stored in a maximum mode, meanwhile, the problem of collapse of slope bodies on two banks can be solved, and if the slope is too slow, the storage amount of the tail mud is greatly reduced.
Example 3:
referring to fig. 1, the present embodiment is different in that: the flood barrier 2 is positioned at a water collection point at the upstream of the ditch, and the slope ratio of the flood barrier 2 is 1: 0.1, the slope ratio of a flood barrier 2 positioned at the downstream of the ditch is 1: 0.1, the width of the top of the flood barrier 2 is 3.0m, the saturated compressive strength of the damming material is not lower than 30Mpa, the softening coefficient is 0.7-0.8, and the hardness is more than 3.
In actual use: the flood barrier dam 2 is built at a water collection point, so that the water collection point is blocked by the flood barrier dam 2, the tail mud storage area is prevented from being impacted, and the tail mud is discharged through the flood discharge culvert 1.
Example 4:
referring to fig. 1, the present embodiment is different in that: when the upstream of the selected channel is at least two branched channels, a flood barrage 2 and a flood discharging culvert 1 are respectively built in each branched channel at the upstream of the selected section.
In actual use: due to different terrains, the upper stream of the selected section of the ditch meeting the requirements is provided with two or more direct currents, and the normal drainage of rainwater or flood is ensured by arranging the flood barrier dam 2 at each upstream branch flow or each water collecting point.
Example 5:
referring to fig. 4, the present embodiment is different in that: the structure type of the blocking dam 4 is a grouted stone gravity dam type, and the upstream slope ratio is 1: 0.1, downstream slope ratio 1: 0.7, lead wire cage rock block seepage discharging bodies with the thickness of 1.2m are arranged on the upstream face of the blocking dam 4, a reverse filtering layer 8 is arranged on the upstream face of the seepage discharging bodies, 200MM drainage pipes 9 are uniformly distributed in the blocking dam 4 closest to the seepage water collecting pool 6, one end of each drainage pipe 9 penetrates through the blocking dam 4 and the lead wire cage rock block seepage discharging bodies 13 to be communicated with the reverse filtering layer 8, and the other end of each drainage pipe 9 is communicated with the seepage water collecting pool 6.
In actual use: the reverse filter layer 8 prevents the tail mud seepage from the infiltration aquatic filtering with the tail mud, and lead wire cage lump stone plays the effect of bank protection on the one hand, has more hole between stone and the stone in the on the other hand lead wire cage, and the hydroenergy that oozes can in time be discharged to piling up externally, and the drain pipe will in time discharge to infiltration collecting pit 6 through the infiltration of reverse filter layer 8, lead wire cage lump stone.
Example 6:
referring to fig. 1, the present embodiment is different in that: a plurality of communicated longitudinal drainage and seepage blind ditches 10 are vertically arranged in the length direction of the transverse drainage and seepage blind ditches 5, the longitudinal drainage and seepage blind ditches 10 are arranged between the retaining dams 4, and a plurality of drainage and seepage blind wells 14 are arranged on the longitudinal drainage and seepage blind ditches 10.
In actual use: because still contain moisture in the tail mud, receive the influence of weather rainfall simultaneously, the tail mud can increase its water content, increases the infiltration discharge capacity through vertical row's infiltration french drain 10, makes the moisture in the tail mud discharge, discharges in getting into horizontal row's infiltration french drain 5, accelerates the row's of tail mud to ooze through row's infiltration blind well 14 simultaneously.
Example 7:
referring to fig. 2, the present embodiment is different in that: the tail mud storage is piled up for many steps, and each grade step difference in height is 5.0m, and the step is stayed and is established the wide safe platform of 2.5m, and the slope ratio of single step is 1:4.0, average slope ratio 1:4.5, angle 12.53 deg..
In actual use: accumulating the tail mud after filter pressing on the basis of the gravel dam, wherein the slope ratio of each single step is 1:4.0, the average slope ratio of the accumulated outer slope of the tail mud is 1:4.5, the section of the accumulation dam is slow, and the safety of the tail mud accumulation dam is enhanced.
Example 8:
referring to fig. 2-3, the present embodiment differs in that: all build rubble sub-dam 11 on the each grade step that is located the tail mud, 11 height 1.0m of each grade rubble sub-dam, the upstream slope is 1: 1.0, the downstream slope ratio is 1:4.0, the top width of each sub-dam is 1.0m, the outer slope is protected by dry blocky stones with the thickness of 30.0cm, the overall average slope ratio is 1:4.5, an inverted filter layer is arranged on the contact surface between the sub-dam and the tail mud stacking body, when the tail mud is filled to the height of 4 elevations of the blocking dam, a first-stage gravel sub-dam 11 is built, then tail mud filling is carried out, when the tail mud is filled to the height of 11 elevations of the gravel sub-dam, a second-stage gravel sub-dam 11 is built, then filling is carried out, the gravel sub-dam 11 and the tail mud stacking are sequentially and repeatedly built, and the tail mud is stacked to the upstream.
In actual use: a reversed filter layer is arranged on a contact surface between the gravel sub-dam 11 and a mud cake waste residue pile body to prevent muddy running, when tail mud is filled, firstly, when the tail mud is filled to the elevation of the blocking dam 4, a first-stage gravel sub-dam 11 is built on the blocking dam 4, a sub-dam flood discharge channel 15 is built on the downstream of the gravel sub-dam 11, then, a sub-dam flood discharge channel 15 is simultaneously built on a safety platform of the sub-dam, through the building of the first-stage gravel sub-dam 11, then, the second filling is carried out on the tail mud filled for the first time, the tail mud filled for the second time is blocked by the first-stage gravel sub-dam 11, the tail mud is prevented from moving downstream, and the gravel sub-dam 11 and the sub-dam flood discharge channel 13 are sequentially built, so that the tail mud is filled to the upstream, and the piling is completed.
Example 9:
referring to fig. 1, the present embodiment is different in that: the ditch is located the absorption basin 3 and strikes the direction and sets up guide wall 12.
In actual use: when a large amount of rainfall occurs, water is discharged through the stilling pool, but the water flow direction is limited by the ditch, and a guide wall 12 is built at the bent part of the ditch to prevent long-time scouring and accelerate the change of the terrain.
While the embodiments of the present invention have been described in detail with reference to the drawings, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and the scope of the present invention is within the scope of the claims.
Claims (9)
1. The method for piling up the wet-type sand making tail mud is characterized by comprising the following steps of:
s1, building drainage
A flood discharge culvert (1) is built at the bottom of the channel along the direction of the channel, and the channel has a topography which gradually rises from the downstream to the upstream;
s2, building dam
The flood discharge culvert (1) is positioned at the upstream end and is built with a flood blocking dam (2), and the flood discharge culvert (1) is positioned at the downstream end and is built with a stilling basin (3);
s3, building dam
A blocking dam (4) is transversely built in the channel, and the blocking dam (4) is positioned on the flood drainage culvert (1);
s4, transversely draining the blind ditch
Horizontal drainage and seepage blind ditches (5) are built on two sides of the flood drainage culvert (1), a seepage collecting pool (6) is built at the downstream end of the flood drainage culvert (1), and the downstream end of the horizontal drainage and seepage blind ditches (5) is communicated with the seepage collecting pool (6);
s5, open channel construction
A flood discharge open channel (7) in the direction of the channel is built on the channel slope body, and the downstream end of the flood discharge open channel (7) is communicated with the stilling pool (3);
s6, piling up the tail mud
Tail mud is sequentially filled between the blocking dams (4) from the downstream section to the upstream section of the ditch, and the tail mud is blocked by the blocking dams (4) at the downstream section;
s7, constructing sub-dam
And constructing sub-dams in sequence from the upstream to the downstream of the tail mud, wherein the sub-dams are positioned on the piled tail mud, constructing a sub-dam flood discharge channel (15) on the sub-dams, and communicating the sub-dam flood discharge channel (15) with the flood discharge open channel (7).
2. The method as claimed in claim 1, wherein the slope of the trench is less than 24%.
3. A wet tailings preparation method according to claim 1, wherein the flood barrier dam (2) is located at the catchment point upstream of the trench, and the slope ratio of the flood barrier dam (2) is 1: 0.1, the slope ratio of a flood barrier dam (2) positioned at the downstream of the ditch is 1: 0.1, the width of the top of the flood barrier (2) is 3.0m, the saturated compressive strength of the damming material is not lower than 30Mpa, the softening coefficient is 0.7-0.8, and the hardness is more than 3.
4. A method for stockpiling wet-type sand making tailings according to claim 3, wherein when at least two branched canals are selected upstream of the canal, a flood barrier (2) and a flood discharge culvert (1) are respectively constructed in each branched canal upstream of the selected section.
5. The method for stockpiling of wet-type sand-making tailings according to claim 1, wherein the blocking dam (4) is of a grouted stone gravity dam type, and the upstream slope ratio is 1: 0.1, downstream slope ratio 1: 0.7, lead wire cage rock block seepage discharging bodies with the thickness of 1.2m are arranged on the upstream face of the blocking dam (4), a reverse filtering layer (8) is arranged on the upstream face of the seepage discharging bodies, drain pipes (9) with the thickness of 200MM are uniformly distributed in the blocking dam (4) closest to the seepage water collecting pool (6), one end of each drain pipe (9) penetrates through the blocking dam (4) and the lead wire cage rock block seepage discharging bodies (13) to be communicated with the reverse filtering layer (8), and the other end of each drain pipe (9) is communicated with the seepage water collecting pool (6).
6. The method for piling up the wet-type sand making tail mud according to the claim 1, characterized in that a plurality of communicated longitudinal drainage blind ditches (10) are vertically arranged in the length direction of the transverse drainage blind ditch (5), the longitudinal drainage blind ditches (10) are arranged between the retaining dams (4), and a plurality of drainage blind wells (14) are arranged on the longitudinal drainage blind ditches (10).
7. The method for piling up the wet-type sand making tailings as claimed in claim 1, wherein the tailings are stored in a multi-step piling mode in S6, the step height difference of each step is 5.0m, a safety platform with the width of 2.5m is reserved on each step, and the slope ratio of each step is 1:4.0, average slope ratio 1:4.5, angle 12.53 deg..
8. A wet sand making tail mud piling method according to claim 7, characterized in that a gravel sub-dam (11) is built on each step of the tail mud, each gravel sub-dam (11) is 1.0m high, and the upstream slope ratio is 1: 1.0, the downstream slope ratio is 1:4.0, the top width of each sub-dam is 1.0m, the outer slope is protected by dry masonry stone with the thickness of 30.0cm, the overall average slope ratio is 1:4.5, an inverted filter layer is arranged on the contact surface between the sub-dam and a tail mud stacking body, when tail mud is filled to the elevation of the blocking dam (4), a first-stage gravel sub-dam (11) is built, then tail mud filling is carried out, when the tail mud is filled to the elevation of the gravel sub-dam (11), a second-stage gravel sub-dam (11) is built, then filling is carried out, and the gravel sub-dam (11) and the tail mud stacking are repeatedly built in sequence, so that the tail mud is stacked to the upstream.
9. A method for piling up wet-type sand making tailings according to claim 1, wherein the trench is provided with a guide wall (12) in the impact direction of the absorption basin (3).
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101353219A (en) * | 2007-07-25 | 2009-01-28 | 贵阳铝镁设计研究院 | Piling method for gully type dry red mud disposal and water drainage structure thereof |
| CN105908823A (en) * | 2016-06-23 | 2016-08-31 | 陕西冶金设计研究院有限公司 | Flood drainage system for valley-type tailing pond |
| CN207633300U (en) * | 2017-06-20 | 2018-07-20 | 兰州理工大学 | A kind of Gullied Rolling Loess Region mud-stone flow disaster recycling control structure |
| CN111608140A (en) * | 2020-07-15 | 2020-09-01 | 中国电建集团贵阳勘测设计研究院有限公司 | Method for rectifying potential safety hazards in operation period of upstream type tailing pond |
-
2021
- 2021-09-03 CN CN202111033928.6A patent/CN113931126A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101353219A (en) * | 2007-07-25 | 2009-01-28 | 贵阳铝镁设计研究院 | Piling method for gully type dry red mud disposal and water drainage structure thereof |
| CN105908823A (en) * | 2016-06-23 | 2016-08-31 | 陕西冶金设计研究院有限公司 | Flood drainage system for valley-type tailing pond |
| CN207633300U (en) * | 2017-06-20 | 2018-07-20 | 兰州理工大学 | A kind of Gullied Rolling Loess Region mud-stone flow disaster recycling control structure |
| CN111608140A (en) * | 2020-07-15 | 2020-09-01 | 中国电建集团贵阳勘测设计研究院有限公司 | Method for rectifying potential safety hazards in operation period of upstream type tailing pond |
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Application publication date: 20220114 |