CN103321181A - Method for damming by hydraulic-filling full tailings to geomembrane bag woven by using split film yarns - Google Patents
Method for damming by hydraulic-filling full tailings to geomembrane bag woven by using split film yarns Download PDFInfo
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Abstract
The invention relates to a method for damming by hydraulic-filling full tailings to a geomembrane bag woven by using split film yarns. The method includes the following steps of measuring and setting out, foundation processing, installing of a mixing hydraulic filling system and a slag slurry conveying system, geomembrane bag manufacturing, paving, fixing and hydraulic filling, dehydration and solidification, sampling and detecting and paving of upper-layer geomembrane bags to finish damming. The method is simple in process, convenient to operate and high in safety, saves construction cost and is free of rising dust and pollution and environmentally friendly in construction. A tailings pond can discharge tailings normally without affecting geomembrane bag damming, and a geomembrane bag dam body is anti-aging, anti-scouring and high in safety performance. Construction can be conducted normally in rainy days, dam body raising speed is high, waste materials are utilized, and the service life of the tailings pond is prolonged. The method is suitable for transforming and heightening similar reservoir areas such as power plant ash storage yards and mine metallurgical industry tailings ponds and has high popularization and application value.
Description
Technical field
The present invention relates to a kind of technique of building a dam, is a kind of water ash tailings discharging for tailings storehouses such as power industry, mine industries, the method that the tailings lotion discharges and the woven geotechnical fabric bag of full tailings hydraulic reclamation split yarn on tailings mould bag Gan Dui dam is built a dam specifically.
Background technology
The tailings storehouse such as present power industry, mine industry or ash residue storehouse are built a dam and are mostly adopted tailings manually to choose traditional damming methods such as build a dam in dam, compaction type, loose rock dam, utilize before the dam that thick tailings or flyash, clay, massif slag stone roll, the stone heap is built a dam, a kind of more traditional technique of building a dam, lay, roll after the designing technique index that reaches certain constantly construction in layer by layering, reach designing requirement.The existing ash disposal area drawback that technique exists of building a dam has: the different ash disposal areas ground situation of building a dam is different, such as soft base, because dam foundation phreatic line is higher, big machinery such as excavator, loader etc. can't flatten ground and roll, and can't clear up ground and roll ground; Roll when building a dam construction, dam material does not reach optimum moisture content, needs dam material is tedded, and easily produces dust pollution, and surrounding enviroment are impacted; Roll the construction technology operation of building a dam more, need to drop into more large-scale construction equipment, have larger noise pollution in construction period; And running into the rainy weather site road, can not to satisfy Construction traffic current, easily causes dam construction to interrupt, and the duration is impacted, and slows down construction speed, and construction cost is higher, and the engineering overall cost is higher; Roll in addition the construction of building a dam near the pool, the construction operation poor stability, measure cost is high, and the duration is easier to influenced.
Summary of the invention
The technical problem to be solved in the present invention provides the woven geotechnical fabric bag of a kind of full tailings hydraulic reclamation split yarn technique of building a dam, relate to particularly that Tailings Dam water lime-ash is in line, the discharging of lime-ash lotion and lime-ash do discharging hydraulic reclamation damming method, the Tailings Dam exhaust system is directly carried full tailings hydraulic reclamation mould bag by mixed hydraulically-filled system by induction system, through dewatering and coagulating, staggered the filling of layering forms mould bag dam body, this job practices technique is simple, environmental protection, expense are cheap, middle no dust pollution and the noise pollution of work progress, is applicable to construct under the different mal-conditions.
The technical solution used in the present invention is: the woven geotechnical fabric bag damming method of a kind of full tailings hydraulic reclamation split yarn comprises the steps:
1) measures unwrapping wire: determine dam body ground, dam body center line and dam body sideline according to working drawing;
2) ground is processed: determine the different disposal method according to different grounds, remove the dam foundation, dam abutment humus soil, mud, weeds or tree root, the dam foundation, dam abutment backfill, excavation, leveling, compacting;
3) mixed hydraulically-filled system installs: according to the on-the-spot general layout plan in tailings storehouse and design of dam body figure, install the tailings storehouse under water ash pipeline system, dig grey ship and ash pipeline waterborne system;
4) slag slurry induction system is installed: according to dam body axial location reasonable Arrangement slag slurry conveyance conduit, ash pipeline waterborne is to be connected to the dam body position through slag slurry conveyance conduit;
5) the mould bag is made: make the mould bag of length 20-60m, width 1-20m, height 0.5-0.6m, mould bag top broad ways arranges the above tailings slurry perfusing hole along mould bag length direction of a row;
6) the mould bag is laid: adopt by dam body length, width manually to be paved with the mould bag, the mould bag is laid smooth, corrugationless, mutual overlap joint in twos between the adjacent mould bag of dam body length direction, lap length is not less than 1m, mutually stagger on the dam body length direction between the adjacent mould bag of dam body width, the length that staggers is not less than 1/3 of mould bag length;
7) the mould bag is fixed: the mould bag laterally fixing iron wire that adopts is fixed mould bag corner and the lacing wire of mould bag, and vertically the pressing mold bag sideline, stone top that is packed in bag, sideline is fixed;
8) mould bag hydraulic reclamation: by mould bag top tailings slurry perfusing hole hydraulic reclamation tailings slurry in the mould bag, minute three even hydraulic reclamations, hydraulic reclamation is the stable mode bag for the first time, hydraulic reclamation height 0.15-0.2m; Hydraulic reclamation is for consolidating the mould bag stable for the second time, and between the hydraulic reclamation height 0.15-0.2m, hydraulic reclamation is adjusted the vertical sideline of mould bag simultaneously; Hydraulic reclamation is the mould bag forming stage for the third time, control mould bag surface finish, and hydraulic reclamation height 0.15-0.2m, in the hydraulic reclamation process, the indirect labor steps on to clap the planeness on mould bag top within the single mould bag hydraulic reclamation 20m is controlled at ± 5cm;
9) dewatering and coagulating: manually step on and clap mould bag top and beat mould bag side; During coarse granule tailings hydraulic reclamation mould bag, manually the row of stepping on and avris beat per hour 1 time; During fine grained tailings hydraulic reclamation mould bag, manually the row of stepping on and avris beat per 20 minutes 1 time;
10) sampling detects: detect mould bag quality, mould bag hydraulic reclamation height, the dry density of mould bag hydraulic reclamation tailings, the mechanical index such as water content;
11) mould bag in upper strata is laid: mould bag hydraulic reclamation 24 as a child rear tailings moisture content is not more than 30%, carry out the construction of building a dam of upper strata mould bag, the mould bag of upper and lower corresponding is in dam body length, width stagger respectively its mould bag length, more than 1/3 of width in the upper and lower layer mould bag, repetition above-mentioned steps 1-10 finishes dam body and builds, and reserves step-up ratio 0.2m when vertically each layer mould bag overlaps.
Further, step 2) ground is processed and is also comprised the infiltration system layout: arrange the infiltration piping at the dam foundation, the infiltration piping comprises supervisor, branched pipe and outlet pipe, supervisor arranges along axis of dam direction, a plurality of branched pipes are along being evenly arranged perpendicular to axis of dam direction, a plurality of branched pipes are communicated with supervisor, every 80-120m an outlet pipe are set on the supervisor, the external appointment return water system of outlet pipe; Supervisor and branched pipe select steel work row to ooze flexible pipe, and outlet pipe is selected steel pipe or three type PA tubes; The axis horizontal face of supervisor and branched pipe is lower than dam foundation plane.
Further, the described tailings of step 3) storehouse under water ash-transmission system is slush pump or slag stock pump, described ash-transmission system waterborne comprises through ball float waterborne establishes and directly is layed in iron pipe and the soft mortar tube that is connected to the hydraulic reclamation pond on the hard ground of tailings storehouse, through digging grey ship, iron pipe and soft mortar tube to the defeated slurry of slag slurry conveyance conduit.
Further, the described slag slurry of step 4) conveyance conduit comprises carries supervisor, arm and grouting mouth filling pipeline, supervisor adopts rubber wear-resisting pipe, lateral adopts soft carrier pipe, and supervisor is connected to two the corresponding mould bag of above lateral tailings slurry perfusing holes of grouting mouthful filling pipeline through equal movable button.
Further, the described mould bag of step 5) 1-7m fabric width is arranged single tailings slurry perfusing hole, and the mould bagging of 8-12m fabric width is put double tailings slurry perfusing hole, and the mould bagging of 13-20m fabric width is put three last person's slag slurry perfusing holes; The mould bag is made with line and is adopted the high-quality nylon wire, and the wall scroll linear slit is no less than three times, and power resistance strength is not less than 90% of mould bag tensile strength; The length of tailings slurry perfusing hole is 50cm, and diameter is 20cm.
Further, step 8) mould bag hydraulic reclamation adopts every filling with, jump the filling hydraulic reclamation.
Further, after the packed stone of step 7) adopts the packed stone of anti-aging mould colligation firm, its length is 0.8m, width is 0.5m, packed stone weight is not less than 20Kg.
Adopt above technical scheme, the invention has the beneficial effects as follows:
1, mixed hydraulically-filled system adopts small-sized strand suction to dig grey ship, the small-sized strand suction of reasonable Arrangement is dug grey ship when draw materials in the tailings storehouse, make the carse, medium and small particle collocation of tailings good, form good particle grading distribution, the tailings of various different-grain diameters fully mixes digging grey ship proportioning, keep the ash particle grating very to arrange, be convenient to improve the dam body construction quality;
2, in the same layer more than the adjacent mould bag of the dam body length direction overlap joint 1m, after the filling of mould bag without the width gap, the switching performance between the enhancement mode bag; The adjacent mould bag of dam body width more than 1/3 of its length of staggering in the same layer strengthens the supporting capacity of dam body width, improves security performance; Upper and lower adjacent mould bag is in dam body length and width more than 1/3 of its length, width of all staggering in the upper and lower layer, and mould bag layer stability is conducive to improve dam body building, safety in utilization;
3, discharge by supervisor and outlet pipe after adopting on the dam foundation many steel work rows to ooze the flexible pipe branched pipe to ooze out, in addition mortar natural evaporation forms the three-dimensional water discharge of dam body thus, saves in a large number the dam body discharging consolidation time, has compressed the engineering time; 80% water will be the storage cistern that is discharged into regularly appointment in the work progress simultaneously, reduce the loss of Space evaporation, improve greatly the utilization rate of water resource;
4, mould bag hydraulic reclamation divides filling three times, and hydraulic reclamation is the stable mode bag for the first time, even hydraulic reclamation, and priority control mould bag sideline makes the mould bag not walk type; Hydraulic reclamation is for consolidating mould bag stable achievement for the second time, and even hydraulic reclamation, emphasis are adjusted mould bag sideline, makes away type partly return to the control sideline; Hydraulic reclamation is the film bag forming stage for the third time, and priority control mould bag surface finish in the hydraulic reclamation process, is paid close attention to film bag hydraulic reclamation height, and the indirect labor steps on bat, makes that planeness is controlled at ± 5cm within the single mould bag filling 20m; Same layer mould bag length direction and width hydraulic reclamation mould bag adopt every filling with, jump the filling hydraulic reclamation, to satisfy the construction control parameter request with indexs such as layer mould bag hydraulic reclamation thickness, speed, coefficient of consolidation, reach the hydraulic reclamation quality requirement, every layer of mould bag hydraulic reclamation sedimentation time all is not less than 48 hours, can continue one deck mould bag under the hydraulic reclamation; Simultaneously the mould bag laterally by angle and the lacing wire of mould bag fix, length direction is by the fixing sideline of packed stone, mould bag hydraulic reclamation molding structure is stable, piles to build firmly, is conducive to improve safety of dam body;
5, in whole hydraulic reclamation is built a dam process, dam foundation pore water pressure is monitored in sedimentation, lateral displacement and the work progress of reply mould bag dam body, and for construction provides guidance, every layer of hydraulic reclamation of dam body all should be measured, and performs every one deck surveying record.
The present invention carries hydraulic reclamation mould bag with tailings storehouse tailings, the mould bag longitudinal lap joint of tailings is arranged by hydraulic reclamation, transversion malposition is assemblied to form mould bag layer, piling the body of building a dam by multimode bag layer builds a dam, placement in layers forms mould bag dam body technique and need not the tailings Secondary Transport, technique is simple, easy to operate, security performance is high, save construction cost, without airborne dust, pollution-free, environmental protection construction, the tailings storehouse can normally discharge and the mould bag build a dam unaffected, the anti-aging of mould bag dam body, the antiscour security performance is high, rainwater weather energy normal construction, the dam body rate of climb is fast, twice laid prolongs tailings storehouse service life, is applicable to ash storage yard of power plant, the mine mine tailing storehouse in metallurgy industry is increased the transformation of equivalent type reservoir area and is increased application, has stronger application value.
Description of drawings
Fig. 1 is the woven geotechnical fabric bag of the full tailings hydraulic reclamation of the present invention split yarn construction technology block diagram of building a dam;
Fig. 2 is dam body width schematic cross-section of the present invention;
Fig. 3 is dam body length direction schematic cross-section of the present invention.
Among the figure: mould bag 1,2, overlap joint section 3.
The specific embodiment
The invention will be further described below in conjunction with embodiment and accompanying drawing.
Shown in Figure 1, the woven geotechnical fabric bag damming method of a kind of full tailings hydraulic reclamation split yarn comprises the steps:
1) measures unwrapping wire: determine dam body ground, dam body center line and dam body sideline according to working drawing;
2) ground is processed: determine the different disposal method according to different grounds, remove the dam foundation, dam abutment humus soil, mud, weeds or tree root, the dam foundation, dam abutment backfill, excavation, leveling, compacting; Arrange the infiltration piping at the dam foundation, the infiltration piping comprises supervisor, branched pipe and outlet pipe, supervisor arranges along axis of dam direction, a plurality of branched pipes are along being evenly arranged perpendicular to axis of dam direction, a plurality of branched pipes are communicated with supervisor, every 80-120m an outlet pipe is set on the supervisor, the external appointment return water system of outlet pipe; Supervisor and branched pipe select steel work row to ooze flexible pipe, and outlet pipe is selected steel pipe or three type PA tubes; The axis horizontal face of supervisor and branched pipe is lower than dam foundation plane;
3) mixed hydraulically-filled system installs: according to the on-the-spot general layout plan in tailings storehouse and design of dam body figure, install the tailings storehouse under water ash pipeline system, dig grey ship and ash pipeline waterborne system; Tailings storehouse under water ash-transmission system is slush pump or slag stock pump, described ash-transmission system waterborne comprises through ball float waterborne establishes and directly is layed in iron pipe and the soft mortar tube that is connected to the hydraulic reclamation pond on the hard ground of tailings storehouse, through digging grey ship, iron pipe and soft mortar tube to the defeated slurry of slag slurry conveyance conduit;
4) slag slurry induction system is installed: according to dam body axial location reasonable Arrangement slag slurry conveyance conduit, slag slurry conveyance conduit comprises carries supervisor, arm and grouting mouth filling pipeline, supervisor adopts rubber wear-resisting pipe, lateral adopts soft carrier pipe, supervisor is connected to the lateral of corresponding mould bag tailings slurry perfusing hole more than two of grouting mouthful filling pipeline through equal movable buttons, ash pipeline waterborne system is connected to the dam body position through slag slurry conveyance conduit;
5) the mould bag is made: the mould bag of making length 20-60m, width 1-20m, height 0.5-0.6m, mould bag top broad ways arranges the above tailings slurry perfusing hole along mould bag length direction of a row, mould bag 1-7m fabric width is arranged single tailings slurry perfusing hole, the mould bagging of 8-12m fabric width is put double tailings slurry perfusing hole, and the mould bagging of 13-20m fabric width is put three last person's slag slurry perfusing holes; The mould bag is made with line and is adopted the high-quality nylon wire, and the wall scroll linear slit is no less than three times, and power resistance strength is not less than 90% of mould bag tensile strength; The length of tailings slurry perfusing hole is 50cm, and diameter is 20cm;
6) the mould bag is laid: adopt by dam body length, width manually to be paved with the mould bag, the mould bag is laid smooth, corrugationless, mutual overlap joint in twos between the adjacent mould bag 1,2 of dam body length direction, overlap joint section 2 length are not less than 1m(and see accompanying drawing 2), mutually stagger on the dam body length direction between the adjacent mould bag of dam body width, the 1/3(that the length that staggers is not less than the mould bag length sees accompanying drawing 3);
7) the mould bag is fixed: the mould bag laterally fixing iron wire that adopts is fixed mould bag corner and the lacing wire of mould bag, vertically the pressing mold bag sideline, stone top that is packed in bag, sideline is fixed, colligation was firm after packed stone adopted the packed stone of anti-aging mould, its length is 0.8m, width is 0.5m, and packed stone weight is not less than 20Kg;
8) mould bag hydraulic reclamation: by mould bag top tailings slurry perfusing hole hydraulic reclamation tailings slurry in the mould bag, minute three even hydraulic reclamations, hydraulic reclamation is the stable mode bag for the first time, hydraulic reclamation height 0.15-0.2m; Hydraulic reclamation is for consolidating the mould bag stable for the second time, and between the hydraulic reclamation height 0.15-0.2m, hydraulic reclamation is adjusted the vertical sideline of mould bag simultaneously; Hydraulic reclamation is the mould bag forming stage for the third time, control mould bag surface finish, and hydraulic reclamation height 0.15-0.2m, in the hydraulic reclamation process, the indirect labor steps on to clap the planeness on mould bag top within the single mould bag hydraulic reclamation 20m is controlled at ± 5cm;
9) dewatering and coagulating: manually step on and clap mould bag top and beat mould bag side; During coarse granule tailings hydraulic reclamation mould bag, manually the row of stepping on and avris beat per hour 1 time; During fine grained tailings hydraulic reclamation mould bag, manually the row of stepping on and avris beat per 20 minutes 1 time;
10) sampling detects: detect mould bag quality, mould bag hydraulic reclamation height, the dry density of mould bag hydraulic reclamation tailings, the mechanical index such as water content;
11) mould bag in upper strata is laid: mould bag hydraulic reclamation 24 as a child rear tailings moisture content is not more than 30%, carry out the construction of building a dam of upper strata mould bag, the mould bag of upper and lower corresponding is in dam body length, width stagger respectively its mould bag length, more than 1/3 of width in the upper and lower layer mould bag, repetition above-mentioned steps 1-10 finishes dam body and builds, and reserves step-up ratio 0.2m when vertically each layer mould bag overlaps.
Claims (7)
1. the woven geotechnical fabric bag damming method of full tailings hydraulic reclamation split yarn comprises the steps:
1) measures unwrapping wire: determine dam body ground, dam body center line and dam body sideline according to working drawing;
2) ground is processed: determine the different disposal method according to different grounds, remove the dam foundation, dam abutment humus soil, mud, weeds or tree root, the dam foundation, dam abutment backfill, excavation, leveling, compacting;
3) mixed hydraulically-filled system installs: according to the on-the-spot general layout plan in tailings storehouse and design of dam body figure, install the tailings storehouse under water ash pipeline system, dig grey ship and ash pipeline waterborne system;
4) slag slurry induction system is installed: according to dam body axial location reasonable Arrangement slag slurry conveyance conduit, ash pipeline waterborne is to be connected to the dam body position through slag slurry conveyance conduit;
5) the mould bag is made: make the mould bag of length 20-60m, width 1-20m, height 0.5-0.6m, mould bag top broad ways arranges the above tailings slurry perfusing hole along mould bag length direction of a row;
6) the mould bag is laid: adopt by dam body length, width manually to be paved with the mould bag, the mould bag is laid smooth, corrugationless, mutual overlap joint in twos between the adjacent mould bag of dam body length direction, lap length is not less than 1m, mutually stagger on the dam body length direction between the adjacent mould bag of dam body width, the length that staggers is not less than 1/3 of mould bag length;
7) the mould bag is fixed: the mould bag laterally fixing iron wire that adopts is fixed mould bag corner and the lacing wire of mould bag, and vertically the pressing mold bag sideline, stone top that is packed in bag, sideline is fixed;
8) mould bag hydraulic reclamation: by mould bag top tailings slurry perfusing hole hydraulic reclamation tailings slurry in the mould bag, minute three even hydraulic reclamations, hydraulic reclamation is the stable mode bag for the first time, hydraulic reclamation height 0.15-0.2m; Hydraulic reclamation is for consolidating the mould bag stable for the second time, and between the hydraulic reclamation height 0.15-0.2m, hydraulic reclamation is adjusted the vertical sideline of mould bag simultaneously; Hydraulic reclamation is the mould bag forming stage for the third time, control mould bag surface finish, and hydraulic reclamation height 0.15-0.2m, in the hydraulic reclamation process, the indirect labor steps on to clap the planeness on mould bag top within the single mould bag hydraulic reclamation 20m is controlled at ± 5cm;
9) dewatering and coagulating: manually step on and clap mould bag top and beat mould bag side; During coarse granule tailings hydraulic reclamation mould bag, manually the row of stepping on and avris beat per hour 1 time; During fine grained tailings hydraulic reclamation mould bag, manually the row of stepping on and avris beat per 20 minutes 1 time;
10) sampling detects: detect mould bag quality, mould bag hydraulic reclamation height, the dry density of mould bag hydraulic reclamation tailings, the mechanical index such as water content;
11) mould bag in upper strata is laid: mould bag hydraulic reclamation 24 as a child rear tailings moisture content is not more than 30%, carry out the construction of building a dam of upper strata mould bag, the mould bag of upper and lower corresponding is in dam body length, width stagger respectively its mould bag length, more than 1/3 of width in the upper and lower layer mould bag, repetition above-mentioned steps 1-10 finishes dam body and builds, and reserves step-up ratio 0.2m when vertically each layer mould bag overlaps.
2. the woven geotechnical fabric bag damming method of full tailings hydraulic reclamation split yarn according to claim 1 is characterized in that:
Step 2) ground is processed and is also comprised the infiltration system layout: arrange the infiltration piping at the dam foundation, the infiltration piping comprises supervisor, branched pipe and outlet pipe, supervisor arranges along axis of dam direction, a plurality of branched pipes are along being evenly arranged perpendicular to axis of dam direction, a plurality of branched pipes are communicated with supervisor, every 80-120m an outlet pipe is set on the supervisor, the external appointment return water system of outlet pipe; Supervisor and branched pipe select steel work row to ooze flexible pipe, and outlet pipe is selected steel pipe or three type PA tubes; The axis horizontal face of supervisor and branched pipe is lower than dam foundation plane.
3. the woven geotechnical fabric bag damming method of full tailings hydraulic reclamation split yarn according to claim 1 is characterized in that:
The described tailings of step 3) storehouse under water ash-transmission system is slush pump or slag stock pump, described ash-transmission system waterborne comprises through ball float waterborne establishes and directly is layed in iron pipe and the soft mortar tube that is connected to the hydraulic reclamation pond on the hard ground of tailings storehouse, through digging grey ship, iron pipe and soft mortar tube to the defeated slurry of slag slurry conveyance conduit.
4. the woven geotechnical fabric bag damming method of full tailings hydraulic reclamation split yarn according to claim 1 is characterized in that:
The described slag slurry of step 4) conveyance conduit comprises carries supervisor, arm and grouting mouth filling pipeline, supervisor adopts rubber wear-resisting pipe, lateral adopts soft carrier pipe, and supervisor is connected to two the corresponding mould bag of above lateral tailings slurry perfusing holes of grouting mouthful filling pipeline through equal movable button.
5. the woven geotechnical fabric bag damming method of full tailings hydraulic reclamation split yarn according to claim 1 is characterized in that:
The described mould bag of step 5) 1-7m fabric width is arranged single tailings slurry perfusing hole, and the mould bagging of 8-12m fabric width is put double tailings slurry perfusing hole, and the mould bagging of 13-20m fabric width is put three last person's slag slurry perfusing holes; The mould bag is made with line and is adopted the high-quality nylon wire, and the wall scroll linear slit is no less than three times, and power resistance strength is not less than 90% of mould bag tensile strength; The length of tailings slurry perfusing hole is 50cm, and diameter is 20cm.
6. the woven geotechnical fabric bag damming method of full tailings hydraulic reclamation split yarn according to claim 1 is characterized in that: step 8) mould bag hydraulic reclamation adopts every filling with, jumping and fills with hydraulic reclamation.
7. the woven geotechnical fabric bag damming method of full tailings hydraulic reclamation split yarn according to claim 1, it is characterized in that: colligation was firm after the packed stone of step 7) adopted the packed stone of anti-aging mould, its length is 0.8m, and width is 0.5m, and packed stone weight is not less than 20Kg.
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| CN113006092A (en) * | 2021-03-15 | 2021-06-22 | 江苏驰凯科技工程有限公司 | Full tailing slurry filling mold bag solidified body dam piling process |
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| RU2614236C1 (en) * | 2015-11-16 | 2017-03-23 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Сибирский государственный автомобильно-дорожный университет (СибАДИ)" | Method of formation of quays using ash waste pulp |
| CN109236373A (en) * | 2018-08-27 | 2019-01-18 | 清华大学 | A kind of pervasive coal mine underground reservoir and its method of construction |
| CN109236373B (en) * | 2018-08-27 | 2024-04-16 | 清华大学 | Universal coal mine underground reservoir and construction method thereof |
| RU2751601C1 (en) * | 2020-11-10 | 2021-07-15 | Федеральное государственное автономное образовательное учреждение высшего образования "Сибирский федеральный университет" | Device for construction of hydraulic structures in development of placer mineral deposits |
| CN113006092A (en) * | 2021-03-15 | 2021-06-22 | 江苏驰凯科技工程有限公司 | Full tailing slurry filling mold bag solidified body dam piling process |
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Application publication date: 20130925 |