CN101974909B - Method for directly building tailing ponds without filling positions above goaf - Google Patents
Method for directly building tailing ponds without filling positions above goaf Download PDFInfo
- Publication number
- CN101974909B CN101974909B CN2010102879443A CN201010287944A CN101974909B CN 101974909 B CN101974909 B CN 101974909B CN 2010102879443 A CN2010102879443 A CN 2010102879443A CN 201010287944 A CN201010287944 A CN 201010287944A CN 101974909 B CN101974909 B CN 101974909B
- Authority
- CN
- China
- Prior art keywords
- goaf
- mine tailing
- tailing storehouse
- analysis
- stability
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000004458 analytical method Methods 0.000 claims abstract description 36
- 230000001788 irregular Effects 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000011835 investigation Methods 0.000 claims description 6
- 238000005065 mining Methods 0.000 claims description 5
- 238000004364 calculation method Methods 0.000 claims description 4
- 238000009412 basement excavation Methods 0.000 claims description 3
- 239000003673 groundwater Substances 0.000 claims description 3
- 238000004088 simulation Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000011435 rock Substances 0.000 abstract description 7
- 238000011160 research Methods 0.000 abstract description 5
- 238000002474 experimental method Methods 0.000 abstract description 3
- 239000004576 sand Substances 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 6
- 241000196324 Embryophyta Species 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Images
Landscapes
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The invention discloses a method for directly building tailing ponds without filling positions above a goaf. Through the research on the goaf (2) and the rock mechanic experiments on a jamb (3), roof rocks (4) are regulated and cut into crossed irregular post bodies in blocks for carrying out stability analysis, the elastic plastic finite element analysis is carried out on the goaf (2) under the loading of the tailing ponds (5), the tailing ponds (5) are built under the condition without processing the goaf (2), and the tailing ponds (5) mainly comprise initial dams (6), tail sand piling dams (7) and water discharge systems (8). According to the invention, the tailing ponds are directly built above unfilled goaf, thus the potential safety hazard of directly building the goaf above the oversized goaf can be eliminated, the normal production of a large-scale deep well mine can be ensured, and the goaf processing cost, the tail sand piling and storage long-distance conveying cost and the operation cost can also be saved.
Description
Technical field
The present invention relates to a kind of above goaf and build the method in mine tailing storehouse, especially relate to the method that the mine tailing storehouse is directly built in a kind of not bashing top.Be applicable to that all kinds of mine worked-out sections top makes up research, analysis and the application in mine tailing storehouse.
Background technology
What the mine tailing storehouse was meant that build a dam the interception mouth of a valley or exclosure constitute carries out ore and sorts the place that mine tailing is got rid of in the back in order to store up the metal and nonmetal mine, is the necessary facility of keeping the mine ordinary production, is the environmental engineering project of bargh's maximum.Can prevent that mine tailing Xiang Jiang, river, lake, sea, desert and grassland etc. from locating any discharging.
At present, the type in mine tailing storehouse has mountain valley-type mine tailing storehouse, is close to type mine tailing storehouse, mountain, flat type mine tailing storehouse, cuts type mine tailing storehouse, river.The capital investment in mine tailing storehouse generally accounts for more than 10% of mine construction gross investment, accounts for about 20% of ore dressing plant investment, have almost near in addition surpass the ore dressing plant investment.The running cost of mine tailing facility is also higher, and some mill tailings facility operation cost accounts for more than 30% of ore dressing plant cost of production.In order to reduce running cost, the position in mine tailing storehouse is depended in the factory site, ore dressing plant in some mine.In order not account for or account for less the farmland as far as possible, do not move or move less the village, reduce the cost of mine tailing storehouse expropriation of land, capital investment and operation, the addressing in mine tailing storehouse is very important.
Mine tailing storehouse siting analysis demonstration is that a job is complicated, and elapsed-time standards is long, and is comprehensively wide, the work that global concept is strong.In recent years, because land acquisition and resettlement peasant household are difficult all the more, the expense of building the mine tailing storehouse is higher.More particularly be subjected to the restriction of local orographic condition, planning etc., be difficult in existing plant area beyond the scope expropriation of land build the mine tailing storehouse, make that bargh has to consider to build the mine tailing storehouse at above goaf.
But because the mine tailing storehouse is a dangerous matter sources with artificial mud-rock flow of high potential energy, in case accident will cause huge disaster and loss to industrial and agricultural production and downstream people's lives and properties.Especially build the mine tailing storehouse at above goaf, at home, also extremely rare in the world even.In case the overlying strata body subsides and causes permeable race sand accident on the goaf, will constitute greatly threat to bottom mining safety and the hundreds of people's in down-hole lives and properties.
The present invention systematically studies engineering geological conditions, hydrogeologys such as stratum, lithology according to geology, the construction features of overlying strata body and country rock on the goaf, and analysis of experiments rock mass strength, mine tailing and ore pulp feature adopt fuzzy-randomized to determine to rock mass strength; Territory cylinder stability analysis method, the elastic and plastic finite element analysis method handed over adopted in the goaf, the analysis of finite element seepage field, stability and fail-safe analysis are adopted in preloading mine tailing storehouse, the applying value engineering theory is selected location, mine tailing Kuku simultaneously.
Summary of the invention
Purpose of the present invention is exactly at disappearance of the prior art, and a kind of not bashing method that the mine tailing storehouse is directly built in the top is provided, both solve the ordinary production that above goaf is built the potential safety hazard in mine tailing storehouse, guaranteed large-scale deep-well mine, saved the goaf handling again, tailings is stored up fees paid for taking rural land and operating charges.
For realizing above-mentioned purpose of the present invention, the method that the mine tailing storehouse is directly built in a kind of not bashing of the present invention top is achieved through the following technical solutions:
(1) goaf investigation: systematically to the particular location in goaf, goaf size, highly, roof and floor lithology and stability state, ore pillar size and stability, the variation of inclination angle, goaf, crack and structure and underground water situation etc. investigated, and analyzes checking computations goaf relevant parameter;
(2) top board overlying strata stability analysis: top board overlying strata piecemeal accent is slit into the irregular cylinder in friendship territory carries out stability analysis;
The irregular cylinder in described friendship territory is that to hand over the territory with mine tailing storehouse and gob edge horizontal projection be the boundary, the top board overlying strata between perpendicular cuts mine tailing storehouse and the goaf, and the top is the boundary with surface, mine tailing storehouse, the bottom is the irregular cylinder that the boundary constitutes with the goaf;
Described stability analysis be according to goaf trend and mine tailing storehouse trend be+word intersects characteristics, to handing over the irregular cylinder employing in the territory piecemeal accent statistics of cutting, add up, and derive formula in conjunction with data at home and abroad and carry out analytical calculation;
(3) according under the loading in mine tailing storehouse elastic and plastic finite element analysis being carried out in the goaf: utilize Finite Element to carry out the model excavation in goaf, analyze goaf stress state, deformation behaviour and Changing Pattern thereof under the mine tailing storehouse loads;
Used software is the special-purpose NFP software of underground mining, and displacement and stress analysis are carried out in the goaf;
(4) seepage action of ground water field analysis: go out the node head with FEM (finite element) calculation, and export waterline with computer;
(5) stability in mine tailing storehouse and fail-safe analysis: carry out stability analysis with Fillenius, Bishop, Sarma method, and carry out fail-safe analysis with Monte Carlo (Monte-carlo) simulation;
(6) location, mine tailing Kuku is selected: adopt the Value Engineering analytic approach to select more excellent location, mine tailing Kuku;
(7) the mine tailing storehouse is built: comprise initial dam, tailings fill dam and drainage system.
Above-mentioned elastic and plastic finite element analysis is to utilize Finite Element to carry out the model excavation in goaf, analyzes its stress state, deformation behaviour and Changing Pattern thereof.
Above-mentioned Monte Carlo (Monte-carlo) simulation is a kind of according to the statistical sampling theory, utilizes the numerical computation method of electronic computer research stochastic variable, is that reliability is calculated accurate relatively method.
Above-mentioned Value Engineering is meant and uses collective wisdom and organized activities, the target engineering is carried out function analysis, make it with minimum total cost, realize the necessary function of target engineering reliably, thereby improve the technical economic analysis method of a cover science of target construction value.
The method that the mine tailing storehouse is directly built in a kind of not bashing of the present invention top has following good effect by above technical scheme:
(1) eliminates the potential safety hazard that super-huge above goaf makes up the mine tailing storehouse, guaranteed the ordinary production in large-scale deep-well mine;
(2) saved goaf handling, tailings and stored up longly apart from pipage and operating charges, direct economic benefit is remarkable;
(3) build the mine tailing storehouse at above goaf first, can be the reference function of having gone together both at home and abroad, this achievement is converted into productivity simultaneously, will produce huge social benefit.
Description of drawings
Fig. 1 directly builds the figure of longitudinal projection of the method in mine tailing storehouse for a kind of not bashing of the present invention top.
The specific embodiment
For further describing the present invention, the method for the mine tailing storehouse directly being built in a kind of not bashing of the present invention top below in conjunction with drawings and Examples describes in further detail.
Shown in Figure 1 is that the principle of directly building the method in mine tailing storehouse above a kind of not bashing of the present invention is schemed with arranging longitudinal projection.Reference numeral is:
The 1-face of land; The 2-goaf; The 3-ore pillar; 4-top board overlying strata; 5-mine tailing storehouse; The 6-initial dam; 7-tailings fill dam; The 8-drainage system.
By shown in Figure 1 be a kind of not bashing of the present invention top method of directly building the mine tailing storehouse principle with arrange that the figure of longitudinal projection finds out:
By investigation and ore pillar 3 rock mechanics experiments, top board overlying strata 4 piecemeals accent is slit into the irregular cylinder in friendship territory carries out stability analysis goaf 2; Under the loading in mine tailing storehouse 5, elastic and plastic finite element analysis is carried out in goaf 2; Make up mine tailing storehouse 5 under the situation that goaf 2 is not handled, mine tailing storehouse 5 mainly comprises initial dam 6, tailings fill dam 7 and drainage system 8, and drainage system 8 herein is an overflow well.The number of the ore pillar 3 shown in Fig. 1 is three.
Above goaf is built mine tailing storehouse design for scheme can be divided into three phases with construction:
The investigation and research in phase I goaf.Systematically to the particular location in goaf, dead zone size, highly, roof and floor lithology and stability state, ore pillar size and stability, the variation of inclination angle, dead zone, crack and structure and underground water situation etc. investigated, and analyzes checking computations goaf relevant parameter; The new formula of comprehensive data at home and abroad derivation is set up judging basis, adopts and hands over territory cylinder stability analysis; Use the special-purpose NFP software of underground mining, displacement and stress analysis are carried out in the goaf.
Second stage is determined the addressing of mine tailing storehouse, tailing dam and arrangement of Drainage requirement on the investigation and research basis in goaf; Mine tailing dam location, structural shape, construction requirement; Displacement, drainage pattern and drainage system setting; The foundation of monitoring and safety inspection mode, content and system; The formulation of emergency preplan.
Phase III is at storehouse, the basic enterprising end of line ore deposit design and construction of determining location, storehouse scheme.
Method provided by the invention is in that the large-scale underground nonferrous mine of China---super-huge above goaf has successfully been built the engineering practice in mine tailing storehouse.This embodiment is made up of five major parts (system) such as the layout in reservoir area internal drilling sealing, above goaf mine tailing storehouse, goaf sealing, goaf displacement monitorings.This example came into effect in 1998, finished in April, 2009 and stored up tailings dry measure 185 * 10
4T.Detect according to the engineering verification prospecting, mine tailing storehouse and goaf all are in stable state; The relative maximum displacement in the goaf and the face of land is tending towards 0.This project success has been obtained the remarkable economical social benefit after implementing.
(1) eliminates the potential safety hazard that super-huge above goaf is directly built the mine tailing storehouse, guaranteed the ordinary production in large-scale deep-well mine;
(2) store up longly from saving goaf handling, tailings, ensure 500,000,000 yuan of the indirect benefits of Mine Safety in Production apart from 0.8 hundred million yuan of pipage and operating charges meter direct economic benefits;
(3) realized the initiative achievement that the mine tailing storehouse is directly built in bashing top not;
(4) add up according to investigations, the mine ratio of China's open-stope mining accounts for 50～60%, has stayed a large amount of goafs, the success that the super-huge above goaf in certain ore deposit is directly built the mine tailing storehouse, for engineerings such as ore deposit, water conservancy, building similarly provide example, has popularizing application prospect widely.
Claims (4)
1. bashing top method of directly building the mine tailing storehouse not is characterized in that being achieved through the following technical solutions:
(1) goaf investigation: systematically to the particular location of goaf (2), goaf (2) size, highly, roof and floor lithology and stability state, ore pillar (3) size and stability, goaf (2) inclination angle variation, crack and structure and underground water situation are investigated, and analyze checking computations goaf relevant parameter;
(2) top board overlying strata stability analysis: top board overlying strata (4) piecemeal accent is slit into the irregular cylinder in friendship territory carries out stability analysis;
The irregular cylinder in described friendship territory is that to hand over the territory with mine tailing storehouse (5) with border, goaf (2) horizontal projection be the boundary, top board overlying strata (4) between perpendicular cuts mine tailing storehouse and the goaf, the top is the boundary with surface, mine tailing storehouse, and the bottom is the irregular cylinder that the boundary constitutes with the goaf;
Described stability analysis be according to goaf (2) trend and mine tailing storehouse (5) trend be+word intersects characteristics, to handing over the irregular cylinder employing in the territory piecemeal accent statistics of cutting, add up, and derive formula in conjunction with data at home and abroad and carry out analytical calculation;
(3) according under the loading of mine tailing storehouse (5) goaf (2) being carried out elastic and plastic finite element analysis: utilize Finite Element to carry out the model excavation in goaf (2), analyze goaf (2) stress state, deformation behaviour and Changing Pattern thereof under mine tailing storehouse (5) load;
(4) seepage action of ground water field analysis;
(5) stability in mine tailing storehouse and fail-safe analysis;
(6) location, mine tailing Kuku is selected;
(7) the mine tailing storehouse is built.
2. the method that the mine tailing storehouse is directly built in a kind of not bashing as claimed in claim 1 top, the stability and the fail-safe analysis that it is characterized in that described mine tailing storehouse are: carry out stability analysis with Fillenius, Bishop, Sarma method, and carry out fail-safe analysis with Monte Carlo (Monte-carlo) simulation.
3. the method that the mine tailing storehouse is directly built in a kind of not bashing as claimed in claim 1 or 2 top, it is characterized in that: described seepage action of ground water field analysis adopts FEM (finite element) calculation to go out the node head, and exports waterline with computer.
4. the method that the mine tailing storehouse is directly built in a kind of not bashing as claimed in claim 3 top is characterized in that: the software that described elastic and plastic finite element analysis adopts is the special-purpose NFP software of underground mining.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102879443A CN101974909B (en) | 2010-09-17 | 2010-09-17 | Method for directly building tailing ponds without filling positions above goaf |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102879443A CN101974909B (en) | 2010-09-17 | 2010-09-17 | Method for directly building tailing ponds without filling positions above goaf |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101974909A CN101974909A (en) | 2011-02-16 |
| CN101974909B true CN101974909B (en) | 2011-11-23 |
Family
ID=43574812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102879443A Expired - Fee Related CN101974909B (en) | 2010-09-17 | 2010-09-17 | Method for directly building tailing ponds without filling positions above goaf |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101974909B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102444135B (en) * | 2011-12-02 | 2013-12-18 | 中钢集团马鞍山矿山研究院有限公司 | Combined mixed-discharge technology for mining barren rock soil and solidified tailings |
| CN103216241B (en) * | 2013-04-10 | 2015-11-25 | 广东安元矿业勘察设计有限公司 | Engineering mining codes |
| CN106088107B (en) * | 2016-06-20 | 2018-01-05 | 中钢集团马鞍山矿山研究院有限公司 | A kind of tailings impoundment is in the method in Caving Method with Large Space production mine surface subsidence hole |
| CN108229034A (en) * | 2018-01-08 | 2018-06-29 | 中国恩菲工程技术有限公司 | The emulation mode and system of mine down-hole logistics transportation, device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2186902C1 (en) * | 2000-12-09 | 2002-08-10 | Акционерная компания "АЛРОСА" (Закрытое акционерное общество) | Process of erection of alluvial man-made deposit |
| CN101591901A (en) * | 2008-05-29 | 2009-12-02 | 中国铝业股份有限公司 | A kind of damming method of mine tailing storehouse in metallurgy industry |
-
2010
- 2010-09-17 CN CN2010102879443A patent/CN101974909B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101974909A (en) | 2011-02-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Zhang et al. | The application of short-wall block backfill mining to preserve surface water resources in northwest China | |
| CN102444135B (en) | Combined mixed-discharge technology for mining barren rock soil and solidified tailings | |
| CN103899352B (en) | The design of solid filling Full Ratio and control method in coal mining | |
| Lee et al. | Rock engineering in underground energy storage in Korea | |
| Guo et al. | Subsidence control and farmland conservation by solid backfilling mining technology | |
| CN104408323A (en) | Method for advanced forecasting of roof separation water disaster of stope based on multi-source information fusion | |
| Shi | Mine green mining | |
| CN104074541A (en) | Solid filling mining design method under water body | |
| CN101974909B (en) | Method for directly building tailing ponds without filling positions above goaf | |
| CN102799744A (en) | Dumping process technology of open cut ore mine moraine soil | |
| CN107975044A (en) | A kind of method that Caving Method with Large Space mine is backfilled using tailing surface subsidence hole | |
| CN103670511B (en) | A kind of analysis calculation method of roof strata level of breakage | |
| CN106088107A (en) | A kind of method that tailings impoundment produces surface subsidence hole, mine in Caving Method with Large Space | |
| Xu et al. | Water disaster types and water control measures of Hanxing coal mine area | |
| Lu et al. | Monitoring and analysis of ground subsidence and backfill stress distribution in Jinchuan Mine, China | |
| Fan et al. | The characteristics of grout diffusion in reduce subsidence mining with abscission layer grouting | |
| Cheng et al. | Prediction and Statistical Analysis of Damaged Land in Coal Mine Goaf | |
| ZHANG et al. | Valley deformation and Stability assement of Plunge Pool slope | |
| CN106097126A (en) | Caving Method with Large Space produces the quantization method of cave-in areas hole heap row's solidification mine tailing Rational Thickness | |
| Wang et al. | Research on Construction Control Technology of Large-Span and Small Clear Distance Underpass High-Voltage Line Tunnel | |
| Kong et al. | Study on Artificial Dam Thickness of Underground Reservoir in Wulanmulun Mine | |
| Yang | Influence of Underground Mining on Surface Tailings Pond | |
| He et al. | Study on the mechanism and control of strong ground pressure in the mining of shallow buried close-distance coal seam passing through the loess hilly region | |
| Yujie et al. | Study on moist-locking mining technique of cool water well coal mine | |
| Wu et al. | A study on coal mining under large reservoir areas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111123 Termination date: 20160917 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |