CN108286429A - The partition method of more space water passages - Google Patents
The partition method of more space water passages Download PDFInfo
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- CN108286429A CN108286429A CN201810059690.6A CN201810059690A CN108286429A CN 108286429 A CN108286429 A CN 108286429A CN 201810059690 A CN201810059690 A CN 201810059690A CN 108286429 A CN108286429 A CN 108286429A
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000005192 partition Methods 0.000 title claims abstract description 24
- 239000002002 slurry Substances 0.000 claims abstract description 29
- 239000011440 grout Substances 0.000 claims abstract description 13
- 230000010412 perfusion Effects 0.000 claims abstract description 9
- 239000002352 surface water Substances 0.000 claims abstract description 5
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- ONCZQWJXONKSMM-UHFFFAOYSA-N dialuminum;disodium;oxygen(2-);silicon(4+);hydrate Chemical compound O.[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Na+].[Na+].[Al+3].[Al+3].[Si+4].[Si+4].[Si+4].[Si+4] ONCZQWJXONKSMM-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C41/00—Methods of underground or surface mining; Layouts therefor
- E21C41/32—Reclamation of surface-mined areas
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Remote Sensing (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The invention discloses a kind of partition method of more space water passages, the partition method of more space water passages according to the ... of the embodiment of the present invention, the partition method includes the following steps for filling open-air pit：S1：Detect goaf existing for the underground space below the open-air pit；S2：Setting is connected to the grout hole in the goaf on the bottom wall of the open-air pit；S3：Through the grout hole towards goaf perfusion the first filling slurry to block the goaf；S4：False top is constructed in the bottom wall of the open-air pit, the vacation is very useful to flow into the underground space in the top for reinforcing the underground space and prevention surface water.The blocking-up method of the water passage in more spaces according to the ... of the embodiment of the present invention, due to constructing two step of Man-made False on the bottom wall including grout sealing goaf and open-air pit, open-air pit and the infiltration of recovery of subterranean space are more effectively blocked, and construction technology is relatively simple, construction cost is relatively low.
Description
Technical field
The present invention relates to mine open-air pit processing technology field more particularly to a kind of partition sides of more space water passages
Method.
Background technology
There is many and be different from independent outdoor or underground mining mine problem to be solved in open air trestle mining,
Such as transitional period mining sequence, transitional period mining methods, flood control and water drain, outdoor the problems such as exploitation is cooperateed with underground, wherein controlling flood
It is one of the critical issue that should be solved first.General opencut has more complicated water passage with underground mining stope so that top
The Atmospheric precipitation that opencut is collected directly pours into underground production system, constitutes a serious threat to underground mining.Water passage with
The modes such as waste roadway, unfilled goaf, solution cavity, crack, subsidence area exist, and find out and separate waterpower and control flood as opencut
The key breakthrough points.
Have some mine open-air pits in currently available technology and the water passage of underground mine is handled.For example, mine
Mountain open air trestle grouting curtain measure.Mine is combined surface and underground mining, due to the residual mine exploitation of hole bottom ore body, in -234 m
Horizontal prospect tunnel blow out after, it is permeable that the broken water-bearing zone on quick-fried logical ore body periphery causes open-air pit.After letting out under water, go out at hole bottom
3 sinkholes are showed, wherein 2 in the open-air pit south, lower part is people exploiting field, another is on open-air pit water area east casting side
Slope slope foot, lower part flow to unknown.There is a Collapse Pit in open-air pit refuse dump south slope afterwards, and underground stope is not caving, in -185m
Section, top courtyard and connection roadway are intact, water burst also no abnormality seen.In permeable initial 37.5h, water yield reaches 97562m3, average
Water yield 2602m3/ h, initial 61.5h water yields reach 123445m3, average water yield 2007m3/h.Permeable initial stage water is more clear, after
Come more muddy, the silt particle amount brought out is not totally very big, does not embody the silt particle amount of Nan Keng losses, illustrates there is a large amount of silt particle
It is deposited in unknown dead zone, forms potential threat.To prevent extra torrential rain from causing underground gushing water excessive, note is set in open-air pit
It starches curtain and builds sump and auxiliary facility.Using in plane be in closed, section on belong to semienclosed curtain layout pattern,
Curtain bottom connects opposite aquitard.The wide 450m of griotte rock zone in open-air pit, downpayment curtain line slip casting length 120m block underground and go out
Fault belt at water has such as reached water plugging effect, then later stage grouting curtain engineering of no longer constructing；Such as fall flat,
Whole grouting curtain engineerings are then completed, take closed grouting water-tight curtain, full curtain line slip casting length 450m in the plane.
In another example the open-air pit bottom seepage control measure after the open air trestle of certain iron ore.It is since iron ore open-air pit dumps object
Aqueous 20% or so CHARACTERISTICS OF TAILINGS SAND, and open-air pit bottom and highwall understand the hole there are many random distribution due to production resettlement etc.
Gap and crack, in the state of tailings discharging, necessarily with the presence of water in these holes and crack.Ponding not only makes the mechanics of rock mass
Property further deteriorates, and tailing water oozes people and will apply normal osmosis pressure and tangent hauling force to crack wall, thus shape
At seepage field can influence the stability of stope.Therefore, to ensure the production safety in mine, iron ore is in the southern exploiting field ore body time of acceleration
While adopting, it is necessary to carry out seepage control measure.After strip mining transformation, open-air pit bottom certainly exists some barren rocks, and outdoor
It is also rugged to cheat bottom topography.Therefore, it when designing seepage control measure, first has in the glutinous of one layer of 30cm thickness of open-air pit bottom laying
Soil, and pave, spreading, accomplish to keep clay layer relatively flat as far as possible, after qualified by inspection, then lays geotechnique on clay layer
Film.The geotechnological film quality of selection is answered relatively good, and film bursting strength, film tensile strength and film ductility are as high as possible, in this way
Geomembrane could be unlikely to rupture in the construction process.
In conclusion open air trestle flood control measure mainly has grouting curtain and hole bottom setting impervious barrier at present.The former adopts
With being in belong to semienclosed curtain layout pattern on closed, section in plane, curtain bottom connects opposite aquitard, has construction multiple
Miscellaneous, investment is larger, and curtain body is easy to be influenced by hole bottom explosion.The latter is flattened by place, is laid with sodium bentonite blanket, geotechnique
Film, short fibre geomembrane etc., to prevent geomembrane drawing crack, must also set anchoring groove.Have the characteristics that construction investment is big, construction is complicated,
Cheating bottom water passage simultaneously does not use closure to handle, and impervious barrier is easy to be stretched destruction.
Invention content
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, the present invention proposes that one kind is more
The partition method of space water passage, the partition method can more efficiently block open-air pit and recovery of subterranean space waterpower
Channel prevents earth's surface charge for remittance from pouring into underground by open-air pit, and construction technology is relatively simple, and construction cost is relatively low.
The partition method of more space water passages according to the ... of the embodiment of the present invention, the partition method are outdoor for filling
Hole, includes the following steps：
S1：Detect goaf existing for the underground space below the open-air pit；
S2：Setting is connected to the grout hole in the goaf on the bottom wall of the open-air pit；
S3：Through the grout hole towards goaf perfusion the first filling slurry to block the goaf；
S4：Construct false top in the bottom wall of the open-air pit, the vacation it is very useful in the top for reinforcing the underground space and
Surface water is prevented to flow into the underground space.
The blocking-up method of the water passage in more spaces according to the ... of the embodiment of the present invention, due to include grout sealing goaf and
Two step of Man-made False is constructed on the bottom wall of open-air pit, is more effectively blocked open-air pit and recovery of subterranean space water passage, is prevented
Earth's surface charge for remittance pours into underground and ensures underground mining safety, and construction technology is relatively simple, and construction cost is relatively low.
In some embodiments, step S4 includes the following steps：
Q1：Reference plane is chosen on the bottom wall of the open-air pit；
Q2：Part to being higher or lower than the reference plane on the bottom wall of the open-air pit is cut or is filled and led up；
Q4；The second filling slurry of perfusion is to form the false top on the bottom wall of the open-air pit.
Specifically, further include step Q3 between step Q2 and Q4：It is laid with bar-mat reinforcement on the bottom wall of the open-air pit.
In some embodiments, the first filling slurry is crude tailings cementitious slurry.
In some embodiments, the second filling slurry is the mixed slurry of gel rubber material and crude tailings material.
In some optional embodiments, the upper surface on the false top is located at below earth's surface.
Specifically, the superjacent air space on the false top is equipped with filled layer, and the upper surface of the filled layer is concordant with earth's surface.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obviously, or practice through the invention is recognized.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination following accompanying drawings to embodiment
Obviously and it is readily appreciated that, wherein：
Fig. 1 using more space water passages partition method treated open-air pit of the embodiment of the present invention structural representation
Figure.
Reference numeral：
Open-air pit 100, false top 200, bar-mat reinforcement 300, goaf 400, filled layer 500.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on ... shown in the drawings or
Position relationship is merely for convenience of description of the present invention and simplification of the description, and does not indicate or imply the indicated device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, limit
There is the feature of " first ", " second " to can explicitly or implicitly include one or more this feature surely.The present invention's
In description, unless otherwise indicated, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
The partition method of more space water passages according to the ... of the embodiment of the present invention is described below with reference to Fig. 1.
It should be noted that it is understood that there are flood control and water drain, usual feelings in open air trestle mining
Under condition, open-air pit 100 has more complicated water passage with underground mining stope so that the air drop that top open-air pit 100 is collected
Water directly pours into underground production system, constitutes a serious threat to underground mining.More space water passages of the embodiment of the present invention
Blocking-up method is exactly to discard after open air trestle exploitation and fill open-air pit 100 using crude tailings when open-air pit recycles, from
And it realizes and blocks open-air pit 100 and water passage present in the production system of underground.
The partition method of more space water passages according to the ... of the embodiment of the present invention includes the following steps：
S1：Detect goaf 400 existing for the underground space of 100 lower section of open-air pit；
S2：The grout hole in setting connection goaf 400 on the bottom wall of open-air pit 100；
S3：Through grout hole towards the perfusion of goaf 400 first filling slurry to block goaf 400；
S4：False top 200, top and prevention of the vacation top 200 for reinforcing the underground space are constructed in the bottom wall of open-air pit 100
Surface water flows into the underground space.
It is understood that being constructed on the bottom wall of open-air pit 100 before false top 200 first by adopting below open-air pit 100
Dead zone 400 with first filling slurry filling block, can not only prevent the ponding in goaf 400 permeate the ground mining space,
It can also avoid the phenomenon that goaf 400 caves in occur when constructing false top 200.At the same time, goaf 400 is being blocked
Construct false top 200 on the bottom wall of open-air pit 100 afterwards, vacation top 200 can be good at preventing surface water from permeating the ground in mining space,
Preferable flooding action can be played.Since false top 200 strengthens the roof in underground mining space to a certain extent, further
Prevent the generation of cave-in accident.The mode of grouting curtain or hole bottom setting anti-seepage geomembrane compared with prior art, this hair
The method for filling of bright embodiment is relatively simple, and construction cost is relatively low.
The blocking-up method of the water passage in more spaces according to the ... of the embodiment of the present invention, due to including grout sealing goaf
400 and open-air pit 100 bottom wall on construct 200 liang of Man-made False step, more effectively block open-air pit 100 and recovery of subterranean empty
Between water passage, prevent earth's surface charge for remittance from pouring into underground, and construction technology is relatively simple, construction cost is relatively low.
In some optional embodiments, the mode in detection goaf 400 can be physical detecting method and bore detecting
Method one of which or the two are used in mixed way, thus, it is possible to relatively accurately detect the specific location in goaf 400.
In some embodiments, step S4 includes the following steps：
Q1：Reference plane is chosen on the bottom wall of open-air pit 100；
Q2：Part to being higher or lower than reference plane on the bottom wall of open-air pit 100 is cut or is filled and led up；
Q4；The second filling slurry of perfusion is to form false top 200 on the bottom wall of open-air pit 100.
What needs to be explained here is that the hole bottom of open-air pit 100 is uneven under normal conditions, and have barren rock residue etc.
Deng therefore, the second filling slurry is perfused directly on the bottom wall of open-air pit 100 forming false top 200 can cause false top 200 closely knit
Degree not enough occurs so as to cause the bad phenomenon of water isolating.As a result, before perfusion the second filling slurry forms false top 200,
First cut convex recess reason of filling out to the bottom wall of open-air pit 100 and ensure that the bottom wall of open-air pit 100 is more smooth so that vacation top 200
Compactness it is higher, to ensure that the water-resisting property on false top 200.
Specifically, further include step Q3 between step Q2 and Q4：Bar-mat reinforcement 300 is laid on the bottom wall of open-air pit 100.
It is understood that the intensity on false top 200 can be reinforced by being laid with bar-mat reinforcement 300 on the bottom wall of open-air pit 100, further increase
The reinforcement effect of the 200 pairs of underground mining space roofs in false top, largely avoids the phenomenon that collapsing.It needs to illustrate
, the position of bar-mat reinforcement 300 can be configured according to the position in goaf 400, and goaf 400 is more intensive
Multi-story steel mesh 300 can be arranged in ground.
Advantageous, vacation top 200 once is perfused to be formed when weather is fine.It is possible thereby to improve the intensity on false top 200 with it is close
Solidity.
In some embodiments, first filling slurry be crude tailings cementitious slurry, second filling slurry be gel rubber material with
The mixed slurry of crude tailings material.What needs to be explained here is that the selection of the first filling slurry and the second filling slurry needs root
It makes and being adaptively adjusted according to the practical geology of open-air pit 100, the size in goaf 400, the practical geology in entire minery, also
It is to say, the material of the first filling slurry and the second filling slurry is not limited to above-mentioned material.
It should be added that the first filling slurry and the second filling slurry all have certain mobility, thus may be used
To allow filling slurry to penetrate into the geology crack in open-air pit 100 or goaf 400 naturally, allow after open-air pit 100 and filling
Goaf 400 preferably forms entirety, to improve the anti-collapse performance in underground mining space.
In some optional embodiments, the upper surface on vacation top 200 is located at below earth's surface.It is understood that usual feelings
Under condition, the depth of open-air pit 100 is deeper, if the upper surface on false top 200 is concordant with earth's surface, although having extremely strong waterproof effect
And consolidation effect, but the thickness too conference on false top 200 makes cost greatly increase.Therefore, in practical operation, vacation top 200
Upper surface is generally placed at below earth's surface, compresses construction cost while ensureing the waterproof effect and processing effect on false top 200.
Specifically, the superjacent air space on false top 200 is equipped with filled layer 500, and the upper surface of filled layer 500 is concordant with earth's surface.
It should be noted that filled layer 500 may be used more loose sandstone or ettle etc. formation, filled layer 500 it is upper
Surface applications earth's surface can concordantly improve the aesthetic measure in mining area, and facilitate the traffic in mining area to a certain extent.
The partition method of more space water passages of a specific embodiment of the invention is described below.
The partition method of the present embodiment includes the following steps：
W1：Existing for the underground space using 100 lower section of the associated form of physical detecting and bore detecting detection open-air pit
Goaf 400；
W2：The grout hole in setting connection goaf 400 on the bottom wall of open-air pit 100；
W3：All-tailing cemented filling material slurry is perfused to block goaf 400 towards goaf 400 through grout hole；
W4：Choose reference plane on the bottom wall of open-air pit 100, reference plane is apart from 84 meters of earth's surface；
W5：Part to being higher or lower than reference plane on the bottom wall of open-air pit 100 is cut or is filled and led up；
W6：Bar-mat reinforcement 300 is laid on the bottom wall of open-air pit 100.
W7：The second filling slurry of perfusion to be to form false top 200 on the bottom wall of open-air pit 100, the upper surface on vacation top 200 away from
From earth's surface 63m；
W8：Upper surface setting filled layer 500 on false top 200 makes the upper surface of filled layer 500 concordant with earth's surface.
The partition method of more space water passages of the present embodiment has the following advantages
(1) construction is simple, small investment.Goaf 400 is detected using the method for visual physical detecting+bore detecting,
Then false top 200 is formed on the bottom wall of open-air pit 100, there is no later maintenance similar to the curtain body of grouting curtain formula, is also not required to
The bottom wall that largely excavate and flatten open-air pit 100 carries out antiseepage.
(2) be conducive to high gradient slope improvement.Processing goaf 400 is starched using all-tailing cemented filling material, filling slurry is same
When penetrate into geology crack, allow the underground space of goaf 400 and open-air pit 100 to form an entirety, while false top 200 also may be used
To reduce the height of high gradient slope.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can be combined in any suitable manner in any one or more of the embodiments or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of being detached from the principle of the present invention and objective a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The range of invention is limited by claim and its equivalent.
Claims (7)
1. a kind of partition method of more space water passages, the partition method is for filling open-air pit, which is characterized in that including
Following steps：
S1：Detect goaf existing for the underground space below the open-air pit；
S2：Setting is connected to the grout hole in the goaf on the bottom wall of the open-air pit；
S3：Through the grout hole towards goaf perfusion the first filling slurry to block the goaf；
S4：False top is constructed in the bottom wall of the open-air pit, the vacation is very useful in the top for reinforcing the underground space and prevention
Surface water flows into the underground space.
2. the partition method of more space water passages according to claim 1, which is characterized in that step S4 includes following step
Suddenly：
Q1：Reference plane is chosen on the bottom wall of the open-air pit；
Q2：Part to being higher or lower than the reference plane on the bottom wall of the open-air pit is cut or is filled and led up；
Q4；The second filling slurry of perfusion is to form the false top on the bottom wall of the open-air pit.
3. the partition method of more space water passages according to claim 2, which is characterized in that between step Q2 and Q4
Further include step Q3：It is laid with bar-mat reinforcement on the bottom wall of the open-air pit.
4. the partition method of more space water passages according to claim 1, which is characterized in that the first filling slurry
For crude tailings cementitious slurry.
5. the partition method of more space water passages according to claim 2, which is characterized in that the second filling slurry
For the mixed slurry of gel rubber material and crude tailings material.
6. wanting the partition method of more space water passages described in 2 according to right, which is characterized in that the upper surface position on the false top
Below earth's surface.
7. the partition method of more space water passages according to claim 6, which is characterized in that the top on the false top is empty
Between be equipped with filled layer, the upper surface of the filled layer is concordant with earth's surface.
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| CN104653224A (en) * | 2014-12-12 | 2015-05-27 | 河北联合大学 | Open pit tailing cemented filling treatment method |
| CN105240047A (en) * | 2015-09-16 | 2016-01-13 | 鞍钢集团矿业公司 | Filling reinforcement method for managing underground mined area of open-pit mine |
| CN105971610A (en) * | 2016-06-27 | 2016-09-28 | 安徽金联地矿科技有限公司 | Process for recycling and collecting open residual ore |
| CN106168133A (en) * | 2016-08-25 | 2016-11-30 | 中国恩菲工程技术有限公司 | Open-air pit fill method |
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Application publication date: 20180717 |