CN106285690A - A kind of ultradeep well shaft bottom fine ore collection vertical shaft and rapid construction method for protecting support thereof - Google Patents
A kind of ultradeep well shaft bottom fine ore collection vertical shaft and rapid construction method for protecting support thereof Download PDFInfo
- Publication number
- CN106285690A CN106285690A CN201610648505.8A CN201610648505A CN106285690A CN 106285690 A CN106285690 A CN 106285690A CN 201610648505 A CN201610648505 A CN 201610648505A CN 106285690 A CN106285690 A CN 106285690A
- Authority
- CN
- China
- Prior art keywords
- liner plate
- country rock
- fine ore
- vertical shaft
- ore collection
- 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.)
- Granted
Links
- 238000010276 construction Methods 0.000 title claims abstract description 16
- 239000011435 rock Substances 0.000 claims abstract description 66
- 230000001681 protective effect Effects 0.000 claims abstract description 7
- 238000005266 casting Methods 0.000 claims abstract description 5
- 239000003755 preservative agent Substances 0.000 claims description 9
- 230000002335 preservative effect Effects 0.000 claims description 9
- 238000000465 moulding Methods 0.000 claims description 8
- 238000005260 corrosion Methods 0.000 claims description 5
- 230000007797 corrosion Effects 0.000 claims description 5
- 201000004792 malaria Diseases 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 238000005553 drilling Methods 0.000 claims description 4
- 230000011218 segmentation Effects 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 4
- 238000007711 solidification Methods 0.000 claims description 4
- 230000008023 solidification Effects 0.000 claims description 4
- 230000002950 deficient Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000015271 coagulation Effects 0.000 description 4
- 238000005345 coagulation Methods 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 238000011084 recovery Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000006424 Flood reaction Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D8/00—Shafts not provided for in groups E21D1/00 - E21D7/00
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D1/00—Sinking shafts
- E21D1/03—Sinking shafts mechanically, e.g. by loading shovels or loading buckets, scraping devices, conveying screws
- E21D1/06—Sinking shafts mechanically, e.g. by loading shovels or loading buckets, scraping devices, conveying screws with shaft-boring cutters
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D5/00—Lining shafts; Linings therefor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D5/00—Lining shafts; Linings therefor
- E21D5/04—Lining shafts; Linings therefor with brick, concrete, stone, or similar building materials
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D5/00—Lining shafts; Linings therefor
- E21D5/12—Accessories for making shaft linings, e.g. suspended cradles, shutterings
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Earth Drilling (AREA)
- Revetment (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The present invention relates to a kind of ultradeep well shaft bottom fine ore collection vertical shaft and rapid construction method for protecting support thereof, belong to fine ore collection Construction Technology field；Described ultradeep well shaft bottom fine ore collection vertical shaft includes liner plate, weldering nail, country rock, concrete supporting four part；Described liner plate is fixed on inside country rock, and liner plate is as the interim protective measure of country rock early stage, and also serves as later stage concrete-pouring template, and described weldering nail is connected with liner plate, forms entirety in order to realize liner plate with concrete；Leave between liner plate and country rock and certain thickness pour gap, as the permanent support measure of ultradeep well shaft bottom fine ore collection vertical shaft after casting concrete in gap.The present invention can realize the borehole wall is carried out quick supporting, improves working environment, strengthens prop intensity, it is ensured that adjoining rock stability is run.
Description
Technical field
The invention belongs to fine ore collection Construction Technology field, specifically, relate to a kind of ultradeep well shaft bottom fine ore and return
Receive vertical shaft and rapid construction method for protecting support thereof.
Background technology
Skip in shaft promotes and there is Ore and fine ore scatters problem, although through for many years it was verified that adopt in design
Take corresponding technical measures, production is strengthened management, also can only reduce the amount of scattering of fine ore, it is impossible to avoid fine ore to scatter phenomenon
Occur.Fine ore collection mode need to combine with mine development mode, has auxiliary shaft recovery, inclined shaft to reclaim at present and reclaims three with staple
Plant fine ore collection mode.The features such as it is little that vertical shaft way of recycling has quantities, and the duration is short, it is adaptable to be provided with tail rope and steel guide
Vertical shaft.Yet with factors such as heavily stressed, high confining pressure, High-geotemperatures that ultra-deep portion environment brings, and thus cause rock burst, floods
The unfavorable conditions such as evil, often there will be borehole wall wall caving, the accident such as collapse when constructing powder ore recovery system, and affect later stage safety
Stable operation, it would therefore be highly desirable to provide a kind of fine ore collection vertical shaft being adapted under this special environment can quickly carry out safe construction.
Summary of the invention
For the problems referred to above, the present invention proposes a kind of ultradeep well shaft bottom fine ore collection vertical shaft and rapid construction supporting side thereof
Method, use liner plate is as the gib measure of country rock early stage, and also serves as later stage concrete-pouring template, and it is applicable to ultra-deep
Country rock fast and safe construction under the conditions of portion, rich water, severe geology, it is to avoid during construction powder ore recovery system, borehole wall wall caving occurs, collapse
The accident such as collapse, have influence on the safe and stable operation of construction in later period.
In order to solve the problems referred to above, the technical solution adopted in the present invention:
Described ultradeep well shaft bottom fine ore collection vertical shaft includes liner plate 1, weldering nail 2, country rock 3, concrete supporting 4, and described encloses
Rock 3 be internally provided with liner plate 1, weldering nail 2 is uniformly crisscross arranged on the outer wall of liner plate 1, leaves and water between liner plate 1 and country rock 3
Build gap, the gap between liner plate 1 and country rock 3 has poured concrete supporting 4.
As preferably, described weldering nail 2 uses the mode welded to be attached with liner plate 1.
As preferably, it is h that described country rock 3 is reserved with thickness2The deficient layer that digs of=0～50mm, length L of weldering nail 2 and coagulation
The relation of the thickness D of soil sheath 4 is D=L+h1+h2, wherein, h1=30～50mm, for the concrete cover of code requirement.
The rapid construction method for protecting support of the ultradeep well shaft bottom fine ore collection vertical shaft more than recorded, comprises the following steps:
Step 1: drilling well
Use raise boring machine 5 the most vertically driving, it is achieved the molding of fine ore collection vertical shaft country rock；
Step 2: supporting
The most vertically tunnel the internal supporting liner plate 1 of the country rock 3 interim protective measure as country rock 3 of molding, liner plate 1 by
Lower and upper segmentation is installed, and uses the mode of welding to be attached between adjacent liner plates 1；During supporting, liner plate 1 and country rock 3 it
Between leave and pour gap；
Step 3: pour
That reserves between liner plate 1 and country rock 3 pours casting concrete in gap, makes on concrete slurry solidification and liner plate 1
The inwall of weldering nail 2 and country rock 3 forms integrative-structure, it is achieved fixing liner plate 1, makes liner plate 1 as the permanent support of country rock 3
Measure；
Step 4: preservative treatment
Concreting carries out preservative treatment to liner plate 1 in terminating latter 3 days, uses the mode of mopping to realize at the anticorrosion of liner plate 1
Reason, it is to avoid liner plate 1 contacts corrosion with malaria in ultradeep well.
Beneficial effects of the present invention:
The present invention uses liner plate as the interim protective measure of country rock early stage, and also serves as later stage concrete-pouring template, Ke Yishi
Now the borehole wall is carried out quick supporting, improve working environment, strengthen prop intensity, it is ensured that adjoining rock stability is run.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is raise boring machine rapid construction fine ore collection vertical shaft simplified schematic diagram of the present invention.
In figure, 1-liner plate, 2-weld nail, 3-country rock, 4-concrete supporting, 5-raise boring machine.
Detailed description of the invention
Below in conjunction with the embodiment of the present invention and accompanying drawing, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground describes, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on this
Embodiment in invention, the every other reality that those of ordinary skill in the art are obtained under not making creative work premise
Execute example, broadly fall into the scope of protection of the invention.
Embodiment 1
Described ultradeep well shaft bottom fine ore collection vertical shaft includes liner plate 1, weldering nail 2, country rock 3, concrete supporting 4, and described encloses
Rock 3 be internally provided with liner plate 1, weldering nail 2 is uniformly crisscross arranged on the outer wall of liner plate 1, and weldering nail 2 welds with liner plate 1 employing
Mode is attached；Leave between liner plate 1 and country rock 3 and pour gap, the gap between liner plate 1 and country rock 3 has poured coagulation
Soil sheath 4；When country rock 3 occurs owing to dig h2Time, length L of described weldering nail 2 and the relation of the thickness D of concrete supporting 4
For D=L+h1, reserve and owe to dig thickness h2Being present to ensure that when country rock 3 occurs owing to dig, weldering nail 2 still has the concrete of code requirement to protect
Covering thickness h1, it is ensured that the supporting intensity of ultradeep well shaft bottom fine ore collection vertical shaft.
The rapid construction method for protecting support of the ultradeep well shaft bottom fine ore collection vertical shaft more than recorded, comprises the following steps:
Step 1: drilling well
Use raise boring machine 5 the most vertically driving, it is achieved the molding of fine ore collection vertical shaft country rock；
Step 2: supporting
The most vertically tunnel the internal supporting liner plate 1 of the country rock 3 interim protective measure as country rock 3 of molding, liner plate 1 by
Lower and upper segmentation is installed, and uses the mode of welding to be attached between adjacent liner plates 1；During supporting, liner plate 1 and country rock 3 it
Between leave and pour gap；
Step 3: pour
That reserves between liner plate 1 and country rock 3 pours casting concrete in gap, makes on concrete slurry solidification and liner plate 1
The inwall of weldering nail 2 and country rock 3 forms integrative-structure, it is achieved fixing liner plate 1, makes liner plate 1 as the permanent support of country rock 3
Measure；
Step 4: preservative treatment
Concreting carries out preservative treatment to liner plate 1 in terminating latter 3 days, uses the mode of mopping to realize at the anticorrosion of liner plate 1
Reason, it is to avoid liner plate 1 contacts corrosion with malaria in ultradeep well.
Embodiment 2
Described ultradeep well shaft bottom fine ore collection vertical shaft includes liner plate 1, weldering nail 2, country rock 3, concrete supporting 4, and described encloses
Rock 3 be internally provided with liner plate 1, weldering nail 2 is uniformly crisscross arranged on the outer wall of liner plate 1, and weldering nail 2 welds with liner plate 1 employing
Mode is attached；Leave between liner plate 1 and country rock 3 and pour gap, the gap between liner plate 1 and country rock 3 has poured coagulation
Soil sheath 4.When country rock 3 does not occurs owing to dig, length L of described weldering nail 2 and the relation of the thickness D of concrete supporting 4
For D=L+h1+h2, expand the thickness of concrete supporting 4, to strengthen the supporting intensity of ultradeep well shaft bottom fine ore collection vertical shaft,
Guarantee that country rock 3 can steady operation, it is ensured that the stable operation of fine ore collection work.
The rapid construction method for protecting support of the ultradeep well shaft bottom fine ore collection vertical shaft more than recorded, comprises the following steps:
Step 1: drilling well
Use raise boring machine 5 the most vertically driving, it is achieved the molding of fine ore collection vertical shaft country rock；
Step 2: supporting
The most vertically tunnel the internal supporting liner plate 1 of the country rock 3 interim protective measure as country rock 3 of molding, liner plate 1 by
Lower and upper segmentation is installed, and uses the mode of welding to be attached between adjacent liner plates 1；During supporting, liner plate 1 and country rock 3 it
Between leave and pour gap；
Step 3: pour
That reserves between liner plate 1 and country rock 3 pours casting concrete in gap, makes on concrete slurry solidification and liner plate 1
The inwall of weldering nail 2 and country rock 3 forms integrative-structure, it is achieved fixing liner plate 1, makes liner plate 1 as the permanent support of country rock 3
Measure；
Step 4: preservative treatment
Concreting carries out preservative treatment to liner plate 1 in terminating latter 3 days, uses the mode of mopping to realize at the anticorrosion of liner plate 1
Reason, it is to avoid liner plate 1 contacts corrosion with malaria in ultradeep well.
The operation principle of the present invention: country rock 3 uses raise boring machine speedy drivage to be formed, after country rock 3 driving terminates, edge immediately
Country rock 3 inwall fixes liner plate 1, quickly to form interim protective measure, and uses stud welding weldering nail on liner plate 1, liner plate 1 with
Reserved concreting gap between country rock 3；After liner plate 1 is completely fixed end, carry out concreting immediately, to form coagulation
The soil borehole wall carries out permanent support, makes liner plate 1, weldering nail 2 and concrete supporting 4 form an entirety, shape after concreting
Become the permanent support layer of country rock 3；Concreting carries out preservative treatment to liner plate 1 in terminating latter 3 days, it is to avoid liner plate 1 and ultra-deep
Malaria contact corrosion in well.
Finally illustrating, above example is only in order to illustrate technical scheme and unrestricted, although by upper
State preferred embodiment the present invention to be described in detail, it is to be understood by those skilled in the art that can be in form
Above and it is made various change, without departing from claims of the present invention limited range in details.
Claims (4)
1. a ultradeep well shaft bottom fine ore collection vertical shaft, it is characterised in that: described ultradeep well shaft bottom fine ore collection vertical shaft includes
Liner plate (1), weldering nail (2), country rock (3), concrete supporting (4), described country rock (3) be internally provided with liner plate (1), weldering nail
(2) be uniformly crisscross arranged on the outer wall of liner plate (1), leave between liner plate (1) and country rock (3) and pour gap, liner plate (1) with enclose
Gap between rock (3) has poured concrete supporting (4).
A kind of ultradeep well shaft bottom the most according to claim 1 fine ore collection vertical shaft, it is characterised in that: described weldering nail (2)
The mode welded is used to be attached with liner plate (1).
A kind of ultradeep well shaft bottom the most according to claim 1 fine ore collection vertical shaft, it is characterised in that: described country rock (3)
Being reserved with thickness is h2The deficient layer that digs of=0～50mm, length L of weldering nail (2) with the relation of the thickness D of concrete supporting (4) is
D=L+h1+h2, wherein, h1=30～50mm, for the concrete cover of code requirement.
4. the rapid construction method for protecting support of the ultradeep well shaft bottom fine ore collection vertical shaft that one claim of any of the above is recorded, it is special
Levy and be, comprise the following steps:
Step 1: drilling well
Use raise boring machine (5) the most vertically driving, it is achieved the molding of fine ore collection vertical shaft country rock；
Step 2: supporting
The most vertically tunnel the internal supporting liner plate (1) of country rock (3) the interim protective measure as country rock (3) of molding, lining
Plate (1) from bottom to top segmentation is installed, and uses the mode of welding to be attached between adjacent liner plates (1)；During supporting, liner plate
(1) and leave between country rock (3) and pour gap；
Step 3: pour
That reserves between liner plate (1) and country rock (3) pours casting concrete in gap, makes concrete slurry solidification and liner plate
(1) weldering nail (2) and the inwall of country rock (3) on form integrative-structure, it is achieved fix liner plate (1), make liner plate (1) conduct
The permanent support measure of country rock (3)；
Step 4: preservative treatment
Concreting carries out preservative treatment to liner plate (1) in terminating latter 3 days, uses the mode of mopping to realize the anti-of liner plate (1)
Rotten process, it is to avoid liner plate (1) contacts corrosion with malaria in ultradeep well.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610648505.8A CN106285690B (en) | 2016-08-10 | 2016-08-10 | A kind of ultradeep well shaft bottom fine ore collection vertical shaft and its rapid construction method for protecting support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610648505.8A CN106285690B (en) | 2016-08-10 | 2016-08-10 | A kind of ultradeep well shaft bottom fine ore collection vertical shaft and its rapid construction method for protecting support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106285690A true CN106285690A (en) | 2017-01-04 |
| CN106285690B CN106285690B (en) | 2018-07-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610648505.8A Active CN106285690B (en) | 2016-08-10 | 2016-08-10 | A kind of ultradeep well shaft bottom fine ore collection vertical shaft and its rapid construction method for protecting support |
Country Status (1)
| Country | Link |
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| CN (1) | CN106285690B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108756889A (en) * | 2018-06-08 | 2018-11-06 | 北京中煤矿山工程有限公司 | Anti- well drilling machine reaming construction broken formation gib technique |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101349064A (en) * | 2008-08-26 | 2009-01-21 | 中国水利水电第五工程局 | Construction method of hydroelectric power station surge chamber vertical shaft under soft rock geological condition |
| CN103696774A (en) * | 2013-12-06 | 2014-04-02 | 马钢(集团)控股有限公司 | Development method of blind shaft frame for surface and underground parallel construction |
| CN203783634U (en) * | 2014-03-14 | 2014-08-20 | 河北钢铁集团矿业有限公司 | Mineral powder recycling structure for underground mine |
| CN203948125U (en) * | 2014-07-24 | 2014-11-19 | 山东黄金矿业(莱州)有限公司焦家金矿 | Lower ventilating shaft fine ore retracting device |
| CN204041105U (en) * | 2014-08-13 | 2014-12-24 | 中国瑞林工程技术有限公司 | A kind of skip bucket main vertical shaft fine ore collection device |
-
2016
- 2016-08-10 CN CN201610648505.8A patent/CN106285690B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101349064A (en) * | 2008-08-26 | 2009-01-21 | 中国水利水电第五工程局 | Construction method of hydroelectric power station surge chamber vertical shaft under soft rock geological condition |
| CN103696774A (en) * | 2013-12-06 | 2014-04-02 | 马钢(集团)控股有限公司 | Development method of blind shaft frame for surface and underground parallel construction |
| CN203783634U (en) * | 2014-03-14 | 2014-08-20 | 河北钢铁集团矿业有限公司 | Mineral powder recycling structure for underground mine |
| CN203948125U (en) * | 2014-07-24 | 2014-11-19 | 山东黄金矿业(莱州)有限公司焦家金矿 | Lower ventilating shaft fine ore retracting device |
| CN204041105U (en) * | 2014-08-13 | 2014-12-24 | 中国瑞林工程技术有限公司 | A kind of skip bucket main vertical shaft fine ore collection device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108756889A (en) * | 2018-06-08 | 2018-11-06 | 北京中煤矿山工程有限公司 | Anti- well drilling machine reaming construction broken formation gib technique |
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| Publication number | Publication date |
|---|---|
| CN106285690B (en) | 2018-07-03 |
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