CN108150175A - Shaft of vertical well passes through the supporting construction of the old dead zone in coal seam - Google Patents

Shaft of vertical well passes through the supporting construction of the old dead zone in coal seam Download PDF

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Publication number
CN108150175A
CN108150175A CN201810006170.9A CN201810006170A CN108150175A CN 108150175 A CN108150175 A CN 108150175A CN 201810006170 A CN201810006170 A CN 201810006170A CN 108150175 A CN108150175 A CN 108150175A
Authority
CN
China
Prior art keywords
shaft
dead zone
coal seam
supporting construction
vertical well
Prior art date
Application number
CN201810006170.9A
Other languages
Chinese (zh)
Inventor
白向东
苑林龙
侯俊波
胡仕进
Original Assignee
晋城煤炭规划设计院
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 晋城煤炭规划设计院 filed Critical 晋城煤炭规划设计院
Priority to CN201810006170.9A priority Critical patent/CN108150175A/en
Publication of CN108150175A publication Critical patent/CN108150175A/en

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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D5/00Lining shafts; Linings therefor
    • E21D5/04Lining shafts; Linings therefor with brick, concrete, stone, or similar building materials

Abstract

The invention discloses the supporting construction that shaft of vertical well passes through the old dead zone in coal seam, belong to vertical supporting field;The technical problem to be solved is that being filled after providing a kind of Shaft Linings to shaft of vertical well, top plate and bottom plate are reinforced, prevent back and two from helping the supporting construction destroyed, be caving;Solve technical solution that the technical problem uses for:Shaft of vertical well passes through the supporting construction of the old dead zone in coal seam, and wall seat is increased newly in the excessively mined out section base slab stability rock stratum of vertical;It crosses empty well wall and wall seat and supporting is poured into a mould using armored concrete, work stone pier is set in goaf, the dead zone between work stone pier and the borehole wall carries out grouting filling to roof absciss layer area using slabstone slurry placement using high molecular bonding material;It the composite can be widely applied to vertical supporting field.

Description

Shaft of vertical well passes through the supporting construction of the old dead zone in coal seam

Technical field

Shaft of vertical well of the present invention passes through the supporting construction of the old dead zone in coal seam, belongs to vertical support technology field.

Background technology

Existing shaft of vertical well passes through the old dead zone in coal seam, generally using drain hole draining and excludes pernicious gas, wedge of driving piles Advance support is carried out, anchor net is studied and walling crib backboard carries out gib, pouring reinforcement concrete arch carries out permanent support, simultaneously Carry out grouting behind shaft or drift lining, prevent the borehole wall from water drenching occur, but the top plate in old dead zone tunnel is not reinforced, after Shaft Linings dead zone not into Row filling causes back and two to help the phenomenon that appearance is destroyed, is caving in construction more, has made shaft of vertical well and constructed Can not be according to normal supporting in engineering, supporting is not in place, be easy to cause safety accident.

Invention content

The invention overcomes the deficiencies of the prior art, and provides being filled after a kind of Shaft Linings to shaft of vertical well, Top plate and bottom plate are reinforced, prevent back and two from helping the supporting construction destroyed, be caving.

In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is:Shaft of vertical well passes through the old dead zone in coal seam Supporting construction, including wall seat, work stone pier, grouted anchor bar and concrete, wall seat is arranged on the stabilization rock stratum below seat earth On, work stone pier is arranged in coal seam goaf, and grouted anchor bar is disposed on roof absciss layer area, carries out bolt grouting, Shaft wall and wall seat are poured using concrete;

Work stone pier is 3m ~ 5m apart from shaft wall outer distance, and the goaf between work stone pier and shaft wall carries out Filling.

Reinforcing bar is provided in the shaft wall, the concrete Quan labels are not less than C30, the Concrete Thick It spends for 50mm.

Goaf filling between the work stone pier and shaft wall uses slabstone mortar.

Roof absciss layer area's slip casting uses high molecular bonding material.

Pre-buried drainpipe is provided between the shaft of vertical well wall seat and work stone pier.

The present invention has the advantages that compared with prior art.

The 1st, work stone pier is set in goaf, work stone pier and the borehole wall outer distance are 3 ~ 5m, while work stone pier with Borehole wall outer goaf is filled, and increases stability and safety of the tunnel in old dead zone.

2nd, grouted anchor bar is set in roof absciss layer area, to roof delamination area slip casting high molecular bonding material, increases The stability of top plate, prevents roof caving, convenient for construction, increases safety.

Description of the drawings

The present invention is described further below in conjunction with the accompanying drawings.

Fig. 1 is the structural diagram of the present invention.

Fig. 2 is the structure diagram of wall seat.

1 it is wall seat in figure, 2 be work stone pier, 3 be grouted anchor bar, 4 be concrete, 5 be roof delamination area, 6 is mined out Area, 7 be bottom plate, 8 be stablize rock stratum, 9 be pre-buried drainpipe, 10 be slabstone mortar, 11 be shaft wall.

Specific embodiment

As shown in Figure 1 and Figure 2, shaft of vertical well of the present invention passes through the supporting construction of the old dead zone in coal seam, including wall seat 1, work stone wall Pile 2, grouted anchor bar 3 and concrete 4, wall seat 1 are arranged on the stabilization rock stratum 8 of 7 lower section of seat earth, and work stone pier 2 is arranged on In coal seam goaf 6, grouted anchor bar 3 is disposed on 5th area of roof absciss layer, carries out bolt grouting, shaft wall 11 and wall Seat 1 is poured using concrete 4, and work stone pier 2 is 3m ~ 5m apart from shaft wall outer distance, to work stone pier 2 and vertical Goaf 6 between the borehole wall 11 is filled, and reinforcing bar is provided in shaft wall 11, and the 4 Quan labels of concrete are not low In C30,4 thickness of concrete is 50mm, and the filling of goaf 6 between work stone pier 2 and shaft wall 11 uses piece Stone sand slurry 10,5 slip casting of roof absciss layer area uses high molecular bonding material, shaft of vertical well wall seat 1 and work stone pier 2 it Between be provided with pre-buried drainpipe 9.

In the use of the present invention, being symmetrical arranged wall seat 1 in stabilization rock stratum 8 below seat earth 7, wall seat 1 uses steel Reinforced concrete pours, and disclosed broken, soft coal body rock mass is taken down, and carries out gib using anchor net, carries out It constructs in next step, the setting work stone pier 2 in the goaf 6, work stone pier 2 is 3m ~ 5m apart from 11 outer of shaft wall distance, wall The height and thickness of pile are adjusted according to field condition, and the dead zone between work stone pier 2 and shaft wall 11 uses slabstone Mortar 10 is filled, and the borehole wall is poured using armored concrete, and borehole wall surface uses gunite concrete strengthening supporting, together When reduce ventilation resistance, strength grade of concrete is not lower than C30, thickness 50mm, and anchor is carried out in roof absciss layer area 5 Bar slip casting injects high molecular bonding material, the rock in roof delamination area 5 is bonded, and prevents destruction and slump, influences construction peace Entirely, the safety of shaft of vertical well is increased.

The embodiment of the present invention is explained in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned implementations Example, within the knowledge of a person skilled in the art, can also make under the premise of present inventive concept is not departed from Go out various change.

Claims (5)

1. shaft of vertical well passes through the supporting construction of the old dead zone in coal seam, it is characterised in that:Including wall seat(1), work stone pier(2), note Starch anchor pole(3)And concrete(4), wall seat(1)It is arranged on seat earth(7)The stabilization rock stratum of lower section(8)On, work stone pier(2) It is arranged on coal seam goaf(6)It is interior, grouted anchor bar(3)It is disposed on roof absciss layer(5)Area carries out bolt grouting, stands The well borehole wall(11)With wall seat(1)Use concrete(4)It is poured;
Work stone pier(2)Apart from shaft wall outer, distance is 3m ~ 5m, to work stone pier(2)With shaft wall(11)Between Goaf(6)It is filled.
2. shaft of vertical well according to claim 1 passes through the supporting construction of the old dead zone in coal seam, it is characterised in that:Described is vertical The well borehole wall(11)Inside it is provided with reinforcing bar, the concrete(4)Quan labels are not less than C30, the concrete(4)Thickness is 50mm。
3. shaft of vertical well according to claim 1 passes through the supporting construction of the old dead zone in coal seam, it is characterised in that:The material Stone walling pile(2)With shaft wall(11)Between goaf(6)Filling uses slabstone mortar(10).
4. shaft of vertical well according to claim 1 passes through the supporting construction of the old dead zone in coal seam, it is characterised in that:The coal Floor roof delamination area(5)Slip casting uses high molecular bonding material.
5. shaft of vertical well according to claim 1 passes through the supporting construction of the old dead zone in coal seam, it is characterised in that:Described is vertical Well shaft wall seat(1)With work stone pier(2)Between be provided with pre-buried drainpipe(9).
CN201810006170.9A 2018-01-04 2018-01-04 Shaft of vertical well passes through the supporting construction of the old dead zone in coal seam CN108150175A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810006170.9A CN108150175A (en) 2018-01-04 2018-01-04 Shaft of vertical well passes through the supporting construction of the old dead zone in coal seam

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810006170.9A CN108150175A (en) 2018-01-04 2018-01-04 Shaft of vertical well passes through the supporting construction of the old dead zone in coal seam

Publications (1)

Publication Number Publication Date
CN108150175A true CN108150175A (en) 2018-06-12

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CN201810006170.9A CN108150175A (en) 2018-01-04 2018-01-04 Shaft of vertical well passes through the supporting construction of the old dead zone in coal seam

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109184752A (en) * 2018-09-29 2019-01-11 陕西陕煤黄陵矿业有限公司 A kind of coal mine supporting construction and its method for protecting support for passing through old kiln goaf
CN110424968A (en) * 2019-07-04 2019-11-08 北京科技大学 A kind of pit shaft reinforcement means based on anchor note anti-corrosion measure

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102071940A (en) * 2010-12-31 2011-05-25 大同煤矿集团有限责任公司 Construction method for mine shaft through multilayer goaf
CN103835723A (en) * 2013-11-11 2014-06-04 北京中煤矿山工程有限公司 Comprehensive pretreatment method for shaft penetration in mined-out area stratum
CN104389634A (en) * 2014-09-16 2015-03-04 中国矿业大学 Mine vertical shaft/sieve shaft well wall structure and controllable dewatering method thereof
CN104612695A (en) * 2015-01-29 2015-05-13 湖南科技大学 Repairing and reinforcing method for vertical shaft wall collapsed fiercely
CN106246188A (en) * 2016-10-18 2016-12-21 中国矿业大学 The system and method that the preventing and treating coal mine shaft lining shaft deformation of stratum settlement compatibility of deformation is destroyed

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102071940A (en) * 2010-12-31 2011-05-25 大同煤矿集团有限责任公司 Construction method for mine shaft through multilayer goaf
CN103835723A (en) * 2013-11-11 2014-06-04 北京中煤矿山工程有限公司 Comprehensive pretreatment method for shaft penetration in mined-out area stratum
CN104389634A (en) * 2014-09-16 2015-03-04 中国矿业大学 Mine vertical shaft/sieve shaft well wall structure and controllable dewatering method thereof
CN104612695A (en) * 2015-01-29 2015-05-13 湖南科技大学 Repairing and reinforcing method for vertical shaft wall collapsed fiercely
CN106246188A (en) * 2016-10-18 2016-12-21 中国矿业大学 The system and method that the preventing and treating coal mine shaft lining shaft deformation of stratum settlement compatibility of deformation is destroyed

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
崔永红: "立井井筒过含水老空巷综合支护及堵水技术", 《煤炭工程》 *
白玉龙: ""回风立井过空巷支护技术研究", 《山西焦煤科技》 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109184752A (en) * 2018-09-29 2019-01-11 陕西陕煤黄陵矿业有限公司 A kind of coal mine supporting construction and its method for protecting support for passing through old kiln goaf
CN110424968A (en) * 2019-07-04 2019-11-08 北京科技大学 A kind of pit shaft reinforcement means based on anchor note anti-corrosion measure
CN110424968B (en) * 2019-07-04 2020-07-17 北京科技大学 Shaft reinforcing method based on anchoring and grouting anti-corrosion measures

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Application publication date: 20180612