CN102635359A - Energy-saving rapid construction method for ventilating shafts of tunnels - Google Patents
Energy-saving rapid construction method for ventilating shafts of tunnels Download PDFInfo
- Publication number
- CN102635359A CN102635359A CN2012101068197A CN201210106819A CN102635359A CN 102635359 A CN102635359 A CN 102635359A CN 2012101068197 A CN2012101068197 A CN 2012101068197A CN 201210106819 A CN201210106819 A CN 201210106819A CN 102635359 A CN102635359 A CN 102635359A
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- construction
- shaft
- wall seat
- wall
- vertical shaft
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- 238000010276 construction Methods 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 claims abstract description 26
- 238000009412 basement excavation Methods 0.000 claims abstract description 7
- 238000005728 strengthening Methods 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 239000004567 concrete Substances 0.000 claims description 13
- 238000009423 ventilation Methods 0.000 claims description 13
- 238000004134 energy conservation Methods 0.000 claims description 9
- 238000012423 maintenance Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 8
- 238000004880 explosion Methods 0.000 claims description 6
- 210000003205 muscle Anatomy 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 238000005422 blasting Methods 0.000 abstract description 2
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 238000005553 drilling Methods 0.000 abstract 1
- 238000005265 energy consumption Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000003449 preventive effect Effects 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000011378 shotcrete Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000004162 soil erosion Methods 0.000 description 1
Landscapes
- Lining And Supports For Tunnels (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention specifically relates to an energy-saving rapid construction method for ventilating shafts of tunnels, which solves the problem that shortcomings exist in the construction on the existing ventilating shafts of tunnels by using a downward driving method. The method comprises the following steps of: a, measuring the position of a positioned shaft; b, carrying out strengthening construction on the geologic status of a shaft mouth, meanwhile, excavating a vertical ballast-discharge hole downwards from the shaft mouth, and carrying out excavation from the front hole of a tunnel to the position of the shaft until the excavating position meets the vertical ballast-discharge hole; c, carrying out shaft excavation by using a drilling and blasting combined method; d, when the shaft is excavated to a certain depth, carrying out secondary lining construction on the upper part of the shaft, wherein the secondary lining construction and the shaft construction are performed synchronously; and e, installing a shaft ventilating device. According to the invention, through adopting a mode of carrying out equidirectional and synchronous operation flow on the shaft excavation construction and the shaft secondary-lining construction, the method has the significant advantages of small safety risk, high construction speed, high working efficiency, energy saving, consumption reduction, easiness in construction drainage in shafts, low comprehensive construction cost, and capabilities of reducing the equipment investment, saving the occupied land and the cost of ecological restoration engineering, and obviously improving the construction work environment.
Description
Technical field
The present invention relates to the construction technology of tunnel ventilation vertical shaft, be specially the energy-conservation rapid constructing method of a kind of tunnel ventilation vertical shaft.
Background technology
Speedway, railway are grown up, and air quality descends obviously in hole operation stage, tunnel, and airshaft is adopted in design, and (diameter is generally changed air in the holes 6～10m), reaches the purpose of improving air quality.
At present, engineering circle adopts positive its sequence of construction of well method to be: bore quick-fried driving, borehole wall temporary lining from top to bottom; Treat that driving to positive hole, carries out the borehole wall and median septum reinforced concrete lining layer from bottom to top again.
At present; The driving method that adopts is mostly: boring pops digs, temporary lining, vertical lifting muck removal, abandon quarrel, setting prevent erosion preventive works, spoil disposal area restore nature greening vegetation engineering nearby, and this method is applicable to that the major diameter tunnel of various geology and other underground construction construct with vertical shaft.
Adopt positive well method construction to have following drawback:
1, bore quick-fried weak effect, driving speed is slow, every cyclic advance is only about 1.0m;
2, all abandon quarrel all needs to be promoted to well head by the shaft bottom, and energy consumption is big, the muck removal time is long;
3, promote muck removal and very easily fall piece, the down-hole constructor is caused the danger side of body;
4, each inter process disturb big, continuous productive process synchronously, long construction period;
5, the flue dust diffusion is slow after the vertical shaft explosion, causes the long-time pause of construction;
6, in the vertical shaft in case meets underground water, the expense of drawing water height, have softening country rock to cause the security risk of caving in;
7, need spoil disposal area be set separately, the afforestation project of soil erosion preventive works and restore vegetation is set, natural environment is had certain influence;
8, the integrated construction cost is high, energy consumption is high, potential safety hazard is many.
Summary of the invention
The present invention adopts positive well method construction to have the problem of above-mentioned weak point in order to solve the existing tunnel airshaft, provides a kind of tunnel ventilation vertical shaft energy-conservation rapid constructing method.
The present invention adopts following technical scheme to realize: the energy-conservation rapid constructing method of tunnel ventilation vertical shaft, and step is following: a, measurement and positioning vertical shaft position; B, pit mouth geology is carried out strengthening construction, meanwhile, from the pit mouth vertical deslagging of excavation hole downwards, and from the tunnel positive hole to vertical shaft position driving to communicating with vertical deslagging hole; C, the method that adopts boring to combine with explosion are carried out shaft sinking; D, after shaft sinking reaches certain depth, two lining constructions are carried out on vertical shaft top, and two lining constructions are carried out with the vertical shaft construction synchronously; E, installation vertical shaft ventilation equipment.
In the work progress, pit mouth geology is reinforced (fore shaft) guarantee that well head is firm, be convenient to installation, the debugging of ground derrick and crane gear,, improved efficiency of construction with the construction synchronization job of vertical deslagging hole; The method that adopts boring to combine with explosion is carried out the vertical shaft construction and has been accelerated construction speed, and the muck removal from vertical deslagging hole is energy-conservation and do not influence vertical shaft top two linings and construct, and has overcome the existing tunnel airshaft and has adopted positive well method to construct to have the problem of above-mentioned weak point.
The concrete steps that two lining constructions are carried out on vertical shaft top are following: a, carry out the cleaning of wall seat through the construction hanging scaffold and reinforce; B, also fixed at the latter half mounting shaft font steel I-beam of wall seat; C, on the groined type steel I-beam of wall seat, bed die is installed, and colligation wall seat the first half and the wall seat top borehole wall two lined steel muscle and median septum reinforcing bar; D, the assembly wall seat top borehole wall and median septum side form, and firm supporting; E, cast wall seat the first half and the borehole wall two lining and median septum concrete and the maintenances of wall seat top; F, remove the groined type steel I-beam and be installed in the latter half of next wall seat and fixed; G, on the groined type steel I-beam of the wall seat of next wall seat, bed die is installed, and the next wall seat of colligation the first half, the wall seat top borehole wall and wall seat the latter half two lined steel muscle and median septum reinforcing bar; H, the next wall seat top borehole wall of installation and median septum side form, and firm supporting; I, the next wall seat the first half of cast, the next wall seat top borehole wall and two lining and median septum concrete and the maintenances of wall seat the latter half; J, the horizontal joint of wall seat the first half, the latter half is prevented that water seal handles the circulation construction.
This two linings job practices stable operation performance is high, and carries out synchronously with the vertical shaft construction, and efficiency of construction significantly promotes when guaranteeing security performance, and energy-saving effect is obvious simultaneously, has simplified working procedure.
Beneficial effect of the present invention is following:
1, adopt rig commonly used such as Churn drill to implement boring, form vertical deslagging hole, quicker, economical than raise boring machine;
2, utilize vertical deslagging hole, solved the deslagging problem, change original vertical lifting muck removal in the positive hole horizontal muck removal, save a large amount of daily energy consumptions and large-scale lifting means and purchase maintenance cost, and improve positive hole, tunnel muck removal utilization rate of equipment and installations;
3, the maintenance cost of purchasing of daily vertical drainage energy consumption and pumping equipment is saved with the vertical drainage function in vertical deslagging hole;
4, thoroughly eliminate the lifting muck removal and fallen potential safety hazards such as piece is hurted sb.'s feelings, ponding immersion country rock borehole well instability;
5, downward muck removal fast shortens the muck removal time, can increase the driving cycle-index, improves efficiency of construction;
6, realize borehole wall concrete lining follow-up, shorten Sidewall Surrounding Rock open-assembly time, can suitably reduce the temporary lining grade, save the temporary lining expense, shorten total time of construction;
7, the vertical deslagging of preboring hole is that the follow-up chambering of vertical shaft provides free face, has improved demolition effect, reduces perforating explosion energy consumption, saves explosive consumption, has alleviated the blasting fume pollution;
8, vertical deslagging hole and positive hole, tunnel connect in advance, for vertical shaft and the smoke evacuation of positive hole provide condition, have improved vertical shaft and positive hole construction environment, have reduced vertical shaft and positive hole construction ventilation cost;
9, needn't spoil disposal area be set specially and the quarrel sidewalk is abandoned in build for vertical shaft, practice thrift in a large number and take up an area of; Save spoil disposal area preventive works and ecological recovery engineering cost;
The present invention tunnels former positive well method and the reverse form of construction work of lining cutting substep changes the shaft sinking construction into and vertical shaft two linings are constructed in the same way, synchronous flow system; Have that security risk is little, speed of application is fast, work efficiency is high, energy-saving and cost-reducing, minimizing equipment input, save spoil disposal area and abandon that the quarrel sidewalk takes up an area of and remarkable advantage such as ecological recovery engineering cost, construction operation environment are obviously improved, construction drainage easily in the vertical shaft, the construction integrated cost is low; Be applicable to that degree of depth 150m is with interior highway tunnel ventilation vertical shaft, railway tunnel airshaft, the construction of water conservancy project diversion tunnel; Also can be applicable to similar the latter half 150m scope construction than deep shaft, two lining technology also can be applicable to the field of the energy-conservation vertical shaft of building air conditioning simultaneously.
The specific embodiment
The energy-conservation rapid constructing method of tunnel ventilation vertical shaft, step is following: a, measurement and positioning vertical shaft position; B, pit mouth geology is carried out strengthening construction, meanwhile, from the pit mouth vertical deslagging of excavation hole downwards, and from the tunnel positive hole to vertical shaft position driving to communicating with vertical deslagging hole; C, the method that adopts boring to combine with explosion are carried out shaft sinking; D, when shaft sinking behind certain depth, two lining constructions are carried out on vertical shaft top, and two lining constructions are carried out with the vertical shaft construction synchronously; E, installation vertical shaft ventilation equipment.
The concrete steps that two lining constructions are carried out on vertical shaft top are following: a, carry out the cleaning of wall seat through the construction hanging scaffold and reinforce; B, also fixed at the latter half mounting shaft font steel I-beam of wall seat; C, on the groined type steel I-beam of wall seat, bed die is installed, and colligation wall seat the first half and the wall seat top borehole wall two lined steel muscle and median septum reinforcing bar; D, the assembly wall seat top borehole wall and median septum side form, and firm supporting; E, cast wall seat the first half and the borehole wall two lining and median septum concrete and the maintenances of wall seat top; F, remove the groined type steel I-beam and be installed in the latter half of next wall seat and fixed; G, on the groined type steel I-beam of the wall seat of next wall seat, bed die is installed, and the next wall seat of colligation the first half, the wall seat top borehole wall and wall seat the latter half two lined steel muscle and median septum reinforcing bar; H, the next wall seat top borehole wall of installation and median septum side form, and firm supporting; I, the next wall seat the first half of cast, the next wall seat top borehole wall and two lining and median septum concrete and the maintenances of wall seat the latter half; J, the horizontal joint of wall seat the first half, the latter half is prevented that water seal handles the circulation construction.
In the practical implementation process; Pit mouth geology is reinforced (fore shaft) construction, after loosening the soil in the face of land that needs the artificial cooperative mechanical of elder generation to excavate certain depth (5-8m), to carrying out reinforced concrete construction around the pit mouth; After concrete reaches certain intensity, the peripheral backfill of pit mouth is closely knit with soil; In the vertical shaft construction, through boring, powder charge, detonate, muck removal, the clear end, wall seat excavation, borehole wall combined bolting and shotcrete step circulate driving downwards.
In that the concrete lining support system is installed, carry out operations such as assembling reinforcement, rigging, fluid concrete, form removal maintenance, joint treatment on the wall seat of driving face certain distance.
Claims (2)
1. energy-conservation rapid constructing method of tunnel ventilation vertical shaft, it is characterized in that: step is following: a, measurement and positioning vertical shaft position; B, pit mouth geology is carried out strengthening construction, meanwhile, from the pit mouth vertical deslagging of excavation hole downwards, and from the tunnel positive hole to vertical shaft position driving to communicating with vertical deslagging hole; C, the method that adopts boring to combine with explosion are carried out shaft sinking; D, when shaft sinking behind certain depth, two lining constructions are carried out on vertical shaft top, and two lining constructions are carried out with the vertical shaft construction synchronously; E, installation vertical shaft ventilation equipment.
2. the energy-conservation rapid constructing method of tunnel ventilation vertical shaft according to claim 1 is characterized in that: the concrete steps that two lining constructions are carried out on vertical shaft top are following: a, carry out the cleaning of wall seat through the construction hanging scaffold and reinforce; B, also fixed at the latter half mounting shaft font steel I-beam of wall seat; C, on the groined type steel I-beam of wall seat, bed die is installed, and colligation wall seat the first half and the wall seat top borehole wall two lined steel muscle and median septum reinforcing bar; D, the assembly wall seat top borehole wall and median septum side form, and firm supporting; E, cast wall seat the first half and the borehole wall two lining and median septum concrete and the maintenances of wall seat top; F, remove the groined type steel I-beam and be installed in the latter half of next wall seat and fixed; G, on the groined type steel I-beam of the wall seat of next wall seat, bed die is installed, and the next wall seat of colligation the first half, the wall seat top borehole wall and wall seat the latter half two lined steel muscle and median septum reinforcing bar; H, the next wall seat top borehole wall of installation and median septum side form, and firm supporting; I, the next wall seat the first half of cast, the next wall seat top borehole wall and two lining and median septum concrete and the maintenances of wall seat the latter half; J, the horizontal joint of wall seat the first half, the latter half is prevented that water seal handles the circulation construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210106819.7A CN102635359B (en) | 2012-04-13 | 2012-04-13 | Energy-saving rapid construction method for ventilating shafts of tunnels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210106819.7A CN102635359B (en) | 2012-04-13 | 2012-04-13 | Energy-saving rapid construction method for ventilating shafts of tunnels |
Publications (2)
| Publication Number | Publication Date |
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| CN102635359A true CN102635359A (en) | 2012-08-15 |
| CN102635359B CN102635359B (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210106819.7A Expired - Fee Related CN102635359B (en) | 2012-04-13 | 2012-04-13 | Energy-saving rapid construction method for ventilating shafts of tunnels |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102900367A (en) * | 2012-11-01 | 2013-01-30 | 陕西彬长文家坡矿业有限公司 | Methods for drilling in cylinder of semi-finished vertical shaft and discharging water from cylinder of gangue-removal vertical shaft |
| CN104806249A (en) * | 2015-04-03 | 2015-07-29 | 核工业井巷建设公司 | Guiding and tunneling construction method of short silo |
| CN104989409A (en) * | 2015-06-17 | 2015-10-21 | 中铁十六局集团第五工程有限公司 | Full-face excavation method after vertical shaft small-face pore forming |
| CN109826654A (en) * | 2019-03-12 | 2019-05-31 | 四川省交通运输厅公路规划勘察设计研究院 | Tunnel ventilation well supporting construction and its construction method |
| CN112943257A (en) * | 2021-01-25 | 2021-06-11 | 中铁十四局集团建筑工程有限公司 | Method for treating reverse borehole collapse of deep large vertical shaft |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3528278A1 (en) * | 1985-08-07 | 1987-02-19 | Gesteins & Tiefbau Gmbh | Drilling apparatus for shafts |
| JPH02304196A (en) * | 1989-05-16 | 1990-12-17 | Maeda Corp | Shaft excavation construction method |
| CN101082217A (en) * | 2006-06-02 | 2007-12-05 | 韩国石油公社 | Excavation method of vertical hole |
| CN101906972A (en) * | 2010-07-23 | 2010-12-08 | 中铁十七局集团第四工程有限公司 | Method for synchronously constructing second shaft wall lining and intermediate baffle of vertical shaft |
| CN102305075A (en) * | 2011-06-28 | 2012-01-04 | 中国水利水电第五工程局有限公司 | Vertical shaft construction method under unfavorable geological condition |
-
2012
- 2012-04-13 CN CN201210106819.7A patent/CN102635359B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3528278A1 (en) * | 1985-08-07 | 1987-02-19 | Gesteins & Tiefbau Gmbh | Drilling apparatus for shafts |
| JPH02304196A (en) * | 1989-05-16 | 1990-12-17 | Maeda Corp | Shaft excavation construction method |
| CN101082217A (en) * | 2006-06-02 | 2007-12-05 | 韩国石油公社 | Excavation method of vertical hole |
| CN101906972A (en) * | 2010-07-23 | 2010-12-08 | 中铁十七局集团第四工程有限公司 | Method for synchronously constructing second shaft wall lining and intermediate baffle of vertical shaft |
| CN102305075A (en) * | 2011-06-28 | 2012-01-04 | 中国水利水电第五工程局有限公司 | Vertical shaft construction method under unfavorable geological condition |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102900367A (en) * | 2012-11-01 | 2013-01-30 | 陕西彬长文家坡矿业有限公司 | Methods for drilling in cylinder of semi-finished vertical shaft and discharging water from cylinder of gangue-removal vertical shaft |
| CN104806249A (en) * | 2015-04-03 | 2015-07-29 | 核工业井巷建设公司 | Guiding and tunneling construction method of short silo |
| CN104806249B (en) * | 2015-04-03 | 2016-05-04 | 核工业井巷建设公司 | A kind of short vertical shaft pilot shaft tunneling construction method |
| CN104989409A (en) * | 2015-06-17 | 2015-10-21 | 中铁十六局集团第五工程有限公司 | Full-face excavation method after vertical shaft small-face pore forming |
| CN109826654A (en) * | 2019-03-12 | 2019-05-31 | 四川省交通运输厅公路规划勘察设计研究院 | Tunnel ventilation well supporting construction and its construction method |
| CN112943257A (en) * | 2021-01-25 | 2021-06-11 | 中铁十四局集团建筑工程有限公司 | Method for treating reverse borehole collapse of deep large vertical shaft |
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| Publication number | Publication date |
|---|---|
| CN102635359B (en) | 2014-04-09 |
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