CN109958443A - The vertical shaft arranged side by side and its construction method secretly made in a kind of piping lane tunnel - Google Patents
The vertical shaft arranged side by side and its construction method secretly made in a kind of piping lane tunnel Download PDFInfo
- Publication number
- CN109958443A CN109958443A CN201910359901.2A CN201910359901A CN109958443A CN 109958443 A CN109958443 A CN 109958443A CN 201910359901 A CN201910359901 A CN 201910359901A CN 109958443 A CN109958443 A CN 109958443A
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- Prior art keywords
- vertical shaft
- tunnel
- piping lane
- pilot
- shaft
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- 238000010276 construction Methods 0.000 title claims abstract description 47
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 27
- 239000010959 steel Substances 0.000 claims abstract description 27
- 238000009412 basement excavation Methods 0.000 claims abstract description 21
- 239000011378 shotcrete Substances 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 239000004567 concrete Substances 0.000 claims description 3
- 239000011150 reinforced concrete Substances 0.000 claims description 3
- 238000007569 slipcasting Methods 0.000 claims description 3
- 238000005728 strengthening Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D1/00—Sinking shafts
- E21D1/08—Sinking shafts while moving the lining downwards
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D1/00—Sinking shafts
- E21D1/10—Preparation of the ground
- E21D1/16—Preparation of the ground by petrification
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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 DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D5/00—Lining shafts; Linings therefor
- E21D5/06—Lining shafts; Linings therefor with iron or steel
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D5/00—Lining shafts; Linings therefor
- E21D5/11—Lining shafts; Linings therefor with combinations of different materials, e.g. wood, metal, concrete
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D8/00—Shafts not provided for in groups E21D1/00 - E21D7/00
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The invention discloses the vertical shaft arranged side by side secretly made in a kind of piping lane tunnel and its construction methods, the vertical shaft arranged side by side secretly made in the piping lane tunnel includes multiple vertical shafts being set side by side, vertical shaft is down-set perpendicular to branch line piping lane tunnel axis from tunnel floor in the biggish water tank tunnel of main line Pipe rack space, including strengthened ring beam, shotcrete supporting steel grating structure and vertical shaft lateral type steel support structure, strengthened ring beam is embedded in advance on the main line piping lane tunnel floor in pit mouth portion.The invention has the following advantages that the vertical shaft for lower layer's branch line piping lane constructing tunnel is secretly made completely, do not need in addition to provide construction site, surrounding enviroment be influenced smaller；Shaft structure is arranged side by side, and the position of shaft excavation is also a part of lower layer's branch line piping lane tunnel structure；Since vertical shaft is located in main line piping lane tunnel, using piping lane tunnel as construction transverse passage-way, and if vertical shaft is individually arranged, need to be arranged construction transverse passage-way connection vertical shaft and branch line piping lane excavated surface.
Description
Technical field
The present invention relates to hypogee technical field of construction, in particular to the vertical shaft arranged side by side secretly made in a kind of piping lane tunnel and
Its construction method.
Background technique
Currently, pipe gallery main line tunnel two sides generally require access branch line piping lane tunnel, it is therefore desirable to reserved branch spool
Corridor interface.And branch line piping lane tunnel interface section generally all takes the form perpendicular to main line tunnel arrangement, when branch line piping lane tunnel
When being arranged vertically below main line piping lane tunnel, need to provide vertical shaft for branch line piping lane constructing tunnel.It is multiple in surrounding enviroment condition
In the case where miscellaneous, the position of branch line piping lane constructing tunnel vertical shaft cannot be often provided.
For this purpose, the invention patent proposes: in the main line piping lane water tank tunnel that excavation supporting and two lining constructions are completed, hanging down
Block form vertical shaft directly is set in branch line pipe gallery tunnel axis.And it is opened on the side wall of vertical shaft two sides according to branch line piping lane tunnel
Dig contour line, pre-buried strengthened ring beam, after carrying out strengthening supporting to well head, using secretly making block form vertical shaft as branch line piping lane tunnel
Construction shaft.
Summary of the invention
Technical problem to be solved by the invention is to provide the vertical shafts and its construction party arranged side by side secretly made in a kind of piping lane tunnel
Method secretly makees block form vertical shaft, as lower layer's branch twine helad using the upper layer main line piping lane tunnel that excavation supporting is completed in it
Close the construction shaft in piping lane tunnel.
The technical problem to be solved by the present invention is to what is be achieved through the following technical solutions:
The vertical shaft arranged side by side secretly made in a kind of piping lane tunnel, including multiple vertical shafts being set side by side, the vertical shaft is in main line pipe
It is down-set perpendicular to branch line piping lane tunnel axis from tunnel floor in the biggish water tank tunnel of corridor span, including strengthened ring beam,
Shotcrete supporting steel grating structure and vertical shaft lateral type steel support structure, the strengthened ring beam are embedded in the main line pipe in pit mouth portion in advance
On corridor tunnel floor.
Preferably, in above-mentioned technical proposal, the shotcrete supporting steel grating structure setting is used between adjacent vertical shaft
Supporting.
Preferably, in above-mentioned technical proposal, the vertical shaft lateral type steel support structure is set to each individual vertical shaft
It is interior.
Preferably, in above-mentioned technical proposal, the vertical shaft includes the first vertical shaft, third vertical shaft and is set to therebetween
The second vertical shaft, shotcrete supporting steel grating structure at left and right sides of second vertical shaft respectively with first vertical shaft, described
Three vertical shafts share.
Preferably, in above-mentioned technical proposal, the vertical shaft lateral type steel support structure is I22 α type steel support.
Preferably, in above-mentioned technical proposal, the width of the strengthened ring beam is 1300mm.
A kind of construction method for the vertical shaft arranged side by side secretly made in piping lane tunnel, comprising the following steps:
(1) three vertical shaft contour lines are marked in main line piping lane water tank tunnel floor, shaft structure is arranged side by side, intermediate vertical shaft and two
Side vertical shaft shares shotcrete supporting steel grating structure in adjacent wall；
(2) when applying main line piping lane water tank tunnel double-lining, in tunnel floor position along the pre-buried strengthened ring beam of shaft perimeter, add
Strong ring beam and the supervisor corridor tunnel double-lining bottom plate on periphery connect；
(3) excavation for first completing the first vertical shaft, third vertical shaft abolishes the supervisor corridor tunnel floor initial stage in two vertical shaft ring beams
Supporting construction, the first Pin grid of construction shaft, and connect with main line piping lane water tank tunnel floor preliminary bracing, then adopt downwards
Make shotcrete method for constructing construction shaft structure with using inverse；Slip casting ductule, which is set, in shaft wall during shaft excavation reinforces ground
Layer, and fashioned iron is set up to support.
(4) after above-mentioned two shaft excavation on earth, ingate is opened in vertical shaft two sidewalls, construction enters branch line piping lane in order
Tunnel applies branch line piping lane tunnel excavation support and two lining structures；
(5) after two lining structure concrete of 1-8 pilot tunnel reaches design strength, the second vertical shaft is excavated downwards.Using spray anchor
Contrary sequence method excavates downwards the second vertical shaft；
(6) after the second vertical shaft back cover, ingate is opened in vertical shaft two sidewalls, enters the branch line piping lane tunnel of two sides in order
Road carries out excavation supporting to branch line piping lane tunnel；
(7) after the 9-16 pilot tunnel of the second vertical shaft two sides all perforation, applying for two lining structures is carried out.
Preferably, in above-mentioned technical proposal, strengthened ring beam is reinforced concrete structure, the width 1300mm of ring beam section,
Height is identical as two liner thickness degree of tunnel floor, is 350mm.
Preferably, in above-mentioned technical proposal, in the step (3), shaft wall grid Pin is away from 500-750mm.
Preferably, in above-mentioned technical proposal, the step of the construction in order of the step (4) are as follows:
41) ingate is opened from the first vertical shaft, third vertical shaft to side, excavates 1,2 pilot tunnels, be staggered 4-6m up and down；1, it leads for No. 2
After the perforation of hole, 3, No. 4 pilot tunnels are excavated, be staggered 4-6m up and down；
42) after the perforation of 1-4 pilot tunnel, ingate is opened from the first vertical shaft, third vertical shaft to the other side, 5, No. 6 pilot tunnels are wrong up and down
Open 4-6m；After No. 7 pilot tunnels lag No. 5 pilot tunnel 10m, 7, No. 8 pilot tunnels are excavated, be staggered 4-6m up and down；
43) after 1-8 pilot tunnel all perforation, two lining structure of 1-8 pilot tunnel of constructing.
Preferably, in above-mentioned technical proposal, the supporting construction in the step (5) at left and right sides of the second vertical shaft is respectively at
One vertical shaft, third vertical shaft share.
Preferably, in above-mentioned technical proposal, the step of the construction in order of the step (6) are as follows:
61) ingate is opened from the second vertical shaft to side, excavates 9,10 pilot tunnels, be staggered 4-6m up and down；9, No. 10 pilot tunnel perforations
Afterwards, 11, No. 12 pilot tunnels are excavated, be staggered 4-6m up and down；
62) after the perforation of 9-12 pilot tunnel, ingate is opened from the second vertical shaft to the other side, be staggered 4-6m above and below 13, No. 14 pilot tunnels；
After No. 15 pilot tunnels lag No. 13 pilot tunnel 10m, 15, No. 16 pilot tunnels are excavated, be staggered 4-6m up and down；
63) after 9-16 pilot tunnel all perforation, two lining structure of 9-16 pilot tunnel of constructing.
Above-mentioned technical proposal of the present invention, has the following beneficial effects:
(1) secretly make completely for the vertical shaft of lower layer's branch line piping lane constructing tunnel, do not need in addition to provide construction site, to week
Surrounding environment influences smaller；
(2) shaft structure is arranged side by side, and the position of shaft excavation is also a part of lower layer's branch line piping lane tunnel structure.That is:
Vertical shaft is both the construction channel in branch line piping lane tunnel and some of piping lane tunnel structure, reduces cost；
(3) since vertical shaft is located in main line piping lane tunnel, using piping lane tunnel as construction transverse passage-way, and if vertical shaft
Individually arrangement then needs to be arranged construction transverse passage-way connection vertical shaft and branch line piping lane excavated surface.
Detailed description of the invention
Fig. 1 is the plan view for the vertical shaft arranged side by side secretly made in piping lane tunnel of the invention.
Fig. 2 is the vertical shaft lateral type steel support structure schematic diagram for the vertical shaft arranged side by side secretly made in piping lane tunnel of the invention.
Fig. 3 is the skiagraph for the vertical shaft arranged side by side secretly made in piping lane tunnel of the invention.
Fig. 4 is the sequence of excavation schematic diagram secretly made in piping lane tunnel of the invention.
Wherein: 1- strengthened ring beam, 2- shotcrete supporting steel grating structure, 3- vertical shaft lateral type steel support structure, 4- main line pipe
Corridor tunnel, the first vertical shaft of 5-, the second vertical shaft of 6-, 7- third vertical shaft.
Specific embodiment
Specific embodiments of the present invention will be described in detail below, in order to further understand the present invention.
A kind of vertical shaft arranged side by side secretly made in piping lane tunnel, including multiple vertical shafts being set side by side, vertical shaft main line piping lane across
It spends in biggish water tank tunnel, it is down-set perpendicular to branch line piping lane tunnel axis from tunnel floor, including strengthened ring beam 1, anchor
Spray supporting steel grating structure 2 and vertical shaft lateral type steel support structure 3, strengthened ring beam 1 are embedded in the main line piping lane in pit mouth portion in advance
On 4 bottom plate of tunnel.
Shotcrete supporting steel grating structure 2 is set between adjacent vertical shaft, is used for supporting.Vertical shaft lateral type steel support structure
3 are set in each individual vertical shaft.
The vertical shaft of the application includes the first vertical shaft 5, the second vertical shaft 6 and third vertical shaft 7, the second vertical shaft left and right sides
Shotcrete supporting steel grating structure respectively with first vertical shaft, the third vertical shaft share.Certainly, the present invention not as
Limit.
Preferably, vertical shaft lateral type steel support structure is I22 α type steel support.Preferably, the width of the strengthened ring beam is
1300mm。
A kind of construction method for the vertical shaft arranged side by side secretly made in piping lane tunnel, comprising the following steps:
(1) three vertical shaft contour lines are marked in main line piping lane water tank tunnel floor, shaft structure is arranged side by side, intermediate vertical shaft and two
Side vertical shaft shares shotcrete supporting steel grating structure (Fig. 1, Fig. 2) in adjacent wall；
(2) when applying main line piping lane water tank tunnel double-lining, in tunnel floor position along the pre-buried strengthened ring beam of shaft perimeter, add
Strong ring beam and the supervisor corridor tunnel double-lining bottom plate on periphery connect, and strengthened ring beam is reinforced concrete structure, the width of ring beam section
1300mm, it is highly identical as two liner thickness degree of tunnel floor, be 350mm (Fig. 3)；
(3) excavation for first completing the first vertical shaft, third vertical shaft abolishes the supervisor corridor tunnel floor initial stage in two vertical shaft ring beams
Supporting construction, the first Pin grid of construction shaft, and connect with main line piping lane water tank tunnel floor preliminary bracing, then adopt downwards
Make shotcrete method for constructing construction shaft structure with using inverse, shaft wall grid Pin is away from 500-750mm；Perpendicular during shaft excavation
Well side wall sets slip casting ductule strengthening stratum, and sets up fashioned iron to support.
(4) after above-mentioned two shaft excavation on earth, ingate is opened in vertical shaft two sidewalls, construction enters branch line piping lane in order
Tunnel applies (Fig. 4) to branch line piping lane tunnel excavation support and two lining structures:
The step of constructing in order are as follows:
41) ingate is opened from the first vertical shaft, third vertical shaft to side, excavates 1,2 pilot tunnels, be staggered 4-6m up and down；1, it leads for No. 2
After the perforation of hole, 3, No. 4 pilot tunnels are excavated, be staggered 4-6m up and down；
42) after the perforation of 1-4 pilot tunnel, ingate is opened from the first vertical shaft, third vertical shaft to the other side, 5, No. 6 pilot tunnels are wrong up and down
Open 4-6m；After No. 7 pilot tunnels lag No. 5 pilot tunnel 10m, 7, No. 8 pilot tunnels are excavated, be staggered 4-6m up and down；
43) after 1-8 pilot tunnel all perforation, two lining structure of 1-8 pilot tunnel of constructing；
(5) after two lining structure concrete of 1-8 pilot tunnel reaches design strength, the second vertical shaft is excavated downwards.Using spray anchor
Contrary sequence method excavates downwards the second vertical shaft, and wall shares supporting construction respectively at No. 1, No. 3 vertical shafts at left and right sides of the second vertical shaft；
(6) after the second vertical shaft back cover, ingate is opened in vertical shaft two sidewalls, enters the branch line piping lane tunnel of two sides in order
Road carries out excavation supporting (Fig. 4) to branch line piping lane tunnel:
The step of constructing in order are as follows:
61) ingate is opened from the second vertical shaft to side, excavates 9,10 pilot tunnels, be staggered 4-6m up and down；9, No. 10 pilot tunnel perforations
Afterwards, 11, No. 12 pilot tunnels are excavated, be staggered 4-6m up and down；
62) after the perforation of 9-12 pilot tunnel, ingate is opened from the second vertical shaft to the other side, be staggered 4-6m above and below 13, No. 14 pilot tunnels；
After No. 15 pilot tunnels lag No. 13 pilot tunnel 10m, 15, No. 16 pilot tunnels are excavated, be staggered 4-6m up and down；
63) after 9-16 pilot tunnel all perforation, two lining structure of 9-16 pilot tunnel of constructing；
(7) after the 9-16 pilot tunnel of the second vertical shaft two sides all perforation, applying for two lining structures is carried out.
Compared with prior art, the vertical folded vertical shaft knot arranged side by side fallen in tunneling pipe gallery tunnel proposed using invention
Structure has the advantage that
(1) secretly make completely for the vertical shaft of lower layer's branch line piping lane constructing tunnel, do not need in addition to provide construction site, to week
Surrounding environment influences smaller；
(2) shaft structure is arranged side by side, and the position of shaft excavation is also a part of lower layer's branch line piping lane tunnel structure.That is:
Vertical shaft is both the construction channel in branch line piping lane tunnel and some of piping lane tunnel structure, reduces cost；
(3) since vertical shaft is located in main line piping lane tunnel, using piping lane tunnel as construction transverse passage-way, and if vertical shaft
Individually arrangement then needs to be arranged construction transverse passage-way connection vertical shaft and branch line piping lane excavated surface.
Although the present invention is disclosed as above with embodiment, so it is not intended to limit the present invention, any those skilled in the art
Member, without departing from the spirit and scope of the present invention, can make a variety of different selections and modification, therefore protection model of the invention
It encloses and is limited by claims and its equivalents.
Claims (10)
1. the vertical shaft arranged side by side secretly made in a kind of piping lane tunnel, which is characterized in that including multiple vertical shafts being set side by side, the vertical shaft
It is down-set perpendicular to branch line piping lane tunnel axis from tunnel floor in the biggish water tank tunnel of main line Pipe rack space, including
Strengthened ring beam, shotcrete supporting steel grating structure and vertical shaft lateral type steel support structure, the strengthened ring beam are embedded in pit mouth in advance
On the main line piping lane tunnel floor in portion.
2. the vertical shaft arranged side by side secretly made in piping lane tunnel according to claim 1, which is characterized in that the shotcrete steel grating branch
Protection structure is set between adjacent vertical shaft, is used for supporting.
3. the vertical shaft arranged side by side secretly made in piping lane tunnel according to claim 1, which is characterized in that the vertical shaft transverse direction fashioned iron
Support construction is set in each individual vertical shaft.
4. the construction method for the vertical shaft arranged side by side secretly made in piping lane tunnel according to claim 1, which is characterized in that described perpendicular
Well includes the first vertical shaft, third vertical shaft and is set to the second vertical shaft between the two, the anchor at left and right sides of second vertical shaft
Supporting steel grating structure is sprayed to share with first vertical shaft, the third vertical shaft respectively.
5. a kind of construction method for the vertical shaft arranged side by side secretly made in piping lane tunnel, which comprises the following steps:
(1) three vertical shaft contour lines are marked in main line piping lane water tank tunnel floor, shaft structure is arranged side by side, and intermediate vertical shaft and two sides are perpendicular
Well shares shotcrete supporting steel grating structure in adjacent wall；
(2) when applying main line piping lane water tank tunnel double-lining, in tunnel floor position along the pre-buried strengthened ring beam of shaft perimeter, reinforcing ring
Beam and the supervisor corridor tunnel double-lining bottom plate on periphery connect；
(3) excavation for first completing the first vertical shaft, third vertical shaft abolishes the supervisor corridor tunnel floor preliminary bracing in two vertical shaft ring beams
Structure, the first Pin grid of construction shaft, and connect with main line piping lane water tank tunnel floor preliminary bracing, then adopt downwards
Make shotcrete method for constructing construction shaft structure with inverse；Slip casting ductule strengthening stratum is set in shaft wall during shaft excavation,
And fashioned iron is set up to support.
(4) after above-mentioned two shaft excavation on earth, ingate is opened in vertical shaft two sidewalls, construction enters branch line piping lane tunnel in order
Road applies branch line piping lane tunnel excavation support and two lining structures；
(5) after two lining structure concrete of 1-8 pilot tunnel reaches design strength, the second vertical shaft is excavated downwards.Make using spray anchor is inverse
The second vertical shaft is excavated under normal direction；
(6) after the second vertical shaft back cover, ingate is opened in vertical shaft two sidewalls, enters the branch line piping lane tunnel of two sides in order, it is right
Branch line piping lane tunnel carries out excavation supporting；
(7) after the 9-16 pilot tunnel of the second vertical shaft two sides all perforation, applying for two lining structures is carried out.
6. the construction method for the vertical shaft arranged side by side secretly made in piping lane tunnel according to claim 5, which is characterized in that reinforcing ring
Beam is reinforced concrete structure, and the width 1300mm of ring beam section is highly identical as two liner thickness degree of tunnel floor, is 350mm.
7. the construction method for the vertical shaft arranged side by side secretly made in piping lane tunnel according to claim 5, which is characterized in that the step
Suddenly in (3), shaft wall grid Pin is away from 500-750mm.
8. the construction method for the vertical shaft arranged side by side secretly made in piping lane tunnel according to claim 5, which is characterized in that the step
Suddenly the step of construction in order of (4) are as follows:
41) ingate is opened from the first vertical shaft, third vertical shaft to side, excavates 1,2 pilot tunnels, be staggered 4-6m up and down；1, No. 2 pilot tunnels pass through
After logical, 3, No. 4 pilot tunnels are excavated, be staggered 4-6m up and down；
42) after the perforation of 1-4 pilot tunnel, ingate is opened from the first vertical shaft, third vertical shaft to the other side, be staggered 4- above and below 5, No. 6 pilot tunnels
6m；After No. 7 pilot tunnels lag No. 5 pilot tunnel 10m, 7, No. 8 pilot tunnels are excavated, be staggered 4-6m up and down；
43) after 1-8 pilot tunnel all perforation, two lining structure of 1-8 pilot tunnel of constructing.
9. the construction method for the vertical shaft arranged side by side secretly made in piping lane tunnel according to claim 5, which is characterized in that the step
Suddenly the step of construction in order of (6) are as follows:
61) ingate is opened from the second vertical shaft to side, excavates 9,10 pilot tunnels, be staggered 4-6m up and down；9, it after No. 10 pilot tunnel perforations, opens
11, No. 12 pilot tunnels are dug, be staggered 4-6m up and down；
62) after the perforation of 9-12 pilot tunnel, ingate is opened from the second vertical shaft to the other side, be staggered 4-6m above and below 13, No. 14 pilot tunnels；No. 15
After pilot tunnel lags No. 13 pilot tunnel 10m, 15, No. 16 pilot tunnels are excavated, be staggered 4-6m up and down；
63) after 9-16 pilot tunnel all perforation, two lining structure of 9-16 pilot tunnel of constructing.
10. the construction method for the vertical shaft arranged side by side secretly made in piping lane tunnel according to claim 5, which is characterized in that described
Shotcrete supporting steel grating structure at left and right sides of second vertical shaft is shared with first vertical shaft, the third vertical shaft respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910359901.2A CN109958443B (en) | 2019-04-30 | 2019-04-30 | Parallel vertical shafts hidden in pipe gallery tunnel and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910359901.2A CN109958443B (en) | 2019-04-30 | 2019-04-30 | Parallel vertical shafts hidden in pipe gallery tunnel and construction method thereof |
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| CN109958443A true CN109958443A (en) | 2019-07-02 |
| CN109958443B CN109958443B (en) | 2024-04-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111997618A (en) * | 2020-07-16 | 2020-11-27 | 煤炭科学研究总院 | Anti-seismic supporting structure of mine shaft |
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2019
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|---|---|---|---|---|
| JPH0414599A (en) * | 1990-05-07 | 1992-01-20 | Taisei Corp | Construction of branch section of underground level and construction method |
| JPH05187184A (en) * | 1992-01-09 | 1993-07-27 | Tokyo Electric Power Co Inc:The | Structure for vertical shaft |
| JPH10131217A (en) * | 1996-11-05 | 1998-05-19 | Kajima Corp | Underground structure such as shaft and construction method therefor |
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| CN111997618A (en) * | 2020-07-16 | 2020-11-27 | 煤炭科学研究总院 | Anti-seismic supporting structure of mine shaft |
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| CN109958443B (en) | 2024-04-02 |
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