CN110005416A - A kind of branch line piping lane tunnel interface section constructing method - Google Patents
A kind of branch line piping lane tunnel interface section constructing method Download PDFInfo
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- CN110005416A CN110005416A CN201910359444.7A CN201910359444A CN110005416A CN 110005416 A CN110005416 A CN 110005416A CN 201910359444 A CN201910359444 A CN 201910359444A CN 110005416 A CN110005416 A CN 110005416A
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- piping lane
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- 238000000034 method Methods 0.000 title claims abstract description 40
- 238000010276 construction Methods 0.000 claims abstract description 41
- 239000002689 soil Substances 0.000 claims description 18
- 238000010586 diagram Methods 0.000 claims description 17
- 238000009412 basement excavation Methods 0.000 claims description 14
- 230000011218 segmentation Effects 0.000 claims description 12
- 230000005641 tunneling Effects 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 239000004567 concrete Substances 0.000 claims description 4
- 239000000567 combustion gas Substances 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000011378 shotcrete Substances 0.000 claims description 3
- 238000007569 slipcasting Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 238000004078 waterproofing Methods 0.000 claims description 3
- 239000011150 reinforced concrete Substances 0.000 claims description 2
- 238000005728 strengthening Methods 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- 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
- E21D5/11—Lining shafts; Linings therefor with combinations of different materials, e.g. wood, metal, concrete
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Wood Science & Technology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a kind of branch line piping lane tunnel interface section constructing methods, the following steps are included: the quantity of (1) according to lower layer's branch line piping lane tunnel, determine vertical shaft quantity arranged side by side, and each vertical shaft contour line is marked in the biggish supervisor corridor tunnel floor of main line span, shaft structure is arranged side by side, and intermediate vertical shaft and two sides vertical shaft share supporting construction；(2) it when applying tunnel double-lining, in tunnel floor position along the pre-buried strengthened ring beam of shaft perimeter, and is connect with the supervisor corridor tunnel double-lining bottom plate on periphery；(3) Construction of Silo.Branch line piping lane tunnel interface section constructing method of the invention: the vertical shaft for lower layer's branch line piping lane constructing tunnel is secretly made completely, does not need in addition to provide construction site, not influence on surrounding enviroment；Since vertical shaft is located in main line piping lane tunnel, using main line 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 a kind of branch line piping lane tunnel interface section construction party
Method.
Background technique
Currently, main line piping lane tunnel two sides generally require reserved branch line piping lane tunnel interface, branch line piping lane tunnel interface section
Generally all take the pattern perpendicular to main line tunnel arrangement.Main line piping lane tunnel cloth is worn under branch line piping lane tunnel interface section is vertical
When setting, need to provide construction shaft and construction transverse passage-way for its construction.In surrounding enviroment complicated condition, tend not to
The position of ground location offer construction shaft.
For this purpose, the present invention proposes: cancelling construction transverse passage-way, in main line piping lane water tank tunnel, from tunnel floor hole to be provided
Block form vertical shaft is excavated downwards mouthful perpendicular to branch line piping lane tunnel interface section axis, using secretly making block form vertical shaft as branch spool
The quantity of the operation side of corridor tunnel interface section, vertical shaft arranged side by side is identical as branch line piping lane tunnel quantity.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of branch line piping lane tunnel interface section constructing methods, cancel hole
Outer vertical shaft and tunneling transverse passage-way secretly make block form using the upper layer main line piping lane water tank tunnel that excavation supporting is completed in it
Vertical shaft, the construction shaft as lower layer's branch line piping lane tunnel.
The technical problem to be solved by the present invention is to what is be achieved through the following technical solutions:
A kind of branch line piping lane tunnel interface section constructing method, comprising the following steps:
(1) according to the quantity in lower layer's branch line piping lane tunnel, vertical shaft quantity arranged side by side is determined, and in the biggish supervisor of main line span
Corridor tunnel floor marks each vertical shaft contour line, and shaft structure is arranged side by side, and intermediate vertical shaft and two sides vertical shaft share supporting construction；
(2) when applying tunnel double-lining, in tunnel floor position along the pre-buried strengthened ring beam of shaft perimeter, and the supervisor with periphery
The connection of corridor tunnel double-lining bottom plate；
(3) excavation for first completing No. 1 vertical shaft, No. 3 vertical shafts abolishes the supervisor corridor tunnel in the ring beam of No. 1 vertical shaft, No. 3 vertical shafts
Road bottom plate preliminary bracing structure, the first Pin grid of construction shaft, and connect with tunnel floor preliminary bracing, then use downwards
Make shotcrete method for constructing construction shaft structure using inverse, shaft wall grid Pin is away from 500-750mm；
After 14, No. 3 vertical shafts 16 of (4) No. 1 vertical shafts excavate on earth, ingate is opened in vertical shaft two sidewalls, into branch line piping lane tunnel
Road excavation supporting and two lining structures apply；
(5) after two lining structure concrete of 1-8 pilot tunnel reaches design strength, No. 2 vertical shafts are excavated downwards；Make using spray anchor is inverse
No. 2 vertical shafts are excavated under normal direction, the supporting construction at left and right sides of No. 2 vertical shafts is shared with No. 1 vertical shaft, No. 3 vertical shafts respectively；
After (6) No. 2 vertical shaft back covers, ingate is opened in vertical shaft two sidewalls, the branch line of two sides is entered by the sequence of construction of diagram
Piping lane tunnel carries out excavation supporting to branch line piping lane tunnel；After the 9-16 pilot tunnel of No. 2 15 two sides of vertical shaft all perforation, into
Two lining structure of row applies.
Preferably, in above-mentioned technical proposal, strengthened ring beam is reinforced concrete structure, the width of ring beam section in step (1)
1300mm is spent, it is highly identical as two liner thickness degree of tunnel floor, it is 350mm.
Preferably, in above-mentioned technical proposal, slip casting ductule is set in shaft wall during step (3) shaft excavation and is added
Gu stratum, and fashioned iron is set up to support.
Preferably, in above-mentioned technical proposal, the construction procedure of step (4) is as follows:
41) ingate is opened from No. 1 vertical shaft, No. 3 vertical shafts to side, excavates 1,2 pilot tunnels, be staggered 4-6m up and down；1, No. 2 pilot tunnels
After perforation, 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 1, No. 3 vertical shaft to the other side, be staggered 4-6m above and below 5, No. 6 pilot tunnels；7
After number pilot tunnel lags 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 construction procedure of step (6) is 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.
A kind of branch line piping lane tunnel interface section constructing method, comprising the following steps:
Northwards deep hole grouting reinforces No. 1 pilot tunnel soil body to (1) 1, No. 3 vertical shaft, and benching tunnelling method excavates No. 1 pilot tunnel；
(2) No. 2 pilot tunnel soil bodys of deep hole grouting, 1, No. 2 pilot tunnel are staggered 4-6m up and down, No. 2 pilot tunnels of full face tunneling；
Northwards after 1, No. 2 pilot tunnel perforation, No. 3 pilot tunnel soil bodys of deep hole grouting, 3, No. 4 pilot tunnels are staggered (3) 1, No. 3 vertical shafts up and down
4-6m, benching tunnelling method excavate No. 3 pilot tunnels；
(4) No. 4 pilot tunnel soil bodys of deep hole grouting, No. 4 pilot tunnels of full face tunneling；
(5) the interim inverted arch that 1, No. 2 pilot tunnel is removed in cabin is jumped in segmentation, is removed length every time and is less than 6m, performs inverted arch waterproof layer,
Two lining structure of bottom plate；
(6) segmentation jumps cabin and removes No. 3 vertical shaft mid-boards in right side, removes length every time and is less than 6m, performs waterproof layer and two linings
Structure；
Northwards deep hole grouting reinforces No. 9 pilot tunnel soil bodys to (7) 1, No. 3 vertical shafts, and benching tunnelling method excavates No. 9 pilot tunnels；
Northwards deep hole grouting reinforces No. 10 pilot tunnel soil bodys, No. 10 pilot tunnels of full face tunneling, upper and lower pilot tunnel to (8) 1, No. 3 vertical shafts
Be staggered 4-6m spacing；
Excavate 11, No. 12 pilot tunnels after the perforation of (9) 9, No. 10 pilot tunnels, upper and lower pilot tunnel is staggered 4-6m spacing；
(10) No. 2 interim inverted arch of vertical shaft are removed in segmentation, are removed for every section and are not more than 6m, and waterproof layer and the lining knot of main body two are performed
Structure；
(11) No. 2 vertical shaft median septums are removed in segmentation, are removed for every section and are not more than 6m, perform top plate, base plate waterproofing and residue
Two lining structures.
Preferably, in above-mentioned technical proposal, No. 1 vertical shaft includes electric compartment and water letter cabin, and No. 2 vertical shafts are water
Cabin, No. 3 vertical shafts are combustion gas cabin.
Preferably, in above-mentioned technical proposal, No. 1 vertical shaft, No. 2 vertical shafts and No. 3 vertical shafts are set side by side, and are respectively provided with
Below supervisor corridor tunnel.
Preferably, in above-mentioned technical proposal, the construction method further include: according to the quantity in lower layer's branch line piping lane tunnel,
It determines vertical shaft quantity arranged side by side, and marks each vertical shaft contour line, shaft structure in the biggish supervisor corridor tunnel floor of main line span
Side by side, intermediate vertical shaft and two sides vertical shaft share supporting construction；It is pre- along shaft perimeter in tunnel floor position when applying tunnel double-lining
Strengthened ring beam is buried, and is connect with the supervisor corridor tunnel double-lining bottom plate on periphery.
Above-mentioned technical proposal of the present invention, has the following beneficial effects:
Compared with prior art, it vertical folded fall vertical shaft arranged side by side in tunneling pipe gallery tunnel using proposed by the present invention and has
Following advantage:
(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 does not influence；
(2) vertical shaft position is also a part of lower layer's branch line piping lane tunnel structure.That is: vertical shaft is both branch line piping lane tunnel
Construction channel, and be some of piping lane tunnel structure, reduce cost；
(3) since vertical shaft is located in main line piping lane tunnel, using main line piping lane tunnel as construction transverse passage-way, and if
Vertical shaft is individually arranged, 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 a kind of transverse sectional view schematic diagram of branch line piping lane tunnel interface section constructing method of the invention.
Fig. 2 is the schematic diagram of 3 vertical shafts of the invention.
Fig. 3 is a kind of longitudinal sectional view schematic diagram of branch line piping lane tunnel interface section constructing method of the invention.
Fig. 4 is that figure is excavated in a kind of side of branch line piping lane tunnel interface section constructing method of the invention.
Fig. 5 is that figure is excavated in a kind of other side of branch line piping lane tunnel interface section constructing method of the invention.
Fig. 6 is step 1 schematic diagram of the embodiment of the present invention 2.
Fig. 7 is step 2 schematic diagram of the embodiment of the present invention 2.
Fig. 8 is step 3 schematic diagram of the embodiment of the present invention 2.
Fig. 9 is step 4 schematic diagram of the embodiment of the present invention 2.
Figure 10 is step 5 schematic diagram of the embodiment of the present invention 2.
Figure 11 is step 6 schematic diagram of the embodiment of the present invention 2.
Figure 12 is step 7 schematic diagram of the embodiment of the present invention 2.
Figure 13 is step 8 schematic diagram of the embodiment of the present invention 2.
Figure 14 is step 9 schematic diagram of the embodiment of the present invention 2.
Figure 15 is step 10 schematic diagram of the embodiment of the present invention 2.
Figure 16 is step 11 schematic diagram of the embodiment of the present invention 2.
Specific embodiment
Specific embodiments of the present invention will be described in detail below, in order to further understand the present invention.
Embodiment 1
A kind of branch line piping lane tunnel interface section constructing method, comprising the following steps:
(1) according to the quantity in lower layer's branch line piping lane tunnel, vertical shaft quantity arranged side by side is determined, and in the biggish supervisor of main line span
Tunnel 20 bottom plate in corridor marks each vertical shaft contour line, and shaft structure is arranged side by side, and intermediate vertical shaft and two sides vertical shaft share supporting construction (such as
Shown in Fig. 1, Fig. 2).
(2) when applying tunnel double-lining, in tunnel floor position along the pre-buried strengthened ring beam of shaft perimeter, strengthened ring beam is reinforcing bar
Concrete structure, and being connect with the supervisor corridor tunnel double-lining bottom plate on periphery, the width 1300mm of ring beam section, highly with tunnel bottom
Two liner thickness degree of plate is identical, generally 350mm；(as shown in Figure 3).
(3) excavation for first completing 17, No. 3 vertical shafts 19 of No. 1 vertical shaft, in the ring beam for abolishing 17, No. 3 vertical shafts 19 of No. 1 vertical shaft
It is responsible for corridor tunnel floor preliminary bracing structure, the first Pin grid of construction shaft, and is connect with tunnel floor preliminary bracing, then
Make shotcrete method for constructing construction shaft structure using using inverse downwards, shaft wall grid Pin is away from 500-750mm；Shaft excavation process
In in shaft wall set slip casting ductule strengthening stratum, and set up fashioned iron to support.
After 17, No. 3 vertical shafts 19 of (4) No. 1 vertical shafts excavate on earth, ingate is opened in vertical shaft two sidewalls, into branch line piping lane tunnel
Road excavation supporting and two lining structures apply (as shown in Fig. 4, Fig. 5, Fig. 6).
1) ingate is opened from 17, No. 3 vertical shafts 19 of No. 1 vertical shaft to side, excavates 1,2 pilot tunnels, be staggered 4-6m up and down；1, No. 2
After pilot tunnel perforation, 3, No. 4 pilot tunnels are excavated, be staggered 4-6m up and down.
2) after the perforation of 1-4 pilot tunnel, ingate is opened from 1, No. 3 vertical shaft to the other side, be staggered 4-6m above and below 5, No. 6 pilot tunnels；No. 7
After pilot tunnel lags No. 5 pilot tunnel 10m, 7, No. 8 pilot tunnels are excavated, be staggered 4-6m up and down.
3) 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, No. 2 vertical shafts 15 are excavated downwards.It is inverse using spray anchor
The supporting construction that the practice excavates downwards 15, No. 2 vertical shafts of No. 2 vertical shafts, 15 left and right sides is total with 14, No. 3 vertical shafts 16 of No. 1 vertical shaft respectively
With.
After (6) No. 2 18 back covers of vertical shaft, ingate is opened in vertical shaft two sidewalls, the branch of two sides is entered by the sequence of construction of diagram
Spool corridor tunnel carries out excavation supporting to branch line piping lane tunnel, and the drilling depth of each pilot tunnel requires to be same as above.To No. 2 18 two sides of vertical shaft
9-16 pilot tunnel all after perforation, carries out applying for two lining structures.
Embodiment 2
A kind of branch line piping lane tunnel interface section constructing method is determined arranged side by side according to the quantity in lower layer's branch line piping lane tunnel
Vertical shaft quantity, and each vertical shaft contour line is marked in the biggish supervisor corridor tunnel floor of main line span, shaft structure is arranged side by side, intermediate
Vertical shaft and two sides vertical shaft share supporting construction；When applying tunnel double-lining, in tunnel floor position along the pre-buried reinforcing ring of shaft perimeter
Beam, and being connect with the supervisor corridor tunnel double-lining bottom plate on periphery, it is specific it is unilateral excavate the following steps are included:
Northwards deep hole grouting reinforces No. 1 pilot tunnel soil body to (1) 1, No. 3 vertical shaft, and benching tunnelling method excavates No. 1 pilot tunnel；
(2) No. 2 pilot tunnel soil bodys of deep hole grouting, 1, No. 2 pilot tunnel are staggered 4-6m up and down, No. 2 pilot tunnels of full face tunneling；
Northwards after 1, No. 2 pilot tunnel perforation, No. 3 pilot tunnel soil bodys of deep hole grouting, 3, No. 4 pilot tunnels are staggered (3) 1, No. 3 vertical shafts up and down
4-6m, benching tunnelling method excavate No. 3 pilot tunnels；
(4) No. 4 pilot tunnel soil bodys of deep hole grouting, No. 4 pilot tunnels of full face tunneling；
(5) the interim inverted arch that 1, No. 2 pilot tunnel is removed in cabin is jumped in segmentation, is removed length every time and is less than 6m, performs inverted arch waterproof layer,
Two lining structure of bottom plate；
(6) segmentation jumps cabin and removes No. 3 vertical shaft mid-boards in right side, removes length every time and is less than 6m, performs waterproof layer and two linings
Structure；
Northwards deep hole grouting reinforces No. 9 pilot tunnel soil bodys to (7) 1, No. 3 vertical shafts, and benching tunnelling method excavates No. 9 pilot tunnels；
Northwards deep hole grouting reinforces No. 10 pilot tunnel soil bodys, No. 10 pilot tunnels of full face tunneling, upper and lower pilot tunnel to (8) 1, No. 3 vertical shafts
Be staggered 4-6m spacing；
Excavate 11, No. 12 pilot tunnels after the perforation of (9) 9, No. 10 pilot tunnels, upper and lower pilot tunnel is staggered 4-6m spacing；
(10) No. 2 interim inverted arch of vertical shaft are removed in segmentation, are removed for every section and are not more than 6m, and waterproof layer and the lining knot of main body two are performed
Structure；
(11) No. 2 vertical shaft median septums are removed in segmentation, are removed for every section and are not more than 6m, perform top plate, base plate waterproofing and residue
Two lining structures.
Preferably, No. 1 vertical shaft, No. 2 vertical shafts and No. 3 vertical shafts are set side by side, and are all set in below supervisor corridor tunnel, 1
Number vertical shaft includes electric compartment and water letter cabin, and No. 2 vertical shafts are water tank, and No. 3 vertical shafts are combustion gas cabin.
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 (9)
1. a kind of branch line piping lane tunnel interface section constructing method, which comprises the following steps:
(1) according to the quantity in lower layer's branch line piping lane tunnel, vertical shaft quantity arranged side by side is determined, and in the biggish supervisor corridor tunnel of main line span
Road bottom plate marks each vertical shaft contour line, and shaft structure is arranged side by side, and intermediate vertical shaft and two sides vertical shaft share supporting construction；
(2) when applying tunnel double-lining, in tunnel floor position along the pre-buried strengthened ring beam of shaft perimeter, and the supervisor corridor tunnel with periphery
The connection of two underboarding of road；
(3) excavation for first completing No. 1 vertical shaft, No. 3 vertical shafts abolishes the supervisor corridor tunnel bottom in the ring beam of No. 1 vertical shaft, No. 3 vertical shafts
Plate preliminary bracing structure, the first Pin grid of construction shaft, and connect with tunnel floor preliminary bracing, then downwards using use
Inverse to make shotcrete method for constructing construction shaft structure, shaft wall grid Pin is away from 500-750mm；
After (4) No. 1 vertical shafts, No. 3 shaft excavations on earth, ingate is opened in vertical shaft two sidewalls, into branch line piping lane tunnel excavation branch
Shield is applied with two lining structures；
(5) after two lining structure concrete of 1-8 pilot tunnel reaches design strength, No. 2 vertical shafts are excavated downwards；Using spray anchor contrary sequence method to
No. 2 vertical shafts of lower excavation, the supporting construction at left and right sides of No. 2 vertical shafts are shared with No. 1 vertical shaft, No. 3 vertical shafts respectively；
After (6) No. 2 vertical shaft back covers, ingate is opened in vertical shaft two sidewalls, the branch line piping lane of two sides is entered by the sequence of construction of diagram
Tunnel carries out excavation supporting to branch line piping lane tunnel；After the 9-16 pilot tunnel of No. 2 15 two sides of vertical shaft all perforation, two are carried out
Lining structure applies.
2. branch line piping lane tunnel interface section constructing method according to claim 1, which is characterized in that reinforce in step (1)
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.
3. branch line piping lane tunnel interface section constructing method according to claim 1, which is characterized in that step (3) vertical shaft is opened
Slip casting ductule strengthening stratum is set in shaft wall during digging, and sets up fashioned iron to support.
4. branch line piping lane tunnel interface section constructing method according to claim 1, which is characterized in that the construction of step (4)
Steps are as follows:
41) ingate is opened from No. 1 vertical shaft, No. 3 vertical shafts to side, excavates 1,2 pilot tunnels, be staggered 4-6m up and down；1, No. 2 pilot tunnel perforations
Afterwards, 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 1, No. 3 vertical shaft to the other side, be staggered 4-6m above and below 5, No. 6 pilot tunnels；No. 7 are led
After hole lags 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. branch line piping lane tunnel interface section constructing method according to claim 1, which is characterized in that the construction of step (6)
Steps 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.
6. a kind of branch line piping lane tunnel interface section constructing method, which comprises the following steps:
Northwards deep hole grouting reinforces No. 1 pilot tunnel soil body to (1) 1, No. 3 vertical shaft, and benching tunnelling method excavates No. 1 pilot tunnel；
(2) No. 2 pilot tunnel soil bodys of deep hole grouting, 1, No. 2 pilot tunnel are staggered 4-6m up and down, No. 2 pilot tunnels of full face tunneling；
After 1, No. 2 pilot tunnel perforation northwards of (3) 1, No. 3 vertical shafts, No. 3 pilot tunnel soil bodys of deep hole grouting, 3, No. 4 pilot tunnels are staggered 4- up and down
6m, benching tunnelling method excavate No. 3 pilot tunnels；
(4) No. 4 pilot tunnel soil bodys of deep hole grouting, No. 4 pilot tunnels of full face tunneling；
(5) the interim inverted arch that 1, No. 2 pilot tunnel is removed in cabin is jumped in segmentation, is removed length every time and is less than 6m, performs inverted arch waterproof layer, bottom plate
Two lining structures；
(6) segmentation jumps cabin and removes No. 3 vertical shaft mid-boards in right side, removes length every time and is less than 6m, performs waterproof layer and two lining structures；
Northwards deep hole grouting reinforces No. 9 pilot tunnel soil bodys to (7) 1, No. 3 vertical shafts, and benching tunnelling method excavates No. 9 pilot tunnels；
Northwards deep hole grouting reinforces No. 10 pilot tunnel soil bodys, No. 10 pilot tunnels of full face tunneling to (8) 1, No. 3 vertical shafts, and upper and lower pilot tunnel is staggered
4-6m spacing；
Excavate 11, No. 12 pilot tunnels after the perforation of (9) 9, No. 10 pilot tunnels, upper and lower pilot tunnel is staggered 4-6m spacing；
(10) No. 2 interim inverted arch of vertical shaft are removed in segmentation, are removed for every section and are not more than 6m, perform two lining structure of waterproof layer and main body；
(11) No. 2 vertical shaft median septums are removed in segmentation, are removed for every section and are not more than 6m, perform top plate, base plate waterproofing and remaining two
Lining structure.
7. branch line piping lane tunnel interface section constructing method according to claim 6, which is characterized in that No. 1 vertical shaft packet
Electric compartment and water letter cabin are included, No. 2 vertical shafts are water tank, and No. 3 vertical shafts are combustion gas cabin.
8. branch line piping lane tunnel interface section constructing method according to claim 6, which is characterized in that No. 1 vertical shaft, 2
Number vertical shaft and No. 3 vertical shafts are set side by side, and are all set in below supervisor corridor tunnel.
9. branch line piping lane tunnel interface section constructing method according to claim 6, which is characterized in that the construction method is also
It include: that vertical shaft quantity arranged side by side is determined, and in the biggish supervisor corridor tunnel of main line span according to the quantity in lower layer's branch line piping lane tunnel
Bottom plate marks each vertical shaft contour line, and shaft structure is arranged side by side, and intermediate vertical shaft and two sides vertical shaft share supporting construction；Apply tunnel two
When lining, in tunnel floor position along the pre-buried strengthened ring beam of shaft perimeter, and it is connect with the supervisor corridor tunnel double-lining bottom plate on periphery.
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| CN201910359444.7A CN110005416B (en) | 2019-04-30 | 2019-04-30 | Construction method for branch pipe gallery tunnel interface section |
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|---|---|---|---|
| CN201910359444.7A CN110005416B (en) | 2019-04-30 | 2019-04-30 | Construction method for branch pipe gallery tunnel interface section |
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| CN110005416B CN110005416B (en) | 2020-08-11 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112963168A (en) * | 2021-01-29 | 2021-06-15 | 北京交通大学 | Construction method for bridgehead gate of disturbance sensitive stratum ultra-small clear distance large-section group tunnel |
| CN117948151A (en) * | 2024-03-27 | 2024-04-30 | 北京城建道桥建设集团有限公司 | Safe and efficient excavation method for excavating multiple tunnels by taking vertical shaft as starting point |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4915542A (en) * | 1984-11-16 | 1990-04-10 | Fernando Gordun B | Process for waterproofing surfaces |
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| CN108425678A (en) * | 2018-04-12 | 2018-08-21 | 中铁四局集团有限公司 | A kind of construction method in big cross section subway connection tunnel |
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| US4915542A (en) * | 1984-11-16 | 1990-04-10 | Fernando Gordun B | Process for waterproofing surfaces |
| JP4024400B2 (en) * | 1998-09-28 | 2007-12-19 | 株式会社熊谷組 | Construction method of shaft in limited area |
| CN105350631A (en) * | 2015-11-30 | 2016-02-24 | 广州市市政工程设计研究总院 | Folding plate type inflow vertical well system connected into deep tunnel drainage system |
| CN106906843A (en) * | 2017-03-17 | 2017-06-30 | 中国建筑第八工程局有限公司 | Underground pipe gallery and its construction method |
| CN108425678A (en) * | 2018-04-12 | 2018-08-21 | 中铁四局集团有限公司 | A kind of construction method in big cross section subway connection tunnel |
Cited By (3)
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| CN112963168A (en) * | 2021-01-29 | 2021-06-15 | 北京交通大学 | Construction method for bridgehead gate of disturbance sensitive stratum ultra-small clear distance large-section group tunnel |
| CN112963168B (en) * | 2021-01-29 | 2022-04-01 | 北京交通大学 | Construction method for bridgehead gate of disturbance sensitive stratum ultra-small clear distance large-section group tunnel |
| CN117948151A (en) * | 2024-03-27 | 2024-04-30 | 北京城建道桥建设集团有限公司 | Safe and efficient excavation method for excavating multiple tunnels by taking vertical shaft as starting point |
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|---|---|
| CN110005416B (en) | 2020-08-11 |
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