CN109281688A - Tunnel advanced pipe shed accurate positioning system and construction method - Google Patents
Tunnel advanced pipe shed accurate positioning system and construction method Download PDFInfo
- Publication number
- CN109281688A CN109281688A CN201811318645.4A CN201811318645A CN109281688A CN 109281688 A CN109281688 A CN 109281688A CN 201811318645 A CN201811318645 A CN 201811318645A CN 109281688 A CN109281688 A CN 109281688A
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- guide pipe
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- 238000010276 construction Methods 0.000 title claims abstract description 15
- 238000005553 drilling Methods 0.000 claims abstract description 61
- 230000008093 supporting effect Effects 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 30
- 239000010959 steel Substances 0.000 claims description 30
- 239000007858 starting material Substances 0.000 claims description 28
- 239000000523 sample Substances 0.000 claims description 16
- 238000005259 measurement Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 5
- 238000012937 correction Methods 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 3
- 230000001351 cycling effect Effects 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 230000003252 repetitive effect Effects 0.000 claims description 3
- 238000009415 formwork Methods 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
- E21D11/003—Linings or provisions thereon, specially adapted for traffic tunnels, e.g. with built-in cleaning devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1078—Stabilisers or centralisers for casing, tubing or drill pipes
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Civil Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Geophysics (AREA)
- Earth Drilling (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
An accurate positioning system for a tunnel forepoling comprises a guide wall, a guide pipe and a supporting piece, wherein the outer end part of the guide pipe extends out of the guide wall and is detachably connected with a group of laser positioning pieces; a drilling device is arranged in the guide pipe in a penetrating way; the laser positioning piece comprises at least two positioning plates which are arranged in parallel at intervals; the positioning plate is provided with a round hole; the connecting line between the circular holes corresponds to the central line of the guide pipe; the drilling device comprises a drill bit and a drill rod with a limiting piece; the construction method of the positioning system is based on the fact that a laser range finder positions the drilling distance through a positioning plate round hole, space limiting is conducted according to a limiting piece on a drill rod, deviation rectification adjustment is conducted through a guide drill bit, and therefore the advanced pipe shed is accurately positioned in a combined mode. The invention is beneficial to the accurate control of the drilling angle; and the space displacement in the drilling process is limited, the positioning member is easy to manufacture, the use is convenient, the implementation of the positioning method is simple and controllable, the working hours can be effectively saved, and the construction quality is improved.
Description
Technical field
The invention belongs to constructing tunnel field, in particular to a kind of tunnel Shed-pipe Advanced Support precise positioning system and construction party
Method.
Background technique
Continuous extension with underground engineering and Tunnel Engineering to regions such as river valley, the foot of a mountain and terraces, constructing faces
Geological condition also becomes increasingly complex changeable, wherein is required to supporting across the multibreak face stage excavation of existing building and tunnel and adds
Gu and lead pipe-shed support is commonly to add maintaining method in Tunnel Engineering.Lead pipe-shed support is to guarantee tunnel excavation work
One kind for being ahead of the ancillary measure that working face excavates making face stabilization and taking, still, for subterranean tunnel or lower layer tunnel
Often since dilling angle is excessive in Shed-pipe Advanced Support work progress, it will cause pipe canopy and penetrate upper layer buildings or structures, or influence advanced
The problem of supporting effect, and tunnel tradition Shed-pipe Advanced Support at present, only using the guiding of 3 Pin I-steel composition simply at hole
Frame buries guide pipe on leading truck, and concreting is oriented to wall, then directly carries out pipe-s hed drilling installation exercise, and pipe canopy is applied
Lack effective precise positioning measure before work, control drilling rod is lacked in work progress and turns round inclined measure.Accordingly, it is desirable to provide a kind of super
The precise positioning system and construction method of front tube canopy.
Summary of the invention
The present invention proposes a kind of tunnel Shed-pipe Advanced Support precise positioning system and construction method, to solve the above problems, has
Body technique scheme is as follows:
A kind of tunnel Shed-pipe Advanced Support precise positioning system comprising the guiding wall on the outside of tunnel chapelet face and is oriented to portion's correspondence within the walls
The guide pipe and supporting element of pipe canopy setting, the guide pipe outer end are stretched out guiding wall, are detachably connected on the extension end of guide pipe
It is connected to one group of laser positioning part；Drilling equipment is worn inside guide pipe；The supporting element be located at the lateral wall lower part of guide pipe and
It is arranged along guiding pipe range to parallel interval.
The laser positioning part includes the positioning plate of at least two panels parallel interval setting；Circular hole is provided on the positioning plate；
Line corresponds to the center line of guide pipe between the circular hole；The positioning plate is rectangular, round or polygon；The laser positioning part
It is connected by connector in the extension end of guide pipe.
The connector is sleeve, and laser positioning part interval is connected to sleeve inside bottom；Or connector is end band card
The band of hook, the hook are connected to the outer end of the extension end of guide pipe, and laser positioning part interval is connected to item and takes.
Transverse reinforced bar and/or longitudinally reinforced bar are connected between the supporting element；The supporting element be I-steel, H profile steel,
Channel steel or steel pipe；Reinforcing rod is reinforcing bar or steel pipe.
The drilling equipment is drill bit and the drilling rod with finite place piece.
The locating part at least two groups, parallel interval are arranged in the lateral surface of drilling rod, every group include at least two rectangular slabs,
And be arranged along drilling rod annular uniform intervals, the height of rectangular slab adapts to pipe canopy branch apertured hole wall to the length of drilling rod；Outside rectangular slab
Side is arc-shaped side, and radian adapts to hole wall.
The locating part is the annular band plate being arranged along drilling rod lateral surface longitudinal gap；The endless belt board width adapts to pipe
Length of the canopy branch apertured hole wall to drilling rod.
A kind of construction method of the tunnel Shed-pipe Advanced Support precise positioning system, the specific steps of which are as follows:
Step 1: installing angle based on pipe canopy, then installation supporting element, horizontal and vertical reinforcer and guide pipe are set up and are poured
Building mould；
Step 2: pouring guiding wall, setting position guide pipe is surveyed in casting process；
Step 3: interting drill bit in guide pipe, guarantees that the outer locating part of drilling rod is bonded hole wall, carry out being drilled with for pipe canopy pore；
Step 4: taking out drilling equipment, laser positioning part is installed in conduit overhanging end, and use laser range finder, makes laser
By circular hole on laser positioning part, and then measure drilling distance；
Step 5: by measurement distance compared with designed distance, if departure requirement is not met, according to measurement distance and designed distance
It calculates the margin of error and angle is rectified a deviation；If measurement distance meets compared with designed distance or in allowable range of error, disassembly
Laser positioning part continues to creep into；
Step 6: repetitive cycling step 3, to step 5, the branch apertured up to completing pipe canopy is set.
The construction method of a kind of tunnel Shed-pipe Advanced Support precise positioning system, when drilling is rectified a deviation, in leading for step 3
Xiang Guanzhong wears starter and the body of rod is internally provided with the drilling rod of probe, according to the dilling angle tune of drill bit on instrument display
Section.
The front end of the starter is equipped with rectangular guide plate, and it is inclined that the angle of guide plate and starter adapts to drilling process
Declinate degree, the probe connect instrument display, measure the level angle of starter, in time starter when display drilling
Angle change.
The invention has the following advantages:
The processing of guiding wall is stretched out in the outer end of guide pipe by the present invention, connects laser positioning part convenient for it, and circle on locating piece
The setting in hole guarantees accuracy when laser positioning, and then determines the drilling distance of drilling, effective to assess directed drilling distance
Departure；The locating part added on drilling rod, the space that can effectively control drilling rod during drilling drilling are trembled
It is dynamic, it reduces drill bit and deflects, conducive to the accurate control of dilling angle；Locating system be construction in using locating part, swash
The multiple measure such as ligh-ranging and guide plate limits the space displacement in drilling process, and length distance is determining and drilling occurs
Effective control has been done in correction of deflection etc., further that the positioning of the Shed-pipe Advanced Support in tunnel is more accurate and controllable.This hair
Positioning member in bright is easy to make, easy to use, and the implementation of localization method is simply controllable, can effectively save working hour, mention
High construction quality.
Detailed description of the invention
Fig. 1 is that tunnel Shed-pipe Advanced Support installs schematic diagram；
Fig. 2 is tunnel Shed-pipe Advanced Support precise positioning connection schematic diagram；
Fig. 3 is laser positioning part scheme of installation；
Fig. 4 is laser positioning part connection side view；
Fig. 5 is drill bit and with locating part body of rod connection schematic diagram；
Fig. 6 is locating part body of rod cross-sectional view；
Fig. 7 is starter and drilling rod connection schematic diagram.
Appended drawing reference: 1- pipe canopy；2- supporting element；3- is oriented to wall；4- guide pipe；5- drilling rod；6- locating part；7- hole wall；8-
Drill bit；The extension end 9-；10- connector；11- wirerope；12- signal wire；13- guide plate；14- motor；15- instrument display；
16- probe；17- starter；18- laser positioning part；19- positioning plate；20- circular hole.
Specific embodiment
As depicted in figs. 1 and 2, a kind of tunnel Shed-pipe Advanced Support precise positioning system, includes the arch on the outside of tunnel chapelet face
It is oriented to wall 3 and is oriented to the guide pipe 4 and supporting element 2 of the setting of 3 inside respective tube canopy 1 of wall, it is characterised in that: the guide pipe 4
Guiding wall 3 is stretched out in outer end, is removably connected with one group of laser positioning part 18 on the extension end 9 of guide pipe 4；Inside guide pipe 4
Wear drilling equipment；The supporting element 2 is located at the lateral wall lower part of guide pipe 4 and sets along guide pipe 4 is long to parallel interval
It sets.
In the present embodiment, guiding 3 length of wall is 3m, and for supporting element 2 using the I-steel of I18, spacing is 60cm/ Pin.Along work
Word steel outside top installs guide pipe 4, and guide pipe 4, using being welded and fixed, is consolidated between I-steel using transverse reinforced bar with I-steel
Fixed, transverse connecting rod uses forged steel muscle, so that it is guaranteed that the not deviation in guiding 3 concreting process of wall of guide pipe 4.
As shown in Figure 3 and Figure 4, in the extension end of guide pipe 49, the extension end 9 of guide pipe 4 is sleeved on using bush whorl,
Wherein laser positioning part 18 is three Parallel Rectangular steel plates with circular hole 20, and rectangular steel plates are as positioning plate 19, rectangular steel plates weldering
It is connected to casing inside bottom surface, is located at the front of sleeve, middle part and tail portion, 20 lines of circular hole correspond to the center of guide pipe 4
Line.
It can also be the rigid band with hook for connector 10, wherein laser positioning part 18 is three flat with circular hole 20
Row rectangular steel plates, rectangular steel plates perpendicular separation are welded in strip of steel lateral surface, and wherein 20 lines of circular hole correspond in guide pipe 4
Heart line；In application, strip of steel is placed in inside guide pipe 4,20 alignment guide pipe of circular hole, 4 center line, and with strip of steel end
Hook is connected to 4 outer end of guide pipe.
As shown in Figure 5 and Figure 6, the drilling equipment is drill bit 8 and the drilling rod 5 with finite place piece 6；One group of locating part
6 welding and drilling rod 5 are long outward, are divided into 1m, wherein one group of locating part 6 is four 5cm × 5cm × 2cm steel plates, steel plate
Uniformly at intervals on the circumferential direction of drilling rod 5；The height of steel plate adapts to the length that 1 apertured hole wall 7 of pipe canopy arrives drilling rod 5；On the outside of steel plate
While being arc-shaped side, radian adapts to hole wall 7.
In addition, can also be the annular band plate being arranged along 5 lateral surface longitudinal gap of drilling rod for the locating part 6；The ring
Shape band plate width adequate pipe 1 apertured hole wall 7 of canopy arrives the length of drilling rod 5.
In conjunction with shown in Fig. 1 to Fig. 6, a kind of construction method of tunnel Shed-pipe Advanced Support precise positioning system is further illustrated, have
Steps are as follows for body:
Step 1: installing angle based on pipe canopy 1, then installation steel I-beam, transverse steel and guide pipe 4 are set up and pour mould
Plate.
Step 2: pouring guiding wall 3, setting position guide pipe 4 is surveyed in casting process.
Step 3: interting drill bit 8 in guide pipe 4, guarantees that the outer locating part 6 of drilling rod 5 is bonded hole wall 7, carry out 1 pore of pipe canopy
Be drilled with.
Step 4: taking out drilling equipment, laser positioning part 18 is installed in conduit overhanging end, and use laser range finder,
Make laser by circular hole 20 on laser positioning part 18, and then measures drilling distance.
Step 5: by measurement distance compared with designed distance, if departure requirement is not met, according to measurement distance and design
Distance calculates the margin of error and angle is rectified a deviation；If measurement distance meets compared with designed distance or in allowable range of error,
Laser positioning part 18 is dismantled, continues to creep into.
Step 6: repetitive cycling step 3, to step 5, the branch apertured up to completing pipe canopy is set.
When drilling correction, starter 17 is worn in the guide pipe 4 of step 3 and the body of rod is internally provided with probe 16
Drilling rod 5 is adjusted according to the dilling angle of starter 17 on instrument display 15.
As shown in connection with fig. 7, starter 17 is provided with probe 16, and probe 16 is designed and produced by gravity foil gauge, by 4
Save the power supply of No.1 battery；Probe 16 is processed into probe 16 for gravity foil gauge is closed using a closed hollow rod-shape body；It visits
Stick 16 uses fixed device by 16 fixation of probe close to 17 front end side of starter and middle section, spy when preventing from constructing
Stick 16 conjugates；And guarantee that the axis of the axis and starter 17 of probe 16 is in the same direction；One is stretched out in the end of probe 16 simultaneously
Signal line 12 and a wire rope 11, wirerope 11 connect motor 14 and use as recycling probe 16；12 end of signal wire with
Instrument display 15 is connected, and shows the inclination angle (level angle) of starter 17, towards the angle (direction of guide plate 13: guide plate
13 be ten two points upward, such as clock face).
In the present embodiment, the front end of the starter 17 is equipped with rectangular guide plate 13, guide plate 13 and starter 17
Angle adapt to drilling process misalignment angle, the probe 16 connects instrument display 15, measures the horizontal angle of starter 17
Degree, the angle change of starter 17 when display is crept into time.
In the present embodiment, starter 17 is worn in the guide pipe 4 of step 3 and the body of rod is internally provided with probe 16
Drilling rod 5 is adjusted according to the dilling angle of starter 17 on instrument display 15；When application-oriented drill bit 17 is rectified a deviation, if
If it is on the lower side to set angle, starter 17 is transferred at 6 points, i.e., guide plate 13 downward, direct jacking, at this time due to guide plate
Big, upward by one power of 13 bottom surface inclined-plane areas, 17 track of starter will move upward；Similarly rectify a deviation at ten two points
It can make 17 track of starter downward, be for right, left correction direction respectively at 9 points, 3 points.
Obviously, above-described embodiment is only intended to clearly illustrate made by outstanding feature of the invention and illustrates, and is not pair
The restriction of embodiment of the present invention；It, still can be on the basis of above explained use for those skilled in the art
It makes other variations or changes in different ways, if not carrying out inventive improvements to it, all belongs to the scope of protection of the present invention.
Claims (10)
1. a kind of tunnel Shed-pipe Advanced Support precise positioning system includes the guiding wall (3) and guiding wall (3) on the outside of tunnel chapelet face
The guide pipe (4) and supporting element (2) of internal respective tube canopy (1) setting, it is characterised in that: guide pipe (4) outer end is stretched out
It is oriented to wall (3), is removably connected with one group of laser positioning part (18) on the extension end (9) of guide pipe (4)；Guide pipe (4) is internal
Wear drilling equipment；The supporting element (2) is located at the lateral wall lower part of guide pipe (4) and long between parallel along guide pipe (4)
Every setting.
2. a kind of tunnel Shed-pipe Advanced Support precise positioning system according to claim 1, it is characterised in that: the laser positioning
Part (18) includes the positioning plate (19) of at least two panels parallel interval setting；Circular hole (20) are provided on the positioning plate (19)；It is described
Line corresponds to the center line of guide pipe (4) between circular hole (20)；The positioning plate (19) is rectangular, round or polygon；It is described to swash
Light-seeking part (18) is connected by connector (10) in the extension end (9) of guide pipe (4).
3. a kind of tunnel Shed-pipe Advanced Support precise positioning system according to claim 2, it is characterised in that: the connector
It (10) is sleeve, laser positioning part (18) interval is connected to sleeve inside bottom；Or connector (10) is item of the end with hook
Band, the hook are connected to the outer end of the extension end (9) of guide pipe (4), and laser (18) locating piece interval is connected to item and takes.
4. a kind of tunnel Shed-pipe Advanced Support precise positioning system according to claim 1, it is characterised in that: the supporting element
(2) transverse reinforced bar and/or longitudinally reinforced bar are connected between；The supporting element (2) is I-steel, H profile steel, channel steel or steel pipe；
Reinforcing rod is reinforcing bar or steel pipe.
5. a kind of tunnel Shed-pipe Advanced Support precise positioning system according to claim 1, it is characterised in that: the drilling equipment
Drilling rod (5) for drill bit (8) and with finite place piece (6).
6. a kind of tunnel Shed-pipe Advanced Support precise positioning system according to claim 4, it is characterised in that: the locating part
(6) at least two groups, parallel interval setting are in the lateral surface of drilling rod (5), and every group including at least two rectangular slabs and along drilling rod (5)
Annular uniform intervals setting, the height of rectangular slab adapt to the length that pipe canopy (1) branch apertured hole wall (7) arrive drilling rod (5)；Outside rectangular slab
Side is arc-shaped side, and radian adapts to hole wall (7).
7. a kind of tunnel Shed-pipe Advanced Support precise positioning system according to claim 6, it is characterised in that: the locating part
(6) the annular band plate to be arranged along drilling rod (5) lateral surface longitudinal gap；The endless belt board width adapts to pipe canopy (1) branch apertured
Hole wall (7) arrives the length of drilling rod (5).
8. a kind of construction method of tunnel Shed-pipe Advanced Support precise positioning system according to claim 7, which is characterized in that tool
Steps are as follows for body:
Step 1: installing angle based on pipe canopy (1), supporting element (2), horizontal and vertical reinforcer and guide pipe (4) are installed,
Then formwork for placing is set up；
Step 2: pouring guiding wall (3), setting position guide pipe (4) is surveyed in casting process；Step 3: being worn in guide pipe (4)
It inserts drill bit (8), guarantees drilling rod (5) outer locating part (6) fitting hole wall (7), carry out being drilled with for pipe canopy (1) pore；
Step 4: taking out drilling equipment, in overhanging end installation laser positioning part (18) of conduit, and laser range finder is used, made
Laser measures drilling distance by circular hole (20) on laser positioning part (18)；
Step 5: by measurement distance compared with designed distance, if departure requirement is not met, according to measurement distance and designed distance
It calculates the margin of error and angle is rectified a deviation；If measurement distance meets compared with designed distance or in allowable range of error, disassembly
Laser positioning part (18), continues to creep into；
Step 6: repetitive cycling step 3, to step 5, the branch apertured up to completing pipe canopy (1) is set.
9. a kind of construction method of tunnel Shed-pipe Advanced Support precise positioning system according to claim 8, it is characterised in that: bore
Into when correction, starter (17) is worn in the guide pipe (4) of step 3 and the body of rod is internally provided with the drilling rod of probe (16)
(5), it is adjusted according to the dilling angle of starter (17) on instrument display (15).
10. a kind of construction method of tunnel Shed-pipe Advanced Support precise positioning system according to claim 9, it is characterised in that:
The front end of the starter (17) is equipped with rectangular guide plate (13), and the angle of guide plate (13) and starter (17) adapts to bore
Into process variations angle, the probe (16) connects instrument display (15), measures the level angle of starter (17), in time
The angle change of starter (17) when display drilling.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811318645.4A CN109281688B (en) | 2018-11-07 | 2018-11-07 | Tunnel advanced pipe shed accurate positioning system and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811318645.4A CN109281688B (en) | 2018-11-07 | 2018-11-07 | Tunnel advanced pipe shed accurate positioning system and construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109281688A true CN109281688A (en) | 2019-01-29 |
| CN109281688B CN109281688B (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811318645.4A Active CN109281688B (en) | 2018-11-07 | 2018-11-07 | Tunnel advanced pipe shed accurate positioning system and construction method |
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| CN (1) | CN109281688B (en) |
Cited By (4)
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| CN110159308A (en) * | 2019-05-27 | 2019-08-23 | 中国五冶集团有限公司 | A kind of tunnel long pipe shed localization method |
| CN113153340A (en) * | 2021-04-29 | 2021-07-23 | 福建省亿方建设工程有限公司 | Down-through tunnel pilot tunnel construction method |
| CN114658449A (en) * | 2022-04-29 | 2022-06-24 | 中国一冶集团有限公司 | Tunnel underground excavation pipe shed guide pipe drilling construction precision control method |
| CN114961748A (en) * | 2022-06-23 | 2022-08-30 | 中铁九局集团第三建设有限公司 | Construction method of large pipe shed guide wall at tunnel opening of shallow tunnel |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159308A (en) * | 2019-05-27 | 2019-08-23 | 中国五冶集团有限公司 | A kind of tunnel long pipe shed localization method |
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| CN113153340A (en) * | 2021-04-29 | 2021-07-23 | 福建省亿方建设工程有限公司 | Down-through tunnel pilot tunnel construction method |
| CN114658449A (en) * | 2022-04-29 | 2022-06-24 | 中国一冶集团有限公司 | Tunnel underground excavation pipe shed guide pipe drilling construction precision control method |
| CN114961748A (en) * | 2022-06-23 | 2022-08-30 | 中铁九局集团第三建设有限公司 | Construction method of large pipe shed guide wall at tunnel opening of shallow tunnel |
| CN114961748B (en) * | 2022-06-23 | 2023-03-10 | 中铁九局集团第三建设有限公司 | Construction method of large pipe shed guide wall at tunnel opening of shallow tunnel |
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