CN109268042A - A kind of small pilot tunnel leading support equipment and construction method - Google Patents
A kind of small pilot tunnel leading support equipment and construction method Download PDFInfo
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- CN109268042A CN109268042A CN201811267935.0A CN201811267935A CN109268042A CN 109268042 A CN109268042 A CN 109268042A CN 201811267935 A CN201811267935 A CN 201811267935A CN 109268042 A CN109268042 A CN 109268042A
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- side wall
- arch
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- pilot tunnel
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- 238000010276 construction Methods 0.000 title claims abstract description 25
- 208000028804 PERCHING syndrome Diseases 0.000 claims abstract description 31
- 239000002689 soil Substances 0.000 claims abstract description 21
- 238000007569 slipcasting Methods 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 11
- 230000004323 axial length Effects 0.000 claims description 9
- 239000011796 hollow space material Substances 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 6
- 239000004567 concrete Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005266 casting Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 8
- 238000009412 basement excavation Methods 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000011378 shotcrete Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D13/00—Large underground chambers; Methods or apparatus for making them
-
- 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
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
-
- 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
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The present invention provides a kind of small pilot tunnel leading support equipment and construction method, belongs to subway station pilot tunnel technical field of construction.The equipment includes arch slotting template, side wall slotting template, rear support device and two push units, arch slotting template is located at the top bar of small pilot tunnel front end, and be connected by push unit A with the side wall slotting template got out of a predicament or an embarrassing situation, side wall slotting template is connected by push unit B with the rear support device of same level thereafter.The equipment is by taper bit and cuts the soil body that vault and side wall is respectively cut in native hobboing cutter, utilize spiral hobbing cutter casting, under the jacking effect of push unit, arch perching knife and side wall perching knife are rooted out and leave soil, and with liner structure thereafter formed it is closed build modular space, liner structure is then formed to slip casting is built in modular space by injected hole, reaches the 75% of design strength to liner structure, it is excavated, finally applies bottom plate.The construction method realizes the advance support before excavating, to reduce ground settlement.
Description
Technical field
The present invention relates to subway station pilot tunnel technical field of construction, particularly relates to a kind of small pilot tunnel leading support equipment and apply
Work method.
Background technique
With the surge of urban population, subway, which has become, solves the problems, such as a congested in traffic important means, in subway
In the construction process at station, cavern-pile method is not because it influences traffic above-ground, and compared to other excavating construction methods, to control earth's surface
It settles relatively preferable, and is keen to by numerous engineers and technicians, but passing through Important building group and engineering geology is complicated
When region, the requirement for further increasing settlement Control is still needed to.Analyze the settlement factors in cavern-pile method construction, it is known that main sedimentation comes
From in the excavation and support link of small pilot tunnel, is mainly constructed at present using benching tunnelling method in small pilot tunnel construction, first excavate and hung again
Net gunite, but since digging process needs the regular hour, and concrete reaches design strength there is still a need for the regular hour,
It is unsatisfactory for the requirement of timely quick supporting, is also meaned that, not can be effectively controlled ground settlement, for this problem, the present invention
It is proposed that a kind of small pilot tunnel leading support equipment and construction method form supporting by way of slotting slip casting before excavation
Structure effectively shortens the time carried from excavation to supporting construction, to reduce ground settlement to a certain extent.
Summary of the invention
The present invention is to solve the problems, such as that subsidence value is larger in existing pilot tunnel work progress, provides a kind of small pilot tunnel and props up in advance
Equipment and construction method are protected, this method can more efficiently control the ground settlement caused by constructing because of pilot tunnel, while one
Determine to improve speed of application in degree, saves construction cost.
The equipment includes arch slotting template, side wall slotting template, rear support device, push unit A and push unit B,
Arch slotting template is located at the top bar of small pilot tunnel front end, and arch slotting template is drawn by push unit A with the side wall got out of a predicament or an embarrassing situation
Slot template is connected, and side wall slotting template is connected by push unit B with the rear support device of same level after side wall slotting template.
Wherein, arch slotting template include taper bit, annular perching knife, transmission device A, arch shell, spiral hobbing cutter A,
Gearbox A, motor A, Grouting Pipe A, arch housing forward end are equipped with annular perching knife, annular perching knife outer diameter and arch housing outer diameter it
Difference is equal to lining thickness, is evenly arranged taper bit on annular perching knife, spiral hobbing cutter A is mounted on the interior of two arch springing of arch shell
Side, the roller bearing front end of spiral hobbing cutter A pass through the circumferential taper bit cutting soil of transmission device A driving, the roller bearing of spiral hobbing cutter A
Front end is equipped with taper bit, and the roller bearing rear end of spiral hobbing cutter A is connected by gearbox A with motor A, and Grouting Pipe A is arranged in
At the arch springing of arch housing rear end.
Side wall slotting template includes straight panels, side wall perching knife, cuts native hobboing cutter, transmission arm, spiral hobbing cutter B, gearbox B, electricity
Machine B, transmission device B and Grouting Pipe B, stalk front edge of board are equipped with side wall perching knife, the thickness of straight panels are higher by the outside of side wall perching knife
Equal to side wall thicknesses, the front that native hobboing cutter is evenly arranged in side wall perching knife by transmission arm is cut, cuts native hobboing cutter axial length and side
The width of wall perching knife is equal, and wherein to be that its top is adjacent cut native hobboing cutter axial length to the axial length for cutting native hobboing cutter of bottom
1.5~2 times, for spiral hobbing cutter B closely at the corner of straight panels, native rolling is cut by transmission device B driving in spiral hobbing cutter B roller bearing front end
Knife cuts soil, and spiral hobbing cutter B roller bearing rear end is connected by gearbox B with motor B, and Grouting Pipe B is mounted on the corner of straight panels rear end
Place, side wall slotting template are connected by tranverse connecting rod, form a rock-steady structure.
The equipment passes through the flexible forward movement of push unit A and push unit B.
Two hydraulic devices are installed at rear support device both ends, and hydraulic device piston rod top end is equipped with force application board, force application board
It is close to the side wall wall of small pilot tunnel both sides.
The construction method of the small pilot tunnel leading support equipment, comprises the following steps that
S1: being transported to working face for equipment each section, completes assembly, and push unit A and push unit B are placed in contraction-like
State, rear support device are in holding state；
S2: the motor A driving spiral hobbing cutter A of starting arch slotting template and taper bit work are cut in arcuate recess
The soil body is simultaneously discharged, and moves forward under the promotion of push unit A, until arch housing rear end leaves completed vault lining cutting knot
10~30 centimetres of structure；
S3: after completing S2, vault reinforced mesh is completed to the seam of vault liner structure from arch shell and rear immediately
Vault is filled in gap, is then formed by push unit A arch slotting template of pulling back with the completed vault liner structure in rear
One closed arched hollow space；
S4: slip casting in the arched hollow space formed by the Grouting Pipe A of two sides into S3, the volume for injecting slurries is that arch is empty
1.5~2 times of cavity volume close Grouting Pipe A after slip casting；
S5: the motor B driving spiral hobbing cutter B of starting side wall slotting template works with native hobboing cutter is cut, and passes through elongation passage
Device B and retraction push unit A, moves forward side wall slotting template, until pulling open 10~30 lis with the completed side wall in rear
Rice；
S6: after completing S5, reinforced mesh is filled in side wall cavity immediately, and side wall slotting template of pulling back, with rear portion side
Wall forms a closed side wall cavity；
S7: the volume of slurries is injected in slip casting in the side wall cavity formed by the Grouting Pipe B at straight panels foundation into S6
It is 1.5~2 times of side wall cavity volume, Grouting Pipe B is closed after slip casting；
S8: rear support device release, and by retraction push unit B, it draws move rear support device forward, reach corresponding position
Afterwards, it is loaded again to two sides hydraulic device, supports the side wall of small pilot tunnel both sides；
S9: the bottom plate at rear support device rear is applied；
S10: excavating the soil body of arch case inside, then excavates the soil body folded between two straight panels；
S11: when the concrete strength of vault and side wall reaches the 75% of design strength, above-mentioned S2~S10 process is repeated
It is recycled into next construction.
The advantageous effects of the above technical solutions of the present invention are as follows:
1, leading support equipment of the present invention and construction method, effective control is because of the earth's surface caused by pilot tunnel construction
Sedimentation, while speed of application is accelerated to a certain extent, landing ash is avoided, engineering material is saved；
2, leading support equipment of the present invention and construction method, changing whitewashing is slip casting, largely improves and applies
Work environment, and mud jacking can be carried out during slip casting, there is jacking effect to the soil body；
3, leading support equipment of the present invention and construction method, liner structure reach design strength 75% it
Before, template has supporting role to upper part soil body, reduces the sedimentation of upper part soil body during liner structure solidifies.
Detailed description of the invention
Fig. 1 is small pilot tunnel leading support equipment general illustration of the invention；
Fig. 2 is arch slotting template schematic diagram in the small pilot tunnel leading support equipment of the present invention；
Fig. 3 is side wall slotting template schematic diagram in the small pilot tunnel leading support equipment of the present invention；
Fig. 4 is equipment arrangement schematic diagram in the small pilot tunnel leading support equipment of the present invention；
Fig. 5 is A-A cross-section diagram in Fig. 4；
Fig. 6 is B-B cross-section diagram in Fig. 4；
Fig. 7 is side wall slotting template top view in the small pilot tunnel leading support equipment of the present invention；
Fig. 8 is arch slotting template vault sectional view in the small pilot tunnel leading support equipment of the present invention；
Fig. 9 is rear support device schematic diagram in the small pilot tunnel leading support equipment of the present invention；
Figure 10 is taper bit schematic diagram in the small pilot tunnel leading support equipment of the present invention；
Figure 11 is to cut native hobboing cutter schematic diagram in the small pilot tunnel leading support equipment of the present invention.
Wherein: 1- arch slotting template；2- push unit A；3- side wall slotting template；4- push unit B；5- rear support dress
It sets；The 6- soil body；7- reinforced mesh；8- vault reinforced mesh；9- vault liner structure；101- taper bit；102- spiral hobbing cutter
A；103- Grouting Pipe A；104- gearbox A；105- transmission device A；106- annular perching knife；107- arch shell；108- motor A；
301- motor B；302- gearbox B；303- spiral hobbing cutter B；304- transmission device B；305- cuts native hobboing cutter；306- transmission arm；
307- side wall perching knife；308- straight panels；309- Grouting Pipe B.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
The present invention provides a kind of small pilot tunnel leading support equipment and construction method.
As shown in Figure 1, the equipment includes arch slotting template 1, side wall slotting template 3, rear support device 5, push unit
A2 and push unit B4, arch slotting template 3 are located at the top bar of small pilot tunnel front end, and arch slotting template 3 passes through push unit
A2 is connected with the side wall slotting template 3 got out of a predicament or an embarrassing situation, and side wall slotting template 3 passes through same after push unit B4 and side wall slotting template 3
Horizontal rear support device 5 is connected.
As shown in Figure 2 and Figure 8, arch slotting template 1 include taper bit 101, annular perching knife 106, transmission device A105,
Arch shell 107, spiral hobbing cutter A102, gearbox A104, motor A108, Grouting Pipe A103,107 front end of arch shell are equipped with
The difference of annular perching knife 106, annular 106 outer diameter of perching knife and 107 outer diameter of arch shell is equal to lining thickness, on annular perching knife 106
Even arrangement taper bit 101,101 structure of taper bit is as shown in Figure 10, and spiral hobbing cutter A102 is mounted on 107 liang of arch shell arches
The inside of foot, the roller bearing front end of spiral hobbing cutter A102 pass through circumferential 101 cutting soil of taper bit of transmission device A105 driving,
The roller bearing front end of spiral hobbing cutter A102 is equipped with taper bit 101, and the roller bearing rear end of spiral hobbing cutter A102 passes through gearbox
A104 is connected with motor A108, and Grouting Pipe A103 is arranged at the arch springing of 107 rear end of arch shell.
As shown in Figure 3 and Figure 7, side wall slotting template 3 includes straight panels 308, side wall perching knife 307, cuts native hobboing cutter 305, passes
Swing arm 306, spiral hobbing cutter B303, gearbox B302, motor B301, transmission device B304 and Grouting Pipe B309, before straight panels 308
End is equipped with side wall perching knife 307, and the thickness that straight panels 308 are higher by the outside of side wall perching knife 307 is equal to side wall thicknesses, cuts native hobboing cutter
305 are evenly arranged in the front of side wall perching knife 307 by transmission arm 306, cut native hobboing cutter 305 as shown in figure 11, cut native hobboing cutter 305
Axial length is equal with the width of side wall perching knife 307, and wherein the axial length for cutting native hobboing cutter 305 of bottom is that its top is adjacent
1.5~2 times for cutting native hobboing cutter axial length, spiral hobbing cutter B303 is closely at the corner of straight panels 308, spiral hobbing cutter B303 roller bearing
Front end cuts native hobboing cutter 305 by transmission device B304 driving and cuts soil, spiral hobbing cutter B303 roller bearing rear end by gearbox B302 with
Motor B301 is connected, and Grouting Pipe B309 is mounted at the corner of 308 rear end of straight panels, and side wall slotting template 3 is connected by tranverse connecting rod
It connects, forms a rock-steady structure.
In actual design, as shown in figure 9, two hydraulic devices, hydraulic device piston rod are installed in 5 both ends of rear support device
Top is equipped with force application board, and force application board is close to the side wall wall of small pilot tunnel both sides.
As shown in Figure 4, Figure 5 and Figure 6, equipment is arranged as illustrated, and the concrete construction method of the equipment is as follows:
S1: being transported to working face for equipment each section, completes assembly, and push unit A2 and push unit B4 are placed in contraction-like
State, rear support device 5 are in holding state；
S2: the motor A108 driving spiral hobbing cutter A102 and taper bit 101 of starting arch slotting template 1 work, cutting
The soil body 6 in arcuate recess is simultaneously discharged, and moves forward under the promotion of push unit A2, until 107 rear end of arch shell is left
9 10~20 centimetres of the vault liner structure of completion；
S3: after completing S2, vault liner structure 9 is completed from arch shell 107 and rear in vault reinforced mesh 8 immediately
Gap in fill in vault, then pulled back arch slotting template 1 and the completed vault lining cutting knot in rear by push unit A2
Structure 9 forms a closed arched hollow space；
S4: slip casting in the arched hollow space formed by the Grouting Pipe A103 of two sides into S3 injects the volume of slurries for arch
1.5~2 times of shape cavity volume close Grouting Pipe A103 after slip casting；
S5: the motor B301 driving spiral hobbing cutter B303 of starting side wall slotting template 3 works with native hobboing cutter 305 is cut, and leads to
Elongation push unit B4 and retraction push unit A2 are crossed, side wall slotting template 3 is moved forward, until with the completed side wall in rear
Pull open 10~20 centimetres；
S6: after completing S5, reinforced mesh 7 is filled in side wall cavity immediately, and side wall slotting template 3 of pulling back, with rear portion
Side wall forms a closed side wall cavity；
S7: slurries are injected in slip casting in the side wall cavity formed by the Grouting Pipe B309 at 308 foundation of straight panels into S6
Volume be 1.5~2 times of side wall cavity volume, Grouting Pipe B309 is closed after slip casting；
S8: 5 release of rear support device, and by retraction push unit B4, it draws move rear support device 5 forward, reach corresponding
Behind position, is loaded again to two sides hydraulic device, support the side wall of small pilot tunnel both sides；
S9: the bottom plate at 5 rear of rear support device is applied；
S10: the soil body of 107 inside of arch shell is excavated, the soil body folded between two straight panels 308 is then excavated；
S11: when the concrete strength of vault and side wall reaches the 75% of design strength, above-mentioned S2~S10 process is repeated
It is recycled into next construction.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, several improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of small pilot tunnel leading support equipment, it is characterised in that: including arch slotting template (1), side wall slotting template (3),
Rear support device (5), push unit A (2) and push unit B (4), arch slotting template (3) are located at appearing on the stage for small pilot tunnel front end
Rank, arch slotting template (3) are connected by push unit A (2) with the side wall slotting template (3) got out of a predicament or an embarrassing situation, side wall slotting template
(3) it is connected by the rear support device (5) of push unit B (4) and side wall slotting template (3) same level afterwards.
2. small pilot tunnel leading support equipment according to claim 1, it is characterised in that: arch slotting template (1) packet
It includes taper bit (101), annular perching knife (106), transmission device A (105), arch shell (107), spiral hobbing cutter A (102), become
Fast case A (104), motor A (108), Grouting Pipe A (103), arch shell (107) front end are equipped with annular perching knife (106), annular
The difference of perching knife (106) outer diameter and arch shell (107) outer diameter is equal to lining thickness, is evenly arranged taper on annular perching knife (106)
Drill bit (101), spiral hobbing cutter A (102) are mounted on the inside of (107) two arch springing of arch shell, the roller bearing of spiral hobbing cutter A (102)
Front end passes through circumferential taper bit (101) cutting soil of transmission device A (105) driving, before the roller bearing of spiral hobbing cutter A (102)
End is equipped with taper bit (101), and the roller bearing rear end of spiral hobbing cutter A (102) passes through gearbox A (104) and motor A (108)
It is connected, Grouting Pipe A (103) is arranged at the arch springing of arch shell (107) rear end.
3. small pilot tunnel leading support equipment according to claim 1, it is characterised in that: side wall slotting template (3) packet
It includes straight panels (308), side wall perching knife (307), cut native hobboing cutter (305), transmission arm (306), spiral hobbing cutter B (303), gearbox B
(302), motor B (301), transmission device B (304) and Grouting Pipe B (309), straight panels (308) front end are equipped with side wall perching knife
(307), the thickness that straight panels (308) are higher by the outside of side wall perching knife (307) is equal to side wall thicknesses, cuts native hobboing cutter (305) and passes through biography
Swing arm (306) is evenly arranged in the front of side wall perching knife (307), cuts native hobboing cutter (305) axial length and side wall perching knife (307)
Width is equal, and wherein the axial length for cutting native hobboing cutter (305) of bottom cuts the 1.5 of native hobboing cutter axial length to be adjacent above it
~2 times, for spiral hobbing cutter B (303) closely at the corner of straight panels (308), spiral hobbing cutter B (303) roller bearing front end passes through transmission dress
It sets B (304) driving and cuts native hobboing cutter (305) and cut soil, spiral hobbing cutter B (303) roller bearing rear end passes through gearbox B (302) and motor B
(301) it is connected, Grouting Pipe B (309) is mounted at the corner of straight panels (308) rear end, and side wall slotting template (3) passes through tranverse connecting rod
Connection, forms a rock-steady structure.
4. small pilot tunnel leading support equipment according to claim 1, it is characterised in that: the equipment passes through push unit A (2)
With the flexible forward movement of push unit B (4).
5. small pilot tunnel leading support equipment according to claim 1, it is characterised in that: rear support device (5) both ends
Two hydraulic devices are installed, hydraulic device piston rod top end is equipped with force application board, and force application board is close to the side wall wall of small pilot tunnel both sides
Wall.
6. the construction method of small pilot tunnel leading support equipment according to claim 1, it is characterised in that: such as including step
Under:
S1: being transported to working face for equipment each section, completes assembly, and push unit A (2) and push unit B (4) are placed in contraction-like
State, rear support device (5) are in holding state；
S2: motor A (108) driving spiral hobbing cutter A (102) of starting arch slotting template (1) and taper bit (101) work,
It cuts the soil body (6) in arcuate recess and is discharged, moved forward under the promotion of (2) push unit A, until arch shell (107)
Leave (9) 10~30 centimetres of completed vault liner structure in rear end；
S3: after completing S2, vault liner structure is completed from arch shell (107) and rear in vault reinforced mesh (8) immediately
(9) vault is filled in gap, is then pulled back arch slotting template (1) and the completed vault in rear by push unit A (2)
Liner structure (9) forms a closed arched hollow space；
S4: slip casting in the arched hollow space formed by the Grouting Pipe A (103) of two sides into S3, the volume for injecting slurries is arch
1.5~2 times of cavity volume close Grouting Pipe A (103) after slip casting；S5: the motor B of starting side wall slotting template (3)
(301) spiral hobbing cutter B (303) are driven and cut native hobboing cutter (305) work, and pass through elongation push unit B (4) and retraction passage dress
It sets A (2), moves forward side wall slotting template (3), until pulling open 10~30 centimetres with the completed side wall in rear；
S6: after completing S5, reinforced mesh (7) is filled in side wall cavity immediately, and side wall slotting template (3) of pulling back, with rear portion
Side wall forms a closed side wall cavity；
S7: slurries are injected in slip casting in the side wall cavity formed by the Grouting Pipe B (309) at straight panels (308) foundation into S6
Volume be 1.5~2 times of side wall cavity volume, close Grouting Pipe B (309) after slip casting；
S8: rear support device (5) release, and by retraction push unit B (4), it draws move rear support device (5) forward, reach phase
After answering position, is loaded again to two sides hydraulic device, support the side wall of small pilot tunnel both sides；
S9: the bottom plate at rear support device (5) rear is applied；
S10: excavating the soil body on the inside of arch shell (107), then excavates the soil body folded between two straight panels (308)；
S11: it when the concrete strength of vault and side wall reaches the 75% of design strength, repeats above-mentioned S2~S10 process and enters
Next construction circulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811267935.0A CN109268042B (en) | 2018-10-29 | 2018-10-29 | Small pilot tunnel advanced support equipment and construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811267935.0A CN109268042B (en) | 2018-10-29 | 2018-10-29 | Small pilot tunnel advanced support equipment and construction method |
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| CN109268042B CN109268042B (en) | 2024-05-28 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111425206A (en) * | 2020-03-31 | 2020-07-17 | 义煤集团永兴工程有限责任公司 | Machine for digging tunnel wall arc top |
| CN111485888A (en) * | 2019-12-26 | 2020-08-04 | 中铁第六勘察设计院集团有限公司 | Prefabricated block-by-block lining tunnel system and implementation method |
| CN112127910A (en) * | 2020-09-21 | 2020-12-25 | 北京市市政工程研究院 | Tunnel construction extra-front supporting sheath arch structure |
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|---|---|---|---|---|
| JPH0874500A (en) * | 1994-09-08 | 1996-03-19 | Ohbayashi Corp | Tunnel arch part lining form device |
| KR101483939B1 (en) * | 2014-01-21 | 2015-01-20 | 유인자 | Excavation Propulsion Apparatus of Underground Concrete Structure on Segement Construction Base |
| CN104500077A (en) * | 2014-12-10 | 2015-04-08 | 中铁二十局集团有限公司 | Construction method for enabling shallowly buried and darkly excavated tunnel to pass through cottage area |
| CN104564128A (en) * | 2014-12-10 | 2015-04-29 | 中铁二十局集团有限公司 | Deformation monitoring method for shallow-buried excavation tunnel construction |
| CN105626083A (en) * | 2016-01-07 | 2016-06-01 | 安徽省交通控股集团有限公司 | Construction method for permeable ribbed multiple-arch tunnel |
| CN209115129U (en) * | 2018-10-29 | 2019-07-16 | 中铁十六局集团地铁工程有限公司 | A kind of small pilot tunnel leading support equipment |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111485888A (en) * | 2019-12-26 | 2020-08-04 | 中铁第六勘察设计院集团有限公司 | Prefabricated block-by-block lining tunnel system and implementation method |
| CN111425206A (en) * | 2020-03-31 | 2020-07-17 | 义煤集团永兴工程有限责任公司 | Machine for digging tunnel wall arc top |
| CN112127910A (en) * | 2020-09-21 | 2020-12-25 | 北京市市政工程研究院 | Tunnel construction extra-front supporting sheath arch structure |
| CN112127910B (en) * | 2020-09-21 | 2022-11-08 | 北京市市政工程研究院 | Tunnel construction extra-front supporting sheath arch structure |
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