CN108590679A - Utilize the construction method for walking support truck jumbo overlapping tunnel - Google Patents
Utilize the construction method for walking support truck jumbo overlapping tunnel Download PDFInfo
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- CN108590679A CN108590679A CN201810346393.XA CN201810346393A CN108590679A CN 108590679 A CN108590679 A CN 108590679A CN 201810346393 A CN201810346393 A CN 201810346393A CN 108590679 A CN108590679 A CN 108590679A
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- 238000010276 construction Methods 0.000 title claims abstract description 33
- 238000007569 slipcasting Methods 0.000 claims abstract description 14
- 238000005259 measurement Methods 0.000 claims abstract description 11
- 238000012544 monitoring process Methods 0.000 claims abstract description 11
- 239000013589 supplement Substances 0.000 claims abstract description 10
- 238000009416 shuttering Methods 0.000 claims description 53
- 241001669679 Eleotris Species 0.000 claims description 13
- 230000005641 tunneling Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 239000002002 slurry Substances 0.000 claims description 5
- 238000009412 basement excavation Methods 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 239000004568 cement Substances 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 abstract description 7
- 230000003137 locomotive effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 241000736199 Paeonia Species 0.000 description 1
- 235000006484 Paeonia officinalis Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000243 solution Substances 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
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
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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
- 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
- E21D11/08—Lining with building materials with preformed concrete slabs
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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
- E21D11/04—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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/14—Telescopic props
- E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/08—Advancing mechanisms
-
- 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
- E21D9/14—Layout of tunnels or galleries; Constructional features of tunnels or galleries, not otherwise provided for, e.g. portals, day-light attenuation at tunnel openings
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
Being related to field using the construction method for walking support truck jumbo overlapping tunnel the invention discloses a kind of, it is main to utilize the construction method for walking support truck jumbo overlapping tunnel, which is characterized in that including having the following steps：The first step, lower part tunnel piercing；Second step, the secondary supplement slip casting of lower part tunnel；Third walks, the assembling of lower part support of tunnel trolley；4th step, lower part tunnel monitoring measurement；5th step, top tunnel piercing；6th step, support trolley change step Forward with top tunnel piercing, support trolley fast in the assembling of lower part tunnel to realize to walk, easy to operate, and do not influence the horizontal transport of battery locomotive, realize tunnel synchronous construction up and down, the faster function of construction speed.
Description
Technical field
The present invention relates to a kind of using the construction method for walking support truck jumbo overlapping tunnel, relates generally to overlapping tunnel
Construction method field.
Background technology
With the needs of increasing and city traffic congestion objective situation that country puts into infrastructure, China tunnel and
Underground engineering construction is in the ascendant.Especially subway is limited by surrounding enviroment, the increase of urban mass transit network, changes to vehicle
That stands increases, and the application example of overlapping tunnel is more and more.The successful example of the existing part shield overlapping tunnel construction in the country, such as
Shenzhen Subway Line 1, No. 3 lines, No. 5 lines etc. that the tunnels Zhong Tie group completes, basically form the working procedure of " getting on, get off ", build
Correlative study method and conclusion are found.Because of different geology, the hydrology and overlap mode, construction mechanics behavior, to surrounding enviroment
It influences deformation rule and there is larger difference, research is still in from case and rises to the system of systems stage.Such as Chongqing City's track
Clear spacing is minimum up and down for 5104 bid section overlapping tunnel of No. five lines of traffic, and construction mechanics behavior is indefinite, either geological conditions, week
The difficulty of design and construction of surrounding environment complex condition shield overlapping tunnel reaches higher level.
The construction equipment that trolley is common is supported in work progress at present, supporting table car owner will be by body frame, support shuttering, liquid
The part such as pressure system, running gear, lower part template Lift-on/Lift-off System forms, but different construction technologies is for supporting trolley wherein
The effect of a performance has a larger gap, how by its it is significantly more efficient with it in the construction process, realize that support is more preferable
Stressed effect, improve construction efficiency be current urgent problem.
Invention content
For the above the deficiencies in the prior art, the present invention proposes that a kind of utilize walks applying for support truck jumbo overlapping tunnel
Work method is walked support trolley and is assembled soon in lower part tunnel, easy to operate, and does not influence the horizontal transport of battery locomotive, realizes
Upper and lower tunnel synchronous construction, construction speed are very fast.
In order to achieve the above objectives, the technical scheme is that：Utilize the construction for walking support truck jumbo overlapping tunnel
Method, which is characterized in that including having the following steps：The first step, lower part tunnel piercing；Second step, lower part tunnel secondary supplement note
Slurry；Third walks, the assembling of lower part support of tunnel trolley；4th step, lower part tunnel monitoring measurement；5th step, top tunnel piercing；The
Six steps, support trolley change step Forward with top tunnel piercing.
Further, lower part tunnel piercing carries out secondary supplement slip casting, every 5 ring in final section trailer to tunnel top simultaneously
In section of jurisdiction behind, pressure injection dual slurry forms closing reinforcing ring, and lower part tunnel-liner is made to form segment, and secondary grouting is net using cement
Slurry, the ratio of mud 0.6:1, grouting pressure controls within 1Mpa.
Further, tunnel monitoring measurement project in lower part is：Tunnel horizontal clearance convergence, tunnel deformation measurement, ground settlement
And axial force of the supports.
Further, after the completion of waiting for that lower part tunnel surmounts twice of top tunnel shield machine length and supplement slip casting and monitoring measurement
Start top set of tunneling construction, mileage up and down is carried out in excavation work and is confirmed, it is ensured that top tunneling shield host is in supporting table
Vehicle supports in range, establishes perfect communication system, shield host driving is by time moving forward support after first group of support, really
Top tunnel is protected continuously to tunnel.
Further, after the completion of first group of five rings support shuttering assembling, debugging, body frame and first group of support shuttering separation, by
Body frame running gear drives, and body frame is moved to next group of shuttering supporting position, is operated with second step, allows second group of five rings branch hold mode
Plate, a closed domain is formed per ring support shuttering with bottom sleeper itself, and third group branch hold mode is debugged according to same scheme
Plate.
Further, when top tunneling shield is tunneled to second group of template top position, hydraulic system is operated, by body frame and the
Three groups of support shuttering separation, are driven, body frame is moved to first group of shuttering supporting position to tunnel rear end, tears open by body frame running gear
Except first group of support shuttering upper screw rod, using body frame lifting cylinder, side mould oil cylinder, the electric block the effects that under by first group of mould
Plate demoulds, and minimum state is retracted to tunnel centerline direction.
Further, after the completion of first group of template receives mould, sleeper and rail are laid in advance in third group template front end, are operated
Body frame running gear drives body frame and first group of template that second and third group of template, body frame is passed through to be moved to the 4th group of template position,
First group of template installed using lifting cylinder, side mould oil cylinder, bed die oil cylinder allow in place support shuttering and concrete pipe sheet as possible
Fitting, and the certain external force of pre-add, ensure this group of five rings support shuttering, form an envelope with bottom sleeper itself per ring support shuttering
The domain closed, when shield continue driving recycle to next support when, repeatedly second and third, four steps, allow support shuttering replace forward.
The present invention technical principle and have the beneficial effect that：Design support trolley supports ranging from 3 times of shield host length
(being divided into 3 groups of support shutterings), trolley itself configuration motor, hydraulic system, the achievable automatic moving such as walk track walk support
Trolley is fast in the assembling of lower part tunnel, easy to operate, and does not influence the horizontal transport of battery locomotive, realizes tunnel up and down and synchronizes and applies
Work, construction speed is very fast, and lower part support of tunnel trolley is to carry out auxiliary stress to tunnel segment structure, reduces top constructing tunnel under
Portion has been molded the influence of Structural Test of Tunnel Segments.And section of jurisdiction stress is easily deformed position and is predominantly bolted place, for connection
Realize that synchronous support trolley is gamut support, and passes through support shuttering, support telescopic system using synchronous support trolley in position
System, support and control system realize itself walking and persistently provide support force forward.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, embodiment will be described below
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description be only the present invention wherein
Two width for those of ordinary skill in the art without having to pay creative labor, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is the buttress and track installation figure of the embodiment of the present invention；
Fig. 2 is that the rack of the embodiment of the present invention supports positioning states and first group of shuttering supporting figure；
Fig. 3 is the support shuttering retracted state figure of the embodiment of the present invention；
Fig. 4 is that the support shuttering of the embodiment of the present invention walks state；
Fig. 5 is the support shuttering holding state figure of the embodiment of the present invention.
Specific implementation mode
Below in conjunction with attached drawing, the technical solution in the present invention is clearly and completely described, it is clear that described
Embodiment is only presently preferred embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field
The every other embodiment that those of ordinary skill is obtained without making creative work, belongs to protection of the present invention
Range.
Embodiment
1 lower part tunnel piercing and the secondary supplement slip casting of section of jurisdiction behind
Lower part tunnel piercing is carried out first, while secondary supplement slip casting is carried out to tunnel top in final section trailer.Two
Secondary slip casting puts into 1 slip casting machine, assists moving with trailer, slip casting uses common slip casting machine, to its tunnel segment structure during slip casting
It is monitored, to ensure that grouting quality, every 5 ring form closing reinforcing ring in section of jurisdiction behind pressure injection dual slurry, lower part tunnel made to serve as a contrast
Block forms segment.Secondary grouting uses cement paste, the ratio of mud 0.6:1, grouting pressure controls within 1Mpa.
2 lower part support of tunnel trolley assemblings
2.1 lower part support of tunnel construction technologies
Lower part support of tunnel trolley is to carry out auxiliary stress to tunnel segment structure, reduce top constructing tunnel to lower part at
The influence of type Structural Test of Tunnel Segments.And section of jurisdiction stress is easily deformed position and is predominantly bolted place, for link position, uses
Synchronous support trolley realizes that synchronous support trolley is gamut support, and is controlled by support shuttering, support telescopic system, support
System processed realizes itself walking and persistently provides support force forward.
2.2 walk support trolley Construction of Supporting
Supporting table car owner will be by parts such as body frame, support shuttering, hydraulic system, running gear, lower part template Lift-on/Lift-off Systems
Composition.
2.3 supporting trolley assembling
2.3.1 sleeper is arranged in tunnel both rail both sides longitudinal pitch 1500mm, and install according to trolley rail away from 2400mm
43 rail ensure that walking rails center line should be overlapped with tunnel center line, are laid with error and are not greater than 30mm, rail 10m as possible
Straight line error is no more than 15mm in range, is then supported sleeper with lead screw, such as Fig. 1.
2.3.2 synchronous support main bogie frame installation is ready, recycles lifting cylinder, side mould oil cylinder, bed die oil cylinder by first
Group template installation is in place, then utilizes lead screw to support shuttering progress local directed complete set, allow support shuttering and concrete pipe sheet as possible
Fitting, and the certain external force of pre-add, ensure this group of five rings support shuttering, every ring support shuttering (5 pieces) and bottom sleeper (2 pieces) itself
A closed domain is formed, to be protected to concrete pipe sheet, as shown in Figure 2.
2.3.3 after the completion of first group of five rings support shuttering assembling, debugging, body frame and first group of support shuttering separation, by leading
Frame running gear drives, and body frame is moved to next group of shuttering supporting position, is operated with second step, allows second group of five rings branch hold mode
Plate forms a closed domain per ring support shuttering (5 pieces) and bottom sleeper (2 pieces) itself, according to same scheme debugging the
Three groups of support shutterings.
3 lower part tunnel monitoring measurements
Overlapping tunnel construction monitoring project is：Tunnel horizontal clearance convergence, tunnel deformation measure, earth's surface (ground) settles,
Axial force of the supports.
Monitoring project and requirement are as follows：
4 top tunnel piercings
Wait for lower part tunnel surmount twice of top tunnel shield machine length and supplement slip casting and monitoring measurement after the completion of start on
Portion's set of tunneling construction.It carries out mileage up and down in excavation work to confirm, it is ensured that top tunneling shield host is in support trolley support
In range.Perfect communication system is established, shield host driving is by time moving forward support after first group of support, it is ensured that top
Tunnel continuously tunnels.
5 support trolleys change step Forward with top tunnel piercing
When 5.1 top tunneling shields are tunneled to second group of template top position, hydraulic system is operated, by body frame and third group
Support shuttering detaches, and is driven by body frame running gear, and body frame is moved to first group of shuttering supporting position to tunnel rear end, removes the
One group of support shuttering upper screw rod, using body frame lifting cylinder, side mould oil cylinder, the electric block the effects that under first group of template is taken off
Mould is retracted to minimum state, as shown in Figure 3 to tunnel centerline direction.
After the completion of 5.2 first groups of templates receive mould, sleeper and rail are laid in advance in third group template front end, operates body frame
Running gear drives body frame and first group of template that second and third group of template, body frame is passed through to be moved to the 4th group of template position, utilizes
First group of template installation is allowed support shuttering and concrete pipe sheet to be bonded as possible by lifting cylinder, side mould oil cylinder, bed die oil cylinder in place,
And the certain external force of pre-add, ensure this group of five rings support shuttering, is formed with bottom sleeper (2 pieces) itself per ring support shuttering (5 pieces)
One closed domain.As shown in Figure 4 and Figure 5.
5.3 when shield continue driving recycle to next support when, repeatedly second and third, four steps, allow support shuttering replace to
Before.
5.4 support shuttering trolley control measure
5.4.1 use supporting table Chinese herbaceous peony, go through whether each section bolt has screwed, fluid pressure line whether oil leak, liquid
Press each functional component whether working properly, whether each relative movement part has the problems such as stuck phenomenon, and is handled in time；Shield
While structure excavation operation, support shuttering is allowed alternately to be carried forward support.
5.4.2 support shuttering and concrete pipe sheet are bonded as possible, and the certain external force of pre-add, ensure per ring support shuttering with
Bottom sleeper itself forms a closed domain, is protected to concrete pipe sheet；Meanwhile in tunneling process, to supporting table
Vehicle stress is monitored at any time.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (7)
1. utilizing the construction method for walking support truck jumbo overlapping tunnel, which is characterized in that including having the following steps：
The first step, lower part tunnel piercing；
Second step, the secondary supplement slip casting of lower part tunnel；
Third walks, the assembling of lower part support of tunnel trolley；
4th step, lower part tunnel monitoring measurement；
5th step, top tunnel piercing；
6th step, support trolley change step Forward with top tunnel piercing.
2. according to claim 1 utilize the construction method for walking support truck jumbo overlapping tunnel, it is characterised in that：Under
Portion's tunnel piercing carries out secondary supplement slip casting in final section trailer to tunnel top simultaneously, and every 5 ring is double in section of jurisdiction behind pressure injection
Slurry forms closing reinforcing ring, and lower part tunnel-liner is made to form segment, and secondary grouting uses cement paste, the ratio of mud 0.6:1, note
Pressure control is starched within 1Mpa.
3. according to claim 1 utilize the construction method for walking support truck jumbo overlapping tunnel, it is characterised in that：Under
Portion's tunnel monitoring measurement project is：Tunnel horizontal clearance convergence, tunnel deformation measurement, ground settlement and axial force of the supports.
4. according to claim 1 utilize the construction method for walking support truck jumbo overlapping tunnel, it is characterised in that：It waits for
Lower part tunnel starts top tunnel piercing after the completion of surmounting twice of top tunnel shield machine length and supplement slip casting and monitoring measurement
It constructs, mileage up and down is carried out in excavation work and is confirmed, it is ensured that top tunneling shield host is in support trolley support range, foundation
Perfect communication system, shield host driving is by time moving forward support after first group of support, it is ensured that top tunnel is continuously dug
Into.
5. according to claim 1 utilize the construction method for walking support truck jumbo overlapping tunnel, it is characterised in that：The
After the completion of one group of five rings support shuttering assembling, debugging, body frame and first group of support shuttering separation are driven by body frame running gear,
Body frame is moved to next group of shuttering supporting position, is operated with second step, allows second group of five rings support shuttering, per ring support shuttering with
Bottom sleeper itself forms a closed domain, and third group support shuttering is debugged according to same scheme.
6. according to claim 1 utilize the construction method for walking support truck jumbo overlapping tunnel, it is characterised in that：On
When portion's tunneling shield is tunneled to second group of template top position, hydraulic system is operated, body frame and third group support shuttering are detached,
It is driven by body frame running gear, body frame is moved to first group of shuttering supporting position to tunnel rear end, removes first group of support shuttering
Upper screw rod, using body frame lifting cylinder, side mould oil cylinder, the electric block the effects that under first group of template is demoulded, into tunnel
Heart line direction is retracted to minimum state.
7. according to claim 1 utilize the construction method for walking support truck jumbo overlapping tunnel, it is characterised in that：The
After the completion of one group of template receives mould, sleeper and rail are laid in advance in third group template front end, operates body frame running gear, driving
Body frame and first group of template pass through second and third group of template, body frame to be moved to the 4th group of template position, utilize lifting cylinder, Bian Mo
First group of template installation is allowed support shuttering and concrete pipe sheet to be bonded as possible by oil cylinder, bed die oil cylinder in place, and pre-add is centainly outer
Power ensures this group of five rings support shuttering, and a closed domain is formed per ring support shuttering and bottom sleeper itself, wait for shield after
When continuous driving recycle to next support, repeat second and third, four steps, allow support shuttering to replace forward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810346393.XA CN108590679A (en) | 2018-04-18 | 2018-04-18 | Utilize the construction method for walking support truck jumbo overlapping tunnel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810346393.XA CN108590679A (en) | 2018-04-18 | 2018-04-18 | Utilize the construction method for walking support truck jumbo overlapping tunnel |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108240226A (en) * | 2018-02-11 | 2018-07-03 | 济南轨道交通集团有限公司 | Closely overlapping subway tunnel synchronized construction reserves shield sky and pushes away condition construction method |
| CN109322688A (en) * | 2018-10-26 | 2019-02-12 | 林翠英 | Soft rock tunnel, which is got out of a predicament or an embarrassing situation, excavates the hydraulic collateral support arrangement of anti-settling convergence |
| CN109519199A (en) * | 2018-12-12 | 2019-03-26 | 中铁十四局集团有限公司 | A kind of duct pieces of shield tunnel support trolley |
| CN109611156A (en) * | 2018-12-28 | 2019-04-12 | 中铁隧道集团三处有限公司 | A kind of monitoring method of overlapping tunnel information-aided construction |
| CN115773137A (en) * | 2023-01-29 | 2023-03-10 | 北京建工土木工程有限公司 | Tunnel stress compensation device for small-clear-distance shield tunnel construction and construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108240226A (en) * | 2018-02-11 | 2018-07-03 | 济南轨道交通集团有限公司 | Closely overlapping subway tunnel synchronized construction reserves shield sky and pushes away condition construction method |
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| CN109322688A (en) * | 2018-10-26 | 2019-02-12 | 林翠英 | Soft rock tunnel, which is got out of a predicament or an embarrassing situation, excavates the hydraulic collateral support arrangement of anti-settling convergence |
| CN109519199A (en) * | 2018-12-12 | 2019-03-26 | 中铁十四局集团有限公司 | A kind of duct pieces of shield tunnel support trolley |
| CN109519199B (en) * | 2018-12-12 | 2024-05-31 | 中铁十四局集团有限公司 | Shield tunnel segment supporting trolley |
| CN109611156A (en) * | 2018-12-28 | 2019-04-12 | 中铁隧道集团三处有限公司 | A kind of monitoring method of overlapping tunnel information-aided construction |
| CN115773137A (en) * | 2023-01-29 | 2023-03-10 | 北京建工土木工程有限公司 | Tunnel stress compensation device for small-clear-distance shield tunnel construction and construction method |
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