CN103541735B - Tunneling machine stepping pushing supporting device and construction method - Google Patents
Tunneling machine stepping pushing supporting device and construction method Download PDFInfo
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- CN103541735B CN103541735B CN201310561968.7A CN201310561968A CN103541735B CN 103541735 B CN103541735 B CN 103541735B CN 201310561968 A CN201310561968 A CN 201310561968A CN 103541735 B CN103541735 B CN 103541735B
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- anchor hole
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- tunnel machine
- reaction frame
- pushing tow
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Abstract
A tunneling machine stepping pushing supporting device comprises a plurality of embedded supporting anchor hole transverse beams, wherein the two ends of each supporting anchor hole transverse beam are respectively provided with a supporting locating anchor hole; the tunneling machine stepping pushing supporting device is further provided with at least two inclined sliding rails; the tunneling machine stepping pushing supporting device further comprises a counter-force frame, the bottom of the counter-force frame is provided with counter-force frame supporting legs, the counter-force frame is of a frame structure and provided with a side surface, and the side surface is opposite to the end face of the tail portion of a tunneling machine and used for abutting against an auxiliary pipe bending cylinder. A construction method of the tunneling machine stepping pushing supporting device comprises the following steps that first, embedded bolts are welded to joint bars; second, a steel base plate is arranged on the embedded bolts through nuts; third, the steel base plate is provided with the supporting anchor hole transverse beams, the supporting locating anchor holes and the sliding rails; the auxiliary hydraulic cylinder is placed between the tunneling machine and the counter-force frame, and a stepped route is jacked; by means of the steps, jacking walking of starting tunnel inlet of the tunneling machine is achieved. The tunneling machine stepping pushing supporting device can guarantee stepping pushing force supporting hundreds of tons, and damage to the structures of the sliding rails caused by uneven stress will not occur.
Description
Technical field
The present invention relates to tunnel machine construction field, particularly a kind ofly to start into the stepping pushing tow bracing or strutting arrangement in hole and construction method for tunnel machine.
Background technology
Railway, highway, large hydraulic engineering etc. need to construct in rock massif usually, and massif is soft by difference, hard, and the rock of different bedding formed.Along with project scale strengthens, speed of application requires to accelerate, and much length is greater than 6Km, and cross section is greater than 80m
2tunnel, inadaptablely adopt extensive drill bursting construction.In order to speed up the work, reduce secondary lining operation, all adopting tunneling boring rock tunnel development machine (tunnel machine: Tunnel Boring Machinc is called for short TBM) milling to dig tunnel at present.Tunnel hard rock mole is erecting bed Installation and Debugging before tunnel mouth, start outside the section of hole because main frame originating location is in tunnel, TMB can not utilize support boots and crag to interact, pushing tow body traction rear portion ancillary facility advances, must by the counter-force bracing or strutting arrangement on bottom auxiliary cylinder and ground, by TBM mainframe section and rear portion ancillary facility etc. by erecting bed outside hole, face driving position in pushing tow to hole.TBM body weight about more than 600 ton, tractive force needed for the devices such as rear ancillary facility about 70 tons, sliding friction power about more than 180 ton of TBM body and ground rail, under the compound action of many kinds of force, pre-buried reaction of bearing device on ground concrete slideway according to a conventional method, the embedding precision of embedded part is not high, and its intensity is also held and be can't stand maximum 250 tons of thrust.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of tunnel machine stepping pushing tow bracing or strutting arrangement, can provide secure support, and be convenient to Adjustment precision for the pushing tow of tunnel machine.
Another technical problem to be solved by this invention is to provide a kind of construction method of tunnel machine stepping pushing tow bracing or strutting arrangement, embedding precision and intensity can meet the bracing or strutting arrangement of tunnel machine auxiliary hydraulic pressure oil cylinder jacking force.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of tunnel machine stepping pushing tow bracing or strutting arrangement, comprises many pre-buried support anchor hole crossbeams, is provided with supporting and location anchor hole at the two ends supporting anchor hole crossbeam;
Many described support anchor hole crossbeams are uniform along the direction of advance of tunnel machine, and the position on support anchor hole crossbeam between supporting and location anchor hole is also provided with the slide rail that at least two upper surface perpendicular bisectors point to the inclination in the same center of circle;
Below the upper surface of supporting and location anchor hole, and slide rail below circular arc that upper surface connects, be filled with concrete;
Also comprise reaction frame, the bottom of reaction frame is provided with at least two and forms with supporting and location anchor hole the reaction frame supporting leg patching and coordinate, and reaction frame is frame construction, and has a side for withstand auxiliary top push oil cylinder relative with tunnel machine tail end face.
The oblique steel plate of adjustment making each bar slide rail concentric is installed with bottom described slide rail.
The U-shaped reinforcing bar embedded part of many one slide rails is also provided with in the side of slide rail.
Reaction frame is also provided with oil cylinder reaction plate for the side of withstanding auxiliary top push oil cylinder.
Reaction frame is also provided with top ear with the top of supporting and location anchor hole relevant position, and back timber is inserted in the ear of top, between one end and ground of back timber, be provided with jack.
Described support anchor hole crossbeam is installed on billet, and billet is fixedly connected with many pre-embedded bolt adjustable grounds by nut; Pre-embedded bolt and pre-buried joint bar are welded to connect.
Described billet is fixed between two nuts.
Reaction frame supporting leg is at least four.
A construction method for tunnel machine stepping pushing tow bracing or strutting arrangement, comprises the following steps:
One, excavate on ground one with the groove of tunnel machine corresponding size, in groove, water a layer concrete and many joint bars are imbedded in pushing tow direction along tunnel machine, pre-embedded bolt be welded on joint bar;
Two, billet is installed on pre-embedded bolt by nut, utilizes upper and lower double nut to regulate height and the levelness of billet;
Three, support anchor hole crossbeam is installed on billet, the two ends supporting anchor hole crossbeam are installed with supporting and location anchor hole, measuring center line on support anchor hole crossbeam, the oblique steel plate of adjustment between movable support anchor hole crossbeam and slide rail, by the angle of slope of slide rail, elevation, spacing, concentricity precision and parallelism parameter adjustment to meeting designing requirement;
Four, concreting, to the upper surface of supporting and location anchor hole, and slide rail below circular arc that upper surface connects, to form cambered way;
Five, the reaction frame supporting leg of the bottom of the reaction frame of frame construction is inserted in supporting and location anchor hole, auxiliary hydraulic pressure oil cylinder is placed between tunnel machine tail end face and the side of reaction frame, operation auxiliary hydraulic pressure cylinder jacking, namely promote tunnel machine to walk a stepping stroke, reaction frame is inserted in next group supporting and location anchor hole, the next stepping stroke of jacking;
By above-mentioned steps, realize tunnel machine and start into the pushing tow in hole and walk.
Reaction frame is also provided with top ear with the top of supporting and location anchor hole relevant position, when reaction frame supporting leg is difficult to take out, be inserted into by back timber in the ear of top, between one end and ground of back timber, arrange jack, reaction frame supporting leg top pine can hang out by jack.
A kind of tunnel machine stepping pushing tow bracing or strutting arrangement provided by the invention and construction method, reaction frame is coordinated by pre-buried supporting and location anchor hole, the stepping thrust supporting auxiliary top push oil cylinder hundreds of tons can be guaranteed, structure of the present invention and construction method will make slideway structure be damaged because of unbalance stress, guarantee that TBM starts steadily safe and reliable smoothly into hole stepping pushing tow.In the present invention, pre-embedded bolt coordinates the structure of billet to be convenient to regulate elevation and level, support the structure of anchor hole crossbeam and the oblique steel plate of adjustment, be convenient to the angle of slope adjusting slide rail, elevation, spacing, concentricity precision and parallelism, i.e. structure and method of the present invention, be convenient to very much the precision regulating whole bracing or strutting arrangement, thus avoid unbalance stress.
Physical dimension adjustment of the present invention is simple to operate, and simplify embedded part installation procedure, accelerate mounting and adjusting progress, embedded part installation accuracy is high.The slide rail of cambered way and support anchor hole stress equalization, structural strength is high.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is the plan structure schematic diagram of tunnel machine stepping jacking.
Fig. 2 is the structure section schematic diagram of bracing or strutting arrangement of the present invention, have employed omissive representation in figure, is shifted near in the center of circle of slide rail circumscribed circle, so that observe.
Fig. 3 is the structural representation pushing up loose reaction frame supporting leg in the inventive method.
Fig. 4 is the syndeton schematic diagram of joint bar, pre-embedded bolt and billet in the present invention.
Fig. 5 is the structural representation of supporting and location anchor hole and support anchor hole crossbeam in the present invention.
Fig. 6 is slide rail and the structural representation adjusting oblique steel plate in the present invention.
Fig. 7 is the side direction view of Fig. 6.
Fig. 8 is the structural representation of reaction frame in the present invention.
In figure: joint bar 1, pre-embedded bolt 2, billet 3, nut 4, support anchor hole crossbeam 5, supporting and location anchor hole 6, adjusts oblique steel plate 7, sliding rail U-shaped reinforcing bar embedded part 8, slide rail 9, reaction frame supporting leg 10, top ear 11, oil cylinder reaction plate 12, hanger 13, reaction frame 14, auxiliary top push oil cylinder 15, back timber 16, jack 17, cambered way 18, concrete 19, tunnel machine 20.
Detailed description of the invention
Embodiment 1:
As in Fig. 1 ~ 8, a kind of tunnel machine stepping pushing tow bracing or strutting arrangement, comprises many pre-buried support anchor hole crossbeams 5, is provided with supporting and location anchor hole 6 at the two ends supporting anchor hole crossbeam 5; As shown in Fig. 2,3,5, the supporting and location anchor hole 6 in this example preferably adopts rectangular steel tube.
As in Fig. 1,3, many described support anchor hole crossbeams 5 are uniform along the direction of advance of tunnel machine, and the position on support anchor hole crossbeam 5 between supporting and location anchor hole 6 is also provided with the slide rail 9 that at least two upper surface perpendicular bisectors point to the inclination in the same center of circle.As shown in Figure 2, certainly, it will be appreciated by those skilled in the art that error to be there is in actual installation process, as the O in Fig. 2
1and O
2shown in, make O by adjustment as far as possible
1and O
2overlap or in the scope of designing requirement license, Fig. 2 have employed omissive representation, the actual center of circle will in higher position.Slide rail 9 in this example adopts " H " shaped steel slide rail as shown in Figure 6.
As in Fig. 2, below the upper surface of supporting and location anchor hole 6, and slide rail 9 below circular arc that upper surface connects, be filled with concrete 19; Preferably, concrete 19 can meet below circular arc 3 ~ 8mm lower than the upper surface of supporting and location anchor hole 6 and slide rail 9 upper surface.
As in Fig. 1,2,8, also comprise reaction frame 14, the bottom of reaction frame 14 is provided with at least two and forms with supporting and location anchor hole 6 the reaction frame supporting leg 10 patching and coordinate, preferably, adopt four or six to be also feasible according to the weight reaction frame supporting leg 10 of tunnel machine, in this example, then adopt four.
Reaction frame 14 is frame construction, and has a side for withstand auxiliary top push oil cylinder 15 relative with tunnel machine tail end face.Structure thus, as in Fig. 1, is provided the weight support of tunnel machine 20, and provides reliable stepping pushing tow to support by the reaction frame 14 be inserted in supporting and location anchor hole 6 by slide rail 9.
Preferably, as shown in Fig. 2,6,7, bottom described slide rail 9, be installed with the oblique steel plate 7 of adjustment making each bar slide rail concentric.Adjust oblique steel plate 7 higher near one end of this collateral support location anchor hole 6.By adjusting oblique steel plate 7 supporting the position on anchor hole crossbeam 5, the angle of slope of slide rail, elevation, spacing, concentricity precision and parallelism can be regulated easily, thus be convenient to the installation accuracy improving whole bracing or strutting arrangement.
Preferably, as shown in Fig. 6 ~ 7, be also provided with the U-shaped reinforcing bar embedded part 8 of many one slide rails, be also provided with kink in the termination of U-shaped reinforcing bar embedded part 8 in the side of slide rail 9, U-shaped reinforcing bar embedded part 8 is welded to connect with slide rail 9.Structure thus, improves the intensity of slide rail 9 in concrete 19 further.
Preferably, as shown in Fig. 2,8, reaction frame 14 is also provided with oil cylinder reaction plate 12 for the side of withstanding auxiliary top push oil cylinder 15.Structure thus, is convenient to make suffered pressure dissipation to whole reaction frame 14.
Preferably as in Fig. 3, reaction frame 14 is also provided with the top of supporting and location anchor hole 6 relevant position and pushes up ear 11, back timber 16 is inserted in the ear 11 of top, between one end and ground of back timber 16, be provided with jack 17.Structure thus, when reaction frame supporting leg 10 is locked because of slight deformation with supporting and location anchor hole 6, can adopt jack 17 to coordinate back timber 16 that reaction frame supporting leg 10 is pushed up pine, thus be convenient to lift by crane whole reaction frame 14 by the hanger 13 on reaction frame 14.
Described support anchor hole crossbeam 5 is installed on billet 3, and billet 3 is fixedly connected with many pre-embedded bolts 2 adjustable ground by nut 4; Pre-embedded bolt 2 and pre-buried joint bar 1 are welded to connect.
Preferably, as shown in Fig. 2 ~ 4, described billet 3 is fixed between two nuts 4.Structure thus, is convenient to the height-precision and the horizontal accuracy that regulate billet 3.
Embodiment 2:
This example is for adopting the method for embodiment 1 device, the structure do not described in this example, identical with the structure in embodiment 1.
As shown in Fig. 1 ~ 8, a kind of construction method of tunnel machine stepping pushing tow bracing or strutting arrangement, comprises the following steps:
One, excavate on ground one with the groove of tunnel machine 20 corresponding size, in groove, water one deck plain concrete and imbed many joint bars 1 along the pushing tow direction of tunnel machine and stepping pushing tow spacing, pre-embedded bolt 2 being welded on joint bar 1; Plain concrete refers to without muscle or the concrete not configuring steel bar stress.
Two, install billet 3 on pre-embedded bolt 2 by nut 4, in this example, the corner of billet 3 is through pre-embedded bolt 2, and is fixed between upper and lower two nuts 4, utilizes upper and lower double nut to regulate height and the levelness of billet 3;
Three, support anchor hole crossbeam 5 is installed on billet 3, the two ends supporting anchor hole crossbeam 5 are installed with supporting and location anchor hole 6, measuring center line on support anchor hole crossbeam 5, the oblique steel plate 7 of the adjustment between movable support anchor hole crossbeam 5 and slide rail 9, by the angle of slope of slide rail 9 as the α in Fig. 2
1and α
2shown in, elevation, spacing, concentricity precision are as the O in Fig. 2
1and O
2shown in, and parallelism parameter adjustment is to meeting designing requirement;
Four, concreting, to supporting and location anchor hole 6 upper surface, and slide rail 9 below circular arc that upper surface connects, to form cambered way 18; Usually low 3 ~ 8mm.
Five, tunnel machine 20 is placed on slide rail 9, hoist cable is put in the hanger 13 at reaction frame 14 top, with the hoisting mechanism on tunnel machine 20 by reaction frame 14, above handling to cambered way 18, the reaction frame supporting leg 10 of the bottom of the reaction frame 14 of frame construction to be inserted in supporting and location anchor hole 6 and to fall the end, between side auxiliary hydraulic pressure oil cylinder 15 being placed on tunnel machine tail end face and reaction frame 14, operation auxiliary hydraulic pressure oil cylinder 15 cylinder head withstands oil cylinder reaction plate 12, to sinciput stroke, then tunnel machine 20 is at reaction frame 14, under the reaction of reaction frame supporting leg 10 and supporting and location anchor hole 6, promote tunnel machine to walk a stepping stroke, operation auxiliary top push oil cylinder 15 is shunk, reaction frame 14 to be sling reach stepping stroke with the hoisting mechanism of tunnel machine 20, reaction frame 14 is inserted in next group supporting and location anchor hole 6, the next stepping stroke of jacking,
By above-mentioned steps, realize tunnel machine and start into the pushing tow in hole and walk.
Preferably as shown in Figure 3, reaction frame 14 is also provided with the top of supporting and location anchor hole 6 relevant position and pushes up ear 11, when reaction frame supporting leg 10 is difficult to take out, back timber 16 is inserted in the ear 11 of top, between one end and ground of back timber 16, arrange jack 17, reaction frame supporting leg 10 can be pushed up pine and hang out by jack 17.
Claims (10)
1. a tunnel machine stepping pushing tow bracing or strutting arrangement, comprises many pre-buried supports anchor hole crossbeam (5), it is characterized in that: be provided with supporting and location anchor hole (6) at the two ends supporting anchor hole crossbeam (5);
Many described supports anchor hole crossbeam (5) are uniform along the direction of advance of tunnel machine, and in support anchor hole crossbeam (5), the position be positioned between supporting and location anchor hole (6) is also provided with the slide rail (9) that at least two upper surface perpendicular bisectors point to the inclination in the same center of circle;
Below the upper surface of supporting and location anchor hole (6), and slide rail (9) below circular arc that upper surface connects, be filled with concrete (19);
Also comprise reaction frame (14), the bottom of reaction frame (14) is provided with at least two and forms with supporting and location anchor hole (6) the reaction frame supporting leg (10) patching and coordinate, reaction frame (14) is frame construction, and has a side for withstand auxiliary top push oil cylinder (15) relative with tunnel machine tail end face.
2. a kind of tunnel machine stepping pushing tow bracing or strutting arrangement according to claim 1, is characterized in that: described slide rail (9) bottom is installed with the oblique steel plate of adjustment (7) making each bar slide rail concentric.
3. a kind of tunnel machine stepping pushing tow bracing or strutting arrangement according to claim 1, is characterized in that: be also provided with the U-shaped reinforcing bar embedded part (8) of many one slide rails in the side of slide rail (9).
4. a kind of tunnel machine stepping pushing tow bracing or strutting arrangement according to claim 1, is characterized in that: reaction frame (14) is also provided with oil cylinder reaction plate (12) for the side of withstanding auxiliary top push oil cylinder (15).
5. a kind of tunnel machine stepping pushing tow bracing or strutting arrangement according to claim 1, it is characterized in that: top that is upper at reaction frame (14) and supporting and location anchor hole (6) relevant position is also provided with pushes up ear (11), back timber (16) is inserted in top ear (11), between one end and ground of back timber (16), be provided with jack (17).
6. a kind of tunnel machine stepping pushing tow bracing or strutting arrangement according to claim 1, it is characterized in that: described support anchor hole crossbeam (5) is installed on billet (3), and billet (3) is fixedly connected with many pre-embedded bolts (2) adjustable ground by nut (4); Pre-embedded bolt (2) and pre-buried joint bar (1) are welded to connect.
7. a kind of tunnel machine stepping pushing tow bracing or strutting arrangement according to claim 6, is characterized in that: described billet (3) is fixed between two nuts (4).
8. a kind of tunnel machine stepping pushing tow bracing or strutting arrangement according to claim 1, is characterized in that: reaction frame supporting leg (10) is at least four.
9. a construction method for tunnel machine stepping pushing tow bracing or strutting arrangement, is characterized in that comprising the following steps:
One, excavate on ground one with the groove of tunnel machine (20) corresponding size, in groove, water a layer concrete and many joint bars (1) are imbedded in pushing tow direction along tunnel machine, pre-embedded bolt (2) be welded on joint bar (1);
Two, billet (3) is installed on pre-embedded bolt (2) by nut (4), utilizes upper and lower double nut to regulate height and the levelness of billet (3);
Three, anchor hole crossbeam (5) is supported upper installation of billet (3), the two ends supporting anchor hole crossbeam (5) are installed with supporting and location anchor hole (6), at the upper measuring center line of support anchor hole crossbeam (5), the oblique steel plate of adjustment (7) between movable support anchor hole crossbeam (5) and slide rail (9), by the angle of slope of slide rail (9), elevation, spacing, concentricity precision and parallelism parameter adjustment to meeting designing requirement;
Four, concreting, to the upper surface of supporting and location anchor hole (6), and slide rail (9) below circular arc that upper surface connects, to form cambered way (18);
Five, the reaction frame supporting leg (10) of the bottom of the reaction frame (14) of frame construction is inserted in supporting and location anchor hole (6), between side auxiliary hydraulic pressure oil cylinder (15) being placed on tunnel machine tail end face and reaction frame (14), oil cylinder (15) jacking of operation auxiliary hydraulic pressure, namely promote tunnel machine to walk a stepping stroke, reaction frame (14) is inserted in next group supporting and location anchor hole (6), the next stepping stroke of jacking;
By above-mentioned steps, realize tunnel machine and start into the pushing tow in hole and walk.
10. the construction method of a kind of tunnel machine stepping pushing tow bracing or strutting arrangement according to claim 9, it is characterized in that: top that is upper at reaction frame (14) and supporting and location anchor hole (6) relevant position is also provided with pushes up ear (11), when reaction frame supporting leg (10) is difficult to take out, back timber (16) is inserted in top ear (11), between one end and ground of back timber (16), arrange jack (17), reaction frame supporting leg (10) top pine can hang out by jack (17).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510313756.6A CN105178968B (en) | 2013-11-13 | 2013-11-13 | Rock tunnel(ling) machine pushing tow support meanss and construction method |
| CN201310561968.7A CN103541735B (en) | 2013-11-13 | 2013-11-13 | Tunneling machine stepping pushing supporting device and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310561968.7A CN103541735B (en) | 2013-11-13 | 2013-11-13 | Tunneling machine stepping pushing supporting device and construction method |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510313756.6A Division CN105178968B (en) | 2013-11-13 | 2013-11-13 | Rock tunnel(ling) machine pushing tow support meanss and construction method |
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| Publication Number | Publication Date |
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| CN103541735A CN103541735A (en) | 2014-01-29 |
| CN103541735B true CN103541735B (en) | 2015-07-08 |
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| CN201310561968.7A Active CN103541735B (en) | 2013-11-13 | 2013-11-13 | Tunneling machine stepping pushing supporting device and construction method |
| CN201510313756.6A Active CN105178968B (en) | 2013-11-13 | 2013-11-13 | Rock tunnel(ling) machine pushing tow support meanss and construction method |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510313756.6A Active CN105178968B (en) | 2013-11-13 | 2013-11-13 | Rock tunnel(ling) machine pushing tow support meanss and construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105178968A (en) * | 2013-11-13 | 2015-12-23 | 葛洲坝集团第一工程有限公司 | Pushing and supporting device of tunneling machine and construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107575239B (en) * | 2017-10-16 | 2024-04-02 | 粤水电轨道交通建设有限公司 | Movable shield launching device for narrow space |
| CN109098206B (en) * | 2018-09-12 | 2020-09-22 | 中交第二航务工程局有限公司 | Prefabricated assembly construction method for urban underpass tunnel and prefabricated assembly heading machine |
| CN109296377A (en) * | 2018-09-25 | 2019-02-01 | 中铁工程服务有限公司 | A kind of construction method that rock tunnel(ling) machine stepping is appeared |
| CN113818894A (en) * | 2021-10-20 | 2021-12-21 | 中铁十五局集团有限公司 | Working method of sliding plate type TBM stepping device |
| CN114263469B (en) * | 2021-11-10 | 2023-11-14 | 中铁二局集团有限公司 | TBM or shield tunneling machine rapid jacking system and construction method |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN103541735A (en) | 2014-01-29 |
| CN105178968B (en) | 2017-08-01 |
| CN105178968A (en) | 2015-12-23 |
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