CN103615254B - A kind of method that sharp radius curve articulated shield machine starts - Google Patents
A kind of method that sharp radius curve articulated shield machine starts Download PDFInfo
- Publication number
- CN103615254B CN103615254B CN201310572386.9A CN201310572386A CN103615254B CN 103615254 B CN103615254 B CN 103615254B CN 201310572386 A CN201310572386 A CN 201310572386A CN 103615254 B CN103615254 B CN 103615254B
- Authority
- CN
- China
- Prior art keywords
- shield machine
- curve
- predetermined curve
- articulated
- starting well
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a kind of method that sharp radius curve articulated shield machine starts, comprise the following steps: in starting well along the some concrete saddles of predetermined curve arranged; Assemble shield machine in starting well time, first by before shield machine, in 2 be arranged on predetermined curve, after having assembled, restart the articulated mounting of shield machine, the rear point of shield machine moved on predetermined curve, guarantee shield machine before, during and after 3 on predetermined curve; In starting well, build counter force wall, the negative endless tube sheet of first ring and counter force wall in shield machine are connected and sealed; In starting well, fill Cast-in-situ Piles in Sand-filling to prevent negative endless tube sheet sidesway. Shield machine is opened hinged pushing ahead after having assembled on the concrete saddle of curved arrangement, shield machine is appeared along predetermined curve jacking, the method that adopts sharp radius curve articulated shield machine of the present invention to start is constructed and is greatly reduced the risk that shield structure curve starts while appearing, ensure tunnel line style, guarantee construction speed.
Description
Technical field
The present invention relates to tunneling shield technical field of construction, a kind of method that particularly articulated shield machine starts on sharp radius curve.
Background technology
Start in construction at curve in the past, shield machine and bracket are straight line, origination process is straight line moving, shield machine is generally to adopt to prolong secant straight line and start, there are enough distances to allow shield machine correction be fitted on virgin curve but prerequisite is shield machine to be entered behind hole, simultaneously because shield machine is oblique starting, in portal work progress, must in advance portal end wall surface be applied with shield launching line style perpendicular, can ensure shield launching construction safety, but when under the prerequisite that sweep is less and structure well has been constructed in advance, it is a large technical barrier in shield-tunneling construction process that shield structure sharp radius curve starts.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of method that sharp radius curve articulated shield machine that can effectively solve a shield structure sharp radius curve Originating Technique difficult problem starts.
For solving the problems of the technologies described above adopted technical scheme: a kind of method that sharp radius curve articulated shield machine starts, comprises the following steps:
(1), in starting well along the some concrete saddles of predetermined curve arranged, on the intrados both sides of each concrete saddle, be furnished with short lead rail, the curved shape of short lead rail on the each concrete saddle corresponding arrangement of head and the tail;
(2) while, assembling shield machine in starting well, first by before shield machine, in 2 be arranged on predetermined curve, after having assembled, restart the articulated mounting of shield machine, the rear point of shield machine moved on predetermined curve, guarantee shield machine before, during and after 3 on predetermined curve;
(3), in starting well, build counter force wall, the negative endless tube sheet of first ring and counter force wall in shield machine are connected and sealed;
(4), in starting well, fill Cast-in-situ Piles in Sand-filling to prevent negative endless tube sheet sidesway;
(5), the jacking of shield structure is carried out in backfill after completing.
Be further used as the improvement of technical solution of the present invention, in step (1), each described concrete saddle is rectangle concrete saddle, and each described concrete saddle is arranged along predetermined curve interval.
Be further used as the improvement of technical solution of the present invention, in step (1), pre-buried welding steel on the intrados both sides of each concrete saddle, described short lead rail is arranged on pre-buried welding steel.
Be further used as the improvement of technical solution of the present invention, in step (3), in the time building described counter force wall, built-in steel sleeve in described counter force wall, described steel bushing is connected with the negative endless tube sheet of first ring in shield machine, while building described counter force wall, steel bushing and the negative endless tube sheet seam crossing of first ring is together built.
Beneficial effect: the method that this sharp radius curve articulated shield machine starts first arranges multiple concrete saddles in starting well, each concrete saddle is to arrange along predetermined curve, counter force wall and pre-buried section of jurisdiction branch sleeve are set again, shield machine is opened hinged pushing ahead after having assembled on the concrete saddle of curved arrangement, by starting well is carried out after backfill, shield machine curved jacking is appeared, in curve origination process, negative endless tube sheet all adopts the ring of turning, in counter force wall and well, backfill can effectively prevent negative endless tube sheet sidesway, the method that adopts sharp radius curve articulated shield machine of the present invention to start is constructed and is greatly reduced the risk that shield structure curve starts while appearing, ensure tunnel line style, guarantee construction speed.
Brief description of the drawings
Below in conjunction with drawings and Examples, the present invention is described further;
Fig. 1 is the elevation of concrete saddle in the embodiment of the present invention;
Fig. 2 is that in the embodiment of the present invention, each concrete saddle is arranged schematic diagram along predetermined curve;
Fig. 3 is in the embodiment of the present invention before shield machine when location assembling, in 2 simplified schematic diagram that are arranged on predetermined curve;
Fig. 4 is 3 simplified schematic diagram that are arranged on predetermined curve before, during and after shield machine is assembled while location in the embodiment of the present invention;
Fig. 5 be in the embodiment of the present invention shield machine in starting well, assembled before when location, in 2 schematic diagrames that are arranged on predetermined curve;
Fig. 6 is 3 schematic diagrames that are arranged on predetermined curve before, during and after shield machine is assembled while location in starting well in the embodiment of the present invention;
Fig. 7 is the schematic diagram of filling Cast-in-situ Piles in Sand-filling in the embodiment of the present invention in starting well;
Fig. 8 be in the embodiment of the present invention in counter force wall the schematic diagram of built-in steel sleeve.
Detailed description of the invention
Referring to figs. 1 through Fig. 8, the method that sharp radius curve articulated shield machine of the present invention starts, is characterized in that, comprises the following steps:
(1), on the intrados both sides of each concrete saddle 11, be furnished with short lead rail 12 along the some concrete saddles 11 of predetermined curve 20 arranged starting well 10 is interior, the curved shape of the short lead rail 12 corresponding arrangement of head and the tail on each concrete saddle 11;
(2), in the time of the interior assembling shield machine 30 of starting well 10, first by before shield machine 30, in 2 be arranged on predetermined curve 20, after having assembled, restart the articulated mounting of shield machine 30, the rear point of shield machine 30 is moved on predetermined curve 20, guarantee shield machine 30 before, during and after 3 on predetermined curve 20;
(3), in starting well 10, build counter force wall 13, the negative endless tube sheet 31 of first ring in shield machine 30 is connected and sealed with counter force wall 13;
(4), the past interior filling Cast-in-situ Piles in Sand-filling 14 of starting well 10 is to prevent negative endless tube sheet sidesway;
(5), the jacking of shield structure is carried out in backfill after completing.
Method that this sharp radius curve articulated shield machine starts first arranges multiple concrete saddles 11 starting well 10 is interior, each concrete saddle 11 is to arrange along predetermined curve, counter force wall 13 and built-in steel sleeve 15 are set again, shield machine 30 is opened hinged pushing ahead after having assembled on the concrete saddle 11 of curved arrangement, by starting well 10 is carried out after backfill, shield machine 30 curved jackings are appeared, in curve origination process, negative endless tube sheet all adopts the ring of turning, in counter force wall 13 and well, Cast-in-situ Piles in Sand-filling 14 can effectively prevent negative endless tube sheet sidesway, the method that adopts sharp radius curve articulated shield machine of the present invention to start is constructed and is greatly reduced the risk that shield structure curve starts while appearing, ensure tunnel line style, guarantee construction speed.
In the present embodiment, predetermined curve 20 is shield machine 30 curvilinear path of advancing that starts in starting well, when shield machine 30 is assembled in starting well, should guarantee shield machine 30 before, during and after 3 in this curvilinear path, after the first negative endless tube sheet 31 in shield machine 30 is connected and sealed with counter force wall 13, recharging Cast-in-situ Piles in Sand-filling 14 can not affect because side force is excessive the walking posture of shield machine 30 with the jack-in process of guaranteeing to start in this curvilinear path.
Closely knit with the slip casting that ensures portal circle and segment joint for guaranteeing that shield machine is set up otch pressure smoothly, secretly bury at portal circle place sealing curtain plate is installed.
As the preferred embodiment of the present invention, in step (1), each described concrete saddle 11 is rectangle concrete saddle, and each described concrete saddle 11 is arranged along predetermined curve 20 intervals.
As the preferred embodiment of the present invention, in step (1), pre-buried welding steel 16 on the intrados both sides of each concrete saddle 11, described short lead rail 12 is arranged on pre-buried welding steel 16.
As the preferred embodiment of the present invention, in step (3), in the time building described counter force wall 13, at the interior built-in steel sleeve 15 of described counter force wall 13, described steel bushing 15 is connected with the negative endless tube sheet 31 of first ring in shield machine 30, while building described counter force wall 13, negative to steel bushing 15 and first ring endless tube sheet 31 seam crossings is together built.
By reference to the accompanying drawings embodiments of the present invention are explained in detail above, but the invention is not restricted to above-mentioned embodiment, in the ken possessing at described technical field those of ordinary skill, can also under the prerequisite that does not depart from aim of the present invention, make various variations.
Claims (3)
1. the method that sharp radius curve articulated shield machine starts, is characterized in that, comprises the following steps:
(1), in starting well along the some concrete saddles of predetermined curve arranged, on the intrados both sides of each concrete saddle, be furnished with short lead rail, the curved shape of short lead rail on the each concrete saddle corresponding arrangement of head and the tail;
(2) while, assembling shield machine in starting well, first by before shield machine, in 2 be arranged on predetermined curve, after having assembled, restart the articulated mounting of shield machine, the rear point of shield machine moved on predetermined curve, guarantee shield machine before, during and after 3 on predetermined curve;
(3), in starting well, build counter force wall, the negative endless tube sheet of first ring and counter force wall in shield machine are connected and sealed, in the time building described counter force wall, built-in steel sleeve in described counter force wall, described steel bushing is connected with the negative endless tube sheet of first ring in shield machine, while building described counter force wall, steel bushing and the negative endless tube sheet seam crossing of first ring is together built;
(4), in starting well, fill Cast-in-situ Piles in Sand-filling to prevent negative endless tube sheet sidesway;
(5), the jacking of shield structure is carried out in backfill after completing.
2. the method that sharp radius curve articulated shield machine according to claim 1 starts, is characterized in that: in step (1), each described concrete saddle is rectangle concrete saddle, and each described concrete saddle is arranged along predetermined curve interval.
3. the method that sharp radius curve articulated shield machine according to claim 1 and 2 starts, is characterized in that: in step (1), and pre-buried welding steel on the intrados both sides of each concrete saddle, described short lead rail is arranged on pre-buried welding steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310572386.9A CN103615254B (en) | 2013-11-13 | 2013-11-13 | A kind of method that sharp radius curve articulated shield machine starts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310572386.9A CN103615254B (en) | 2013-11-13 | 2013-11-13 | A kind of method that sharp radius curve articulated shield machine starts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103615254A CN103615254A (en) | 2014-03-05 |
| CN103615254B true CN103615254B (en) | 2016-05-04 |
Family
ID=50165968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310572386.9A Active CN103615254B (en) | 2013-11-13 | 2013-11-13 | A kind of method that sharp radius curve articulated shield machine starts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103615254B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533433B (en) * | 2014-12-25 | 2017-02-22 | 中铁十七局集团第六工程有限公司 | Starting method of small-radius curve tunnel |
| CN104912560B (en) * | 2015-06-11 | 2018-08-21 | 北京市市政四建设工程有限责任公司 | Gravel clay layer small-radius shield curve originates construction technology |
| CN108240224A (en) * | 2017-12-28 | 2018-07-03 | 上海市机械施工集团有限公司 | Shield launching counter force system and its construction method |
| CN110030034A (en) * | 2019-04-17 | 2019-07-19 | 广州地铁设计研究院股份有限公司 | A kind of tunnel signal equipment installation method and its structure |
| CN110714773A (en) * | 2019-10-22 | 2020-01-21 | 中铁隧道集团二处有限公司 | Construction method for starting tunnel by shield method on large-gradient small curve of water-rich sand layer |
| CN113389558B (en) * | 2021-07-02 | 2023-04-18 | 中铁十一局集团有限公司 | TBM (Tunnel boring machine) starting platform for narrow space and construction method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3869522B2 (en) * | 1997-04-02 | 2007-01-17 | 清水建設株式会社 | How to start a shield machine |
| CN101975068B (en) * | 2010-11-05 | 2012-07-25 | 上海隧道工程股份有限公司 | Construction method for tunnelling small-radius curve segment of tunnel through shield method |
| CN201874583U (en) * | 2010-11-10 | 2011-06-22 | 广东华隧建设股份有限公司 | Initiating device for shield machine |
| CN102022119B (en) * | 2010-12-15 | 2012-09-05 | 广东华隧建设股份有限公司 | Shield machine balance originating method |
| JP2012251353A (en) * | 2011-06-02 | 2012-12-20 | Shimizu Corp | Curved start method of shield machine |
-
2013
- 2013-11-13 CN CN201310572386.9A patent/CN103615254B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN103615254A (en) | 2014-03-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103615254B (en) | A kind of method that sharp radius curve articulated shield machine starts | |
| CN207063998U (en) | A kind of external mounted shield launching portal hermetic seal device | |
| CN104358575B (en) | A kind of water-rich sand layer slurry shield originates sealing device and originates sealing control method | |
| CN103046933B (en) | Shield station-crossing tunneling and station parallel construction method | |
| CN104533433B (en) | Starting method of small-radius curve tunnel | |
| CN201650310U (en) | Medium-bury type water stop mounting structure used in tunnel | |
| CN102518441B (en) | Method for constructing karren stratum shield tunnel | |
| CN103470272B (en) | A kind of chassis for the multiple section concrete construction of Mining Method and construction method thereof | |
| CN105443143B (en) | A kind of coal mine gob roadway support device and its construction method | |
| CN103375171B (en) | Start in a kind of shield structure hole counter-force frame | |
| CN106401598A (en) | Remote tunneling control method of high pressure water jet flow automatic cutting | |
| CN103061778B (en) | Tunnel arch foot circumferential high pressure jet strengthening method and construction equipment | |
| CN106522968B (en) | Embedded shield receives sealing device and receives encapsulating method | |
| CN104533447B (en) | Retaining Roadways Along Goaf at Coal Face method for protecting support | |
| CN208431006U (en) | Shield machine and its double shields support shoe apparatus | |
| CN203050719U (en) | Tunnel arch springing circumferential high-pressure ejecting and reinforcing construction device | |
| CN105134223A (en) | Construction method for improving shield starting steel box sealing performance | |
| CN208073517U (en) | A kind of twisted steel positioning reinforcing device | |
| CN110714773A (en) | Construction method for starting tunnel by shield method on large-gradient small curve of water-rich sand layer | |
| CN104074526B (en) | A kind of shape of a hoof open type shield structure body structure and shield construction technique thereof | |
| CN102619248A (en) | Rock trenching machine and trenching method | |
| CN112145182A (en) | Method for enabling ultra-small clear distance shield tunnel to penetrate existing line downwards | |
| CN107448211A (en) | Tunnel efficient construction method and its automatically walk shifting formwork transposition framework trestle used | |
| CN109488318B (en) | Construction implementation method for passing through shaft of TBM device and building device | |
| CN103437788B (en) | After minor diameter Open TBM trackless, the method for bow member crossed over by supporting chassis |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 510220 Guangdong city of Guangzhou province Haizhuqu District Yue Xuan Street No. 81 (G-3) 1501-1512, 1604-1607 room Patentee after: Guangdong Hua Qiao construction group Limited by Share Ltd Address before: 9, building 510620, industrial building, 101 Tianhe Road, Guangzhou, Guangdong, Tianhe District Patentee before: China Tunnel Construction Co., Ltd. Guangdong |