CN103032072B - Method for disassembling, lifting and transferring closed type station shield to transferring line to be hoisted out - Google Patents
Method for disassembling, lifting and transferring closed type station shield to transferring line to be hoisted out Download PDFInfo
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- CN103032072B CN103032072B CN201210522928.7A CN201210522928A CN103032072B CN 103032072 B CN103032072 B CN 103032072B CN 201210522928 A CN201210522928 A CN 201210522928A CN 103032072 B CN103032072 B CN 103032072B
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Abstract
The invention relates to the field of tunnel shield construction, particularly relates to a method for disassembling, lifting and transferring a closed type station shield to a transferring line to be hoisted out, and solves the problems of a traditional method that the construction period is long, the cost is high and traffic pressure is accelerated. The method comprises the following steps of: reserving a hoisting opening at a transferring station intersection; opening line station construction at a later period; reserving a later-period receiving well of later-period line opening shield construction at the end head of a station; opening a line shield at an early stage, and receiving and moving forwards to enable a cutter disc and a front shield to be located at the position of the reserved hoisting opening; utilizing a Loxic hoisting system to hoist a dissembled piece to be overturned and reversely moved, and hoisting from a negative one-storey and hoisting out from the reserved hoisting opening on a middle plate of a negative two-storey; and recovering temporary traffic and hanging out until the later-period opened line shield is tunneled to the later-period receiving well. According to the method disclosed by the invention, an early-edge opened line station is capped in advance, the traffic is recovered, the waiting time for receiving the shield is reduced, the construction period of the transferring station is shortened and the traffic of a road is recovered in advance; and the method has the advantages of simple process, advanced technology, safety in construction, strong practical applicability and the like.
Description
Technical field
The present invention relates to tunneling shield technical field of construction, be specially the shield structure disintegration of a kind of closed station and promote the method transferred to transfer line and hang out.
Background technology
Along with the quickening of China's metro construction speed, construction period traffic data process seriously restrict subway construction, in order to linking of constructing, some cities are transfer stop one-stage completion, but transfer stop is positioned at crossroad, and traffic data process difficulty is large.In practice of construction, often there will be open in advance station layer and other main body constructions complete after, shield structure does not also arrive at a station, and just must stop work, and the later stage of could constructing after waiting shield structure to arrive at a station to hang out opens remaining stations body.
But, in the construction of transfer stop, need early stage open station layer and station body construction complete, Deng open in advance circuit shield structure arrive at a station disintegrate and hang out from reserved hoisting port, resume traffic after carrying out hoisting port shutoff backfill again, the later stage of could constructing after then carrying out traffic data process opens circuit and all the other station main bodys.
This traditional construction method delays the construction that the later stage opens station main body, increases traffic pressure, and impact operation is open-minded, long construction period, and cost is high, also affects the exploitation of transfer stop surrounding properties simultaneously.
Summary of the invention
The present invention is in order to adopt conventional method when solving existing subway station transfer stop shield-tunneling construction, exist long in time limit, cost is high, strengthen traffic pressure and affect the problem of neighboring buildings construction, provide a kind of closed station shield structure to disintegrate and promote the method transferred to and change to line and hang out.
The present invention adopts following technical scheme to realize: shield structure disintegration in a kind of closed station promotes the method transferred to transfer line and hang out, and comprises the following steps:
Step one, open circuit station construction in advance
A, open circuit station in advance construction of bottom plates after install the reception pedestal opening circuit shield-tunneling construction in advance in advance; Hoisting port is reserved in intersection, transfer stop when middle plate and the top board construction of two layers is born in B, underground; C, underground are born and are carried out backfill after one deck top board is closed and resume traffic;
Step 2, later stage open circuit station construction
Later stage station residue main body construction is carried out after A, traffic data process; B, AT STATION termination reserve the later stage received well that the later stage opens circuit shield-tunneling construction;
Step 3, in advance open circuit shield structure receive reach
Remove connecting bridge bolt after A, shield structure receive, rear combinative utilize battery truck is turned back to shield-tunneling construction active well along circuit and hangs out; B, remove screw machine, utilize battery truck to turn back to shield-tunneling construction well along circuit and hang out, utilize auxiliary cylinder that shield body is advanced to intersection, transfer stop simultaneously, make cutterhead, anterior shield is positioned at reserved hoisting port position; C, at shield body upper weld hanger;
Step 4, disintegration part promote upset and have bad luck preparation
A, bear two layers of top board in underground reserved hoisting port on install Lao Xinge Hoisting System; B, the later stage open circuit station station layer lay track; C, processing flat bogie install in orbit; D, open circuit station receiving terminal head install hoist engine in the later stage, wire rope and the flat bogie front end of hoist engine are connected firmly; E, reception dolly on weld counter-force support;
Step 5, disintegration part promote upset and have bad luck, Lao Xinge Hoisting System is utilized to be risen in negative two layers of underground after on plate by negative three layers of underground one by one by disintegration part, be placed on flat bogie after adopting the upset of Lao Xinge Hoisting System two hook, move later stage received well to hoist engine and hang out;
Step 6, temporary traffic recover
A, at later stage received well surrounding concreting barricade; B, on barricade, set up i iron, and lay steel plate; C, construction in later period station top board to be backfilled; D, to resume traffic, when the later stage opens circuit shield driving to later stage received well, then hang out shield structure after removing steel plate and i iron.
Compared with prior art, the present invention has the following advantages:
1, adopt plate and top board in intersection, transfer stop to reserve hoisting port, guarantee that opening circuit station in advance binds in advance, resumes traffic, provide condition for the later stage opens circuit station residue main body construction, decrease shield structure and receive the stand-by period;
2, adopt Lao Xinge Hoisting System to promote disintegration shield body, achieve shield body and shift to the lifting at later stage construction line station from station in advance, reformed closed station shield structure disintegration new technology, the shortening transfer stop construction period;
3, use battery truck disintegration shield body be transported to the later stage open the later stage received well of circuit after hang out, then adopt steel plate to cover received well well head temporarily, achieve road and resume traffic in advance, simultaneously also facilitate the later stage to open circuit shield hoisting;
In a word, adopt construction method of the present invention, take full advantage of the lifting of Lao Xinge Hoisting System and promote shield body advantage easily, to reserve hoisting port in intersection, transfer stop with it and realize station in advance and bind and resume traffic, guarantee that the later stage opens regular vehicle station owner body and constructs in advance; Use battery truck that disintegration backing body is transported to later stage received well to hang out rear employing steel plate and seal shield structure received well temporarily, resume traffic in advance, receive hang out so that the later stage opens circuit shield structure.Have that technique is simple, advanced technology, construction safety, the advantage such as practical, adopt this technology have successfully completed Changsha Line 2 Metro 7 mark from Xiang River Road driving come left and right line shield structure May I Square transfer stop receive after disintegrate rise to negative two layers, finally reserve shield structure received well from Line 1 to hang out, fill up the shield structure disintegration lifting of China's shield structure closed transfer stop and transferred to the blank that another line hangs out technology, achieve good economic benefit and social benefit.This method is applicable to closed transfer stop shield structure and disintegrates, be also suitable for closed station shield structure disintegrate after from engineerings such as access hang out.
Accompanying drawing explanation
Fig. 1 is the floor map of working procedure of the present invention;
Fig. 2 is the schematic cross section of working procedure of the present invention;
Fig. 3 is the vertical section schematic diagram of working procedure of the present invention;
In figure: 1-opens circuit station in advance; 2-base plate; 3-opens circuit shield structure in advance; 4-receives pedestal; Negative two layers of 5-underground; Plate in 6-; 7-top board; 8-reserves hoisting port; 9-bears one deck in underground; The 10-later stage opens circuit station; The 11-later stage opens circuit shield structure; 12-later stage received well; 13-labor Singh Hoisting System; 14-flat bogie; 15-hoist engine; 16-concrete guard wall; 17-steel plate; 18-hanger; 19-shield-tunneling construction active well.
Detailed description of the invention
The shield structure disintegration of closed station promotes the method transferred to transfer line and hang out, and as shown in Figure 1, 2, 3, comprises the following steps:
Step one, open circuit station 1 in advance and construct
A, open in advance circuit station base plate 2 construct after install in advance open in advance circuit shield structure 3 construction reception pedestal 4; Hoisting port 8 is reserved in intersection, transfer stop when B, the middle plate 6 of negative two layer 5 and top board 7 are constructed; C, negative one deck 9 top board carry out backfill after closing and resume traffic;
Step 2, later stage open circuit station 10 and construct
Later stage station residue main body construction is carried out after A, traffic data process; B, AT STATION termination reserve the later stage received well 12 that the later stage opens the construction of circuit shield structure 11;
Step 3, in advance open circuit shield structure receive reach
Remove connecting bridge bolt after A, shield structure receive, rear combinative utilize battery truck is turned back to 19 along circuit and hangs out; B, remove screw machine, utilize battery truck to turn back to shield-tunneling construction well along circuit and hang out, utilize auxiliary cylinder that shield body is advanced to intersection, transfer stop simultaneously, make cutterhead, anterior shield is positioned at reserved hoisting port position; C, at shield body upper weld hanger 18;
Step 4, disintegration part promote upset and have bad luck preparation
A, bear two layers of top board in underground reserved hoisting port on install Lao Xinge Hoisting System 13; B, the station layer (underground negative two layers) opening circuit station in the later stage lay track; C, processing flat bogie 14 install in orbit; D, open circuit station receiving terminal head install hoist engine 15 in the later stage, wire rope and the flat bogie front end of hoist engine are connected firmly; E, reception dolly on weld counter-force support;
Step 5, disintegration part promote upset and have bad luck, Lao Xinge Hoisting System is utilized to be risen in negative two layers of underground after on plate by negative three layers of underground one by one by disintegration part, be placed on flat bogie after adopting the upset of Lao Xinge Hoisting System two hook, move later stage received well to hoist engine to hang out, concrete disintegration lifting process is as follows:
A, with Lao Xinge hook sleeve on cutterhead on hanger, utilize auxiliary cylinder reaction of bearing to support and above release disintegration cutterhead, then start to be placed on after Lao Xinge promotes cutterhead to the negative two layers of upset in underground and dolly moves later stage received well to hoist engine hang out; B, remove connecting bolt between anterior shield and middle shield, utilize auxiliary cylinder reaction of bearing to support and make anterior shield and middle shield separately, with Lao Xinge hook sleeve on anterior shield on hanger, be placed on after then adopting Lao Xinge to promote anterior shield to negative two layers of upset and dolly moves later stage received well to hoist engine hang out; C, make middle shield and tail shield integral forward lead to intersection with auxiliary cylinder, hinged oil cylinder between shield and tail shield in dismounting, with Lao Xinge hook sleeve on anterior shield on hanger, start Lao Xinge in shield rise to the negative two layers of upset in underground after be placed on and dolly moves later stage received well to hoist engine hang out; D, make tail shield be advanced to intersection with auxiliary cylinder, with Lao Xinge hook sleeve on anterior shield on hanger, start Lao Xinge in shield rise to the negative two layers of upset in underground after be placed on and dolly moves later stage received well to hoist engine hang out.
Step 6, temporary traffic recover
A, at later stage received well surrounding concreting barricade 16; B, on barricade, set up i iron, and lay steel plate 17; C, construction in later period station top board to be backfilled; D, to resume traffic, when the later stage opens circuit shield driving to later stage received well, then remove steel plate and i iron, hang out shield structure.
Case history
This technology is used for Changsha Line 2 Metro seven and marks shield structure totally three intervals, wherein in Xiang River, way station cannot tunnel to interval, May I Square station by the impact of way station in Xiang River on time, when No. 2, May I Square station line regular vehicle station owner body starts to construct, traffic data process is also being carried out in Xiang River Road, because May I Square station needs also to build grade separation and construction station, Line 1 direction main body on May Day, adopt and reserve shield structure disintegration lifting reserved opening in intersection, transfer stop, close main body in advance to carry out overpass bridge and build, then station, traffic construction Line 1 direction main body is replied, after shield launching, May I Square transfer stop main body all completes, at Line 1 shield structure received well bedding steel plate temporary enclosed, Xiang River Road is tunneled after the left and right line shield structure priority of coming moves before the reception of May I Square station and is disintegrated after reserved opening employing Lao Xinge lifting, use battery truck to be transported to Line 1 shield structure hoisting port to hang out, then cover steel plate to resume traffic.Prove this advanced technology, use Lao Xinge lifting process simple, scientific and reasonable with steel plate interim bedding Line 1 direction received well.
At present be generalized to during Line 1 constructs with No. 3 line transfer stops by Changsha MTR, widely the shortening transfer stop construction period, resume traffic in advance.Promotion practice proves, this technical scheme is advanced, practical, and technique is simple, greatly shortens the transfer stop construction period, and filled up the shield structure disintegration lifting of China's shield structure closed transfer stop and transferred to the blank that another line hangs out technology, promotion prospect is good.
Claims (1)
1. shield structure disintegration in closed station promotes the method transferred to transfer line and hang out, and it is characterized in that comprising the following steps:
Step one, in advance open circuit station (1) construction
A, open in advance circuit station base plate (2) construction after install the reception pedestal (4) opened circuit shield structure (3) in advance and construct in advance; Hoisting port (8) is reserved in transfer line intersection when the middle plate (6) of B, underground negative two layers (5) and top board (7) construction; C, underground are born and are carried out backfill after one deck (9) top board is closed and resume traffic;
Step 2, later stage open circuit station (10) construction
Later stage station residue main body construction is carried out after A, traffic data process; B, AT STATION termination reserve the later stage and open the later stage received well (12) that circuit shield structure (11) constructs;
Step 3, in advance open circuit shield structure receive reach
A, open after circuit shield structure receives and remove connecting bridge bolt in advance, rear combinative utilize battery truck is turned back to shield-tunneling construction active well (19) along circuit and hangs out; B, remove screw machine, utilize battery truck to turn back to shield-tunneling construction active well along circuit and hang out, utilize auxiliary cylinder that shield body is advanced to transfer line intersection simultaneously, make cutterhead, anterior shield is positioned at reserved hoisting port position; C, at shield body upper weld hanger (18);
Step 4, disintegration part promote upset and have bad luck preparation
A, bear two layers of top board in underground reserved hoisting port on install Lao Xinge Hoisting System (13); B, the later stage open circuit station station layer lay track; C, processing flat bogie (14) install in orbit; D, open circuit station receiving terminal head install hoist engine (15) in the later stage, wire rope and the flat bogie front end of hoist engine are connected firmly; E, weld on flat bogie counter-force support;
Step 5, disintegration part promote upset and have bad luck, Lao Xinge Hoisting System is utilized to be risen in negative two layers of underground after on plate by negative three layers of underground one by one by disintegration part, be placed on flat bogie after adopting the upset of Lao Xinge Hoisting System two hook, move later stage received well to hoist engine and hang out;
Step 6, temporary traffic recover
A, in later stage received well surrounding concreting barricade (16); B, on barricade, set up i iron, and lay steel plate (17); C, circuit station top board is opened to the later stage backfill; D, to resume traffic, when the later stage opens circuit shield driving to later stage received well, then hang out the later stage after removing steel plate and i iron and open circuit shield structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210522928.7A CN103032072B (en) | 2012-12-08 | 2012-12-08 | Method for disassembling, lifting and transferring closed type station shield to transferring line to be hoisted out |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210522928.7A CN103032072B (en) | 2012-12-08 | 2012-12-08 | Method for disassembling, lifting and transferring closed type station shield to transferring line to be hoisted out |
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| Publication Number | Publication Date |
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| CN103032072A CN103032072A (en) | 2013-04-10 |
| CN103032072B true CN103032072B (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210522928.7A Active CN103032072B (en) | 2012-12-08 | 2012-12-08 | Method for disassembling, lifting and transferring closed type station shield to transferring line to be hoisted out |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953352B (en) * | 2014-04-21 | 2016-03-16 | 中铁四局集团第二工程有限公司 | Closed station long-distance shield structure machine misses the stop tune construction method fast |
| CN105298503B (en) * | 2015-09-16 | 2017-12-19 | 中铁十局集团第三建设有限公司 | Small space shield machine separate launching construction method |
| CN108240226B (en) * | 2018-02-11 | 2019-08-13 | 济南轨道交通集团有限公司 | It closely overlaps the reserved shield sky of subway tunnel synchronized construction and pushes away condition construction method |
| CN110056362B (en) * | 2019-03-26 | 2020-10-30 | 中国电建集团铁路建设有限公司 | Shield receiving and lateral translation hoisting method in air duct of underground excavation station |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101892846A (en) * | 2010-07-13 | 2010-11-24 | 中铁三局集团有限公司 | Shield burial method for receiving and plugging overexcavation gap in high-water-pressure stratum |
| CN102345461A (en) * | 2011-07-23 | 2012-02-08 | 中铁十二局集团有限公司 | Subsequent project and shield driving parallel construction method for long-distance railway tunnel |
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2012
- 2012-12-08 CN CN201210522928.7A patent/CN103032072B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101892846A (en) * | 2010-07-13 | 2010-11-24 | 中铁三局集团有限公司 | Shield burial method for receiving and plugging overexcavation gap in high-water-pressure stratum |
| CN102345461A (en) * | 2011-07-23 | 2012-02-08 | 中铁十二局集团有限公司 | Subsequent project and shield driving parallel construction method for long-distance railway tunnel |
Non-Patent Citations (1)
| Title |
|---|
| 关于盾构法施工速度提升的探讨;崔金洲;《科技与企业》;20120630;第171页 * |
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