CN104314572B - A kind of construction method in the tunnel constructed by outside chamfering two halves rectangle tube coupling - Google Patents
A kind of construction method in the tunnel constructed by outside chamfering two halves rectangle tube coupling Download PDFInfo
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- CN104314572B CN104314572B CN201410503267.2A CN201410503267A CN104314572B CN 104314572 B CN104314572 B CN 104314572B CN 201410503267 A CN201410503267 A CN 201410503267A CN 104314572 B CN104314572 B CN 104314572B
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- rectangle tube
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- 230000008878 coupling Effects 0.000 title claims abstract description 179
- 238000010168 coupling process Methods 0.000 title claims abstract description 179
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 179
- 238000010276 construction Methods 0.000 title claims abstract description 67
- 238000007789 sealing Methods 0.000 claims abstract description 46
- 238000005266 casting Methods 0.000 claims description 15
- 239000004576 sand Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 10
- 239000002689 soil Substances 0.000 claims description 10
- 239000003292 glue Substances 0.000 claims description 9
- 230000005641 tunneling Effects 0.000 claims description 7
- 239000002002 slurry Substances 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000032258 transport Effects 0.000 description 11
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000012856 packing Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- E21D9/0635—Tail sealing means, e.g. used as end shuttering
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses the construction method in a kind of tunnel constructed by outside chamfering two halves rectangle tube coupling, including the jacking construction successively carried out and two stages of shield-tunneling construction；When the maximum thrust that jacking construction is advanced to rectangle tube coupling or working pit can bear and rectangle tube coupling reach from hole design require time, stop jacking construction and be transformed into the shield-tunneling construction stage；When the shield-tunneling construction stage leads Tunnel Endpoint, setting tail sealing circle outside rectangle tube coupling, described tail sealing circle is to be provided with the V-type of length lip or U-shaped sealing ring.The construction party in the tunnel constructed by outside chamfering two halves rectangle tube coupling of the present invention is sent out, simple easily operation, and mechanization degree is high, and efficiency is high, and compared with circular shield construction, scetion utilization is high；Compared with rectangular top pipe construction, advance distance is long；There is good practicality, use demand can be met.The tail sealing circle design uniqueness used, has good sealing property, it is to avoid produce leakage.
Description
Technical field
The invention belongs to tunneling technique field, be specifically related to the construction method in a kind of tunnel constructed by outside chamfering two halves rectangle tube coupling.
Background technology
At present, it is circular shield in the overwhelming majority carrying out constructing.The quantity of its every endless tube sheet is more, exists at sealing many, easily produces leakage.Have is exactly that circular shield section does not has rectangular cross section utilization rate high again.It addition, have many rectangular top pipes at present in construction, it can improve scetion utilization, but owing to being restricted by pipe jacking method self, the distance of jacking is impossible to oversize, and therefore both construction parties send out the use demand that all can not fully meet.
Summary of the invention
Goal of the invention: for the deficiencies in the prior art, it is an object of the invention to provide the construction method in a kind of tunnel constructed by outside chamfering two halves rectangle tube coupling, there is the features such as scetion utilization height, advance distance length.It is a further object of the present invention to provide the tail sealing circle that the construction method in a kind of tunnel constructed by outside chamfering two halves rectangle tube coupling is used, there is the features such as reasonable in design, good seal performance.
Technical scheme: in order to realize foregoing invention purpose, the technical solution used in the present invention is:
The construction method in a kind of tunnel constructed by outside chamfering two halves rectangle tube coupling, including the jacking construction successively carried out and two stages of shield-tunneling construction；
The described jacking construction stage is: earth pressure balance development machine spoir in tunneling process, conveying worm be discharged to be arranged in the native sand pump in shield shell leading portion, then by soil sand pump in casting bank of tubes to soil bucket；The spreading of casting pipe, the connection thimble connector of elbow connect；The casting pipe support that part is provided with band roller at interval of certain distance in tube coupling supports；Bench board and Electric Appliance Cabinet are located in shield shell stage casing；It is provided with shield driving oil cylinder in shield shell back segment, the most entirely stretches within the jacking construction stage；Being provided with hole sealing collar by the rectangle tube coupling periphery of jacking, rectangle tube coupling is that assembled good entirety later hangs in working pit in advance；There is working pit at rectangle tube coupling rear, sets foundation ditch guide rail, main top oil cylinder, main top cylinder rack, rear backup plate and main top hydraulic power unit in working pit, and filling and injecting slurry device is located on working pit, with more piece rectangle tube coupling pad at oil cylinder rear portion, main top；
When the maximum thrust that jacking construction is advanced to rectangle tube coupling or working pit can bear and rectangle tube coupling reach from hole design require time, stop jacking construction and be transformed into the shield-tunneling construction stage；
The described shield-tunneling construction stage, earth pressure balance development machine spoir in tunneling process, conveying worm it is discharged to be arranged in the native sand pump in shield shell leading portion, then by soil sand pump in casting bank of tubes to muck haulage trolley；After a rectangle tube coupling has pushed away, muck haulage trolley is sling in being transported to working pit by electromobile；The lower tube coupling that lower tube coupling transport vehicle conveying is to be installed；The upper tube coupling that upper tube coupling transport vehicle conveying is to be installed；Two tube coupling transport vehicle are dragged by electromobile；Electromobile is installed synchronous grouting assembly apparatus；Tube coupling is installed after lower tube coupling is first installed.
The described shield-tunneling construction stage includes: first removes casting pipe when the shield-tunneling construction stage starts and reserves the rotation of tube coupling, installing space；Lower tube coupling to be installed is being shifted onto on job platform, lower tube coupling is being installed and guarantees that the notch installing sealing ring reveals forward, about two tube coupling sealing strip glue are bonded in seal groove；Installing tube coupling；First upper half tube coupling end-face seal ring glue being stretched out top shield oil cylinder in seal groove later again in shield back casing, bounce back after being pushed against tube coupling end face bottom shield oil cylinder again；Sealing ring glue being stretched out bottom shield oil cylinder in the sealing groove of lower tube coupling end face after having had a fixed gap again again, be pushed against lower tube coupling end face, the rectangular shield then carrying out next ring advances.
When the shield-tunneling construction stage leads Tunnel Endpoint, setting tail sealing circle outside rectangle tube coupling, described tail sealing circle is to be provided with the V-type of length lip or U-shaped sealing ring.
The tail sealing circle in a kind of tunnel constructed by outside chamfering two halves rectangle tube coupling, described tail sealing circle is to be provided with the V-type of length lip or U-shaped sealing ring.
The long lip of described tail sealing circle touches with rectangle tube coupling, and brachycheilia limit touches with ground body of wall.
Described tail sealing circle has 4 roads, and side-by-side parallel is spaced to be located between a joint rectangle tube coupling and ground body of wall, when in its compressed state, guarantees that at least one tail sealing encloses sealing function in any position.
Beneficial effect: compared with prior art, outside chamfering two halves rectangle tube coupling the construction party in the tunnel constructed of the present invention sends out, simple easily operation, and mechanization degree is high, and efficiency is high, and compared with circular shield construction, scetion utilization is high；Compared with rectangular top pipe construction, advance distance is long；There is good practicality, use demand can be met.The tail sealing circle design uniqueness used, has good sealing property, it is to avoid produce leakage.
Accompanying drawing explanation
Fig. 1 is the structural representation in the tunnel constructed by outside chamfering two halves rectangle tube coupling；
Fig. 2 is the vertical direction sectional view in the tunnel constructed by outside chamfering two halves rectangle tube coupling；
Fig. 3 is the horizontal direction sectional view in the tunnel constructed by outside chamfering two halves rectangle tube coupling；
Fig. 4 is jacking construction stage schematic diagram；
Fig. 5-16 is shield-tunneling construction each stage schematic diagram；
Figure 17 is tail sealing coil structures schematic diagram；
Figure 18 is the enlarged drawing of tail sealing circle.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is further illustrated.
As it is shown in figure 1, a kind of tunnel, being made up of the two halves rectangle tube coupling of outside chamfering, the one in two halves rectangle tube coupling is to be coupled to a ring rectangle tube coupling by little upper tube coupling 1 and big lower tube coupling 2, and another kind is to go up greatly tube coupling 3 and little lower tube coupling 4 is coupled to a ring rectangle tube coupling；The first chamfering 5 and the second chamfering 6 is had outside the both sides of each ring rectangle tube coupling.Being bound up by the rectangle tube coupling of many alternate layouts of both tube couplings, become a tunnel, tunnel top is domed, and adjacent two ring rectangular tube internodes set sealing ring 15.
As shown in Figures 2 and 3, adjacent little upper tube coupling 1 is configured with packing ring and nut with big upper tube coupling 3 by upper tube coupling double end coupling bolt 7() it is connected, upper tube coupling double end coupling bolt 7 is located in tube coupling bolt conjunction 8.Adjacent big lower tube coupling 2 is configured with packing ring and nut with little lower tube coupling 4 by lower tube coupling double end coupling bolt 10() it is connected, lower tube coupling double end coupling bolt 10 is located in lower tube coupling bolt conjunction 11.The little upper tube coupling 1 of same rectangle tube coupling is all configured with packing ring and nut by upper and lower tube coupling coupling bolt 12(with big lower tube coupling 2 or big upper tube coupling 3 with little lower tube coupling 4) it is connected, upper and lower tube coupling coupling bolt 12 is located in upper and lower tube coupling bolt conjunction 13.On little tube coupling 1 and big on be equipped with tube coupling injected hole 16 on tube coupling 3, be equipped with lower tube coupling injected hole 14 at big lower tube coupling 2 on little lower tube coupling 4, big lower tube coupling 2, big on the both sides of tube coupling 3 be equipped with injected hole 9.On little between tube coupling 1 with big lower tube coupling 2, big on be provided with between tube coupling 3 with little lower tube coupling 4 and be connected with sealing strip 18, big lower tube coupling 2 and little lower tube coupling 4 are provided with lower tube coupling connection preformed hole 17, and little upper tube coupling 1 is provided with tube coupling connection preformed hole 19 with big upper tube coupling 3.
This constructing tunnel process is divided into two stages: first stage uses jacking construction, and second stage uses shield-tunneling construction.In jacking construction phase process, no matter advancing many distance, as long as the limit that thrust has reached to set is converted into shield-tunneling construction the most immediately.
The jacking construction stage, as shown in Figure 4, the earth pressure balance development machine 20 spoir in tunneling process, conveying worm 21 it is discharged to be arranged in the native sand pump in shield shell leading portion 23, then by soil sand pump 22 in casting pipe 25 is discharged to soil bucket 34.The spreading of casting pipe, the connection thimble connector 28 of elbow connect.The casting pipe support 29 that part is provided with band roller at interval of certain distance in tube coupling supports.Bench board and Electric Appliance Cabinet are located in shield shell stage casing 24.Being provided with shield driving oil cylinder 26 in shield shell back segment 27, it is stretched within the jacking construction stage the most entirely.Being provided with hole sealing collar 30 by rectangle tube coupling 31 periphery of jacking, rectangle tube coupling 31 is that the well later entirety of a ring ring assembly on the ground hangs in working pit.If main top oil cylinder stroke is long, then can once hang in a few ring, then advance.There is working pit 40 at rectangle tube coupling 31 rear, sets foundation ditch guide rail 32, main top oil cylinder 33, main top cylinder rack 35, rear backup plate 36 and main top hydraulic power unit 39 in working pit 40, and filling and injecting slurry device 38 is located on working pit 40.Because working pit 40 be shield-tunneling construction and jacking construction public, when it for push pipe time just seem oversize, it is necessary to pad at oil cylinder rear portion, main top with more piece rectangle tube coupling 37.Rectangle tube coupling now only plays cushion block effect, must remove, so sealing ring need not be installed when being transformed into shield-tunneling construction.
The construction in jacking construction stage is compared with the shield-tunneling construction stage, and construction speed to spend fast many, but the distance that it advances can not be oversize.When the maximum thrust that jacking construction is advanced to rectangle tube coupling or working pit can bear and rectangle tube coupling reach from hole design require time, it is necessary to stop jacking construction and it be transformed into the shield-tunneling construction stage.
The shield-tunneling construction stage, the earth pressure balance development machine 20 spoir in tunneling process, conveying worm 21 it is discharged to be arranged in the native sand pump in shield shell leading portion 23, then by soil sand pump 22 in casting pipe 25 is discharged to muck haulage trolley.After a ring rectangle tube coupling has pushed away, muck haulage trolley is sling in being transported to working pit by electromobile.The lower tube coupling that lower tube coupling transport vehicle conveying is to be installed.The upper tube coupling that upper tube coupling transport vehicle conveying is to be installed.Two tube coupling transport vehicle are dragged by electromobile.Electromobile is installed synchronous grouting assembly apparatus.As shown in Figure 5, when the jacking construction stage terminate the shield-tunneling construction stage start time first two gate valves of shield shell back segment 27 In-pit dumping pipe 25 are closed, unclamp the thimble connector between two gate valves, these two sections of casting pipes respectively to about both direction turnback, reserve the rotation of tube coupling, installing space.Lower tube coupling to be installed is shifted onto on job platform 41, as shown in Figure 6.Extract the bearing pin between upper and lower tube coupling transport vehicle, slightly moving after upper tube coupling, stretch out and be located at pulley two oil cylinder 53 of wire rope pulley 54 both sides and arrive suitable position, stretch out steel wire rope oil cylinder 52, steel wire rope, hoisting sling and lower tube coupling suspender are linked together, as shown in Figure 7 simultaneously.Then, retraction steel wire rope oil cylinder is sling lower tube coupling and is bounced back after certain altitude while bottom shield oil cylinder 26 with manually lower tube coupling transport vehicle being shifted forward onto spacing place.Owing to job platform 41 and track are that the shield oil cylinder with bottom is bound up, so it also moves together with the shield oil cylinder of bottom, thus leave the space installing lower tube coupling, as shown in Figure 8, now, top shield oil cylinder can not bounce back, and otherwise development machine and shield housing etc. can retreat.With manually lower tube coupling being turned 90 ° by the direction specified, the notch installing sealing ring must reveal forward.Stretching out steel wire rope oil cylinder again allows lower tube coupling fall shield shell back segment bottom surface, as shown in Figure 9.Allow bottom shield oil cylinder stretch out at leisure lower tube coupling is pushed away backward, as shown in Figure 10.After shifting position onto, then with lower tube coupling double end coupling bolt, packing ring and nut front and back descending tube coupling to be bound up.Meanwhile, about two tube coupling sealing strip glue are bonded in seal groove, as shown in figure 11.So far, lower tube coupling has been installed and has been put in place, next prepares to install tube coupling.First shield oil cylinder retraction in top is put in place, shifting suitable position onto, as shown in figure 12 with tube coupling on storage battery handlebar.Then, the oil pump on tube coupling in startup, opens upper tube coupling installation oil cylinder after being raised to certain altitude, with being manually slowly rotated with upper tube coupling by the direction specified, while allowing electromobile move forward and backward as required.Until upper tube coupling opens after having turned 90 ° again goes up tube coupling, after having had certain interval δ between upper and lower tube coupling, as shown in figure 13.Allow upper tube coupling be fallen after tube coupling and the most mounted upper tube coupling are pressed close on this with electromobile again and rest on lower tube coupling.Allowing upper tube coupling be fallen after tube coupling and the most mounted upper tube coupling are pressed close on this with electromobile rests on lower tube coupling again, finally upper and lower tube coupling transport vehicle is linked together, as shown in figure 14.Move working pit to the transport vehicle of tube coupling up and down that storage battery handlebar is empty and tube coupling up and down next time is installed.First upper half tube coupling end-face seal ring glue being stretched out top shield oil cylinder in seal groove later again in shield back casing, bounce back after being pushed against tube coupling end face bottom shield oil cylinder again.Again sealing ring glue is stretched out bottom shield oil cylinder in the sealing groove of lower tube coupling end face after having had a fixed gap again, be pushed against lower tube coupling end face, as shown in figure 15.Then the rectangular shield carrying out next ring advances, and spoir soil sand pump pumps out, and is discharged to muck haulage trolley by discharge pipeline, finally transports with electromobile, as shown in figure 16.Owing to having had chamfering in tube coupling two sides, side presents wavy, seal at tail sealing ring chamfering the most outside is to lose efficacy, so the tail sealing circle being suitable for mutually must be designed, as shown in FIG. 17 and 18, it is a kind of V sealing ring having length lip, it is provided with four roads in the range of a pipe joint byte wide, so may insure that when no matter shield tail is in any relative position with tube coupling, at least one sealing ring works, and does not haves the situation of seal failure.
Claims (3)
1. the construction method in the tunnel constructed by outside chamfering two halves rectangle tube coupling, it is characterised in that include jacking construction and two stages of shield-tunneling construction successively carried out；
The described jacking construction stage is: earth pressure balance development machine spoir in tunneling process, conveying worm be discharged to be arranged in the native sand pump in shield shell leading portion, then by soil sand pump in casting bank of tubes to soil bucket；The spreading of casting pipe, the connection thimble connector of elbow connect；The casting pipe support that part is provided with band roller at interval of certain distance in tube coupling supports；Bench board and Electric Appliance Cabinet are located in shield shell stage casing；It is provided with shield driving oil cylinder in shield shell back segment, the most entirely stretches within the jacking construction stage；Being provided with hole sealing collar by the rectangle tube coupling periphery of jacking, rectangle tube coupling is that assembled good entirety later hangs in working pit in advance；There is working pit at rectangle tube coupling rear, sets foundation ditch guide rail, main top oil cylinder, main top cylinder rack, rear backup plate and main top hydraulic power unit in working pit, and filling and injecting slurry device is located on working pit, with more piece rectangle tube coupling pad at oil cylinder rear portion, main top；
When the maximum thrust that jacking construction is advanced to rectangle tube coupling or working pit can bear and rectangle tube coupling reach from hole design require time, stop jacking construction and be transformed into the shield-tunneling construction stage；
The described shield-tunneling construction stage, earth pressure balance development machine spoir in tunneling process, conveying worm it is discharged to be arranged in the native sand pump in shield shell leading portion, then by soil sand pump in casting bank of tubes to muck haulage trolley；After a rectangle tube coupling has pushed away, muck haulage trolley is sling in being transported to working pit by electromobile；The lower tube coupling that lower tube coupling transport vehicle conveying is to be installed；The upper tube coupling that upper tube coupling transport vehicle conveying is to be installed；Two tube coupling transport vehicle are dragged by electromobile；Electromobile is installed synchronous grouting assembly apparatus；Tube coupling is installed after lower tube coupling is first installed.
The construction method in the tunnel constructed by outside chamfering two halves rectangle tube coupling the most according to claim 1, it is characterised in that the described shield-tunneling construction stage includes: first removes casting pipe when the shield-tunneling construction stage starts and reserves the rotation of tube coupling, installing space；Again lower tube coupling to be installed is shifted onto on job platform, lower tube coupling is installed and guarantees that the notch installing sealing ring reveals forward, about two tube coupling sealing strip glue are bonded in seal groove；Install tube coupling again；First upper half tube coupling end-face seal ring glue being stretched out top shield oil cylinder in seal groove later again in shield back casing, bounce back after being pushed against tube coupling end face bottom shield oil cylinder again；Sealing ring glue being stretched out bottom shield oil cylinder in the sealing groove of lower tube coupling end face after having had a fixed gap again again, be pushed against lower tube coupling end face, the rectangular shield then carrying out next ring advances.
The construction method in the tunnel constructed by outside chamfering two halves rectangle tube coupling the most according to claim 1, it is characterized in that, when the shield-tunneling construction stage leads Tunnel Endpoint, setting tail sealing circle outside rectangle tube coupling, described tail sealing circle is to be provided with the V-type of length lip or U-shaped sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410503267.2A CN104314572B (en) | 2014-09-17 | 2014-09-28 | A kind of construction method in the tunnel constructed by outside chamfering two halves rectangle tube coupling |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2014104738024 | 2014-09-17 | ||
| CN201410473802 | 2014-09-17 | ||
| CN201410473802.4 | 2014-09-17 | ||
| CN201410503267.2A CN104314572B (en) | 2014-09-17 | 2014-09-28 | A kind of construction method in the tunnel constructed by outside chamfering two halves rectangle tube coupling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104314572A CN104314572A (en) | 2015-01-28 |
| CN104314572B true CN104314572B (en) | 2016-08-24 |
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| CN201410503267.2A Active CN104314572B (en) | 2014-09-17 | 2014-09-28 | A kind of construction method in the tunnel constructed by outside chamfering two halves rectangle tube coupling |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105507910B (en) * | 2015-12-11 | 2018-09-11 | 山东万广建设工程有限公司 | A kind of novel rectangular tube coupling and its shield-tunneling construction installation method |
| JP6636989B2 (en) * | 2017-05-26 | 2020-01-29 | 植村 誠 | Open shield method and concrete box used for it |
| CN107387872B (en) * | 2017-06-08 | 2019-11-12 | 山东万广建设工程有限公司 | - half tube coupling shield compatible apparatus of push pipe and its coupling method |
| CN108361054B (en) * | 2018-01-22 | 2020-04-07 | 中蓝长化工程科技有限公司 | Construction method for roadway in compact broken rock stratum |
| CN109162729B (en) * | 2018-10-19 | 2023-12-12 | 中铁隧道局集团有限公司 | Multi-opening multi-pipe-section type large-section tunnel, construction method, pipe section connecting structure and connecting method |
| CN111335919A (en) * | 2020-03-20 | 2020-06-26 | 重庆渝高科技产业(集团)股份有限公司 | Prefabricated pipe joint pushing method |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3425607B2 (en) * | 1994-02-15 | 2003-07-14 | 株式会社竹中土木 | Construction method of super large section rectangular shield tunnel |
| CN1215276C (en) * | 2002-07-25 | 2005-08-17 | 上海隧道工程股份有限公司 | Earth pressure balancing technology for laying rectangular top pipe |
| CN201705359U (en) * | 2010-06-21 | 2011-01-12 | 中国石油天然气集团公司 | Tail shield sealed water-proof structure of shield machine |
| CN202055835U (en) * | 2011-05-13 | 2011-11-30 | 上海力行工程技术发展有限公司 | Segment for connecting a shield machine and transition connection device of a joint for pipe jacking method |
| CN203066987U (en) * | 2013-01-25 | 2013-07-17 | 中铁隧道勘测设计院有限公司 | Dislocation-prevention and large section earth pressure balance rectangular jacking pipe joint for motor vehicle tunnel |
| CN103993887B (en) * | 2014-05-14 | 2016-05-18 | 江苏广泓重工设备有限公司 | Tilting two halves rectangle tube coupling shield structure and assemble method thereof for Rectangular Tunnel Construction |
| CN204186392U (en) * | 2014-09-17 | 2015-03-04 | 江苏广泓重工设备有限公司 | A kind of tail sealing circle of the tunnel constructed by outside chamfering two halves rectangle tube coupling |
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2014
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