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赴大陸地區研究心得報告

Geotechnical Aspects of Underground Construction in Soft Ground, IS-Shanghai 2008"國際研討會。 Symposium on Geotechnical Aspects of Underground Construction in Soft Ground, IS-Shanghai 2008"國際研討會。

本計劃南段隧道長 8.95 公里,是以直徑十四公尺的潛盾機(目前為全世界最 的公路工程,上海城建集團則在印度德里捷運參與 BC-25,BC-32 與 AMEL-C5 三個標,反觀我國則僅有大陸工程在德里捷運拿下 BC-16 一個標),因此對工程 師國際化訓練的推動上,不遺餘力。該兩個集團在推動公司內部國際化上的作 法,以及和學校間的合作,是很值得台灣產業界與學界做借鏡的。

從四月十日到十二日的中午,報告人轉往上海同濟大學參加 IS-Shanghai 2008 國際研討會。並應邀在本研討會中,以"Observations of deep excavations in sand"為題,發表口頭報告。來自台灣參加本研討會的代表,還包括東南亞大地 工程學會主席,也是亞新工程顧問公司副總經理秦中天博士(擔任 general reporter),以及中原大學土木系馮道偉教授。除了來自當地的貴賓外,來參加本 研討會的大地工程界知名人物還包括國際土壤力學與大地工程學會現任主席

Pinto 教授,還有 TC28 委員會的主席 Kastner 教授(Kastner 教授是目前台灣常 用的開挖分析軟體 RIDO 的重要開發成員之ㄧ)。本次的與會者有兩百多人,來 自於將近 20 個國家。研討會的 Keynote Speech 和演講者,分別為:

(1) “Overview of Shanghai Yangtze Rive Tunnel Project” given by Mr. R. Huang.

(2) “Supportive excavations in clay-from analysis to decision-making” given by Professor M. Bolton.

(3) “Processes ground a TBM” given by Professor A Bezuijen.

(4) “Underground Construction in decomposed residual soils” given by Professor I.

M. Lee.

此外,更安排 6 場 general reporter 的報告,讓所有與會者對本次研討會所收 錄的文章都能有簡單了解的機會。

以下,就簡要的說明報告人對參與本次研討會的重要心得。

(1) 大部份深開挖和潛盾工程所能收集到的案例,還是以黏土為主,以砂土做為 背景的,非常罕見,也有值得進一步探討之必要。

(2) 現地實驗的結果,可以有效的作為設計和分析參數之用。因此,有加強推廣 高品質的現地實驗的需要。

(3) 土壤的非線性行為,在模擬深開挖和潛盾工程時,仍扮演非常重要的角色。

(4) 由於操作介面較為簡單,PLAXIS 已有凌駕 FLAC,成為最受大家歡迎的軟體 的趨勢。

(5) 三維分析可以得到較準確的結果,但因操作方便,節省時間,仍有許多人以 二維分析來替代三維分析。

(6) 風險評估在未來的地下工程,將扮演越來越重要的角色。

(7) 因為鄰近建物/地下結構物的重要性,已有相當的分析將地上/地下結構物放入 分析模式中一併分析,而非過去的 Greenfield analysis。

照片一 長江隧道工程 (背景為潛盾機頭)

照片二 聯絡通道施工

照片三 拜會 ICE- CTC

照片四 拜會上海 ICE 分會

照片五 舉辦 IS- Shanghai 國際研討會的同濟大學

照片六 上海地鐵內的一景

照片七 與國際土壤力學與大地工程學會主席 Pinto 教授合影

附件一

Schedule of Dr. Benson Hsiung, ICE Taiwan Visiting ICE Shanghai Branch

(9th April, 2008)

8th April:

20:30 Arrival at Shanghai Pudong Intn. Airport by Dragon Air, flight KA437

Dr. Guanlin Ye receives guest from airport.

Check-in Hanting Express Hotel (955 Fanyu Road near Hong Qiao Road ) 9th April

7:40am Meeting Professor Lin Shaopei at Hanting Express Hotel

8:00am Departure from Faculty Club of Shanghai Jiao Tong University for Tunnel

Meeting with Mr. Hu Zhangxi (胡章喜), Deputy Director, Shanghai Tunnel Engineering Design Institute.

Mr. Alex Mitchell, Director, Ecological Planning & Design Department, Arup, Shanghai and other 4 Arup colleagues.

9:15am Arrival of Yantze Tunnel Administration Bureau 9:30-11:00am Visiting the site of Yantze River Tunnel

11:00-12:30am Return to downtown Shanghai 12:30-13:30pm Lunch Feast

14:00-16:30pm Visiting ICE China Training Centre and Institute of Engineering Management, Shanghai Jiao Tong University

Meeting with Dr. Hao Hu(胡昊), Director, ICE China Training Centre(CTC)

Dr. Zhen Huang(黄真), Deputy Director, ICE –CTC Prof. Lin Shaopei(林少培), Director General, ICE Shanghai Prof. Shuilong Shen(沈水龙),Department of Civil Eng. SJTU Dr. Guanlin Ye (叶冠林) ,Department of Civil Eng. SJTU Introduction of ICE-CTC by Dr. Huao Hu, Director, ICE-CTC Introduction of ICE-CPD program by Dr. Zhen Huang, Dean of CPD Program

17:30-18:30pm Visiting ICE Shanghai Branch

Meeting with Mr. Jiang Zhiquan (蒋志权),Chairman, ICE Shanghai Branch Prof. Lin Shaopei(林少培), Director General, ICE Shanghai (On behalf of Mr. Geoffrey Mills, ICE China representative) Dr.Bai Yun(白云),ICE Shanghai Board Director

Mr.Xia Jun (夏均) ,ICE Shanghai Board Director

Dr. Hao Hu(胡昊), Director, ICE China Training Centre(CTC)

Dr. Zhen Huang(黄真), Deputy Director, ICE –CTC, ICE Shanghai Board Director

Dr. Mark Wang(王之宏),ICE Shanghai Board Director Introduction of ICE activities in Taiwan by Dr. Benson Hsiung Introduction of ICE activities in Shanghai by Prof. Lin Shaopei 18:30-20:00pm Dinner Feast hosted by Mr. Jiang Zhiquan, Chairman of ICE

Shanghai Branch

20:30pm Check in Hotel near Tongji University

附件二

9 April 2008 (Wednesday)

Registration

08:00-22:30 Venue: First floor of Days Hotel

Meeting of TC28 Committee

15:30-18:30 Venue: NO.3 meeting room of Days Hotel

10 April 2008 (Thursday)

Registration

08:00-18:30 Venue: Sino-France Center

Opening Ceremony Chair: C .W. W. Ng

09:00-09:30 Venue: “12.9” auditorium

Coffee, Posters & Exhibition

09:30-10:00 Venue: “12.9” auditorium

10:00-11:00 R. Huang - “Overview of Shanghai Yangtze River Tunnel Project”

Special Lectures Chairs:R.Mair and Z.Y.Chen

Venue:“12.9” auditorium 10:00-12:00

11:00-12:00 M. Bolton -“Supportingexcavations in clay-from analysis to decision-making”

Lunch Break

12:00-13:30 Venue: The third floor of Days Hotel

13:30-14:00 R. Finno - “Analysis and numerical modeling of deep excavations”

14:00-14:30 T. Hashimoto — “Construction method, ground treatment, and conditioning for tunneling”

General Reports Chairs:H.Quick and H.L.Liu Venue: Room C201 Sino-France

Center 13:30-15:00

14:30-15:00 A. Sfriso — “Case histories”

Coffee, Posters & Exhibition

15:00-15:30 Venue: Sino-France Center

Session A: Physical and numerical modeling Chairs: R.Pang and M.X.Zhang

Venue: Room C201 Sino-France Center Parallel Sessions

15:30-18:00

Session B: Construction method, ground treatment, and conditioning for tunneling

Chairs: A.Negro and Z.X.Zhang

Venue: Room C301 Sino-France Center

Session C: Case histories Chairs: J.Stangding and S.L.Shen Venue: Room C401 Sino-France Center

18:30-19:30 Welcome Reception Venue: The third floor of Days Hotel

11 April 2008 (Friday)

08:00-18:30 Registration Venue: Sino-France Center

08:30-09:30 A. Bezuijen — “Processes around a TBM”

08:30-10:30

Special Lectures Chairs: R.N.Taylor and L.D.Yang

Venue:Room C201 Sino-French Center

09:30-10:30 I.M. Lee —“Underground construction in decomposed residual soils”

10:30-11:00 Coffee, Posters & Exhibition Venue: Sino-France Center

11:00-11:30 C.T. Chin — “Safety issues, risk analysis, hazard management and control”

11:30-12:00 R. Pang — “Physical and numerical modeling”

11:00- 12:30

General Reports Chairs:A.Guilloux and F. Zhang Venue: Room C201 Sino-France

Center

12:00-12:30 R. Kastner — “Calculation and design methods, and predictive tools”

12:30-14:00 Lunch Break Venue: The third floor of Days Hotel

Session A: Safety issues, risk analysis, hazard management and control

Chairs:E.Li and G. Zheng

Venue: Room C201 Sino-France Center

Session B: Analysis and numerical modeling of deep excavations

Chairs: J.P.Hsi and J.H.Wang

Venue: Room C301 Sino-France Center 14:00-16:00 Parallel Sessions

Session C: Calculation and design methods and predictive tools

Chairs: K.J.Bakker and W.M.Ye

Venue: Room C401 Sino-France Center

Coffee, Posters & Exhibition

16:00-16:30 Venue: Sino-France Center

Special Session of Big projects Chairs:Y.Bai and W.Q.Ding

16:30-18:30 Venue: Room C201 Sino-France Center

Closing Ceremony Chair: R.Kastner

Venue: Room C201 Sino-France Center 18:30-18:50

Closing remarks by R.Mair and G.B.Liu

Banquet Chair: M.S.Huang

Venue: The Banqueting Hall of the Crowne Plaza Hotel 19:30-21:30

Fudan

12 April 2008 (Saturday)

Technical visits Shanghai Yangtze River Tunnel

Engineering

Meeting point: The entrance of Sino-France Center 08:15-11:30

Guider: Y. Huang, J.X. Wang,X.J.LI & J.F.Chen

Lunch Break

12:30-14:00 Venue: The third floor of Days Hotel

10 April 2008 (thursday)

Chairs:R.Mair and Z.Y.Chen Special Lectures

10:00-12:00

Venue: “12.9” auditorium

10:00-11:00 R. Huang — “Overview of Shanghai Yangtze River Tunnel Project”

Special

11:00-12:00 M. Bolton —“Supportingexcavations in clay-from analysis to decision-making”

Lectures

Lunch Break

12:00-13:30 Venue: The third floor of Days Hotel

Chairs:H.Quick and H.L.Liu General Reports

13:30-15:00

Venue: Room C201 Sino-France Center 13:30-14:00 R. Finno — “Analysis and numerical modeling of deep excavations”

14:00-14:30 T. Hashimoto — “Construction method, ground treatment, and conditioning for tunneling”

General Reports

14:30-15:00 A. Sfriso — “Case histories”

Coffee, Posters & Exhibition

15:00-15:30 Venue: Sino-France Center

Parallel Sessions

15:30-18:00 Venue: Sino-France Center C201/C301/C401

15:30-18:00 Parallel Sessions---Physical and numerical modeling Chairs: R.Pang and M.X.Zhang , Venue:Room C201 Sino-French Center Parallel

Sessions

P.Caporaletti, A.Burghignoli, G.Scarpelli, R.N.Taylor - "Assessment of tunnel stability in layered ground" (IS-352)

K. Date, R.J. Mair, K. Soga-"Reinforcing effects of forepoling and facebolts in tunneling" (IS-296) J.H. Du, H.W Huang - " Mechanical behavior of closely spaced tunnels - laboratory model tests and FEM analyses" (IS-173)

T. Kasper, P.G. Jackson - " Stability of an underwater trench in marine clay under ocean wave impact" (IS-002)

S.D. Lee, D.I. Kim -" Behavior of Tunnel Due to Adjacent Ground Excavation under the Influence of Pre-Loading on Braced Wall" (IS-279)

S.D. Lee, J.W. Yang, K.H. Jeong, J.H. Choi - " A Study on Behavior of 2-Arch Tunnel by a Large model experiment" (IS-092)

Y. Li, Z.X. Zhang, F. Emeriault, R. Kastner - " Stability Analysis of Large Slurry Shield-driven Tunnel in Soft Clay" (IS-065)

A.M. Marshall & R.J. Mari - " Centrifuge modeling to investigate soil-structure interaction mechanisms resulting from tunnel construction beneath buried pipelines" (IS-152)

H.M.Shahin, T.Nakai, F.Zhang, M.Kikumoto, Y.Tabata, E. Nakahara - " Ground movement and earth pressure due to circular tunneling: model tests and numerical simulations" (IS-341)

J. Yao, R. N. Taylor, and A. M. McNamara - " The effects of loaded bored piles on existing tunnels"

(IS-040)

15:30-18:00 Parallel Sessions---Construction method, ground treatment, and conditioning for tunneling

Chairs: A.Negro and Z.X.Zhang, Venue:Room C301 Sino-French Center K.J.Bakker, A. Bezuijen - " 10 Years of Bored tunneling in the Netherlands" (IS-368A) K.J.Bakker, A. Bezuijen - " 10 Years of Bored tunneling in the Netherlands" (IS-368B) A. Bezuijen, K.J. Bakker - " The influence of flow around a TBM machine" (IS-131)

A. Bezuijen, A.F. van Tol - "Mechanisms that determine between fracture and compaction grouting in sand" (IS-119)

K. Gafar, K. Soga, A. Bezuijen, M.P.M. Sanders, A.F. van Tol - " Fracturing of sand in compensation grouting " (IS-130)

M. Hajialilue-Bonab, H. Sabetamal, H. Katebi, M. Ahmadi-adl - " Experimental study on compressibility behavior of foamed sandy soil" (IS-357)

T. Hashimoto, G.L. Ye, J. Nagaya, T. Konda, X.F. Ma - " Study on earth pressure acting upon shield tunnel lining in clayey and sandy ground based on field monitoring" (IS-038)

A. O. Sfriso - " Metro Tunnels In Buenos Aires: Design And Construction Procedures 1998- 2007"

(IS-020)

A.M.Talmon, A.Bezuije - " Backfill grouting research at Groene Hart Tunnel" (IS-295)

Y.Q. Tang, Z.D. Cui & X. Zhang - "Dynamic response of saturated silty clay around a tunnel under subway vibration loading in Shanghai"(IS-365)

15:30-18:00 Parallel Sessions---Case histories

Chairs: J.Stangding and S.L.Shen , Room C401 Sino-French Center

A. Guilloux, H. Le Bissonnais, J. Marlinge, H. Thiebault, J. Ryckaert, G. Viel, F. Lanquette, A.

Erridaoui, M. Hu Quishen - "Case history on a railway tunnel in soft rock (Morocco)" (IS-367) B.C.B. Hsiung, H. Y. Chua - " Observed behaviours of deep excavations in sand "(IS-005)

T. Konda, H. Ota, T. Yanagawa, A. Hashimot - " A Behavior of Ground Deformation due to Braced Excavation Based on Observed data" (IS-337)

T.Liu,G.B.Liu,C.W.W. Ng - " the Construction and Field Monitoring of a Deep Excavation in Soft Soil" (IS-029)

N.H. Osborne, C.C. Ng, C.K. Cheah - "The Benefits of Hybrid Ground Treatment in Significantly Reducing Wall Movement: A Singapore Case History " (IS-378)

H.Quick ,J.Michael,S.Meissner,U.Arsla - "Challenging urban tunneling projects in soft soil conditions "(IS-358)

C. Yoo, S.B. Kim, Y.J. Lee - " Characteristics of tunneling-induced ground settlement in groundwater drawdown environment" (IS-329)

K.W.K. Wong, N.W.H. Ng, L.P.P. Leung, Y. Chan - " Kowloon Southern Link - TBM Crossing Over MTR Tsuen Wan Line Tunnels in Hong Kong" (IS-370)

W. Broere & J. Dijkstra - " Investigating the influence of tunnel volume loss on piles using photoelastic techniques"(IS-317)

11 April 2008 (Friday)

08:30-10:30 Special Lectures Chairs: R.N.Taylor and L.D.Yang Venue: Room C201 Sino-France Center 08:30-09:30 A. Bezuijen — “Processes around a TBM”

Special

Lectures 09:30-10:30 I.M. Lee —“Underground construction in decomposed residual soils”

10:30-11:00 Coffee, Posters & Exhibition Venue: Sino-France Center

11:00- 12:30 General Reports Chairs:A.Guilloux and F. Zhang

Venue: Room C201 Sino-France Center

11:00-11:30 C.T. Chin — “Safety issues, risk analysis, hazard management and control”

11:30-12:00 R. Pang — “Physical and numerical modeling”

General Reports

12:00-12:30 R. Kastner — “Calculation and design methods, and predictive tools”

12:30-14:00 Lunch Break Venue: The third floor of Days Hotel

14:00-16:00 Parallel Sessions Venue: Sino-France Center C201/C301/C401

14:00-16:00 Parallel Sessions---Safety issues, risk analysis, hazard management and control

Chairs:E.Li and G. Zheng, Room C201 Sino-French Center

M. Gutierrez, C.C. Xia - " Squeezing Potential of Tunnels in Clays and Clayshales from Normalized Undrained Shear Strength, Unconfined Compressive Strength and Seismic Velocity " (IS-369) Parallel

Sessions

X. Han, G.Y. Ding - " Framework of performance-based fire protection design method for road tunnel" (IS-374)

T.S.K. Lam - " Performance Review of a Pipe Jacking Project in Hong Kong" (IS-380)

W. Lee, S.S. Chung, K.J. Roberts, P.L.R. Pang - " Geotechnical Control of a Major Railway Project Involving Tunnel Works in Hong Kong" (IS-372)

N.H. Osborne, C.C. Ng, D.C. Chen, G.H. Tan, J. Rudi, K.M. Latt - " Maximising the Potential of Strain Gauges: A Singapore Perspective" (IS-376)

R. Wang , Z.Z. Ma, G.B. Liu, D.P. Liu - " Discussion on Design Method for Retaining Structures of Metro Station Deep Excavations in Shanghai" (IS-125)

Y.R. Yan, H.W. Huang, Q.F. Hu - " Risk Analysis for Cutterhead Failure of Composite EPB Shield Based on Fuzzy Fault Tree" (IS-293)

C. P. Yao, H. W. Huang, Q. F. Hu - " Risk Assessment on Environment Impact in Xizang Road Tunnel" (IS-294)

14:00-16:00 Parallel Sessions---Analysis and numerical modeling of deep excavations Chairs: J.P.Hsi and J.H.Wang , Room C301 Sino-French Center

J.Hsi, H. Zhang, T. Kokubu - " Three-dimensional finite element analysis of diaphragm walls for top-down construction" (IS-158)

L. li - "Numerical evaluation of dewatering effect on deep excavation in soft clay"(IS-066) Z.H. Li, H.W. Huang - " Construction Monitoring and Numerical Simulation of an Excavation with SMW Retaining Structure"(IS-305)

H. Ota, H. Ito, T. Yanagawa, A. Hashimoto, T. Hashimoto, T. Konda - " Consideration of Design Method for Braced Excavation Based on Monitoring Results" (IS-338)

N. Phienwej - " Ground Movements in Station Excavations of Bangkok First MRT " (IS-382) A. Siemińska-Lewandowska, M. Mitew-Czajewska - " The Effect of Deep Excavation on Surrounding Ground and Nearby Structures" (IS-275)

J. Zghondi, F. Emeriault, R. Kastner - " Multi-Criteria procedure for the back-analysis of multi-supported retaining walls " (IS-059)

D.M.Zhang, H.W.Huang, W.Y.Bao - " Monitoring and modelling of riverside large deep excavation-induced ground movements in clays" (IS-186)

14:00-16:00 Parallel Sessions---Calculation and design methods and predictive tools Chairs: K.J.Bakker and W.M.Ye , Room C401 Sino-French Center

J.Chen, A.Matsumoto, M.Sugimoto - " Simulation of articulated shield behavior at sharp curve by kinematic shield model '(IS-042)

F.J.M. Hoefsloo - " Analytical solution longitudinal behaviour tunnel lining" (IS-331)

X.X. Li, H.H. Zhu, Y.L. Lin - " Geologic model transforming method (GMTM) for numerical analysis modeling in geotechnical engineering" (IS-153)

Z.P Lu,G.B.Liu - "Analysis of surface settlement due to the construction of a shield tunnel in soft clay in Shanghai" (IS-274)

A. Negro - " Urban Tunnels in Soil: Review of Current Design Practice in Brazil " (IS-108) Y.J Shin, J.H Shin, I.M. Lee - " Ground reaction due to tunneling below groundwater table"

(IS-028)

X.Y. Song, M.S. Huang - " Basal Stability of Braced Excavations in K0-consolidated Soft Clay by Upper Bound Method "(IS-074)

C.R. Zhang, M.S. Huang, F.Y. Liang - " Lateral Response of Piles due to excavation-induced soil movements" (IS-195)

Coffee, Posters & Exhibition

16:00-16:30 Venue: Sino-France Center

Chairs: Y.Bai and W.Q.Ding Special Session of Big projects

16:30-18:30

Venue: Room C201 Sino-France Center

X.K..Chen - " Construction of cross passage by freezing method in Shanghai Yangtze River Tunnel"

X.J. Li - " A 3D visualized life-cycle information system (3D-VLIS) for Shanghai Yangtze River Tunnel"

F.Q.Yang - " Study on tunnel stability against uplift of super-large diameter shield tunneling"

H.Y.Tian - " Construction Settlement Control in Shanghai Yangtze River Tunnel"

J.Y. Wang - " Driving the slurry TBMs for Shanghai Yangtze River Tunnel"

X. Wang - " Design of hazard prevention system for Shanghai Yangtze River Tunnel"

X.Y. Xie - " Evaluation of grout behind segment of tunnel using Ground Penetrating Radar in Shanghai Yangtze River Tunnel"

Special Session of Big projects

Z.H. Yang - " Design of segment of super-large-diameter tunnel lining structure"

Author Papers

X.Q. Ai & J. Li Research on stochastic seismic analysis of underground pipeline based on physical earthquake model (IS-234)

R.B. Baimakhan, N.T. Danaev, A.

R. Baimakhan, G.I. Salgaraeva, G.P. Rysbaeva, Zh.K.

Kulmaganbetova, S.

Avdarsolkyzy, A.A. Makhanova &

S. Dashdorj

Calculation of the three dimensional seismic stressed state of “Metro

Station–Escalator–Open Line Tunnels” system, which is located in inclined stratified soft ground (IS-384)

H.L.Bao,D.M.Zhang

&H.W.Huang

A complex variable solution for tunneling-induced ground movements in clays (IS-176)

W.Q. Ding & Y. Xu Research and application of road tunnel structural optimization (IS-083)

Q. M. Gong & S. H. Zhou Geodynamic Challenges and Technical Countermeasures to Shield Tunnels Passing Under Existing Railway Line for Soft Ground Condition (IS-013)

B.H.Guo & T.K.Lu Floor Heave Behavior and Control of Roadway Intersection in Deep Mine (IS-247) M. Hajialilue-Bonab, M.

Ahmadi-adli & H. Sabetamal &

H. Katebi

The effects of sample dimension and gradation on shear strength parameters of conditioned soils in EPBM (IS-356)

X.D. Hu & A.R. Pi Frozen soil properties for cross passage construction in Shanghai Yangtze River Tunnel (IS-077)

S. Jeon, C. Hong, and K. You Design of tunnel supporting system using geostatistical methods (IS-366)

Y.J. Lee & C.S. Yoo Two distinctive shear strain modes for pile-soil-tunnelling interaction in a granular mass (IS-236)

J.P. Li, R.L. Wang and J.Y. Yan Research on structural status of operating tunnel of metro in Shanghai and treatment ideas (IS-383)

Z.X. Li, X. Han & K.S. Wang Critical ventilation velocity in large cross-section road tunnel fire (IS-373) F.Y. Liang, G.S.Yao & J.P.Li Effects of soil stratification on the tunneling-induced ground movements (IS-026)

K.I. Song, J. Kim & G.C. Cho Analysis of Pre-reinforced Zone in Tunnel considering the Time-dependent Performance (IS-281)

K.S. Wang, X. Han & Z.X. Li Vault temperature of vehicle fires in large cross-section road tunnel (IS-375)

R. L. Wang, Y. M. Cai & J. H. Liu Supervision and protection of Shanghai Mass Rapid Line 4 shield tunneling across the adjacent operating metro line (IS-033)

L.M. Zhang & Z.Q. Wang Elastic-plastic analysis for surrounding rock of pressure tunnel with lining based on material nonlinear softening (IS-010)

H.B. Zhou , H. Yao & W.J. Gao Risk Analysis and Fuzzy Comprehensive Assessment on Construction of Shield Tunnel in Shanghai Metro Line (IS-022)

W. Zhu, X. Q. Kou, X. C. Zhong

& Z. G. Huang

Modification of key parameters of longitudinal equivalent model for shield tunnel

Modification of key parameters of longitudinal equivalent model for shield tunnel

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