Study on control and silulation of hv shield behavior

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Study on control and silulation of hv shield behavior

Nagaoka University of TechnologyNiigataJapanStudy on control and simulation of H&v shield behaviorHuynh Ngoc ThiStudy on control and simulation of II&

Study on control and silulation of hv shield behavior &V shield behaviorA dissertation submitted in partial fulfillment of the requirements for the Degreeof I )octor of I EngineeringbyHUYNH NGOC THIAcadem

ic advisor- Prof. Mitsutaka SugimotoDepartment of CM EngineeringNagaoka University of TechnologyNiigata, JAPANMarch, 2017AcknowledgementsACKNOWLEDGEME Study on control and silulation of hv shield behavior

MSrhe author would like to express gratitude, great appreciation and indebtedness to his advisor Professor Mit.su taka Sugimoto, who introduced him to

Study on control and silulation of hv shield behavior

shield tunneling field, for his encouragement, invaluable guidance, support and apportion the knowledge throughout the research. Without Ins guidance

Nagaoka University of TechnologyNiigataJapanStudy on control and simulation of H&v shield behaviorHuynh Ngoc ThiStudy on control and simulation of II&

Study on control and silulation of hv shield behavior i Anh Thu for her emotional support, patience and many sacrifices throughout the study period She is always behind me and encourages me. Her constant

affection and forbearance have been a source of strength.Acknowledgements are also extended to Professor Satoru Ohtsuka. Associate Professor Hirofuim Study on control and silulation of hv shield behavior

Toyota and Professor Osaniu Takahashi for their insight, helpfill discussions and reviewing thesis manuscripts.The author thanks to Dr. Chen .Tian for

Study on control and silulation of hv shield behavior

invaluable help in various ways for academic, and private matters throughout the research. Additionally, the author appreciates to the students of Ge

Nagaoka University of TechnologyNiigataJapanStudy on control and simulation of H&v shield behaviorHuynh Ngoc ThiStudy on control and simulation of II&

Study on control and silulation of hv shield behavior ies and other staff of Civil Engineering Department. He will remain grateful to them for their cooperation dining the study. He would also like to tha

nks the members of Vietnamese Student Association for making his stay 111 Japan more enjoyable.AcknowledgementsAuthor wishes to thankful for financial Study on control and silulation of hv shield behavior

supported by Monbusho Scholarship Program, provided by the Ministry of Education. Culture. Sports. Science and Technology of Japan.A special sincere

Study on control and silulation of hv shield behavior

appreciation extends to Associate Professor Le Van Nani and Dr. Dang Dang Tung for their continuing supports and good wishes. Sincere appreciation goe

Nagaoka University of TechnologyNiigataJapanStudy on control and simulation of H&v shield behaviorHuynh Ngoc ThiStudy on control and simulation of II&

Study on control and silulation of hv shield behavior k to his father and mother for their strong encouragement, tremendous sacrifices given to himHuynh Ngoc ThiNagaoka University of Technology. JapaniiAb

stractABSTRACTDue to limited underground space in rhe urban area and for saving construction cost, multi-cncular face shield (Ml shield) had been inno Study on control and silulation of hv shield behavior

vated to construct a twin tunnel at once. Furthermore. according to die more severe restriction of underground space use. horizontal and vertical vari

Study on control and silulation of hv shield behavior

ation shield method (H&v shield) was innovated, so that the cross section of an MF shield tunnel is changed from horizontal multi-circular shape to ve

Nagaoka University of TechnologyNiigataJapanStudy on control and simulation of H&v shield behaviorHuynh Ngoc ThiStudy on control and simulation of II&

Study on control and silulation of hv shield behavior anism and copy cutter, winch can be operated individually at each body. These steering options can generate rotating force around the shield axis, whi

ch can realize the construction of a spiral tunnel.The characteristics of H&v shield method, compared with other type shields, are as follows: 1) Tunn Study on control and silulation of hv shield behavior

el shape and alignment: H&v shield can construct a separate tunnel and a spiral tunnel, hl the case of a separate tumid, 1I&V shield forms a tunnel wi

Study on control and silulation of hv shield behavior

th a multi-circular cross section at Ill st. and two ordinary tunnels with a circular cross section after a specified point along die tunnel alignment

Nagaoka University of TechnologyNiigataJapanStudy on control and simulation of H&v shield behaviorHuynh Ngoc ThiStudy on control and simulation of II&

Study on control and silulation of hv shield behavior -circular cross section, which is changed continuously from horizontal multi-circular shape to vertical one. or vice versa; 2) Construction period: H&

v shield can shorten a construction period because H&v shield can omit an intermediate vertical shaft to separate the body in the case of a separate t Study on control and silulation of hv shield behavior

unnel, and can construct multiple tunnels at once m the case of a spiral tunnel; and 3) Construction cost: H&viii

Nagaoka University of TechnologyNiigataJapanStudy on control and simulation of H&v shield behaviorHuynh Ngoc ThiStudy on control and simulation of II&