Results 21 to 30 of about 6,084 (206)
Low-resistance spin-dependent tunnel junctions with HfAlOx barriers for high-density recording-head application [PDF]
, 2002 Spin-dependent tunnel junctions with the structure (Ta 70 /spl Aring//NiFe 70 /spl Aring//MnIr 80 /spl Aring//CoFe 35 /spl Aring//HfAlO/sub x//CoFe 35 /spl Aring//NiFe 40 /spl Aring//TiW(N) 150 /spl Aring/) were fabricated on top of 600-/spl Aring/-thick
Snoeck, E. +4 more
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Typical Underwater Tunnels in the Mainland of China and Related Tunneling Technologies
Engineering, 2017 In the past decades, many underwater tunnels have been constructed in the mainland of China, and great progress has been made in related tunneling technologies. This paper presents the history and state of the art of underwater tunnels in the mainland of
Kairong Hong
doaj +1 more source
Shock and Vibration, 2021 Dynamic loads such as the train vibration load usually act on the shield tunnel lining in the long term, which could make the initial flaws in shield segment propagate and gradually weaken the robustness of the tunnel structure.
Long-gang Tian +2 more
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Influence of the Tunnel Shape on Shotcrete Lining Stresses [PDF]
, 2011 Tunnel excavation is frequently carried out in rock masses by the drill and blast method and the final shape of the tunnel boundary can be irregular due to overbreaks.
Fabrizio Barpi +3 more
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Low-volume-loss tunnelling for London ring main extension [PDF]
, 2010 The Thames Water ring main extension is a 4.5 km long tunnel from Stoke Newington, in the London borough of Hackney, to New River Head in Finsbury, in the London borough of Islington. The 2.85 m i.d.
B. D. Jones, Jones, Benoît
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Analytical solution of additional response of shield tunnel under asymmetric jack thrust
Rock and Soil Mechanics, 2021 When shield is driving along a curve alignment or during deviation correction, the asymmetrical thrust will generate an additional bending moment at the head of the tunnel, which will cause construction problems such as longitudinal deformation of the ...
WANG Zu-xian +2 more
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ANSYS Simulation Analysis of Stray Currents on Subway Shield Tunnel [PDF]
, 2014 In order to analyze the distribution rule and influence range of subway shield tunnel in different traction currents, a three-dimensional geometrical model and mathematical model of subway shield tunnel stray current field were built, and a finite ...
Wang, Guo, Pei, Xiaoxiang
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Centrifugal model tests on excavation of twin parallel tunnels
Yantu gongcheng xuebao, 2017 The excavation construction of twin parallel tunnels is simulated by using centrifugal model tests. The internal stress and deformation variation of shield structure of the existing tunnel and the ground surface settlement are studied owing to excavation
MIAO Lin-chang 1, WANG Fei 1, Charles W. W. Ng 2, LÜ Hu 2
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Flexural Behavior of Steel Fiber Reinforced Concrete Shield Tunnel Segment [PDF]
, 2017 In order to study the flexural behavior of steel fiber reinforced concrete (SFRC) shield tunnel segment, two full scale shield tunnel segments and twelve reduced scale shield tunnel segments were made and tested.
Yan Gang Zhang +5 more
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Impact of pit supporting SMW pile construction on underneath shield tunnel deformation
Yantu gongcheng xuebao, 2019 Taking the project of Xinggangjie tunnel up-crossing No. 1 subway shield tunnel in Suzhou as the research object, the deformation data of underneath shield tunnel during SMW pile construction are analyzed, and the deformation rules during SMW pile ...
WANG Zhan-sheng 1, PAN Huang-song 2, ZHUANG Qun-hu 1, LIU Jian-guo 1, CHEN Xiu-ming 1, TONG Li-yuan 2
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