Results 11 to 20 of about 57,058 (352)
Research on displacement prediction of shield tunneling through existing tunnel based on LSSVM [PDF]
E3S Web of Conferences, 2021 The construction scale of the shield tunnel underpass is expanding day by day. In order to study the safety influence and deformation control of the shield tunnel underpass on the existing tunnel, the LSSVM model is established.
Wu Xianguo +3 more
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Research on Lateral Deformation Control Criteria of Metro Shield Tunnels with Excessive Ellipticity
Applied Sciences, 2023 In recent years, excessive lateral deformation of subway shield tunnels has been observed due to adjacent engineering activities. This study examines the monitoring of excessive lateral deformation of the shield tunnel and the special steel plate ...
Shaode Kan +4 more
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Yantu gongcheng xuebao, 2023 In view of the inconsistency of efficiencies of transverse and longitudinal rigidities of shield tunnels, it is difficult to design a shield tunnel model with similar transverse and longitudinal rigidities in model tests.
HUANG Dawei 1, 2, 3, XU Changjie 1, 2, 3, LUO Wenjun 1, 2, 3, JIANG Hao 1, 2, 3, HU Guanjing 4, ZHAN Tao 5
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Structural Dynamic Response of a Shield Tunnel under Aircraft Taxiing Load
Shock and Vibration, 2021 Dynamic load is an important factor affecting the safety and stability of subway tunnel structures. To obtain the variation law of shield tunnel structure dynamic response under aircraft taxiing load, a three-dimensional numerical simulation of such ...
Zhanyou Luo +4 more
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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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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
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TBM pressure models: observations, theory and practice [PDF]
, 2015 Mechanized tunnelling in soft ground has evolved significantly over the last 20 years. However, the interaction between the tunnel boring machine (TBM) and the ground is often understood through idealized concepts, focused mostly on the machine actions ...
Bezuijen, Adam +1 more
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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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Background Measurements in the Gran Sasso Underground Laboratory [PDF]
, 2011 The gamma background flux below 3000 keV in the Laboratori Nazionali del Gran Sasso (LNGS), Italy, has been measured using a 3" diameter NaI(Tl) detector at different underground positions: In hall A, hall B, the interferometer tunnel, and inside the ...
Baudis, Laura +7 more
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Evaluation of the Electromagnetic Environment Around Underground HVDC Lines [PDF]
, 2010 This paper analyses the magnetic-field emissions of a high-voltage dc transmission line constituted by two couples of underground cables laid along a highway.
Bottauscio, O. +4 more
core +1 more source