Structural Dynamic Response of a Shield Tunnel under Aircraft Taxiing Load [PDF]
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
doaj +2 more sources
Analysis of Shear Stagger Deformation of Existing Shield Tunnel below Induced by Quasirectangular Shield Tunneling [PDF]
To use urban underground space more efficiently is a research hotspot of urban underground development. Compared with conventional circular tunnels, quasirectangular tunnels have the characteristics of larger space utilization and higher economic ...
Kun Zhang +4 more
doaj +2 more sources
Study on Construction Influence of Shield Tunnel of Urban Rail Transit on Large-Section Mining Tunnel [PDF]
Due to the increasingly expanding of urban rail transit, shield tunnelling adjacent to existing tunnels has become more and more common in cities. Construction of new tunnels will pose great risks to the safety of existing tunnels.
Junru Zhang +5 more
doaj +2 more sources
Comparison study of mechanical characteristics between conventional shield tunnel and shield tunnel with mortise-groove cross-section in ground fissure site [PDF]
Under the condition of the shield tunnel intersecting the ground fissure section at a right angle, a physical model test was conducted at a geometric scale ratio of 1:30.
Tao Yin, Sanqing Su, Zhen Cao
doaj +2 more sources
Additional Stress of Soil and Surface Settlement during Tunnel Shield Construction [PDF]
To study the influence of shield excavation on the surrounding soil, and to control the influence of the shield excavation of the subway tunnel on the surface settlement and the deformation of the surrounding buildings, it is necessary to study the ...
Ying Li +4 more
doaj +2 more sources
Investigation on Vibration Influence Law of Double-Shield TBM Tunnel Construction [PDF]
Double-shield TBM is more efficient than shield tunnel construction in hard rock strata. It is widely used in subway tunnel construction, such as in Qingdao and Chongqing in China.
Zelin Lu +4 more
doaj +2 more sources
Two-layer autonomous intelligence dynamic trajectory planning method based on shield-tunnel ring-geology interactions [PDF]
To solve the problem that current attitude planning methods do not fully consider the interaction and constraints among the shield, segmental tunnel ring, and geology, and cannot adapt to the changes in the actual engineering environment, or provide ...
Min Hu +3 more
doaj +2 more sources
Seismic Resilience Evolution of Shield Tunnel with Structure Degradation [PDF]
The structural performance of shield tunnel structures is highly susceptible to degradation under complex environmental loads, with the most common manifestation being bolt preload loss.
Hongzhi Cui +7 more
core +1 more source
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
doaj +1 more source
Repairing a shield tunnel damaged by secondary grouting. [PDF]
This paper reports on a repair work which has recently been conducted for a metro tunnel in Hefei city, China. The tunnel has been originally constructed using shield method where synchronous grouting was used to fill the gaps between the tunnel segments
Jin-long, Liu +3 more
core +1 more source

