Results 131 to 140 of about 147,214 (199)

Comparative study on the cutting performance of super-large diameter atmospheric cutterhead and pressurized cutterhead under the same stratum. [PDF]

Sci Prog
Chen P, Huang S, Shu J, Liu J, Sheng J, Lin L, Yang M.   +6 more
europepmc   +1 more source

Research on rock damage characteristics of gravity tunneling machine based on different rotational speeds. [PDF]

Sci Rep
Jin XF, Chen XM, Jiao HZ, Yang Z, Zhang JL, Li Y, Cao JF.   +6 more
europepmc   +1 more source

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TUNNELS - THE LINING.

Proceedings of the Institution of Civil Engineers - Civil Engineering, 1994
This paper describes the construction of the lining for the French section of the Channel Tunnel. As the alignment of the tunnel is not straight in the horizontal plane or in the vertical plane, the lining had to be designed to follow the curves. The paper explains how it was possible to use only twelve positions to align the segments.
H BARTHES, A BORDAS, D BOUILLOT, M BUZON, P DUMONT, J FERMIN, J P LANDRY, J P LARIVE, L LEBLOND, J J MORLOT, L SZYPURA, P VANDEBROUCK, B VIELLIARD   +12 more
openaire   +1 more source

Asymmetrical injections near tunnel linings

International Journal of Physical Modelling in Geotechnics, 2002
Uneven loading resulting from asymmetrical grout injections near a tunnel poses a risk of damaging tunnel linings. Counter-rotation of lining segments at joints concentrates the increase of lining stress and strain at the joints. The damage of lining joints will be more significant if the joints are not constructed properly.
S W LEE, G. R. Dasari, M. D. Bolton, T. Hagiwara, K. Soga, R. J. Mair   +5 more
openaire   +1 more source

Optimisation of Tunnel Lining

Advanced Materials Research, 2014
The project area and it surrounding region has been a drought prone area since quite a long time. The majority of the population in this region lives in villages where agriculture is the main source of income. In order to utilize the river water to the possible extent and distributing the same among all the areas of the state, these projects were ...
R. Thenmozhi, J. Umashankar
openaire   +1 more source

Innovative Materials for Tunnel Linings

2009
Various innovative concretes have been recentely proposed for the final phase of tunnel linings, as Fiber Reinforced Concrete (FRC), High-Performance Concrete (HPC), Self-Consolidating Concrete (SCC), Alkali Free Structural Shotcrete and super- Sulfated Concrete are becoming increasingly popular.
P. G. Gambarova, B. Chiaia, A. P. Fantilli, C. Oggeri, C. Ronco, MINELLI, Fausto, PLIZZARI, Giovanni, TIBERTI, Giuseppe, M. Aiello, E. Vasanelli   +9 more
openaire   +3 more sources

Tunnel lining strategies

International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts, 1976
E.A. Hanafy, J.J. Emery, J.A. Franklin
openaire   +1 more source

Tunnel Stabilization and Lining

1996
This chapter covers the behavior of tunnels during excavation, and how this behavior may be modified by installation of a variety of reinforcing or supporting systems. Stabilization designates systems installed before, during, or immediately after excavation to provide initial support and to permit safe, rapid, and economical excavation.
openaire   +1 more source

Hematology and oncology clinical care during the coronavirus disease 2019 pandemic

Ca-A Cancer Journal for Clinicians, 2020
Manish A Shah, Tsiporah B Shore, Sebastian Mayer   +2 more
exaly  

Tunnels — the lining

International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts, 1995
openaire   +1 more source