Analytical stress and displacement around non-circular tunnels in semi-infinite ground
Sign Up to like & getrecommendations! Published in 2018 at "Applied Mathematical Modelling"
DOI: 10.1016/j.apm.2018.06.043
Abstract: Abstract The construction of non-circular tunnels at shallow depths is becoming increasingly common to efficiently use excavation space. However, the stress concentration and ground movement are probably much greater around shallow non-circular tunnels than around… read more here.
Keywords: non circular; ground; analytical solutions; circular tunnels ... See more keywords
An analytical solution for time-dependent stress field of lined circular tunnels using complex potential functions in a stepwise procedure
Sign Up to like & getrecommendations! Published in 2020 at "Applied Mathematical Modelling"
DOI: 10.1016/j.apm.2019.09.025
Abstract: Abstract Time-dependent behavior of surrounding mass plays a significant role in designing underground constructions. Considering simple configuration of lined circular tunnels, a lot of solution have been proposed to this problem. However, many assume hydrostatic… read more here.
Keywords: stress field; time; circular tunnels; lined circular ... See more keywords
Stability of two circular tunnels at different depths in cohesive-frictional soils subjected to surcharge loading
Sign Up to like & getrecommendations! Published in 2019 at "Computers and Geotechnics"
DOI: 10.1016/j.compgeo.2019.04.006
Abstract: Abstract Adaptive finite element limit analysis (AFELA) is employed to investigate the stability of two circular tunnels at different depths in cohesive-frictional soils subjected to surcharge loading. The upper and lower bounds of the tunnel… read more here.
Keywords: tunnels different; stability two; stability; different depths ... See more keywords
Support pressure for circular tunnels in two layered undrained clay
Sign Up to like & getrecommendations! Published in 2020 at "Journal of rock mechanics and geotechnical engineering"
DOI: 10.1016/j.jrmge.2019.04.007
Abstract: Abstract To estimate the required support pressure for stability of circular tunnels in two layered clay under undrained condition, numerical solutions are developed by performing finite element lower bound limit analysis in conjunction with second-order… read more here.
Keywords: tunnels two; circular tunnels; clay; support pressure ... See more keywords
Required Lining Pressure for the Stability of Twin Circular Tunnels in Soils
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Geomechanics"
DOI: 10.1061/(asce)gm.1943-5622.0001196
Abstract: AbstractIn this study, the stability of twin circular tunnels in purely cohesive and cohesive-frictional soils was evaluated. It is assumed that the internal compressive normal pressure (σi) requir... read more here.
Keywords: twin circular; required lining; circular tunnels; stability twin ... See more keywords
Solutions for lined circular tunnels sequentially constructed in rheological rock subjected to non-hydrostatic initial stresses
Sign Up to like & getrecommendations! Published in 2020 at "European Journal of Environmental and Civil Engineering"
DOI: 10.1080/19648189.2020.1737576
Abstract: The time dependency of tunnelling results mainly from the rheological properties of the rock mass, the sequential excavation and the construction process of liner. This study focuses on the constru... read more here.
Keywords: constructed rheological; solutions lined; circular tunnels; lined circular ... See more keywords