Analytical analysis of working face passive stability during shield tunneling in frictional soils
Sign Up to like & getrecommendations! Published in 2018 at "Acta Geotechnica"
DOI: 10.1007/s11440-018-0753-3
Abstract: This paper develops the 2D and 3D kinematically admissible mechanisms for analyzing the passive face stability during shield tunneling using upper-bound analysis. The mechanisms consider trapezoidal distribution of support pressure along tunnel face and partial… read more here.
Keywords: support pressure; shield tunneling; face; stability shield ... See more keywords
Influence of seepage and tunnel face opening on face support pressure of EPB shield
Sign Up to like & getrecommendations! Published in 2021 at "Computers and Geotechnics"
DOI: 10.1016/j.compgeo.2021.104198
Abstract: Abstract The hydraulic head on the tunnel face is smaller than that in the far-field ground when the earth pressure balance shield excavates in a saturated stratum. The seepage force could thus drag the soil… read more here.
Keywords: seepage; tunnel face; support pressure; face ... 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
Intelligent optimization for support pressure zone algorithm based on fuzzy neural network damage identification
Sign Up to like & getrecommendations! Published in 2018 at "EURASIP Journal on Wireless Communications and Networking"
DOI: 10.1186/s13638-018-1169-3
Abstract: To predict the scope of support pressure zone in coal mining, this paper focuses on analysis over the features of stress transformation in front of the working face. Based on the fuzzy neural network (FNN)… read more here.
Keywords: pressure zone; support pressure; neural network; fuzzy neural ... See more keywords
Support Pressure Acting on the Epicardial Surface of a Rat Left Ventricle—A Computational Study
Sign Up to like & getrecommendations! Published in 2022 at "Frontiers in Cardiovascular Medicine"
DOI: 10.3389/fcvm.2022.850274
Abstract: The present computational study investigates the effects of an epicardial support pressure mimicking a heart support system without direct blood contact. We chose restrictive cardiomyopathy as a model for a diseased heart. By changing one… read more here.
Keywords: left ventricle; support pressure; pressure; support ... See more keywords
Neural Prediction of Tunnels’ Support Pressure in Elasto-Plastic, Strain-Softening Rock Mass
Sign Up to like & getrecommendations! Published in 2018 at "Applied Sciences"
DOI: 10.3390/app8050841
Abstract: The prediction of the support pressure (Pi) and the development of the ground reaction curve (GRC) are crucial elements of the convergence–confinement procedure used to design underground structures. In this paper, two different types of… read more here.
Keywords: strain softening; plastic strain; elasto plastic; softening rock ... See more keywords