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Abstract: In the process of EPB shield tunneling, muck is a window to prob the soil condition just ahead of the tunnel face and engineers can keep abreast of the change of geologic condition accordingly. This paper presents a method for automated detection of muck types based on the images extracted from the on-site surveillance camera using deep learning algorithms. A practical muck classification...
Abstract: The present paper investigates the problem of the stability of the tunnel face in longitudinally inclined layered rock masses based upon the upper limit theorem of kinematic limit analysis. For the complex geological conditions (rock stratification, rock layer inclination, i.e.), an analytical model is established and the computational model improves the traditional analysis model, overcomes...