Attenuation characteristics of impact-induced seismic wave in deep tunnels: An in situ investigation based on pendulum impact test

The radiated seismic energy is an important index for the intensity assessment of microseismic (MS) events and the early warning of dynamic disasters.However, the energy of MS signals is significantly attenuated due to the heterogeneity and viscous Typewriter damping of rock media.Therefore, the study on attenuation characteristics of MS signals in

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Experimental study of the long-term shortening of reinforced concrete columns under maintaining concentric axial load

This paper presents the results of an experimental study to measure the shortening of reinforced concrete (RC) columns under long-term maintaining concentric axial load.Long-term axial deformation due to shrinkage and creep of the concrete were recorded beside Egg Protein deformation due to mechanical load.Eight RC cylinder - columns (content of re

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