Abstract: Abstract This study investigates the dynamic mechanical behavior of sandstone under combined static and dynamic cyclic impact loading. For this purpose, a 100-mm-diameter split Hopkinson pressure bar is employed to conduct ...

Abstract: Abstract Local leakage from a shield tunnel significantly impacts the surrounding strata, leading to surface subsidence and potential collapse. This study develops a discrete-element program and adopts the FEM-discrete-element ...

Abstract: Damping properties have important effects on the dynamic behavior of civil engineering structures. However, the influence of load on the material damping of concrete has not been studied systematically. This paper used an ...

Abstract: Low hysteresis brush seals are frequently used in systems operating at a high speed in environments featuring a high temperature and pressure. The high-speed rotor comes into contact with the bottom end of the bristles of ...