Effects of concrete materials on the vibration of the adjacent tunnel and surroundings by DEM and experiment

Lin Wu,Xiedong Zhang,Xiaoya Bian,Guoming Liu

Construction and Building Materials（2022）

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摘要

•DEM and the scale model were used to discuss the vibration reduction effects of concrete materials.•CZs with four thicknesses and six heights are discussed with DEM.•The size of CZ can be selected according to the engineering needs and budget.

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关键词

Twin tunnels,Concrete materials,Train vibration load,Dynamic characteristics,Discrete element method (DEM),Experimental models

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