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Water content is one of the most significant factors affecting the rock deformation and strength characteristics in the rock enginnering. To reveal the deformation and strength characteristics of sandstone with different water contents, the compressive strength tests for sandstone specimens under four different confining levels were carried out and an exponential formulation was put forward to predict the reduction in cohesive strength with water content increasing. Results show that both thedoi:10.25103/jestr.104.24 fatcat:ggo3eeuil5h6hlqrt26vvq22yy