<正> It was mainly research on the causes,manifestations,and risk dodges of the industry risk selection,industry structure risk during the readjustment of the i
Taking the practical reinforced engineering of a reinforced soil retaining wall as an example, which located in Shandong Province and set on 104 national highwa
Based on the integration analysis of goods and shortcomings of various methods used in safety assessment of coal mines, combining nonlinear feature of mine safe