Through the experiment on movable bed model of river engineering and combining theoretical analysis,the effects of deposition falling with tranquil flow of permeable pile dike for bank protection applied to the Yellow River and local scouring process near the pile pillar have been studied.

Influence of cavitations on the performance of Wing-In-Ground-Effect Craft strut ski;

The mainly leading technology of the directional blasting demolition of the column-type water tower is systematically described,including how to ascertain the explosive notch height and the explosive parameters,how to design the explosive mesh and how to take the explosive safe measures.