A new construction method is analysed,that is to construct a dam for intercepting flood and storing water in the earlier stage of a project,and pouring water into the thrown pole for consolidation,and sinking soil into water to add to the dam by using directional blasting.

In light of the difficult problems of fine tailings damming in Jianshan concentrator, the damming technology are applied successfully using hydrocyclone to fine tailings damming through selection of design schemes.

The theoretical formula by cross-area method for measurement of earthwork and stonework quantities in dredging and damming works with trapezium cross section is derived.

Thinking of building dam of reservoir on active fault of southwest;