Analysis on treatment of seven aging diseased dams;

By surueging of a great deal of stone masonry dams and analgzing of domestic and overseas datum,aging diseases of the stone masonry dams can be divided into strong stress and bad stability,crack and breakage,water seepage and leakage,corrosion and subsurface erosion,freeze-thaw and abrasion,loose rock and shed skin,water quality erosion,strength decrease and stiffness degradation types analgzing.

Based on a lot of data collected by investigation and existing findings, this paper deals with the evaluation method and grading standards of durability for ageing injuring concrete hydraulic structures.

In the paper, in view of the common problems of destructive illness and ageing illness existing in water conveyance caverns, the author sums up the current research situation of destructive illness and ageing illness and the research advance of prevention and control measures and its development tendency of water conveyance cavern at home and abroad.

In the paper, in view of the common problems of destructive illness and ageing illness in earth-rock dams, the author sums up the current research situation of destructive illness and ageing illness and the research progress of prevention and control measures and development tendency of earth.

A fuzzy comprehensive evaluation on sluice aging deterioration based on the group weight decision-making and variable weight is presented herein.

This paper summarizes the types of weathering diseases, discusses its mechanics and affecting factors and puts forward a series of countermeasures, emphasizing research on the geological environment, as is the precondition to cure that disease completely.