Liangjiaren deposits are located on the left bank of the Tiger-Leaping-Gorge of the Jinsha River ,the area of this deposits is about 5．37km~2 and the total volume is estimated to be about 4×10~8m~3．Because they are lager ,their current stability affects the choice of the dam site of the Liangjiaren hydroelectric power station .

Hole drilling construction in loose deposit at Xiaowan Hydropower Station;

The construction measures of hole drilling of prestressed cable in loose deposit is introduced,some problems during construction should be paid attention,then some construction parameters are provided,which is taken as preferences for technicians.

Bank collapse predictive equation of the loose accumulation slope based on circular sliding surface search

According to the investigation of source and eroded condition of loose man dumped sediment in the urban area of Yanan, it has been found that the man dumped sediment from different sites will be gradually deliveried into river by water during rainy season or by man dumping.