Abstract：The Three Gorges Water Conservancy Project has a tremendous scale and benefit, its geological conditions are more complicate. The geological investigation played a significant role in the selection of the dam site, the research on major problems of geology and earthquake, and the control of geological hazards. This paper expounds main achievements of geologic investigation and elementary experiences in the control of geological hazards based on the practical work in tens of years.
2005, Vol. 23 
