Investigations on soil liquefaction during the Chi-Chi earthquake

The reconnaissance results and a preliminary analysis of soil liquefactions, which occurred during the Chi-Chi earthquake are presented. The study focuses on: (1) the characteristics of ground motion; (2) major liquefaction locations and characteristics of the soil at these locations; (3) liquefaction phenomena and damage; (4) damage to buildings and restoration of this damage; and (5) liquefaction analysis by using various empirical SPT-N methods commonly used in Taiwan. These results should provide extensive documentation of liquefaction that was observed during the Chi-Chi earthquake.