〔1〕Geo-technical Engineering Research Center, Sinotech Engineering Consultants, Inc., Taipei, Taiwan.
〔2〕Geological Resources Division, Central Geological Survey, Ministry of Economic Affairs, Taipei, Taiwan.
〔3〕Environmental & Engineering Geology Division, Central Geological Survey, Ministry of Economic Affairs, Taipei, Taiwan.
* Corresponding Author. E-mail :
jjlin@sinotech.org.tw