THE BASIC PROPERTIES OF SOILS/ROCKS AND THEIR INTERACTIONS WITH VARIOUS CATAGORIES OF FOUNDATIONS OF MAJOR C.E. STRUCTURES WILL BE INTRODUCED. POSSIBLE ENGINEERING PROBLEMS MAY BE ENCOUNTERED DURING SITE INVESTIGATION, DESIGN, CONSTRUCTION AND MAINTENANCE STAGE OF THESE FOUNDATIONS WILL BE DISCUSSED FROM PRACTICAL POINT OF VIEW. NATURAL DISASTERS IN TAIWAN AND THEIR IMPACTS ON C.E. PROJECTS ARE ALSO INCLUDED. FROM ANALYSES OF LOCAL/FOREIGN CASE STUDIES, STUDENTS SHALL UNDERSTAND THE UNIQUE GEO-ENVIROMENT CONCEPT OF TAIWAN AND ENHANCE THEIR KNOWLEDGE OF SUSTAINABILITY OF C.E. STRUCTURES.