| 英文摘要 |
Safety against earthquake hazards has two aspects: first, structural safety against potentially destructive dynamic forces and secondary the safety of a site itself related with geotechnical phenomena such as liquefaction and landslide. Soil liquefaction has been a major cause of damage to lifelines, facilities and building foundations in past earthquakes and clearly poses a significant threat to the integrity of structures and facilities during future earthquake. If the liquefaction potential areas could be predicted in advance, it would be possible to plan for earthquake disasters mitigation program. This study is mainly to develop the module of liquefaction potential and landslide. In the module of liquefaction potential, the geotechnical database will be constructed in TELES for predicting the liquefaction potential and settlements induced by liquefaction. In the module of landslide, the gradient of the slope can be calculated according to the digital topography model and the geological map. The landslide potential is classified as several categories in consideration of earthquake acceleration. The threshold of acceleration trigging landside for each category is defined. Mapping with the road map, the impact of landslide to the road in mountain area can be evaluated once the peak ground acceleration of the site is predicted by TELES. The analytical results from the modules of liquefaction potential and landslide potential could be a basic reference for emergency responses. |
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