臺灣地區由於地震頻繁，港灣設施可能因此造成損壞，並進一步對其安全性造成重大衝擊，而影響後續港口的營運。為能模擬地震下港灣地區的災損情形，本計畫將在TELES系統（台灣地震損失評估系統）中建置港灣設施震損評估模組，整個計畫分成三個子計畫，分別為(一)港灣地區地震潛勢之評估；（二）港灣構造物耐震能力之評估；（三）港灣構造物之災害境況模擬。前兩子計畫研究成果為子計畫三之基本參考資料。藉由子計畫一對港灣地區進行地震潛勢之評估，可了解各港區不同大小地震可能發生之機率，並決定影響各港區之控制地震；子計畫二為對港灣構造物進行耐震能力評估，以了解各港區構造物之耐震能力；子計畫三則建置港灣設施之震損評估模組於TELES系統內，模組完成後可對港灣地區進行震災境況模擬，分析港區可能之震損情形。全程計畫分四年，於第一年度計畫執行後，已發展與建立TELES中對於港灣地區震損評估模組之架構與基本資料。本年度係第二年度計畫，工作重點在於逐步充實與修正TELES中對於港灣地區震損評估模組與基本資料，工作內容主要為：進行花蓮港與蘇澳港區進行地震潛勢之評估、花蓮港區內重力式與版樁式碼頭耐震能力之評估、以及花蓮港區地震災害境況模擬。研究成果後續應可作為港區災損防救與應變對策之參考。 Taiwan is continually threatened by the attack of strong earthquakes. The safety of harbor structures during strong earthquakes is very important for the normal operation of port transportation in Taiwan. For the purpose of mitigating earthquake hazards and advancing the emergency response system for port facilities, this project aims at developing a new module that can be incorporated into TELES (Taiwan Earthquake Loss Estimation System) to assess the possible loss of a port system during an earthquake. The whole project includes three subprojects: (1) Evaluating the earthquake potential and seismic hazards for the specified harbor area to understand the earthquake occurrence ratio, (2) Evaluating the seismic capacity of important port structures in the selected harbor areas to understand the seismic capacity of the port structures, and (3) Conducting the earthquake loss estimation for the specified harbor areas during scenario earthquakes to simulate the earthquake situation and analyze the possible earthquake damage situation . The whole project includes four years of work. In the first year, Taichung Harbor was the objective for study. A preliminary framework for the earthquake loss estimation module of port systems was built into TELES. This is the second-year project. The study objects are Hualien and Suao Harbors. The contents of this project are (1) to assess the earthquake potential and associated controlling earthquakes for Hualien and Suao Harbors areas, (2) to investigate the seismic capacity of important selected structures in Hualien Harbor, such as the gravity- and sheet-pile- type harbor structures, and (3) to use TELES to estimate the earthquake loss for Hualien Harbor under specified scenario earthquakes.
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