建築物受風災損壞原因實際案例調查研究

Case Study of Buildings Damaged by Typhoon

臺灣為海島型國家，位處於環太平洋西岸颱風盛行區域，位於西太平洋颱風經常侵襲路徑上。臺灣每年約受到四至五個颱風侵襲。有時建築構造物的倒塌破壞，發生在風速低於設計值的情況下，為有效評估建築物受風災損壞之實際原因，本研究透過建立風災調查流程與風災調查表，蒐集數起有關建築物受風災損壞的案例，並進一步評估建築物損壞之實際原因，藉此推定其為設計規範上的不良或施工營造的疏失。

Taiwan is a tropical island located in the west Pacific Rim, a typhoon-prevalent area. Usually, about four to five typhoons invade and land in Taiwan every year and cause severe damage, such as destruction of houses and bridges, road damage, landslides and interruption of power to communication systems, which shows that typhoons are one of Taiwan’s major natural hazards. The collapse or destruction of building structures during typhoons sometimes occurs when the recorded maximum wind speed is below the design wind-speed value. The purpose of this paper is to find out the causes of building collapse or damage. Until now, we have been unable to determine whether the reason for damage is negligence in design specifications or construction management deficiency. To find out the actual reason for typhoon damage to structures, we go through the assessment and establishment of a typhoon investigation process with a typhoon questionnaire to collect more information about buildings damaged by typhoons, and can thus assess whether the actual reason for building damage is negligence in design specifications or construction deficiency.