| 研究生: |
洪玉如 Hung, Yu-Ju |
|---|---|
| 論文名稱: |
建築物火災潛勢模型之建構-以台南市為例 A Susceptibility Model of Fire Hazards in Buildings - A Case Study of Tainan City |
| 指導教授: |
林慶偉
Lin, Ching-Wee |
| 學位類別: |
碩士 Master |
| 系所名稱: |
理學院 - 地球科學系碩士在職專班 Department of Earth Sciences (on the job class) |
| 論文出版年: | 2010 |
| 畢業學年度: | 98 |
| 語文別: | 中文 |
| 論文頁數: | 75 |
| 中文關鍵詞: | 火災危險度 、地理資訊系統 、成功率曲線 |
| 外文關鍵詞: | Degree of Fire Hazardous Risk, Geographic Information System, Success Rate Curve |
| 相關次數: | 點閱:84 下載:5 |
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近年來台灣地區經濟發展快速,都市成為人口集中而且建築物密集的主要區域;每次的火災發生,往往造成人命的傷亡及財物的損失。火災型態中以建築物類型的火災所佔比例最高。
本研究透過建築物火災案例,針對建築物型態的內部特性,選取土地利用、都市計畫、建築物使用類別、建築物樓層、屋齡及構造等危險因子,利用定量的證據權法(Evidence Weighting Model),結合地理資訊系統(Geographic Information System,GIS),找出影響建築物火災危險度因子的權重,將各因子進行排列組合,可取得不同因子群的火災潛勢圖,將各潛勢圖繪製出成功率曲線(Success Rate Curve),比較成功率曲線下之面積總和(area under curve,AUC),即可取得最佳之因子群,可代表最佳之建築物火災潛勢模型。
結果顯示以土地利用、建築物使用類別及樓層為最佳之因子群,所建立之火災潛勢圖是最佳的模型,根據此模型繪製成功率曲線,曲線下之面積(AUC)達74.87%,在火災高潛感區及中高潛感區可解釋高達81%以上的火災案件。
In recent years, the economics has been rapidly developed in Taiwan. Namely, cities became the areas of concentrated population and buildings. For each building fire hazard event, it often causes casualties and property losses. Nevertheless, the event of building fire hazard has compiled the major proportion of the fire hazards.
This study attempts to examine the factors causing building fire hazards based on the previous records. Factors including type of land use, urban district planning, category of building, floor of building, age of construction, and structure of building are evaluated for this study. Evidence Weighting Model combing with the techniques of Geographic Information System (GIS) were adapted for the study. According to the weighting for degree of fire hazard risk of each factor, with the permutation and combination of factors, the susceptibility mapping for each group of factors can be performed, and the Success Rate Curve for each map was then readily made. Comparison among the areas under the success rate curve (Area Under Curve; AUC), the optimized group of factors can be found to represent the best model for the susceptible building fire hazard.
Results of this study have shown that type of land use, category of building, and floor of building are the essential factors to affect the occurrence of fires. By the above-mentioned factors, the area under the success rate curve may reach 74.87% and 81%, respectively, for building fire hazards occurrence in regions with the highest and the middle high susceptibility.
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