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資料類型 學位論文 
主要題名 GPS/GIS應用於南橫公路邊坡崩塌災害調查與潛感危險路段之劃定研究 
作者 王嘉燁 
出版日期 2002 
頁碼或冊數 125 
中文摘要 南部橫貫公路乃為聯絡台灣南部與東部地區之主要道路之一,西起高雄縣甲仙鄉,東至台東縣海端鄉,全長約209公里,其間穿越過中央山脈複雜及破碎之地質帶,再加以地勢嚴峻陡峭,所以每逢颱風豪雨,便使得沿線路基經常流失,大小崩塌不斷,造成交通中斷,甚或危及來往人民生命財產安全. 本研究係針對南橫公路全線邊坡發生崩塌災害處,進行調查研究與分析探討.經現地GPS調查結果發現,沿線崩塌邊坡多發生於高程1500~2000公尺與500~1000公尺,坡度60˚~70˚之間,災害類型主要為受逕流沖刷之蝕溝侵蝕與土石崩落,此外位於下邊坡處亦有滑動行破壞產生,造成路基流失,影響交通安全.因此本研究將現地調查與衛星影像判釋結果,整合已完成之南橫公路地工環境災害資料庫系統,配合區域內之自然環境及地工災害環境等資料,利用多變量分析方式,選擇可能造成邊坡破壞之潛因,如坡度、坡向、斷層分佈與植生覆蓋等,並以GIS網格疊加計算之方式,據以劃定南橫公路潛在災害路段. 由劃定結果得知,若將南橫公路全線以最高處埡口分為東西側路段,西側路段大多屬低潛感災害路段,東側路段則主要為高、中潛感災害路段分佈區,主要原因為此路段位於地質較脆弱之畢路山層與大南澳片岩區,加以道路較西側崎嶇,平均坡降亦高於西側,因此應將本路段邊坡之治理列為優先防護對象,並提供為相關單位作為公路治理之參考研擬對象. 
英文摘要 The South Cross-Island Highway is one of the major channels that bridges the southern and eastern part of Taiwan. The highway with a total length of 209 km starts from Tainan City, running through complicated geology structures, fragile stratum and special topography along the Central Mountain range, then end of Hai-Duan Hsian, Taitung County. The heavy rainfalls brought by the annual typhoon and monsoon season has been recognized as a major factor triggering collapse and slide of hillslopes along the highway. The disasters mentioned usually jeopardize the traffic line. To investigate the slope failures along the highway, the Geographic Information System (GIS) and Remote sensing (RS) has been adopted to establish a database system of slope failures. Being alocated by using Global Position System (GPS) technique, the 84 slope failures predomimantly happen on the western and northwestern facing slope having the elevations within 1500 to 2000 and 500 to 1000 meters and the dip between 60 to 70 degrees. The major types of slope failures include runoff erosion and rock fall. Also, slides on the down slope arise lose of highway pavement. Newly collected geo-environment and natural environment data being integrated with a database system established in past years to form a complete database for the highway. Multivariate analysis intaking the failure factors such as slope aspect, dip, and fault locations etc. is used to evaluate the risk of slope failures for different locations along the highway. Based on the results, the western branch of highway belongs to low risk zone and the eastern section of the highway is classified as moderate to high risk section. The former results are mainly due to the Pilushan Formation and Tananao Schist zone in the east band of the highway. The results of this research could help planning and designing of dister prevention engineering construtions along the South Cross-Island highway in the near future. 
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出版者 國立屏東科技大學土木工程系 
出版地 屏東縣 
關鍵詞 高雄縣;甲仙鄉;南橫公路;GPS/GIS