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題 名 | 玉山國家公園新中橫公路段之落石邊坡調查研究=Stability Assessment of Rock Falling in Slopes Along New-Cross-Mid-Island Highway, the Section Within the Yu-San National Park |
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作 者 | 林慶偉; 王豐仁; 黃鎮臺; 吳銘志; | 書刊名 | 國家公園學報 |
卷 期 | 8:1 1998.06[民87.06] |
頁 次 | 頁26-40 |
分類號 | 442.3 |
關鍵詞 | 落石; 破裂面; 穩定分析; Rock-falling; Fracture; Stability analysis; |
語 文 | 中文(Chinese) |
中文摘要 | 野外調查與室內分析之結果顯示,影響玉山國家公園內新中橫公路迴頭彎至自忠段之落石邊坡的內在因子,依其重要性依序為大地構造作用發育之破裂面,侵蝕與道路開發伴隨之解壓節理,砂頁岩層強度不同導致之差異侵蝕與道路開挖爆破時發生之破裂面。由邊坡穩定性分析與落石潛感度分析,推測研究路段之落石高潛感區,其可作為國家公園管理當局進行相關規劃時之參考。 |
英文摘要 | According to field investigation and statistical analysis, weighting of the implicit factors to affect the rock falling in slopes along the section of New-Cross-Mid-Island Highway within the Yu-San National Park are regarded as in the following order. (1) Fractures developed due to the effect of regional geologic structures. (2) Stress released joints caused by the surface erosion and road construction. (3) Differential erosion made by the characteristic strength difference of sandstone and shale. (4) Fracture surfaces induced by blasting for excavation purposes. According to the results of stability study and rock falling hazardous assessment for the highway slopes, the related national park management planning will thus be done. |
本系統中英文摘要資訊取自各篇刊載內容。