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題名 | 以有限元素法分析板岩邊坡潛移行為=Application of Finite Element Methods on Creep Behavior of Slate Slopes |
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作者 | 潘安士; 張光宗; 林錫宏; 錢滄海; Pan, An-shih; Chang, Kuang-tsung; Lin, His-hung; Chien, Chang-hai; |
期刊 | 水土保持學報 |
出版日期 | 20110300 |
卷期 | 43:1 2011.03[民100.03] |
頁次 | 頁35-48 |
分類號 | 442.3 |
語文 | chi |
關鍵詞 | 板岩; 潛移; 有限元素法; Slate; Creep; Finite element method; |
中文摘要 | 板岩受重力和風化的長時間影響,會使材料逐漸弱化,以致於發生邊坡潛移滑動或岩層褶 曲,前人研究透過現地調查等證據可得知岩層長期潛移後的一些構造現象,至今尚無利用力學 概念來說明板岩潛移行為過程後所造成的現象。本研究根據前人調查結果,以廬山地區的板岩 邊坡為例,運用有限元素Plaxis 數值分析軟體,模擬板岩長時間受到弱化因子作用產生的潛移 行為。用有限元素軟體中不同材料模型,以Hoek-Brown 破壞準則與文獻校正推估板岩強度和 潛移參數,並加上不同弱化因子所模擬出的板岩可能的潛移狀況,再與前人發現之現象作比 較。分析結果顯示,用力學觀念模擬出的板岩潛移情形,與台灣可能之板岩潛移的地質構造現 象相符。 |
英文摘要 | When the slate is influenced by weathering and gravitation for a long time, it become weak and it may cause the sliding slope creep and folding rock. In the past, people had demonstrated the structure phenomenon of creeping rock through field investigation; however, nowadays no one can demonstrate this phenomenon through the mechanics. According to the result of previous study, bytaking the slate slope of Lushan for example, We used the numerical software of finite element “Plaxis” to simulate the creep behavior for the long-time effect of weakening factors. According to the failure criterion by Hoek-Brown and literatures, We used different material models to estimate the parameter of slate strength and creep, and then we added different weakening factors to simulate possibly situation of slate creep, comparing with the previous study. The result of this research showed that the simulation of slate creep through the mechanics is comparable with the phenomenon of slate creep in Taiwan. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。