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題 名 | The Sensitivity of the Huanku Colluvium and Its Relevant Physical Properties=磺窟地區崩積層的敏感度與其相對應之自然特性 |
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作 者 | 陳宏宇; 羅正彥; | 書刊名 | 中國地質學會會刊 |
卷 期 | 36:4 1993.10[民82.10] |
頁 次 | 頁481-497 |
分類號 | 356.232 |
關鍵詞 | 崩積層; 敏感度; 磺窟地區; |
語 文 | 英文(English) |
中文摘要 | 本文探討臺北市郊磺窟地區崩積層的敏感度,所著重的行為 是在於粒徑小於60μm的基質支撐部份。經實驗結果證實此崩 積層為屬於低敏感度。此低敏感度的現象可能是因其坡體本身受 到擾動的影響所形成。而敏感度的高低與其自然物理性質中的塑 性限度和液性限度,以及剪力強度和相對應之復硬性質有較密切 之關連。 本研究並嘗試將磺窟地區崩積層與其他國家冰川沈積物及火 山物質等地質材料之敏感度相互對比,由研究中發現其中相互類 似之自然物理特性並不多,僅有在組構、礦物組成及鹽濃度間之 敏感度上的比較較為接近。 |
英文摘要 | The particular focus of this sensitivity study was on the matrix support of the Huanku colluvium--which was found to be under 60 μ m fine particle fraction in this suburban Taipei area. The results of the experimental tests demonstrated that this type of coluvium has low sensitivity which may be affected by the mass movement of the material. The sensitivity is related not only to the physical properties of the plastic limit and the liquid limit but also to the shear strength of the material and the corresponding thixotropic properties. Glacial deposits and volcanic ash in other countries are discussed to compare their characteristics-- particularly their sensitivity-- with those of the Huanku colluvium. In fact, the Huanku colluvium did demonstrate a rare similarity to those comparable soils. Only the fabric, mineralogical composition and salt concentration were closely analyzed in comparing the sensitivity of all the materials. |
本系統中英文摘要資訊取自各篇刊載內容。