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| 題 名 | 臺灣中北部西部麓山帶沉積岩之力學特性=Mechanical Properties of Sedimentary Rocks in the Western Foothill Region of Central and Northern Taiwan |
|---|---|
| 作 者 | 劉宸妤; 邱雅筑; 羅偉誠; | 書刊名 | 水土保持學報 |
| 卷 期 | 55:1 2025.06[民114.06] |
| 頁 次 | 頁3423-3440 |
| 分類號 | 358.5 |
| 關鍵詞 | 西部麓山帶; 沉積岩; 物理性質; 力學特性; Western foothill; Sedimentary rocks; Physical properties; Engineering properties; |
| 語 文 | 中文(Chinese) |
| 中文摘要 | 台灣西部麓山帶地質環境複雜,了解其岩石基本物理性質和力學特性,對於工程設計有極 大幫助。本研究蒐集並統整前人研究結果,範圍涵蓋台灣中北部西部麓山帶沉積岩,包括五指 山層、木山層等 10 個地層,岩性主要為砂岩,並包含相對少量頁岩和砂頁岩互層。結果顯示, 砂岩的平均乾單位重為 22.43 kN/m³,飽和含水量為 6.3%,孔隙率為 13.98%;力學特性方面, 砂岩的平均單壓強度為 45.26 MPa,凝聚力為 10.98 MPa,摩擦角為 45.22°。岩石強度從甚弱岩 石至強岩不等。其中,南港層之基本物性與力學特性為最佳,強度最高;上福基砂岩之基本物 性最弱;卓蘭層/砂岩之力學特性較弱,強度為最低。 |
| 英文摘要 | The geological environment of the Western Foothills of Taiwan is complex. Understanding the fundamental physical and mechanical properties of the rocks is highly beneficial for engineering design. This study collects and consolidates results from previous research, covering sedimentary rocks in the Western Foothill Region of Central and Northern Taiwan, including ten formations such as the Wuchihshan Formation and Mushan Formation. The dominant rock type is sandstone, with a small amount of shale and sandstone interbedded with shale. The results show that the average dry unit weight of the sandstone is 22.43 kN/m³, the saturated water content is 6.3%, and the porosity is 13.98%. In terms of mechanical properties, the average uniaxial compressive strength of the sandstone is 45.26 MPa, the cohesion is 10.98 MPa, and the friction angle is 45.22°. The rock strength ranges from very weak rock to strong rock. Among them, the Nankang Formation exhibits the best physical and mechanical properties, with the highest strength, while the Shangfuchi Sandstone shows the weakest physical properties. The mechanical properties of the Cholan Formation/Sandstone are relatively weaker, with the lowest strength. |
本系統中英文摘要資訊取自各篇刊載內容。