摘要
欲防止土石流之發生，需先瞭解土石流之型態、性質、發生之因素，俾採取防範措施，以化減土石流之災害，確保居民生命財產之安全。本文利用前人文獻經分析結果，獲致下列結論：1.土石流之發生，必須使水和土石混合成泥狀時，方能產生。2.土石流發生時，應有凸起之波段形成。3.土石流之形態，其先前部有粗大巨礫石聚集，且排列規則。4.影響土石流發生之因素，包括溪床坡度，堆積物粒徑分佈（含厚度）、堆積物密度、地質條件丶水文條件丶堆積物之抗剪強度、土砂濃度等。5.防砂工程具有防止土石流發生之效果。
關鍵字
無資料並列摘要
For preventing occurrence of mudflow, the type and mechanism of the mudflow as well as triggering causes have to be foundamentally studied. The central measures thus to protect the human life and their properties, then, can be designed and applied in accordance with the results of the study. This paper through the literature review and summarization may draw a conclusion to the characteristics of mudflow as follow: 1. Mudflow can be occurred while the water and soil are fully mixed up. 2. Prominent front should accompany with mudflow. 3. The type of mudflow movement is mass movement. 4. The factors effecting occurrence of mudflow are bed slope, of creck, hydrological and geological conditions, particle size, thickness, shear strength of sediment deposited and concentration of soil and sand in the flow. 5. Sabo engineerings have effectiveness to prevent occurrence of mudflow.
並列關鍵字
無資料被引用紀錄
延伸閱讀
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