問題詳情

五、下圖透水試驗試體面積為 25 cm2,在 20 cm水頭差下經 2 分鐘量得透水量為 10 cm3,試求該土壤之透水係數k。(3 分)若該土壤飽和濕重為 1.8 g/cm3,試問於靜水時試體中間點之有效應力為何?(5 分)若於試體下方緩緩注水,每秒鐘於上方量得出水量 0.025 cm3,試問此時之水力坡降(hydraulic gradient)為何?(5 分)又此土壤之臨界水力坡降(critical hydraulic gradient)為何?(5 分)此時之流量為何?(2 分) 

  

參考答案

答案:D
難度:適中0.640394
統計:A(16),B(25),C(19),D(130),E(2) #
個人:尚未作答書單:Healthy or Beauty、few, little, a few, a little 的用法、Word

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