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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