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研究所、轉學考(插大)◆土壤力學及基礎工程
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110年 - 110 國立中央大學_碩士班招生考試_土木工程學系/大地工程組(一般生):土壤力學及基礎工程#105334
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(1)
b) Which one can be used for retrieving soil samples during testing? (2%)
相關申論題
c)Which one can be used for detecting thin soil layers underground? (2%)
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2) In-situ stress (4%) As shown below, a 9-m-thick layer of saturated clay is underlain by a layer of sand. Calculate the maximum depth of cut H that can be made in the clay layer?
#447190
a) the clay is normally consolidated (5%)
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b) preconsolidation pressure = 200 kN/m2 (5%)
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c) preconsolidation pressure = 150 kN/m2 (5%) Note that Cc = 0.178 and Cs = 0.2Cc
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4) Soil strength (10%) The result of two CD triaixial tests is as follows:σ3 = 70 kPa, deviator stress at failure = 130 kPa;σ3 = 160 kPa, deviator stress at failure = 223.5 kPa; please find c andΦ
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5) (3%) What is the English full title of USCS?
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6) (2%) What is the definition for soil water content?
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7) (10%) For a moist soil sample, given V = 1.2 m3, M = 2350 kg, water content w = 0.086, Gs = 2.71, please find: 1. Moist density 2. Dry density 3. Void ratio 4. Porosity 5. Degree of saturation
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8) 25% 某臨海工業區之水力回填砂質地盤,地盤之剖面分佈與參數如下圖所示。現設一椿徑為1m,長度為30m之打擊式基樁,試以β法估計其樁周摩擦承載力,(假設樁周摩擦強度之臨界深度為=15D)。以樁底承載力公式 ,估算其樁底承載力。並計算其單椿極限承載 力。(25分:請考慮深度效應)
#447198
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110年 - 110 國立中央大學_碩士班招生考試_土木工程學系/大地工程組(一般生):土壤力學及基礎工程#105334
110年 · #105334
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