問題詳情
20. 一般進行鋼筋混凝土「單筋矩形梁」斷面極限彎矩強度分析，為了判斷鋼筋在極限狀態是否降伏，可先計算「平衡應變狀態」之鋼筋量Asb，若斷面拉力鋼筋量以As表示，則下列何條件代表在極限狀態時，拉力鋼筋將會降伏？
(A)
(B) 
(C)
(D) 
參考答案
無參考答案
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