問題詳情
39 有一矩形單筋 RC 梁,梁寬 30 cm,梁深 50 cm,採用 280 kgf/cm2 常重混凝土,以及降伏強度 4,200 kgf/cm2 拉力筋,鋼筋有效深度為 44 cm,彈性模數為 2.04×106kgf/cm2。若此斷面平衡破壞時受壓深度為 Cb,壓力破壞時受壓深度為 Cc,拉力破壞時受壓深度為 Ct,請問以上三者的大小關係為何?
(A)Cb<Ct<Cc
(B)Cc<Ct<Cb
(C)Cb<Cc<Ct
(D)Ct<Cb<Cc
(A)Cb<Ct<Cc
(B)Cc<Ct<Cb
(C)Cb<Cc<Ct
(D)Ct<Cb<Cc
參考答案
無參考答案
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