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38 一由兩根長 2 m,斷面同為 24 cm× 20 cm 之矩形桿上下膠結合成之懸臂梁 AB(如圖所示)。若於其自由端施加一純彎矩 40 kN-m,則於固定端 A 處上下矩形斷面間所需之水平膠結剪
問題詳情
38 一由兩根長 2 m,斷面同為 24 cm× 20 cm 之矩形桿上下膠結合成之懸臂梁 AB(如圖所示)。若於其自由端施加一純彎矩 40 kN-m,則於固定端 A 處上下矩形斷面間所需之水平膠結剪力強度至少為:
(A)5.0 MPa
(B)2.5 MPa
(C)1.25 MPa
(D)0
參考答案
答案:D
難度:非常困難0
統計:A(1),B(0),C(1),D(0),E(0)
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