問題詳情
18 一均質彈性材料 B 為矩形斷面，其厚度為 4 mm，容許拉力強度為 120 MPa。現以兩支直徑為 16 mm之螺栓固定於一剛體材料 A 上（如圖所示）。若螺栓之容許剪力強度為 30 MPa，則材料 B 之寬度至少需為多少方能確保其為連接螺栓剪應力控制狀態？ 
(A)12.6 mm
(B)18. 9 mm
(C)22. 6 mm
(D) 25. 1 mm
(A)12.6 mm
(B)18. 9 mm
(C)22. 6 mm
(D) 25. 1 mm
參考答案
答案：D
難度：非常困難0
統計：A(1),B(3),C(1),D(0),E(0)
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