薄壁圓管問題 - 土木
![Andy avatar](/img/beret.jpg)
By Andy
at 2012-05-25T11:38
at 2012-05-25T11:38
Table of Contents
http://ppt.cc/N0iv
有兩個問題想問
(1)如果是求內壁r應該是取50(mm)
如果是求外壁r應該是取51(mm)
但是題目試問在壁上,那是內壁還外壁阿,而且為甚詳解r是取50.5(mm)?
(2)我用莫爾圓算出的最大剪應力是12.625(kpa)但詳解是25.25(kpa)
是哪邊算錯了嗎?
--
有兩個問題想問
(1)如果是求內壁r應該是取50(mm)
如果是求外壁r應該是取51(mm)
但是題目試問在壁上,那是內壁還外壁阿,而且為甚詳解r是取50.5(mm)?
(2)我用莫爾圓算出的最大剪應力是12.625(kpa)但詳解是25.25(kpa)
是哪邊算錯了嗎?
--
Tags:
土木
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