請教鋼結構設計的問題 - 土木
By Sandy
at 2011-04-26T13:05
at 2011-04-26T13:05
Table of Contents
※ 引述《qlman (Qlman)》之銘言:
之前推文回的不好,造成其他板友的誤會,請容我在此多做解釋。
針對鋼梁弱軸不挫屈,不需考慮有效長度,做解釋。
台灣鋼構規範容許應力法中
7.3.1具結實斷面之構材
解說:…,此外,工型結實斷面受"弱軸彎曲"時彎無須考慮側向扭轉挫屈之問題。
我少打弱軸彎曲,造成誤會,不好意思。
台灣鋼結構規範極限強度設計法中
7.2.6實心圓或實心方斷面之梁或對弱軸彎曲之梁
…,Lb不受限制,其標稱強度Mn = Mp <= 1.5 My。
我說不需考慮有效長度的意思是,不管長度多少,法規都允許使用至1.5My。
--
之前推文回的不好,造成其他板友的誤會,請容我在此多做解釋。
針對鋼梁弱軸不挫屈,不需考慮有效長度,做解釋。
台灣鋼構規範容許應力法中
7.3.1具結實斷面之構材
解說:…,此外,工型結實斷面受"弱軸彎曲"時彎無須考慮側向扭轉挫屈之問題。
我少打弱軸彎曲,造成誤會,不好意思。
台灣鋼結構規範極限強度設計法中
7.2.6實心圓或實心方斷面之梁或對弱軸彎曲之梁
…,Lb不受限制,其標稱強度Mn = Mp <= 1.5 My。
我說不需考慮有效長度的意思是,不管長度多少,法規都允許使用至1.5My。
--
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土木
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