柱Pn Mn的算法 - 土木
By Oscar
at 2014-01-09T14:42
at 2014-01-09T14:42
Table of Contents
請問版上大大們,
小弟最近在研讀RC柱的部分
看到有一種算法是
算出Pn及Mn 後再用Mn/Pn=e
Pn=Cc+Cs-T
Mn=Cc(h/2-a/2)+Cs(h/2-d')+T(d-h/2)
可是一般常見的計算式都是
用Pn*(e+d")=Cc(d-a/2)+Cs(d-d')
然後求出e值
再用Pn*e=Mn
請問這兩種方式各有什麼優缺點?
計算的結果都會一樣嗎?
--
小弟最近在研讀RC柱的部分
看到有一種算法是
算出Pn及Mn 後再用Mn/Pn=e
Pn=Cc+Cs-T
Mn=Cc(h/2-a/2)+Cs(h/2-d')+T(d-h/2)
可是一般常見的計算式都是
用Pn*(e+d")=Cc(d-a/2)+Cs(d-d')
然後求出e值
再用Pn*e=Mn
請問這兩種方式各有什麼優缺點?
計算的結果都會一樣嗎?
--
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