關於96高考RC第四題 - 土木
By Edwina
at 2012-05-08T23:27
at 2012-05-08T23:27
Table of Contents
以下為題目網址
http://ppt.cc/JNM6
想請教各位先進與前輩關於壓力筋有效深度d'
與拉力筋有效深度d的計算方式
在蔡修毓的書上,他是假設d'=9.5 cm,d=53 cm ←
而我的計算是:
d'= 4 + 1.27 + 0.5*2.54 = 6.54 cm ←
(4是保護層厚度,1.27是D13箍筋直徑,2.54是D25拉筋直徑)
d = 0.5*(d1 + d2) = 55.94 cm ←
d1= 65 - 4 - 1.27 - 2.54 - 2.5 - 0.5*2.54 = 53.42 cm
d2= 65 - 4 - 1.27 - 0.5*2.54 = 58.46 cm
其中d1是上排拉筋的有效深度
d2是下排拉筋的有效深度
不曉得我算的d'與d是否有少考慮了什麼因素,導致算出來與蔡修毓的答案不同
煩請各位前輩先進幫我解答,謝謝
(如果不適合PO板的話,請版主告知一聲,謝謝)
--
http://ppt.cc/JNM6
想請教各位先進與前輩關於壓力筋有效深度d'
與拉力筋有效深度d的計算方式
在蔡修毓的書上,他是假設d'=9.5 cm,d=53 cm ←
而我的計算是:
d'= 4 + 1.27 + 0.5*2.54 = 6.54 cm ←
(4是保護層厚度,1.27是D13箍筋直徑,2.54是D25拉筋直徑)
d = 0.5*(d1 + d2) = 55.94 cm ←
d1= 65 - 4 - 1.27 - 2.54 - 2.5 - 0.5*2.54 = 53.42 cm
d2= 65 - 4 - 1.27 - 0.5*2.54 = 58.46 cm
其中d1是上排拉筋的有效深度
d2是下排拉筋的有效深度
不曉得我算的d'與d是否有少考慮了什麼因素,導致算出來與蔡修毓的答案不同
煩請各位前輩先進幫我解答,謝謝
(如果不適合PO板的話,請版主告知一聲,謝謝)
--
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土木
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