梁撓度的有效慣性矩 - 土木
By Bennie
at 2011-04-18T13:41
at 2011-04-18T13:41
Table of Contents
版上前輩們您好!
梁撓度的有效慣性矩Ie = [(Mcr/Ma)^(3)*Ig] + [1-(Mcr/Ma)^(3)]*Icr 小於等於Ig
Ig = 總斷面慣性矩
Icr = 開列斷面轉換成混凝土斷面慣性矩
Ma = 計算撓度之最大彎矩
Mcr = 開列彎矩
請問:
Ma 是 Md 還是 Mn 啊?
計算撓度之最大彎矩是[梁的設計彎矩]還是[梁的計算彎矩]啊?
還是說Ma是另外的定義呢?
麻煩版上前輩們能不吝嗇告知,後學在此感激不盡,謝謝!
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帝問岳飛曰:「卿得良馬否?」對曰:「臣有二馬,日啗芻豆數斗,飲泉一斛,然非精潔
即不受;介而馳,初不甚疾,比行百里,始奮迅,自午至酉,猶可二百里,褫鞍甲而不息
不汗,若無事然。此其受大而不苟取,力裕而不求逞,致遠之材也。不幸相繼以死。今所
乘者,日不過數升,而秣不擇粟,飲不擇泉,攬轡未安,踴躍疾驅,甫百里,力竭汗喘,
殆欲斃然。此其寡取易盈,好逞易窮,駑鈍之材也。」帝稱善。
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