關於垂直地震力.... - 土木
By Tristan Cohan
at 2011-06-08T18:38
at 2011-06-08T18:38
Table of Contents
我想了一個下午了....誰來救我....
新版的耐震規範 調整了載重組合係數
所以在計算地震力E的時候,
起始地震力放大係數 Ay = 1.0
然後....問題來了...
在規範 2.18..
近斷層區域....柱子 Kz = (0.8*S_DS*I) / (3* Ay)
這一個部份的 Ay 也是要用1.0代入嗎???
我的一個公家的案子....
算出來的 Kz = 0.80 * 1.024 * 1.5 / (3*1) = 0.4096
這樣是對的嗎???
對新規範來說...現在柱的折減係數...有人算得出來嗎??
======補充一下=====
401-96新規範的載重組合...
1.4D ......
1.2D+1.6L ......
如果....現在要設計 版 或 小梁 .....
那該用哪個載重組合???
401-86 1.4D + 1.7L ??
我突然覺得...我還蠻無聊兼白癡的...哈~~
如果可以用401-96的組合...那小梁跟版配筋都可以減少了...
--
Tags:
土木
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