討論一下柱設計吧~~ - 土木
By Jake
at 2011-06-30T12:11
at 2011-06-30T12:11
Table of Contents
其實規範的401-93 跟 401-96 大同小小小異(異在哪?? 編排啦~~拖去扁一頓)
其實很多技師都不知道 柱設計倒底是改在哪....
phi(折減係數)嗎??? 0.65~0.90
壓力控制...拉力控制...過渡斷面...
前幾天版上的p大(出賣中....)在跟我私下的討論中....
說到了重點....就是新版的phi並不好計算求得....
因為它跟應變有關...
(某老師也承認 phi並不容易可以算出) (在非特例的狀況下)
那麼....在設計上的後處理程式...該怎麼處理???
原本柱設計中都是找P-M CURVE來求得配筋量.....
那現在必須修正原本的P-M CURVE變成 PHI*P - PHI*M CURVE.....
將PHI的影響直接放到PM CURVE中....
再來求取設計鋼筋量....
====以上有人懂我的意思嗎??? k大出來貢!!===
那明天要正式換成新規範了....
就所我知....大概9成的事務所...還是繼續用舊規範....
有好幾位建築師...有打來詢問新舊規範的差異性...
建築師跟建設公司在乎的不是規範的修正...而是 鋼筋量 跟結構尺寸...
ccc....這個部份 p大 做的很好...看他要不要跟各位分享了....
不過我覺得這部份是私財啦... p大還是潛水好了~~哈~~~
=====以上 屬於本日鬼扯範圍....無聊的別來====
今天早上去某上市公司報告結構設計的內容...
啃~~~鋼筋量太重....
結果把梁柱版牆及基礎 與建設公司的舊案相比....
差在牆鋼筋...每坪差了快50kg....
請建設公司將舊案拿出來....林北卡好ㄌㄟ...
所有"牆"都是單層鋼筋.....
差一點當場跪下.....
有時候在做業務的競爭....唉.....
一坪差50kg 100坪的房子 差 5000kg ...
1kg連工帶料 大概是25元.... 差了125000元....
xxx的.... 100坪的房子 賣價近2500W....
建設公司的成本 在廣告及獎金上 都是大手筆....
唉.....
如果將來買賣契約書上 有明載鋼筋用量的話....
大概事務所的競爭 也會良性化一點....
====以上屬心得抱怨文,因為鋼筋量都輸人輸很慘....技不如人=====
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