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有關 " 各高度層順風向背風面設計風壓 P2(z)=q(h)CfCp-q(h)(GCpi)" 計算值
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李昱錡
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Aug 10, 2016, 4:08:53 AM
8/10/16
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to 耐風規範專家系統
依網頁輸入相關設計值後得
q(h)=96.68 kgf/cm2
Cf=1.8934
Cp=0.8
GCpi=0.375
P2(z)=96.68x1.89x0.8-96.68x0.375=110.19 kgf/cm2
但網頁計算為122.47 kgf/cm2 如下表 , P2(z)網頁所列之計算式會等於P1(h)<最高樓層h>
請問P2(z)是否有修正?
許先生
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Aug 10, 2016, 5:22:52 AM
8/10/16
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to windexpert...@googlegroups.com
您好 看了您的問題
關於您的 Cp 一值 因為 P2(Z) 為背風面,所以不是0.8
所以 計算出來的值不為110.19
剛剛試跑了一下,似乎最後並沒有將背風面的 CP值列出來
我明天會新增進去
李昱錡
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Aug 10, 2016, 5:53:51 AM
8/10/16
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to 耐風規範專家系統
感謝
抱歉是我不熟悉規範
查規範表2.4背風面Cp值後
在線性內插可得 -0.4709
P2(Z)即為正確值
許先生
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Aug 11, 2016, 1:34:56 AM
8/11/16
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to 耐風規範專家系統
感謝您,本系統的功能就是幫助不熟悉的各位
所以有缺少的部分,我已經新增進去
現在有迎風面及背風面的 CP值都顯示在列表中
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