ETABS強柱弱梁問題 - 土木
By Anonymous
at 2011-04-29T23:24
at 2011-04-29T23:24
Table of Contents
※ 引述《ppopzj (傻強)》之銘言:
: 依據15.2.2柱之最小撓曲強度
: 解說中的最後一句
: 建築物中,當某層之柱位與上層之柱位錯開,此時如欲設計為強柱弱梁,以符合第
: 15.5.2.2節之規定,常有困難。因此規定此種情況下之柱若能於全長設置圍束箍筋
: ,亦容許塑鉸產生在柱。
: 所以你這隻柱不考慮強柱弱梁,就全程緊密箍筋吧。
: 我不知道8版怎麼設定,這可看有沒有其他的高人幫忙解決,不好意思了。
多謝前輩們的意見
詢問過公司同事 該部分會用緊密箍筋來做處理
Q大請問一下
為什麼要先把柱頂的m2,m3給release之後
再跑分析的原因呢
另外關於ETABS8
在Beam/Column capacity ratio 及Joint shear stress檢核時
出現N/A (=not applicable)
去看Beam/Column 及Joint shear檢核內容時
它顯示
Rules:...is only determined for a station
a)if the station has a beam-column joint(top of column)
b)if the frame is a ductile moment resisting frame
c)if the frame itself is a concrete column
d)if the frame above is a concrete column when it exists
e)if all the beams framing into the column are concrete beams
f)if the combo involes seismic load
上面的訊息是指我要滿足以上 所有 的條件才會計算的意思嗎
是不是我上部結構是鋼構 沒有滿足 d)項
所以程式沒計算呢
那我需不需要做額外的檢核勒???
--
: 依據15.2.2柱之最小撓曲強度
: 解說中的最後一句
: 建築物中,當某層之柱位與上層之柱位錯開,此時如欲設計為強柱弱梁,以符合第
: 15.5.2.2節之規定,常有困難。因此規定此種情況下之柱若能於全長設置圍束箍筋
: ,亦容許塑鉸產生在柱。
: 所以你這隻柱不考慮強柱弱梁,就全程緊密箍筋吧。
: 我不知道8版怎麼設定,這可看有沒有其他的高人幫忙解決,不好意思了。
多謝前輩們的意見
詢問過公司同事 該部分會用緊密箍筋來做處理
Q大請問一下
為什麼要先把柱頂的m2,m3給release之後
再跑分析的原因呢
另外關於ETABS8
在Beam/Column capacity ratio 及Joint shear stress檢核時
出現N/A (=not applicable)
去看Beam/Column 及Joint shear檢核內容時
它顯示
Rules:...is only determined for a station
a)if the station has a beam-column joint(top of column)
b)if the frame is a ductile moment resisting frame
c)if the frame itself is a concrete column
d)if the frame above is a concrete column when it exists
e)if all the beams framing into the column are concrete beams
f)if the combo involes seismic load
上面的訊息是指我要滿足以上 所有 的條件才會計算的意思嗎
是不是我上部結構是鋼構 沒有滿足 d)項
所以程式沒計算呢
那我需不需要做額外的檢核勒???
--
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