我的毕业设计时做多层住宅，我选的 是做异形柱，但是不知道该如何估算截面尺寸，我的柱网跨度是4.8m和6.9m，柱距最大是4.8m。不知道可不可以，请各位路过的高手指教，谢谢
我的毕业设计时做多层住宅，我选的 是做异形柱，但是不知道该如何估算截面尺寸，我的柱网跨度是4.8m和6.9m，柱距最大是4.8m。不知道可不可以，请各位路过的高手指教，谢谢
2楼
异形柱的截面尺寸不能用矩形柱截面尺寸的估算办法！
因异形柱的截面尺寸不是由轴压比限制控制的，它是由梁柱节点截面尺寸（即异形柱截面尺寸）受剪承载力控制的。目前只好先设个尺寸，试算。在用PKPM计算内力后，可到下面网站下载CRSC软件验算梁柱节点截面尺寸是否满足。
7、8度抗震柱肢至少要250mm厚。
http://www.kingofjudge.com
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3楼
异型柱的各种指标都比矩形柱要严格得多,设计时候要多注意
PKPM从2007版才加入了异形柱规范,如果你没有的话还需要用其他软件验算节点
我建议最好设少量剪力墙,否则柱肢可能会变地很长,当柱肢的长度和厚度之比超过5的时候,也不能当异形柱算,要当墙来算了
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4楼
谢谢两位！不好意思现在才有时间看到。从这周开始结构计算了，我没有用剪力墙，全是用的L形和T形。
很可惜那个网站打不开，我这边是学校网
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5楼
上面网站的运行文件见附件
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6楼
CRSC软件的使用手册如下：
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7楼
頂頂頂頂頂頂頂頂頂頂頂頂頂頂頂████████████████頂頂頂頂
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8楼
頂頂頂頂頂頂頂頂頂頂頂頂頂頂頂████████████████頂頂頂頂
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9楼
頂頂頂頂頂頂頂頂頂頂頂頂頂頂頂████████████████頂頂頂頂
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10楼
頂頂頂頂頂頂頂頂頂頂頂頂頂頂頂████████████████頂頂頂頂
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11楼
頂頂頂頂頂頂頂頂頂頂頂頂頂頂頂████████████████頂頂頂頂
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