对网架空心球节点球管接头的改进建议

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随着技术进步,空间网架结构正在我国逐步得到推广应用,尽管这种结构还有许多困难有待克服,但各地仍在尽最大努力用它来代替其他形式的结构。网架结构主要关键是节点,目前一般的常用形式是空心球与钢管相焊接,除少数网架工程采用纯空心球外,大多数空心球内部均加设有一块肋板,用以作为弦杆的传力件(见图1)。
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