Replacing encased channel truss with encased square-steel-tube truss can facilitate layout of truss in column and layout and anchorage of prestressed reinforcements placed horizontally.

 
  • 用内置方钢管桁架替代内置角钢桁架可方便其在柱内布置,方便梁底按水平布置的预应力筋的布置和张锚。
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