prestressed concrete roof trusses
prestressed concrete roof trusses
预应力混凝土屋架
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Through the analysis of the load-deflection curves of prestressed concrete roof trusses, it is shown that these trusses deflect a considerable amount in the state of ultimate strength.
本文通过对预应力混凝土屋架的荷载-挠度曲线分析,说明预应力混凝土屋架在强度极限状态时,屋架的挠度是不小的。因此,由屋架的变位引起的上弦次弯矩影响是不可忽略的。
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