beam truss string structures
beam truss string structures
梁桁架弦结构
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The problem concerning form finding of the beam(truss)string structures is studied and the method named offloading by steps is put forward in accordance with the mechanical behavior of the structures.
对张弦梁（桁架）结构的找形问题进行了深入研究，根据该类结构的受力特点，提出了分级卸载法，并应用于该类结构两端张拉施工过程的找形分析。
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