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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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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