three hinged frame
... Standing Breech Hinged Frame 折叠式 three hinged frame 三铰框架 one span two hinged frame 单跨度双铰接框架 ...
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研究表明：（1）三榀异形柱试验框架的破坏机制总体上属于梁铰机制，满足了框架结构抗震设计的要求；
The research shows that: (1) the failure process of these three specimens is all from the beams to the columns, so this pattern meets the requirement of seismic design;
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