方钢管混凝土框架结构多应用于民用多、高层建筑工程中。
Square concrete filled steel tube (SCFT) frame has been widely used in civil multistoried buildings.
最后，依据试验结果，提出了方钢管混凝土框架结构的抗震加固设计建议。
At last, based on the test results, the proposal of how to strengthen the SCFT frame has been presented.
本文建立了方钢管混凝土框架结构的三维非线性有限元分析模型，用以研究方钢管混凝土框架在低周反复荷载作用下的抗震性能。
A 3-d nonlinear finite element model of concrete-filled rectangular tubular frame is proposed in the paper to research the seismic behavior of this type of structure under low-reversed cyclic loading.
本文建立了方钢管混凝土框架结构的三维非线性有限元分析模型，用以研究方钢管混凝土框架在低周反复荷载作用下的抗震性能。
A 3-d nonlinear finite element model of concrete-filled rectangular tubular frame is proposed in the paper to research the seismic behavior of this type of structure under low-reversed cyclic loading.
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