从理论的高度对大跨度顶进箱形框架的工作原理进行分析。
The operational principle of large span driving box frame is analyzed.
由此可见，用光弹性试验方法可以得出较准确的数据，为斜交箱形框架桥的设计和理论分析提供比较可靠的依据。
So the accurate data from the photoelastic method providing reliable basis for the design and theoretical analysis of oblique frame bridge can be obtained.
本文对钢筋混凝土巨型框架结构箱形节点抗震性能进行了试验研究及ANSYS程序有限元分析。
The seismic capacity of the box-shaped joint in the reinforced concrete mega-frame structure system is studied, and the finite element analysis is done with ANSYS .
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