安装预应力prestressed
连续多跨multi-spans continuous
刚构rigid frame
受力load-carrying capability
等截面uniform section
拼接splice
跨越spanning
支架scaffoldings
模板formwork
跨线桥overpass bridge
最优化optimization
三跨three-span
结构优化设计optimum design of structures-program
单墩single pier
主梁girder断面deck/section
边、中跨径side span & middle spin
空心板梁hollow slab beam
工字形箱h-shaped box
板箱梁slab box beam
主梁截面girder section
中等(30～50米)的主跨跨径范围medium range of main span
刚度比ratio of rigidity
v形墩v-shaped pier
v形斜撑v-shaped inclined strut
与水平线夹角included angle with level line
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