结构控制structural control structure control 结构控制: structural control 結構控制: structural control 结构控制剂: constitution controller裂缝宽度容许值裂缝宽度容许值: allowable value of crack width装配式预制装配式预制: precast 装配式预制的: precast-segmental 装配式预制混凝土环: precast concrete segmental ring安装预应力安装预应力: prestressed最优化optimization 最优化: Optimum Theory|optimization|ALARA 使最优化: optimized 次最优化: suboptimization空心板梁空心板梁: hollow slab beam主梁截面主梁截面: girder section边、中跨径边、中跨径: side span &middle spin主梁girder 主梁: girder|main beam|king post 桥主梁: bridge girder 主梁翼: main spar单墩单墩: single pier 单墩尾水管: single-pier draught tube 单墩肘形尾水管: one-pier elbow draught tube结构优化设计结构优化设计: optimal structure designing 扩 结构优化设计: Optimal Struc ture Designing 液压机结构优化设计软件包: HYSOP连续多跨多跨连续梁: continuous beam on many supports拼接板splice bar splice plate 拼接板: splice bar|s