But because of the lack of the current seismic ability design criterion of Highway bridge, there isn't a uniform standard in the bridge detailed component's seismic ability design.
但由于我国现行公路桥梁的抗震设计规范存在不足，致使设计细部构造时没有统一的标准。
Therefore, the research on adaptability of present highway bridge vehicle design load is needed to service the revision of the standard.
因此要研究公路桥梁设计汽车荷载的适应性，为修编汽车荷载标准服务。
RC-PIER is an integrated tool for the AASHTO Standard and LRFD analysis and design of reinforced concrete bridge substructures and foundations.
PIER是一款整合的桥梁工程套装工具，用于AASHTO标准和LRFD的钢筋混凝土桥梁底部结构与桥梁基础分析设计。
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