二等水准测量方案设计 摘要:经过对济南黄河大桥基本情况和车流量的调查研究, 分析在桥上进行 水准测量的外界环境条件, 设计能够达到二等水准测量精度要求的测量方案, 为 类似的水准测量项目提供参考。 关键词:二等水准测量;电子水准仪;测量模式;测量方法 Abstract: through the Yellow River bridge in jinan basic situation and the investigation of the cars, and analyzes on the bridge to level measurement external environment condition, the design can be reached second class level required measure precision of measurement sy