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规划、设计桥梁工程,以往只凭经验作粗略地定性估计;或直接采用桥位所在地区或线路的交通量,结果造成有的工程使用多年而达不到设计交通量;有的在建成通车时间不长便出现“卡脖子”路。本文以山东省东明黄河公路大桥预测交通量为例,根据公路桥梁独具的功能、作用和交通特点出发,在经过详尽调查研究和掌握充分的资料和数据基础上,全面分析其未来交通量来源、组成及发展趋势,从而建立预测网络模型,并采用数学方法进行定量分析来预测交通量。可供参考。
In the past, planning and design of bridge projects were based on rough estimation of experience only, or directly using the traffic volume of the area or line where the bridge was located. As a result, some projects could not reach the designed traffic volume for many years. Not easy to appear “card neck” road. Based on the predicted traffic volume of Dongming Yellow River Highway Bridge in Shandong Province, based on the unique functions, functions and traffic characteristics of highway bridges, this paper analyzes thoroughly the future sources of traffic volume on the basis of thorough investigation and research and adequate data and data. , Composition and development trend to establish a predictive network model, and using mathematical methods for quantitative analysis to predict traffic volume. For reference.