According to the city road network capacity restriction, Put forward the optimization model of the traffic target structure, and analyze the meaning of the model.
提出基于城市道路网络容量约束下的交通目标结构优化模型，分析了模型的意义。
Abstract: : this paper in the old and new structure layer control aspects of the city to the old road reconstruction asphalt concrete level of treatment methods are put forward.
摘要：本文在新旧结构层的控制方面对城市的旧道路改造沥青混凝土层面上提出自己的处理方法。
In the combination with the design of Tuanji Road Interchange Ramp Bridge in Daqing City, the paper briefly introduces the design and construction of steel-concrete combination structure.
结合大庆市团结路立交匝道桥的设计，简要介绍钢—混组合结构的设计和施工。
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