Abstract
Jinan is a historic city and famous for its springs. With the rapid development of urbanization, traffic congestion phenomenon occurred, especially in heavy rain weather. Based on the natural geographical conditions, hydrological and meteorological conditions, the urban road and urban drainage system of Jinan, analyzed the reasons as follow: unfavorable natural conditions, heavy rains space-time change sharply, urban impervious area expands unceasingly and urban drainage management system fall behind, etc. On the basis of successful experience domestic and foreign, aimed at the influencing factors that caused traffic congestion in heavy rains of Jinan, put forward the following measures and suggestions to solve the problem: (1)Enhance the ability of urban road against rainstorm floods. Increase the width of the road, and increase the construction of the drainage ditch system. (2)Improve the drainage standard of the city. Dredging river to improve the drainage ability and improve the drainage facilities construction. (3)Construction of rainwater utilization facilities. Such as reservoirs and pumping stations. It has important practical significance to ease road traffic congestion phenomenon in heavy rains weather of Jinan.
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