The Early Warning and Algorithm Implementation of Urban Road Submergence in Heavy Rains

Wen Sheng Zhang; Qian Xie; Ji Jun Zhu; Ming Cong Feng; Bo Hang Liu

doi:10.4028/www.scientific.net/AMM.543-547.1671

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 543-547The Early Warning and Algorithm Implementation of...

The Early Warning and Algorithm Implementation of Urban Road Submergence in Heavy Rains

Abstract:

The heavy rains often have big impact on urban traffic, it causes a lot of water cumulating at road depression, which affects normal thoroughfare for vehicles and even brings about road congestion. In this paper, seed spread algorithm to determine the catchment area is improved through analyzing the topographic feature of the underpass bridge and its surrounding small area of city typical low-lying areas, and it solves the inaccurate problem of catchment area of small area. According to forecast information of meteorological department, accumulated water region is quickly simulated and the water depth is dynamically displayed through the analysis of the process of road depression flooded by heavy rains and the calculation of water-collecting amount and depth, which can provide early warning information. Through the secondary development of 3D GIS software-skyline, the early flood warning analysis and dynamic simulation of the urban rainstorm is implemented, which can provide decision support for traffic warning and emergency response.

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Periodical:

Applied Mechanics and Materials (Volumes 543-547)

Pages:

1671-1676

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.543-547.1671

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Online since:

March 2014

Authors:

Wen Sheng Zhang*, Qian Xie, Ji Jun Zhu, Ming Cong Feng, Bo Hang Liu

Keywords:

Flood Early Warnings, GIS, Three-Dimensional Dynamic Simulation, Urban Road

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* - Corresponding Author

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