Investigation of Impact of Bridges Built on the Main Surface Water Collection Canals by Hydraulic Simulation (Case Study: Mianroud Canal - Tehran)

Document Type : Research

Authors

1 PhD Student of Civil Engineering, Construction Management, Department of Civil Engineering, Roudehen Branch, Islamic Azad University, Roudehen, Iran.

2 Assistant Professor, Department of Civil Engineering, Roudehen Branch, Islamic Azad University, Roudehen, Iran.

Abstract

Familiarity with storm water management and how to assess damage and deal with it to minimize and control it is very important in urban management systems. There are several methods for flood control that are considered depending on the hydraulic conditions. The use of main canals for surface water collection, flow diversion, catchment management, etc. are among the methods considered by urban designers. Meanwhile, the use of various softwares such as SSA, HEC-RAS and the use of engineering tools such as GIS in its environment has attracted the attention of many researchers. In this paper, the hydraulic studies of Mianroud canal in the area of District 5 of Tehran Municipality, which is one of the important surface drainage arteries of Tehran, have been considered with the help of mathematical model for flood risk zoning. Vulnerable areas have been identified and finally management strategies to control and reduce flood risks have been discussed according to the river regime and the conditions of the region. The results of the Mianroud canal crossing capacity at the intersection with the existing bridges show that the canal built at the site of the sixth bridge is unquestionably incapable of passing floods with a return period of ten years. The canal will be able to pass the 25-year-old flood only at the location of the second and seventh bridges and will overflow at the location of the other bridges. In the 50 and 100 year return periods, the canal will almost lose its function and will flood the surrounding areas with 100% fullness.

Keywords

References

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Numerical Methods in Civil Engineering
Volume 4, Issue 3
March 2020
Pages 59-67

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History

  • Receive Date: 03 January 2020
  • Revise Date: 03 February 2020
  • Accept Date: 03 March 2020

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