Analyzing of Hydraulic Performance and Possible Damage to Existing Storm Sewer Networks Tehran Region 2 Using SWMM Model

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SADEGHI S.; M.V.SAMANI J.; SAMANI H.M.V.

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Paper Information

Journal: IRANIAN JOURNAL OF WATERSHED MANAGEMENT SCIENCE AND ENGINEERING Year:2020 | Volume:14 | Issue:50 Page(s): 59-67

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Title

Analyzing of Hydraulic Performance and Possible Damage to Existing Storm Sewer Networks Tehran Region 2 Using SWMM Model

Author(s)

SADEGHI S. | M.V.SAMANI J. | SAMANI H.M.V. | Issue Writer Certificate

Keywords

Storm sewer networksQ1

SWMM modelQ1

Flood damageQ1

Rational methodQ1

Dynamic wave routingQ1

Abstract

Storm sewer networks are important components of urban planning and civil engineering, and any negligence in their proper design can be a problem for human societies. Analyzing urban flooding by modeling and analyzing Flood damage is an effective step to optimally manage urban transportation and reduce the damage caused by demolition of facilities. In this paper, using the SWMM model with 2, 5, 10, 20 and 50 year return periods with dynamic wave model and Rational methods, the existing potential for evaluating the efficiency of surface drainage network for partial of District 2 of Tehran was investigated. After evaluating the existing storm sewer network of the mentioned area the amount of runoff damage was estimated by statistical method. The results of the modeling show that there are flooding and surcharging in the link and node of drainage network for return periods of 5 years or more. This indicates the inefficiency of the existing network in collecting runoff from rainfall. The results also showed that the values of flood discharge obtained from the Rational method are much higher than the Dynamic wave routing method and this difference is due to the structure of the two methods. The results of the calibration process also show that the model has an acceptable capability to simulate the overall shape of the hydrograph and flood peak discharge. Also, with respect to the calibration results and the RMSE value, the Dynamic wave routing method is closer to the observed results, so it is more accurate. Damage assessment also showed that damages to buildings in the study area for return periods of 5, 10, 20 and 50 were 7, 9, 11 and 14 million, respectively, using Dynamic wave routing and 10, 12, 14 and 16 million by Rational method.

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APA: Copy

SADEGHI, S., M.V.SAMANI, J., & SAMANI, H.M.V.. (2020). Analyzing of Hydraulic Performance and Possible Damage to Existing Storm Sewer Networks Tehran Region 2 Using SWMM Model. IRANIAN JOURNAL OF WATERSHED MANAGEMENT SCIENCE AND ENGINEERING, 14(50 ), 59-67. SID. https://sid.ir/paper/400902/en

Vancouver: Copy

SADEGHI S., M.V.SAMANI J., SAMANI H.M.V.. Analyzing of Hydraulic Performance and Possible Damage to Existing Storm Sewer Networks Tehran Region 2 Using SWMM Model. IRANIAN JOURNAL OF WATERSHED MANAGEMENT SCIENCE AND ENGINEERING[Internet]. 2020;14(50 ):59-67. Available from: https://sid.ir/paper/400902/en

IEEE: Copy

S. SADEGHI, J. M.V.SAMANI, and H.M.V. SAMANI, “Analyzing of Hydraulic Performance and Possible Damage to Existing Storm Sewer Networks Tehran Region 2 Using SWMM Model,” IRANIAN JOURNAL OF WATERSHED MANAGEMENT SCIENCE AND ENGINEERING, vol. 14, no. 50 , pp. 59–67, 2020, [Online]. Available: https://sid.ir/paper/400902/en

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