A Technical Review for Reducing Inundation Damage to High-Rise and Underground-Linked Complex Buildings in Coastal Areas (1): Proposal for Analytical Method

Kang, Taeuk; Lee, Sang-Ho; Sun, Dongkyun

doi:10.9798/kosham.2019.19.5.35

Cited by 3 publications

(2 citation statements)

References 4 publications

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“…The analyzed results were also checked through a field investigation. The total watershed area of Marine City is 0.53 km 2 ; and the region is a typical urban area consisting mostly of residential areas, commercial areas and roads, with the exclusion of some bare lands.…”

Section: Characteristics Of Watershed and Storm Sewer Networkmentioning

confidence: 99%

“…Climate change due to recent global warming raises the risk of disasters occurring in those coastal regions. These disasters may be a result of a rise in the average seawater level and increases in rainfall intensity and typhoon strength [2]. Under these circumstances, the development of coastal areas through reclamation has increased the risk of flooding, which has caused loss of life and damage to property [3].…”

Section: Introductionmentioning

confidence: 99%

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Enhancing an Analysis Method of Compound Flooding in Coastal Areas by Linking Flow Simulation Models of Coasts and Watershed

et al. 2020

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Rainfall, tide, and wave overtopping can together cause inundation in some coastal areas. However, there have been few cases of inundation analysis considering compound flooding due to the difficulty of the interdisciplinary technique. The purpose of this study is to suggest an analysis technique of compound flooding in coastal areas that links flow simulation tools of coasts and watershed. XP-SWMM was used to analyze rainfall–runoff simulation and 2D surface inundation analysis. A coupled model of ADCIRC and SWAN (ADCSWAN) was used for analyzing expected flow, including wave spectrum, tide, and storm surge from the distant ocean, and the FLOW-3D model was used to estimate the flow and wave overtopping in the coastal area. The analysis technique was applied to Marine City located in Busan, the Republic of Korea, where rainfall and wave overtopping occurred simultaneously during typhoons, and the results were reasonable. The study results are meaningful as they can contribute to the improvement of reproducibility of real phenomena of compound flooding in coastal areas through linked application of flow simulation tools of coasts and watershed.

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Section: Characteristics Of Watershed and Storm Sewer Networkmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Enhancing an Analysis Method of Compound Flooding in Coastal Areas by Linking Flow Simulation Models of Coasts and Watershed

et al. 2020

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A Technical Review for Reducing Inundation Damage to High-Rise and Underground-Linked Complex Buildings in Coastal Areas (2): Case Analysis for Application

Kang¹,

Lee²,

Heungbae³

et al. 2019

J. Korean Soc. Hazard Mitig

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A system of prior consultation for disaster impact reviews is being implemented for high-rise buildings and underground-linked complexes in Korea. However, there is no specific guidance within the system on inundation analysis. The main purpose of this study is to suggest a method for inundation analysis that takes into consideration the dangers to coastal areas arising from disasters. After reviewing cases of damage to coastal areas, the proposed elements for the analysis include probable rainfall over a 100-year return period, wave overtopping rates caused by storm surges or tsunamis, and tidal water levels (approximate highest high water level and storm surge height or tsunami height). In order to test these elements in a case study, we used ANSWAN (a coupled model of ADCIRC and UnSWAN) and FLOW-3D models to calculate tidal water levels and wave overtopping rates caused by storm surges, respectively. The analysis of a tsunami was performed using a HYCERG-FDTSU model developed by Hanyang University. XP-SWMM was used for a comprehensive inundation analysis. To validate the proposed analytical method, it was applied to Marine City in Busan. The results showed that the proposed analytical method is suitable for use within the system of prior consultation for disaster impact reviews in order to prepare for possible disasters.

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Sensitivity Analysis and Coverage Review of the Parameters for Inundation Simulations of Coastal Areas Using XP-SWMM

선¹,

강²,

이³

2021

J. Korean Soc. Hazard Mitig

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In the Republic of Korea, XP-SWMM is mainly used to analyze the causes of urban flooding, which occurs continuously, and to establish countermeasures. However, it is difficult for a model to be calibrated because most urban areas are ungauged. Therefore, many engineers use the default values provided in the user manual when using XP-SWMM. In this study, a sensitivity analysis of the four main parameters for simulating two-dimensional inundation with XP-SWMM was conducted. In addition, the proper ranges were reviewed for the parameters by comparing the archived map of the target area (Marine City in Busan) and the simulation results that were derived from parameter changes. The results of this study can be applied in the estimation of input data for various urban inundation analyses.

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A Technical Review for Reducing Inundation Damage to High-Rise and Underground-Linked Complex Buildings in Coastal Areas (1): Proposal for Analytical Method

Cited by 3 publications

References 4 publications

Enhancing an Analysis Method of Compound Flooding in Coastal Areas by Linking Flow Simulation Models of Coasts and Watershed

Enhancing an Analysis Method of Compound Flooding in Coastal Areas by Linking Flow Simulation Models of Coasts and Watershed

A Technical Review for Reducing Inundation Damage to High-Rise and Underground-Linked Complex Buildings in Coastal Areas (2): Case Analysis for Application

Sensitivity Analysis and Coverage Review of the Parameters for Inundation Simulations of Coastal Areas Using XP-SWMM

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