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http://dx.doi.org/10.22156/CS4SMB.2021.11.08.084

Inundation Pattern Analysis of Excavation at Construction Site and Derivation of Diasaster Cause and Effect Using Fish-bone Diagram  

Yoo, Dong-Hyun (Dept. of Safety Engineering, Incheon National University)
Song, Chang Geun (Dept. of Safety Engineering, Incheon National University)
Publication Information
Journal of Convergence for Information Technology / v.11, no.8, 2021 , pp. 84-91 More about this Journal
Abstract
In the 21st century, a number of storm and flood disasters caused by rapidly changing climate change is increasing, and the number of flood accidents at construction sites is also increasing. However, no specific reduction measures have been presented and thereby safety management to prevent flood accident need to be improved. Therefore, in this study, the inundation pattern by downpour at the excavation site was interpreted and the inundation risk quantification method was used to classify the risk magnitude. Finally, using the fish-bone diagram, we derived the major reasons of inundation accident at construction site systematically. The simulation results showed that the inundation depths of small-scale excavation sites and excavation sites exceeded 3 m due to the fluid flowing through the excavation surface. In addition, depending on the excavation site, a high velocity temporarily observed and decreased due to the storage effect, or high velocity surpassing 10 m/s continued. Since this type of flooding can pose a risk to most or all workers, if proper management measures are insufficient, fatal damage to life and property could occur. Consideration of the roots of these disasters is judged to be helpful in understanding the causes of inundation accidents that result in casualties and presenting accident reduction measures.
Keywords
Inundation; Quantification of Inundation Risk; Fish-bone Diagram; Excavation Work Site; Inundation Accident;
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