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시공간적으로 편중된 강우에 의한 홍수사상 수치모의 - 2017년 8월 17일 청계천 홍수사상을 대상으로
안정환,정창삼,Ahn, Jeonghwan,Jeong, Changsam 한국방재안전학회 2018 한국방재안전학회 논문집 Vol.11 No.2
This study identifies the cause of the accident and presents a new concept for safe urban stream management by numerical simulating the flood event of Cheonggyecheon on August 17, 2017, using rain data measured through a dense weather observation network. In order to simulate water retention in the CSO channel listed as one of the causes of the accident, a reliable urban runoff model(XP-SWMM) was used which can simulate various channel conditions. Rainfall data measured through SK Techx using SK Telecom's cell phone station was used as rain data to simulate the event. The results of numerical simulations show that rainfall measured through AWSs of Korea Meteorological Administration did not cause an accident, but a similar accident occurred under conditions of rainfall measured in SK Techx, which could be estimated more similar to actual phenomena due to high spatial density. This means that the low spatial density rainfall data of AWSs cannot predict the actual phenomenon occurring in Cheonggyecheon and safe river management needs high spatial density weather stations. Also, the results of numerical simulation show that the residual water in the CSO channel directly contributed to the accident.
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대요근 근구 차단술 시행 후 발생한 요근 농양의 경험예 증례 보고
안정환,김용철,이상철,이영선 대한통증학회 2004 The Korean Journal of Pain Vol.17 No.2
Psoas compartment block (PCB) has been used for thigh, leg and lumbar area pain. It is now known to be safe and available to advocate for patients with lower extremity pain. Psoas compartment block was performed for the treatment of the lower extremity pain in a 61-year-old woman, complaining of sudden left thigh and inguinal pain. One day after the PCB, her body temperature was elevated and the leg pain aggravated by adduction of the left femur, suggestive of a psoas abscess. A huge abscess was found in the psoas major muscle on the immediate magnetic resonance image (MRI), and empirical antibiotics were administered. After a month, her left leg pain had subsided, and an MRI showed a diminished abscess pocket. Immediate laboratory check up and radiological examination are recommended for patients with fever and pain after blocks.
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