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인공지반녹화용 멤브레인 방수 및 방근재료의 방근성능 평가 방법 제안 연구
오상근(Oh Sang-Keun),김영근(Kim Youn-Geun),신주재(Shin Ju-Jea),김현수(Kim Hyeon-Soo),권시원(Kwon Shi-Won) 대한건축학회 2009 大韓建築學會論文集 : 構造系 Vol.25 No.11
The purpose of this paper is to propose a standard test methods of resistance to root penetration for waterproofing and rootproofing membrane using green roof system. Green roof system is considered to be an important subject in construction industry for green growth project. At the same time, we have to consider the counterplan for protection the damage of waterproofing layer and concrete substrate from the penetration of plant root. But many kinds of materials for protection from root penetration are using in construction field. But the performance of those materials is not clear, and there is not test methods for the evaluation of performance. So in this paper, based on the research results of 4 institutes during four years and foreign cases, we made a standard test methods of resistance to root penetration for waterproofing and rootproofing membrane using green roof system. This test method deals with about environmental condition of laboratory, experimental facilities, kinds of plant, specimen of test , management methods, evaluation duration and documents, etc.
식도암 환자에서 혈관 내 스텐트 삽입으로 치료한 대동맥 식도 누공
윤경한 ( Kyung Han Yoon ),장재영 ( Jae Young Jang ),오신주 ( Shin Ju Oh ),박유민 ( Yoo Min Park ),정명화 ( Myoung Hwa Jung ),김정욱 ( Jung Wook Kim ),장영운 ( Young Woon Chang ) 대한내과학회 2015 대한내과학회지 Vol.88 No.2
Hemorrhage into the esophagus due to aortoesophageal communication is very rare but life-threatening with high morbidity and mortality. Because of this, most cases of aortoesophageal fistula are confirmed by autopsy. However, we report herein a case of a 62-year-old male with an aortoesophageal fistula who was successfully treated with endovascular stent-grafting. The patient had undergone esophageal stent insertion due to esophageal cancer and experienced hematemesis and hemodynamic shock due to an aortoesophageal fistula. Emergency endoscopy was unable to identify the source of the hemorrhage due to massive bleeding. Computed tomography of the chest revealed a focal pseudoaneurysm at the descending aorta and diffuse thinning of the esophageal wall, which were treated with endovascular stent-grafting. Although aortoesophageal fistulas are usually fatal, implantation of a covered stent into the esophagus may help prevent massive bleeding, providing valuable time to treat the patient. (Korean J Med 2015;88:182-186)