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김호선,장화섭,이호현,윤국현,Kim, Ho-Sun,Jang, Hwa-Sup,Lee, Ho-Hyun,Yun, Kuk-Hyun 한국전산구조공학회 2012 한국전산구조공학회논문집 Vol.25 No.1
본 연구는 다양한 건설 구조물 중 휨 응력을 받는 부재인 슬래브, 거더 등에 FRP(Fiber Reinforced Polymer) 박스부재를 적용하기 위한 기초 실험적 연구이다. 조립이 가능한 FRP 부재를 제작하여 FRP 박스부재의 대형단면으로서의 연결 후 압축파괴 거동 특성을 분석하기 위하여 다양한 조건으로 실험을 수행하였다. FRP 박스부재의 상부에 충진재와 하중재하 방법 및 연결형태에 따른 압축파괴 거동 실험을 실시하였으며, 이를 이용하여 유한요소해석을 수행하였다. 해석결과를 실험결과와 비교한 결과 강성이 약간 낮게 조사되었으나 시험체의 파괴지점에 응력이 집중되는 것을 확인할 수 있었다. This study is a basic experimental research to apply FRP (Fiber Reinforced Polymer) box members to slabs and girders among various architectural structures, which receive bending stress. We prepared prefabricated FRP member and connected it to an FRP box member as a large cross section before we conducted an experiment in diverse conditions to analyze characteristics of compressive fracture behavior. In this study, we carried out a compressive fracture behavior test according to fillers on the upper part of the FRP box member, loading methods, and connective types and thereby performed a finite element analysis. The comparison of analysis results with test results revealed that rigidity was found to be slightly low, while stress was concentrated on the fracture point of the sample.
Sacralization를 동반한 급성 요추 추간판탈출증 환자를 요방형근 MST를 비롯한 한방치료를 통하여 치료한 치험 1례
김문휘(Moon-Hwi Kim),배영현(Young-Hyeon Bae),김호선(Ho-Sun Kim),김해솔(Hae-Sol Kim),김재영(Jae-Young Kim),김성환(Sung-Hwan Kim),이상건(Sang-Gun Lee) 척추신경추나의학회 2014 척추신경추나의학회지 Vol.9 No.2
Objectives : The Purpose of this study is to investigate the clinical application of conservative treatment including quadratus lumborum MST for lumbar HIVD(Herniated Intervertebral Disc) with sacralization. Methods : We used acupunture, herbal acupuncture, herbal medicine, Quadratus Lumborum MST for this patient. This patient received hospital treatment for 25 days. Results : After conservative treatment, the patient’s pain was controlled and NRS score was decreased. ODI and ROM also were improved. Conclusions : Oriental conservative treatment including quadratus lumborum MST has a positive effect to control pain of lumbar HIVD(Herniated Intervertebral Disc) with sacralization.
김호선(Ho-Seon Kim) 한국정보기술학회 2011 한국정보기술학회지 Vol.9 No.2
지난 30여년 동안 PC와 함께 IT 업계를 호령했던 마이크로소프트사의 아성을 위협하며 인터넷과 뉴미디어 시대의 총아로 구글과 애플이 떠오른 지 채 몇 년도 지나지 않아서 IT의 생태계가 PC 중심에서 모바일과 클라우드 중심으로 급격히 이동하고 있다. 이 글에서는 변화되어 가고 있는 IT 생태계에서 거실과 안방의 주인이었던 TV는 어떤 변화를 겪고 있는지 살펴보고 미래에는 어떤 모습을 가지게 될 지 예측해 보려 한다.
비피(鼻皮) 증류액의 항균, 소염, 항산화 작용에 대한 연구
김호선 ( Ho Seon Kim ),이영종 ( Young Jong Lee ) 대한본초학회 2014 大韓本草學會誌 Vol.29 No.5
Objectives : The purpose of the study is to test the antibacterial, anti-inflammatory and antioxidant effects of BPH, which is composed of Pini Densiflorae Nodi Lignum and Querci Acutissimae Fructus, Angelicae Gigantis Radix, Cnidii Rhizoma, Angelicae Dahuricae Radix, Angelicae Tenuissimae Radix. Method : Antibacterial and anti-inflammatory effects of BPH on Propionibacterium acnes, one of anaerobic bacteria species were evaluated by measuring the levels of 2,2-diphenyl-1-picrylhydrazyl (DPPH) elimination and lipid peroxidation. Result : When BPH was applied to CCD-986sk (Human normal fibroblast) to confirm the level of cytokine(tumor necrosis factor-alpha, interleukin-8), its level increased in proportion to that of BPH`s concentration, which indicated dose-dependent relationship. Using the Disk diffusion to measure the bacterial growth inhibition zone varying BPH concentration, it was found that the antibacterial effect of BPH was less than that of erythromycin, the control group, but was higher than that of saline, and it increased with higher concentrations. In a liquid culture medium containing BPH, the growth rate of Propionibacterium acnes was decreased by more than 10% at 25% BPH. After adding P. acnes to THP-1 monocyte, and treated it with BPH, and measuring the concentration of TNF-a and IL-8, it was observed that the amount of TNF-a and IL-8 significantly decreased depending on the level of BPH concentration. The ability to eliminate DPPH increased with higher BPH concentration. The inhibition of lipid peroxidation was increased by BHT treatment in a dose-dependent manner. Conclusion : Using Propionibacterium acnes, an anaerobic bacteria, we confirmed that BPH has antibacterial, anti-inflammatory and antioxidant effects.
김호선(Kim, Ho-Sun),곽계환(Kwak, Kae-Hwan),성배경(Sung, Bai-Kyung) 한국구조물진단유지관리학회 2010 한국구조물진단학회 학술발표회논문집 Vol.2010 No.2
The function of FRP members has proven so that the study is actively ongoing now. However, due to weakening FRP manufacturers in Korea, there are many limits to design FRP members. This study is conducted to decide the optimum section for applying FRP members to flexural members. It aims to suggest the section that can be produced in Korea, satisfy limited conditions, and minimize the section, the maximum working stress and the maximum deformation.