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GFRP 플레이트로 보강된 새로운 경량중공합성 바닥시스템의 전단성능 평가
박세호,류재호,주영규,김상대,Park, Se-Ho,Ryu, Jae-Ho,Ju, Young-K.,Kim, Sang-Dae 대한건축학회 2011 대한건축학회논문집 Vol.27 No.3
As the demand of high-rise residential buildings increases, newly systems maintaining good point of composite beam and developing serviceability was developed in and outside the country. But it also can't realize a long span structure. Thus there are some requirements for a new floor system that the long span, the reduced height, the improvement of serviceability, and the excellent fire proof can be achieved. For these reasons, we developed the Light-Weight Void Composite Floor using Glass Fiber Reinforced Plastic that can raise a stiffness without increasing weight and can offer a tension ability and fire resistant performance. In this study, it is subject to evaluate the shear performance through the proposal concerning shear design and the test result to evaluate applicability of new composite slab system in practice.
수익공유 기반 공급사슬에서 가격과 서비스 수준을 고려한 새로운 계약방법
박세호,이영해,조동원 대한산업공학회 2011 대한산업공학회 추계학술대회논문집 Vol.2011 No.11
본 연구는 공급사슬에 새로운 공급계약방법을 적용하여 공급사슬 전체의 입장에서 이익극대화를 위한 소매업체 및 공급업체들의 상황을 살펴보았다. 공급사슬의 최적화된 성과를 얻기 위해 공급사슬 내 파트너들의 위험과 인센티브를 서로 공유함으로써 공급사슬 전체의 이익을 최적화 시키는 수익공유모델을 채택하게 되었다. 그리고 수익공유에서 발생되는 문제점을 보완하는 수량할인계약을 결합하여 새로운 계약방법을 제시하였다. 이 계약방법을 통하여 공급사슬의 전체 최적화를 달성하면서 동시에 공급사슬의 모든 업체들이 서로 win-win 할 수 있음을 밝혀내었다.
박세호,이승태 한국도로학회 2021 한국도로학회논문집 Vol.23 No.6
PURPOSES : In this study, experimental findings regarding the frost resistance of concrete incorporated with mineral admixtures such as fly ash (FA) and ground granulated blast-furnace slag (SG) are presented. METHODS : To evaluate the performance of the abovementioned concretes under repeated freezing and thawing environments, based on the ASTM C 666 standard, the relative dynamic modulus of elasticity and mass ratio measurements are performed regularly. Furthermore, based on the ASTM C 672 standard, the concretes are exposed to 4% CaCl2 and NaCl salt solutions along with repeated 50 cycles of freezing and thawing. Subsequently, the scaling resistance is evaluated based on the scaled-off mass content and visual examination. RESULTS : SG is less effective in enhancing the scaling resistance of concrete compared with FA. However, the concrete incorporated with SG is more resistant to repeated freeze-thaw actions compared with OPC concrete. Meanwhile, compared with OPC concrete, the concrete incorporated with FA indicates a similar performance in terms of scaling resistance and better resistance against repeated freeze-thaw actions. CONCLUSIONS : The frost resistance of concrete depends significantly on the types of mineral admixtures used in concrete. This emphasizes the importance of selecting the appropriate binder to achieve durable concrete pavements in cold climate regions.
응급의료센터에 내원한 단일 장골 골절 환자의 진통제 투여에 미치는 인자에 대한 분석
박세호,민문기,류지호,김용인,박맹렬,박용면,염석란,한상균 대한응급의학회 2014 大韓應急醫學會誌 Vol.25 No.4
Purpose: Many patients complain of pain due to fracture inthe emergency department (ED). However, pain managementin these patients has not been performed well. Theobjective of this study is to describe analgesic utilization andassess factors associated with analgesic use in patientswith isolated long-bone fractures during the ED visit. Methods: We retrospectively reviewed electronic medicalrecords of patients presenting to two EDs with an isolatedlong bone fracture from January to December 2012. A totalof 358 patients were enrolled, and sex, age, arrival route,mechanism of injury, fracture type, fracture location, drugused for pain control, arrival time, physician in charge primarycare, and disposition were analyzed. Results: Analgesics were administered to 50% of patientsbetween 20~60 years, whereas 11.3% of patients under 20years old and 38.7% above 60 years old (p<0.01) receivedanalgesics. Better pain control was achieved in females,young adults, patients cared for by emergency medicineresidents, and visits made by emergency medical service orat dawn. Conclusion: The pain control rate of children is lower thanthat of adults in patients with an isolated long bone fracture. Active strategies for pain management are necessary bytriage physicians from this time forward.
박세호,이미라,양수영,이주연,이현하,성영제,김보혜,김희준,Hui Jin,Tony V. Johnston,구석모,박명수 한국식품과학회 2022 Food Science and Biotechnology Vol.31 No.13
In this work, the in vivo functionalities of milk fermented with Weissella confusa VP30 (VP30-EPS) and purified exopolysaccharide (pEPS) from the milk fermented with Weissella confusa VP30 were evaluated for their effect on constipation using an experimental constipated rat model. Rats were randomly divided into four groups: (i) control group (PBS administered normal group), (ii) loperamide treated group (constipation group), (iii) constipation with loperamide plus VP30-EPS (1 g/kg), and (iv) constipation with loperamide plus pEPS (0.6 g/kg) groups. Loperamide treatment induced animal constipation and significantly reduced the frequency of defecation, intestinal transit ratio, and water content of feces. However, all four fecal parameters were improved in both the loperamide plus VP30-EPS and pEPS administered groups as compared to the loperamide group. These results suggest that the addition of VP30-EPS potentially improves the functional laxative effects of commercial products. This study suggests the possibility that VP30-EPS can be applied to fermented and/or functional foods to relieve constipation.