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원통형 정착구를 사용하고 외부 긴장재로 보강된 강재보의 거동
최동호(Choi Dong-Ho),박응우(Park Eung-woo),정상환(Chung Sang-Hwan) 한국구조물진단유지관리학회 2004 한국구조물진단학회 학술발표회논문집 Vol.- No.-
The behavior of steel beams strengthened with external tendons using cylindrical anchorage is presented This strengthening method reduces an eccentricity due to a prestressed tendon In order to see the effects of the strengthening, numerical analyses on an Initial tendon force, an eccentric distance of the tendon from the beam, and the number of tendons are performed. The results show strong influence of the eccentric distance and the number of tendons In lowering deflections of beams and stresses of the bottom flange under tension
원통형 정착구를 사용하고 외부 긴장재로 보강된 강재보의 거동
최동호 ( Choi Dong-ho ),박응우 ( Park Eung-woo ),정상환 ( Chung Sang-hwan ) 한국구조물진단유지관리공학회 2004 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.8 No.2
The behavior of steel beams strengthened with external tendons using cylindrical anchorage is presented. This strengthening method reduces an eccentricity due to a prestressed tendon. In order to see the effects of the strengthening, numerical analyses on an initial tendon force, an eccentric distance of the tendon from the beam, and the number of tendons are performed. The results show strong influence of the eccentric distance and the number of tendons in lowering deflections of beams and stresses of the bottom flange under tension.
김형철(Hyeong Cheul Kim),이승환(Seung Hwan Lee),당창권(Chang Gwan Dang),임다정(Dajeong Lim),최봉환(Bong Hwan Choi),장선식(Sun Sik Chang),조영무(Young Moo Cho),전기준(Gi Jun Jeon),박응우(Eung Woo Park),조용민(Yong Min Cho),이준헌(Jun 충남대학교 농업과학연구소 2012 농업과학연구 Vol.39 No.2
The objective of this study was to examine the effect of plasma leptin and insulin concentrations on fat traits in Hanwoo. If a biological indicator such as plasma leptin and insulin was identified, it would be a useful biological marker that can be predicted marbling score in young animal. The relationship between plasma hormone (leptin and insulin) and fat traits (marbling score, back fat thickness and P8 fat thickness) was investigated. The experiment studies 100 Hanwoo that were randomly sampled from Hanwoo Experimental Station Herd. The concentration of plasma insulin was significantly associated with marbling score (P=0.02) but was not significantly with back fat thickness (P=0.07) and P8 fat thickness (P=0.09). Statistical model determinant that plasma insulin concentration account for phenotypes was moderate on marbling score (5%), back fat thickness (3%) and P8 fat thickness (9%). On the other hand, plasma leptin concentration was significantly associated with marbling score (P=0.03) and back fat thickness (P=0.02), but was not significant on P8 fat thickness (0.07). Statistical model determinant that plasma leptin concentration accounting for phenotypes was moderate effect on marbling score (3%) and back fat thickness (2%), but it has a slightly bigger effect on P8 fat thickness (7%). In conclusion, the plasma leptin and insulin seems to have an effect on fat traits (marbling score, backfat thickness and P8 fat thickness) in Hanwoo.