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건축 구조체를 이용한 개량 역타공법의 변천 과정과 적용 사례연구
이중재,정경식,노배영,홍원표,김종호,Lee, Jung-Jae,Jung, Kyoung-Sik,Roh, Bae-Young,Hong, Won-Pyo,Kim, Jong-Ho (사)한국토질및기초기술사회 2006 기술발표회 Vol.2006 No.-
Top-Down Construction Method has been considered as the steadiest and the most reasonable method of construction since 1984 when it was applied to LG Da-Dong building and its usage in the field construction has since grown rapidly. With increased cases, engineers not only pursue their studies of R & D continuously but also develop various technical methods based on Top-Down Construction in an era of rapid technological change to adopt them to the field construction. Top-Down Construction meets the needs of these challenging points, such as reduction and eliminates of temporary equipment for supporting permanent structures on the ground, improved method of construction, shortening construction periods, cost reduction, and allows for minimal environmental impact.
이중재,최승덕,당창권,강석남,김내수,Lee, Jung-Jae,Choi, Seung-Deok,Dang, Chang-Gwon,Kang, Suk-Nam,Kim, Nae-Soo 한국축산식품학회 2011 한국축산식품학회지 Vol.31 No.4
본 연구는 한우 농가의 소득에 직접적인 영향을 미치는 경매단가(AP) 및 도체판매가(CP)에 영향을 미치는 도체 특성(근내지방도(MS), 배최장근단면적(LMA), 등지방 두께(BFT), 도체중(CW) 및 육량 지수(MYI))와의 상관관계를 조사하였다. AP의 경우는 근내지방도(MS)가 가장 높은 상관(r=0.73)을 나타내었으며, CP는 도체중이 0.71로 가장 높고, 다음으로 근내지방도가 영향력이 높게 나타났다. 하지만, LMA, MYI는 비교적 낮은 상관을 나타내었다. 이상의 결과 농가의 소득의 향상과 한우의 MS 및 CW 향상이 유의적인 상관도가 있었다. The objective of this study was to investigate factors related to carcass traits of Hanwoo. In the statistical model developed in this study, slaughterhouse, carcass year, carcass month and sex effects were used as fixed effects and carcass traits (carcass weight, marbling score, loineye muscle area, backfat thickness and meat yield index) as covariations. The grading service data for 285,515 Hanwoo, which were evaluated by Animal Products Grading Service from 2005 to 2007, were used in this study. The partial R-square values of the fixed effects and the marbling score (MS), loineye muscle area, back-fat thickness, meat yield index and carcass weight (CW) on auction prices (AP) of the carcass and carcass price (CP) of the animals were estimated. The most important estimated trait in AP was MS. However, CW is the most important estimated trait on the CP and the MS also has secondly significant effect on the CP. In conclusion, MS as well as CW should maximize the farmer profits and establish a breeding scheme for Hanwoo.
지하굴착공사에 적용되는 버팀 시스템의 변화와 적용 사례연구
이중재,정경식,노배영,김홍택,Lee, Jung-Jae,Jung, Kyoung-Sik,Roh, Bae-Young,Kim, Hong-Taek (사)한국토질및기초기술사회 2006 기술발표회 Vol.2006 No.-
Since timbering of a cut in association with underground excavtion work is introduced to domestic, in spite of limitation of special quality in this method, time change, variety of construction, Strut Method is still considered with general methods. Experts have developed methods which is improved in limitation of special quality by continuous studies of normal strut method in basic, and it has been applied to construction site Consequently, this study introduced improved Strut Method to help experts when they select resonable methods with regard to construction site, conditions