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문강,최진수,손석준,김병우,Moon, Gang,Choi, Jin-Su,Sohn, Seok-Joon,Kim, Byong-Woo 대한예방의학회 1993 Journal of Preventive Medicine and Public Health Vol.26 No.3
This survey was conducted to investigate Farmers' Syndrome and its related factors in Chonnam province. 5,920 (men 6,148, women 6,722) persons in urban area and 12,870 (men 6148, women 6,722) persons in rural area were selected in stratified cluster sampling manner, and interviewed individually with structured questionnaire in April, 1992. The results were summarized as follows : 1 In rural area of Chonnam province, the prevalence of Farmers' syndrome positive was 283 per 1,000 persons (203 in male, 355 in female). In urban area of Chonnam province, control area, the prevalence of Farmers' syndrome positive was 113 (72 in male, 145 in female). The prevalence of Farmers' syndrome positive in rural area was 2.5 times higher than that of urban area, and the prevalence in female was 1.7 times higher than that of male. The prevalence in total respondents was 256. 2. In rural area of Chonnam province, the age standardized prevalence of Farmers' syndrome positive was 209 per 1,000 persons (140 in male, 267 in female). In urban area of Chonnam province, control area, the age standardized prevalence of Farmers' syndrome positive was 122(79 in male, 158 in female). The age standardized prevalence in total respondents was 194. 3. The associated factors with Farmers' syndrome in univariate analysis were having illness during recent 15 days, age, sex, occupation, area, monthly income, education, medical security status, family size and duration of farming. 4. When applying multiple logistic regression for Farmers' syndrome, the significant variables were having illness during recent 15 days, area, sex, age, education, medical security status, family size and duration of farming.
월파에 의한 경사식구조물 배후면에 작용하는 낙하파압에 대한 실험적 연구: 비쇄파조건
이종인(Jong-In Lee),문강일(Gang Il Moon),김영일(Young Il Kim) 한국해안해양공학회 2022 한국해안해양공학회 논문집 Vol.34 No.2
파랑이 구조물과 만나게 되면 강한 처오름이 발생하게 되며, 이러한 처오름은 월파를 야기하게 된다. 월파에 의해 야기된 월파수괴에 의해 구조물 배후면에 강한 낙하파압이 작용하게 된다. 구조물 배후면의 포장체 등을 설계하기 위해서는 월파 등에 의한 낙하파압이 산정되어야 하지만 여전히 불명확한 부분이 있다. 본 연구에서는 경사식구조물을 대상으로 월파에 의한 낙하파압 계측을 위한 수리실험을 수행하였으며, 수리실험에서는 파랑조건, 여유고, 피복재 높이 및 파라펫의 유무에 따른 낙하파압의 변화를 계측하였다. 상치콘크리트에는 월파의 효과적인 저감을 위해 파라펫이 설치되기도 하지만, 파라펫 설치로 인해 배후면에 작용하는 낙하파압은 증가하는 것으로 검토되었다. 수행된 실험결과를 이용하여 경사식구조물의 상치콘트리트 배후면에 작용하는 최대 낙하파압을 산정할 수 있는 경험식을 제안하였다. The large uprush could be occurred when the waves hit the coastal structure and this uprush by wave could make the overtopping. The downfall of the wave overtopping water over the structure brought about the vertical impact loads. The vertical impact loads should be evaluated in order to design the pavement behind the crown wall however these loads were still unclear. In this study, the hydraulic model tests for the downfall impact loads by wave overtopping were performed and the various conditions were applied to the tests. The effect of the incident wave condition, the freeboard, the armour crest height and the height of the parapet were investigated. The test results showed that the parapet on the crown wall could reduce the wave overtopping however the inclusion of parapet could lead to the increased downfall wave pressures behind the crown wall. The empirical formulae were proposed for evaluating the maximum downfall pressures behind the crown wall of rubble mound structure.
저 마루높이 구조물의 피복재 안정성 실험: 피복석 피복 조건
이종인(Lee, Jong-In),배일로(Bae, Il Rho),문강일(Moon, Gang Il) 대한토목학회 2020 대한토목학회논문집 Vol.40 No.1
본 연구에서는 피복석으로 피복된 저 마루높이 구조물의 안정성을 검토하기 위해 2차원 수리실험을 수행하였다. 피복석 안정성은 구조물 상부, 전사면 및 후사면을 대상으로 파형경사와 여유고를 변화시키며 검토하였으며, 피복석의 주된 피해는 전사면 상부와 바다측 마루부에서 발생하였다. 수행된 2차원 실험결과를 이용하여 파복석의 안정계수 산정을 위한 경험식을 제안하였다. In this study, the stability of low crested structure armoured by rock has been investigated using two-dimensional hydraulic model tests. The effect of wave steepness and freeboard on the rock stability on crest, front, and the rear slope has been investigated. Rocks were mostly damaged near the upper part of the seaward slope and the crest of the seaward side. From the experimental data, the new empirical formula for the stability coefficients of the rocks was proposed.
박형철,박종,이윤지,문강,Park, Hyung-Cheol,Park, Jong,Lee, Youn-Ji,Moon, Gang 대한예방의학회 1991 Journal of Preventive Medicine and Public Health Vol.24 No.3
This study was performed to identify the maternal risk factors for the low birth weight. During the period from February to June in 1991, the medical record review and questionnaire interview were conducted upon the 465 pregnant women who were admitted to and delivered a baby in 3 general hospitals and an obstetric hospital in Kwangju area. The health and other related information from women who bore the low birth weight infant was compared with those from women who bore the normal birth weight infant. The results obtained were as follows : 1. Maternal age, low body weight at term, illegitimate birth, and maintaining work activity during pregnancy were positively associated with low birth weight. 2. The positive association was revealed between low birth weight and the previous abortion, short gestational weeks, anemia, low maternal weight gain during pregnancy, the obstetric present illness and hypertension. 3. Some maternal working conditions were associated with low birth weight although statistically not significant. 4. In multivariate logistic regression analysis, gestational weeks and maternal weight gain during pregnancy were related with low birth weight.