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표고 데이타베이스에 의한 산사태 위험평가의 기초적 연구
강인준,이홍우,곽재하,정재형,Kang, In Joon,Lee, Hong Woo,Kwak, Jae Ha,Joung, Jae Hyeung 대한토목학회 1993 대한토목학회논문집 Vol.13 No.2
산사태는 발생빈도는 적으나 자연적 요인이나 인위적인 요인에 의한 사면의 안정파괴시 많은 인명 및 재산상의 손실을 유발시킨다. 최근 산사태 발생지역 예측을 위한 통계적 방법과 현장관측 방법 등의 연구가 지속적으로 진행되고 있으나 발생체계의 복잡성으로 많은 어려움이 있다. 본 연구에서는 산사태 위험지역 예측을 하기위해 산사태가 발생한 지역을 모델 지역으로 선정하였다. 모델 지역의 지형을 축척 1 : 25,000, 1 : 10,000, 1 : 5,000, 1 : 1,200별 비교를 하기위해 표고를 데이타베이스화하여 표고 및 경사도의 경중률에 의한 예측을 한 결과 부분적인 예측이 가능함을 알 수 있었다. Landslides, failure of slope stability by natural or artificial factors, occur loss of life and properties. Recently, statistical methods and field measurements are used to a study for prediction of landslide harzard area, but there are so many difficulties to find the occurence system because of its complexity. In this study, authors choose the model area where occured landslides to predict the landslide hazard. Authors made a database of ground height to compare the each topography by scale of 1 : 25,000, 1 : 10,000, 1 : 5,000 and 1 : 1,200. Authors predict to landslide hazard area by the weight of ground height data and slope angle data. Finally, authors could know the possibility of prediction to find the landslide hazard partly.
人工衛星測量에 의한 自動車 自動位置決定에 관한 實驗的 硏究
康仁準,郭載河,鄭載衡,朴修完 부산대학교 공과대학 1993 工大論文集 Vol.45 No.-
In the fixing of positions on the ground, the fixed position is determined by triangulation, traverse surveying and astronomy surveying. However, when the positional target is moving, it has been impossible to determine the location of position. Satellite position fixing system can be used anywhere on earth arranged in 20,000km high with 24 satellites. The location of car has been determined by the distance from starting point. The theoretical method of the fixing carposition is using satellite position fixing system. This study is the part of the experiment which is done for the development of the system used in Car-position fixing system. In this study, the comparison of one point positioning and relative positioning has been made.
航空寫眞情報의 데이타베이스에 의한 自然環境變化의 分析 : 釜山大學校를 中心으로
康仁準,郭載河,鄭載衡,朴起台 부산대학교 공과대학 1993 工大論文集 Vol.45 No.-
Photographic interpretation is the act of examining photographic images for the purpose of identifying objects and judging their significance. Aerial photographs contain a detailed record of the ground at the time of exposure. A systematic study of aerial photographs usually involves a consideration of the basic characteristics of photographic images. Seven of these characteristics are shape, size, pattern, shadow, tone, texture, and site. In this paper, authors choose the Pusan National University located at the Kum-Joung Koo, Pusan as model area. Ten years of interval in 1980 and 1990, authors know the rate of decreasing forest is approximately 43 percents and the necessity of the protection of forest. Decrease of forest caused by urbanization. Authors know the changes of natural environment by database for interpretation of aerial photographs. Authors suggest the combination of construction and protection of environment.