전국최초 「119 토목구조대」 부산 창설

김가야(Ga-Ya Kim) 대한토목학회 2020 대한토목학회지 Vol.68 No.10

부산시 해안지역의 용도지역 변화패턴 연구

김가야 ( Ga Ya Kim ),김정호 ( Jung Ho Kim ),김성진 ( Sung Jin Kim ) 한국지리정보학회 2007 한국지리정보학회지 Vol.10 No.1

도시의 성장에 따라 도시계획구역의 변화와 함께 도시 내의 그린벨트를 포함한 자연녹지와 노후화된 도시시설이 입지한 토지에 대한 재개발이 이루어지고 있다. 이러한 현상은 도시의 형성이 오래되고 도시의 성격이 급속히 변화 할수록 그 속도가 빨라진다. 부산은 1970, 80년대 경제성장의 선봉에 있었던 산업시설이 도시의 외곽으로 이전하고 항만시설이 노후화, 쇠퇴화 되면서 도시의 산업형태가 2차 산업에서 3차·4차의 고차산업으로 변화하는 현상이 일어나고 있으며 주거지역의 경우도 내륙지역의 오래된 주거지역이 주거환경의 악화와 도심으로의 교통의 편리성이 증대되면서 인근 지역으로 이동하는 현상이 나타나고 있다. 이에 용도지역에 대한 변화를 분석한 결과 내륙지역보다 해안에 접해있는 지역이 주거지역이나 상업지역의 확산이 뚜렷이 나타났으며, 구 시가지의 공장 등이 강서구나 기장군의 대규모 공업단지로 이전하면서 공업지역의 면적이 뚜렷이 변화하는 것으로 나타났다. Redevelopment about land that nature green tract of land and dilapidated city equipment including greenbelt make a strong resolution in city with change of town planning area according to growth of city is consisting. Formation of city of these phenomenon is old and personality of city changes rapidly, the speed becomes fast. Phenomenon that Busan moves to neighborhood area as convenience of traffic of industrial facilities that was on spearhead of economic growth move to outer wall of city and port facilities is deterioration, as becoming decline Tuesday industry form of city in the second industry the third · phenomenon that alter by the 4th happen and case of residential area old residential area of inland area change for the worse of habit be and impulse to steal is augmented in the 1970, 80 is appearing. Hereupon the result inland area which analyzes the change with the use area compared to the area where it is coming in contact to the coast the diffusion of the residential area or the business park appears area, the factory back of nine cities acts Gangseo-gu or Gijang-gun of the industry area this with the fact that it changes.

도로설계 평가를 위한 3차원 시뮬레이션 적용

김가야 ( Ga Ya Kim ),정범석 ( Beam Seok Jung ),김남석 ( Nam Seok Kim ) 한국지리정보학회 2008 한국지리정보학회지 Vol.11 No.2

2차원적인 도로설계는 설계기준과 운전자의 반응 사이에는 상이한 점이 많아 위험성을 내포하고 있다. 따라서 2차원 도로설계는 시공전에 예측을 하기가 어려운 실정이다. 그러나, 3차원 도로설계는 요구되는 구성요소의 완성 이후 발생하는 문제를 예측할 수 있다. 본 연구에서는, 실제도로에서 도로설계평가를 위하여 설계를 하였다. 그리고 도로설계는 Inroad를 라는 도로설계프로그램을 사용하였다. 또한, 수치지형도와 포고자료를 이용하여 DTM을 생성하였다. 3차원 도로설계는 도로의 DTM 과 지형자료를 합성하여 설계를 하였다. 3차원적으로 도로설계된 것을 이용하여 설계평가를 수행하였다. 도로선형의 안정성 평가를 위하여 운전자 시뮬레이션과 시거분석을 실시하였다. 그리고, 음영시뮬레이션을 통해 도로노면결빙구간의 불량구간을 추출하였다. 시뮬레이션 결과, 본 연구에서는 도로완공후의 모습을 확인할 수 있었다. 그리고 시거를 시각적으로 산정을 할 수 있었다. 또한 음영 시물레이션을 의해 도로노면결빙구간을 추출하였다. Two dimensional road design is connoting danger factor because different point between design standard and driver`s reaction. Consequently two dimensional road design is difficult to recognize problem that happen beforehand when before construction. Therefore three dimensional road design that can grasp problem after completion is required. In this study, three dimensional road was designed to evaluate road that is designed. Road designed by Inroad that is road design program. DTM is created using digital map and elevation data. Three dimensional road was de-signed by integrated DTM of road and topography. Road design evaluation was performed in three dimension. Driving simulation and sight distance assessment were carried out to estimate stability of alignment. Shadow simulation was executed on icy road section for bad section of icy road surface. As a result of evaluation, this study could confirm shape of road after completion. And sight distance could be calculated and visually confirmed. Also, icy road sections were extracted through shadow simulation.

부산 연안지형 VRS-GPS 계측을 통한 태풍해일 침수예측

김가야(Ga-Ya Kim),정광효(Kwang-Hyo Jung),김정호(Jeong-Ho Kim) 한국해양공학회 2012 韓國海洋工學會誌 Vol.26 No.1

A coastal flood area was predicted using the empirical superposition of the typhoon surge level and typhoon wave height along the Busan coastal area. The historical typhoon damages wore reviewed, and the coastal topography was measured using VRS-GPS. A FEMA formula was applied to estimate the coastal. flood area in a typhoon case when the measured and predicted dam of typhoon waves are not available. The results in the area of Haeundae beach and Gwangalli beach were verified using the flood area dam from the case of Typhoon Maemi (2003). If a Hurricane Katrina class typhoon were to pass through the Maemi trajectory, the areathat would be flooded along the Busan coastal. area was predicted and compared with the results of the Maemi case. Because of the lack of ocean environment data such as data for the sea level, waves, bathymetry, wind, pressure, etc., it is hard to improve the prediction accuracy for the coastal flood area in the typhoon case, which could be reflected in the policy to mitigate a typhoon’s impact. This paper discusses the kinds of ocean environment information that is needed to predict a typhoon’s impact with better accuracy.

마리나산업 활성화를 위한 마리나시설 발전방안

김가야(Kim, Ga-Ya),여호근(Yeo, Hogeun),임종언(Im, Jongeon) 한국관광레저학회 2018 관광레저연구 Vol.30 No.1

토목인의 자존심과 명예회복

김가야(Ga-Ya Kim) 대한토목학회 2019 대한토목학회지 Vol.67 No.4

수요자 특성을 고려한 해양관광 활성화 방안

김가야(Kim, Ga-Ya),김형철(Kim, Hyeung-Chul),김정호(Kim, Jeong-Hok) 한국관광레저학회 2014 관광레저연구 Vol.26 No.2

GPS를 이용한 지하시설물의 위치 분석

김가야(Kim. Ga-Ya) 동의대학교 정보통신연구소 2004 정보통신연구지 Vol.6-1 No.-

The complex facilities on the ground have begun to be laid under the ground as increasing emphasis on the beauty of Cities due to centralization. But, as the kind of the facilities have been concentrated on the narrow area, accidents occur due to the difficulty of maintenance and the inaccuracy of data. In this study, for the evaluation of exact depth using the electro-magnetic induction method and GPR(Ground Penetration Radat) m city area, the practicability of the underground probing, field test IS proved to be excellent by experimentally. It was acqwred the position information for the underground facilities using a RTK-GPS. As the result, we have analyzed the accurate position of the underground facility and show the way uuproving accuracy in detecting and surveying comparing with the tradttional surveying method Also, we hope to contnbute the effective maintenance and the prevention of disasters to the underground facility.

마리나산업활성화를 위한 발전방안에 관한 연구

김가야(Kim, Ga-Ya),임종언(Im, Jong-eon) 한국관광레저학회 2017 한국관광레저학회 학술발표대회 Vol.2017 No.6

Recently in Korea, interest in marina has greatly increased due to increased leisure time, improved financial conditions, and easier accessibility to coastal areas. Thus, development plans for the vitalization of the marina industry in Korea need to be considered. This study aims to understand the current conditions of the marina industry, analyze some development areas, find problem points, and propose development plans for the industry. A frequency analysis was carried out in order to calculate demographic characteristics, and it was carried out on 5 industrial factors for the development of the marina industry. Also, in order to show the effects of each industrial factor on the vitalization of the marina industry, a standard multiple regression analysis was carried out, which showed that each industrial factor had a positive (+) effect. Therefore, development plans for the marina industry were proposed that were suited for domestic conditions, and the study aimed to provide base line data for the effective and practical development of the marina industry.

보간기법에 따른 해저지형의 정확도 분석

김가야(GA-YA KIM),서동주(DONG-JU  SEO),문두열(DOO-YOUL MOON) 한국해양공학회 2006 韓國海洋工學會誌 Vol.20 No.3

Three-dimensional information of submarine topography was acquired by assembling DGPS and Echo Sounder, which is mainly used in the marine survey. However, the features of submarine topography, derived according to mechanical data, were confirmed using human eyes. Because the dredging capacity using a submarine surveying data influences harbor public affairs, analysis and the process method of surveying data is a very special element in construction costs. In this study, information on submarine topography is acquired by assembling DGPS and Echo Sounder. Moreover, the dredging capacity in harbor public affairs has been analyzed by the interpolation method: inverse distance to a power, kriging, minimum curvature, nearest neighbor, and radial basis function. Also, utilization of DGPS and Echo Sounder method in calculation of the dredging capacity have been confirmed by comparing and analyzing the dredging capacity and the actual one,as per each interpolation. According to this comparison result, in the case of applying Radial basis function interpolation and Kriging, 3.94 % and 4.61 % of error rates have been shown, respectively. In the case of the study for application of the proper interpolation,as per characteristics of submarine topography, is preceded in calculation of the dredging capacity relevant to harbor public affairs, it is expected that more speedy and correct calculation for the dredging capacity can be made.