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Analyses on the Impact of Plastic Deformation on Change of the Road Surface Condition

소성변형 정도를 고려한 시간전개에 따른 노면상태 변화 분석

  • SON, Young Tae (Department of Transportation Engineering, Myongji University) ;
  • PARK, Sang-Hyun (Department of Transportation Engineering, Myongji University)
  • 손영태 (명지대학교 교통공학과) ;
  • 박상현 (명지대학교 교통공학과)
  • Received : 2018.03.29
  • Accepted : 2018.06.14
  • Published : 2018.06.30

Abstract

In this study analyzed the ponding changing of plastic deformation section follwed time development to apply weather, geometry and traffic data in additon to time development to improve road management service and safety of roads during or after rain. After We selected an 8.3km section of old national highway the Seongnam-Janghowon section and created a three-demensional surface of terrain through the numerical transformantion of design drawing data, with reflection the linear data of the same coordinate system in order to describe more realistic roads, we design additional structures with shading above roads. The altitude and azimuth of the sun were calculated and set based on the longitude and latitude data of the survey line for the analysis of the sun rate, and the daylight impact zone was visualized by setting the shaded time to an interval of 1 hour and the shade rate of the corresponding section. In addition, the evaporation volume calculated from weather data such as temperature, humidity, radiant energy, and road temperature analyzes together, it will use the way of a safer and more efficient road management as grasping the ponding changing more efficent in time development.

본 연구는 도로 소성변형이 존재하는 구간의 기상악화시 안전성을 제고하기 위하여, 도로 소성변형자료와 기상자료, 교통량 자료를 통해 소성변형구간의 물고임 변화를 분석하였으며 이와 더불어 시간전개별 일조율 자료를 적용하여 물고임 구간의 노면상태 변화를 분석하였다. 실제 구국도 3호선 성남-장호원 구간 중 8.3km 구간의 소성변형 데이터를 수집하고 설계도면 자료의 수치 변환을 통하여 3차원 지형표면을 생성한 후 동일좌표체계의 도로선형자료를 반영하여 3차원 도로 모델링을 생성하고 보다 사실적인 도로를 묘사하기 위해 도로 위 음영이 발생할수 있는 시설물을 추가 설계하였다. 또한 본 구간의 일조율 분석을 위해 태양의 고도 및 방위각을 계산하여 설정하였으며 1시간 간격의 음영데이터를 취득하여 시간전개별 음영정도를 고려할 수 있었으며 이를 도로 증발량 산정식에 대입하여 시간전개에 따른 물고임 변화를 보다 현실적으로 파악하였다.

Keywords

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