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콘크리트 슬래브 궤도 흙쌓기 구간의 강화노반 두께에 관한 연구
신승진(Shin Seung-Jin),신민호(Shin Min-Ho),박종관(Park Jong Guan),이일화(Lee Il-Wha) 한국철도학회 2007 한국철도학회 학술발표대회논문집 Vol.- No.-
An active application of concrete track is being expected for the future constructions of Korea railroad. For the successful construction and design in embankment section, the roadbed behavior should be reasonably estimated using the proper analysis method. In this research, behaviors of reinforced roadbed constructed with the determined stiffness and thickness at embankment section were estimated through various design parameters and numerical analysis. A three dimensional finite element method was employed to determine the proper reinforced roadbed thickness at embankment section. The displacement and vertical stress caused by train loading were estimated and compared with the field test results. The bearing characteristics of concrete track roadbed were presented. Moreover, the method to determine thickness of reinforced roadbed was proposed.