Influence on the film properties of torch inclination angle in the FHD process

Seo, Yong Gon; Shin, Sang-Hee; Kwon, Oh-Duk; Lee, Byung-Moon; Kim, Yong-Tak; Yoon, Dae–Ho; Yoon, Hyung-Do; Kim, Jemin; Im, Young-Min

doi:10.1117/12.481246

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“…해석 시 사용된 물성치를 보여준다. 해당 물성치는 프로그램 내 유효한 데이터베이스 및 기존 연구들을 참고하였다(Seo et al, 2016;COMSOL Inc., 2017). 열차하중은 KR C-08020 (2017)을 참고하여 교량 상단 전체에 KRL-2012 여객전용 표준열차하중 60 kN/m의 열차 하중이 등분포로 작용하도록 설정하였다.…”

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Evaluation of Railroad Bridge Foundation Response to Insulation Application under Cold Regions

Oh,

Kim,

Paeng

2023

J. Korean Soc. Hazard Mitig

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To establish an integrated railroad network in the Korean Peninsula, in preparation for the unification era presented in the 3rd National Rail Network Construction Plan (2016–2025) and the Railroad Industry Development Basic Plan, a preemptive response to construct railroad infrastructure considering the low temperature in North Korea during winter is essential. In this study, extensive numerical analyses were conducted to evaluate the behavior of railroad bridge foundations while accounting for the climate and geological conditions of North Korea. Furthermore, we proposed additional items that need to be addressed in the current railroad roadbed design standards. Eventually, we found that taking measures, such as application of insulation, to alleviate frost damage due to the increase in the adfreezing strength of railroad bridge foundations in cold regions where the freezing index is more than 1,000 ℃ day is necessary.

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“…Properties of Materials(Seo et al, 2016;COMSOL Inc., 2017) 여기서 지중온도는 연평균 지중온도를 나타낸다. 단열재 두께별 해석 결과, 평양은 단열재 두께 100 mm, 구성은 200 mm, 혜산과 삼지연은 300 mm 적용 시 단열효과가 가장 크게 나타남을 확인하였다.…”

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Evaluation of Railroad Bridge Foundation Response to Insulation Application under Cold Regions

Oh,

Kim,

Paeng

2023

J. Korean Soc. Hazard Mitig

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show abstract

Influence on the film properties of torch inclination angle in the FHD process

Cited by 1 publication

References 2 publications

Evaluation of Railroad Bridge Foundation Response to Insulation Application under Cold Regions

Evaluation of Railroad Bridge Foundation Response to Insulation Application under Cold Regions

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