Korean Journal of Construction Engineering and Management (한국건설관리학회논문집)

Korea Institute of Construction Engineering and Management (한국건설관리학회)
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A Study on the Change of Non-Working Days Based on the Rainfall in Incheon Area Using the Climate Change Scenarios

기후변화 시나리오를 활용한 인천지역 강우에 의한 작업불능일 변화 연구

  • Jang, Junyoung (Department of Architectural Engineering, Incheon National University) ;
  • Lee, Chansik (Department of Architectural Engineering, Incheon National University)
  • Received : 2017.11.24
  • Accepted : 2018.01.22
  • Published : 2018.01.31
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Abstract

In this study, Construction work is mainly done outdoors, so earth works, reinforced concrete works, etc. are Non-Working Days to rainfall. In particular, changes in rainfall due to global warming have made air calculation more difficult. Therefore, when establishing the process plan, the change of the rainfall in the area should be identified and Non-Working Days should be calculated. In this study, the time of rainfall change point was identified using the meteorological 'observation' data from 1960 to 2016 in Incheon and RCP 4.5, 'weather forecast' data from 2018 to 2074, Year rainfall and seasonal rainfall. The results showed that rainfall changed point in 1972, 1988, 2013, 2038, 2050 and 2069. In particular, it has been found that non-working days due to rainfall has big changed point as of 2013, 2038 and 2069.

건설공사는 주로 옥외에서 이루어지기 때문에 토공사, 철근콘크리트 공사 등은 강우에 의한 작업불능일 수가 다수 발생한다. 특히, 지구 온난화에 의한 강우량 변화는 공기산정을 더욱 어렵게 하고 있다. 따라서 공정계획 수립 시 해당지역의 강우량 변화를 파악하고 작업불능일 수를 산정해야 한다. 이 연구에서는 인천지역의 1960년부터 2016년까지의 기상'관측'자료와, 2018년부터 2074년까지의 기상'예측'자료인 RCP 4.5를 활용하여 강우 변화시점을 파악하였고, 그 시점 전 후로 연 강우, 계절별 강우로 인한 작업불능일 수의 변화를 분석하였다. 그 결과 1972년, 1988년, 2013년, 2038년, 2050년, 2069년에 강우량이 뚜렷하게 변화한 것으로 나타났으며, 특히 2013년, 2038년, 2069년 기준으로 강우로 인한 작업불능일 수의 변화 폭이 큰 것으로 파악 되었다.

Keywords

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