• 제목/요약/키워드: average annual driving rain index

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Determination of Driving Rain Index by Using Hourly Weather Data for Developing a Good Design of Wooden Buildings

  • Ra, Jong Bum
    • Journal of the Korean Wood Science and Technology
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    • 제46권6호
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    • pp.627-636
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    • 2018
  • This research was performed to supplement the previous research about the driving rain index (DRI) for Korea determined by using daily weather data for 30 years. The average annual driving rain index (AADRI) was calculated from the hourly weather data, and the magnitude of DRI was investigated according to wind directions. The hourly climate data were obtained from the Korea Meteorological Administration (KMA) for the period 2009 to 2017. Of 82 locations investigated, seven were classified into regions where the level of exposure of walls to rain was high. The result showed quite a difference from the previous results, in which no high exposure regions were observed. Since the hourly-based and the daily-based annual driving rain index (ADRI) values showed only a slight difference, the result may be explained by the length of the periods used in both studies. The change of DRI according to wind directions showed that there was a certain range of wind directions in which driving rain easily approached building walls. It suggests that the consideration of wind directions with high DRI would be useful to develop a good design of wooden buildings from the point of wood preservation and maintenance.

국내 유도강우지수의 결정 (Determination of Driving Rain Index in Korea)

  • 나종범
    • Journal of the Korean Wood Science and Technology
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    • 제45권1호
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    • pp.36-42
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    • 2017
  • 본 연구는 국내 건축물의 강우에 대한 노출정도를 지역별로 평가하기 위하여 수행되었다. 바람에 의하여 벽체에 부딪치는 비를 유도강우로 표기하였으며 지역별로 유도강우의 세기를 비교하기 위하여 유도강우지수(Driving Rain Index)를 사용하였다. 국내 64개 지역에서 30년 동안 축적된 풍속과 강우량 자료를 통해서 연평균유도강우지수 (Annual Average Driving Rain Index)를 계산하였으며 이에 근거하여 측정된 지역들을 강우노출이 높은 지역, 중간 지역, 적은 지역으로 구분하였다. 측정된 지역 중 강우에 많이 노출되는 지역은 없었으며 22개 지역만이 노출정도가 중간으로 그리고 나머지 42개 지역은 강우노출정도가 낮은 것으로 평가되었다. 기후변화에 따라서 유도강우지수의 변화 폭이 큰 것으로 나타났지만 종합적으로 평가할 때 대관령, 부산, 여수 및 제주도 등의 일부 지역을 제외하면 국내 건축물의 강우노출정도는 높지 않은 것(moderate to low)으로 판단된다.