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Analysis of Design Wind Load Level for System Supports Considering Local Basic Wind Velocity and Construction Period

논문 기본 정보

자료유형
학술저널
저자정보
이선우 (현대건설) 원정훈 (충북대학교 안전공학과) 마호성 (호서대학교 토목공학과)
저널정보
한국안전학회 한국안전학회지 한국안전학회지 제29권 제2호 KCI Accredited Journals
발행연도
2014.1
수록면
53 - 61 (9page)

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지역별 기본풍속과 공사기간을 반영한 시스템 동바리 설계 풍하중 분석
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This study evaluated wind loads considering a local basic wind velocity and construction periods to define the level of applied wind loads for system supports. Structural responses of system supports were examined and compared to those of system supports with the level of wind loads following various standards and specifications for permanent and temporary structures. And, the maximum combined stress ratios were estimated to evaluate the structural safety of a considered system support. From results, it was found that the wind load level should be applied in accordance with construction periods when estimating the safety of system supports. Looking into the response by change of the basic wind velocity according to local regions, it is no need to consider wind loads in regions with the basic wind velocity of 30 m/s. However, it was analyzed that wind loads should be considered in the regions with the basic wind velocity of 40 m/s or above. In addition, wind loads should be considered in designing system supports located at the region with the basic wind velocity of 35 m/s starting from construction period of 1.5 years. The standard specification for temporary work was analyzed as an incorrect standard in evaluating wind loads, since it underestimated the response of system supports in accordance with the local basic wind velocity and construction periods.

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