지반 응답 해석 Round Robin Test의 입력 지진파 및 물성에 관한 고찰 : Investigation into the Inpur Earthquake Motions and Properties for Round Robin Test on Ground Response Analysis

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선창국; 한진태; 최정인; 김기석; 김명모

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한국지반공학회 = Korean Geotechnical Society
한국지반공학회 가을학술발표회, pp. 266-292
Ground response analysissite effectsearthquake motionshear wave velocityshear modulusdamping ratio
Round Robin Test (RRT) on ground response analyses was conducted for three sites in Korea based on several site investigation data, which include borehole logs with the N values from standard penetration test (SPT) for all three sites and additionally cone tip resistance profiles for two sites. Three input earthquake motions together with the site investigation data were provided for the RRT. A total of 12 teams participating in the RRT presented the results of ground response analyses using equivalent-linear and/or nonlinear method. Each team determined input geotechnical properties by using empirical relationships and literatures based on own judgment, with the exception of the input motions. Herein, the characteristics of input motions were compared in terms of the frequency and period, and the selection of the depth to bedrock, on which the motions is impinged, was discussed considering geologic conditions in Korea. Furthermore, a variety of geotechnical properties such as shear wave velocity profiles and soil nonlinear curves were investigated with the input properties used in this RRT.
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Civil & Environmental Engineering (건설환경공학부)Journal Papers (저널논문_건설환경공학부)
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