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수치해석을 통한 설치 경사각도에 따른 삼축내진말뚝의 동적 거동특성
전준서,메론 알레바츄 메코넨,김윤아,김종관,유병수,권태혁,안성율,한진태 한국지반공학회 2023 한국지반공학회논문집 Vol.39 No.11
This study employs three-dimensional simulation through FLAC3D to investigate the impact of installation angles on the dynamic characteristics of Triaxial Micropiles. The numerical model is validated against centrifuge test results to ensure accuracy. The findings reveal significant influences of the installation angle on the dynamic behavior of Triaxial Micropiles. Specifically, under seismic conditions such as the Capetown and San Fernando earthquakes, the lowest recorded values for peak bending moment and settlement occurred at an installation angle of 15 degrees. In contrast, when subjected to an artificial earthquake with a frequency of 2 Hz (Sine 2 Hz), Micropiles installed at 0 degrees exhibited the lowest peak bending moment, maximum axial load, and settlement values.