Title |
Analysis of Vertical and Horizontal Behavior of Helical Piles in Sands Varying Helix Shapes and Locations |
Authors |
배종환(Bae, Jonghwan) ; 이준원(Lee, Junwon) ; 신세희(Shin, Sehee) ; 김동욱(Kim, Dongwook) |
DOI |
https://doi.org/10.12652/Ksce.2020.40.4.0393 |
Keywords |
플랜트 기초;헬리컬 파일;헬릭스;수직 및 수평 거동;형상 변수 Plant foundation;Helical pile;Helix;Vertical and horizontal behavior;Shape variables |
Abstract |
Axial and lateral behavior of helical piles is generally influenced by number, diameter, helix pitch, and locations of helices. In this study, axial and horizontal behavior of helical piles with three helices was investigated varying helices' locations, diameter, and pitch. Especially, due to the spiral shapes of helices, the effect of lateral load directions at pile heads on their lateral behavior was investigated. Axial load test of small-scale helical pile was conducted in laboratory, and its results were compared with numerical analysis results of the same model for cross check of validity of both results. Furthermore, diverse numerical analyses were performed for different shapes of helical piles. Consequently, it was found that, for the given analysis conditions, the helix diameter was the most influential factor on the horizontal and vertical behavior of helical piles. |