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- W4308140909 endingPage "765" @default.
- W4308140909 startingPage "749" @default.
- W4308140909 abstract "Although particle corner breakage has been proved to be the primary mode of particle breakage for coral sand, current studies of pile penetration have continued to present the particle fracture breakage mode, causing the mechanism of pile behaviours in coral sand to remain unclear. This study investigates the particle corner-breakage effect on pile penetration in coral sand at both the macro- and microscales via indoor pile penetration model testing and three-dimensional discrete element method (DEM) simulations. According to the study findings, DEM simulations revealed that particle corner breakage has a more obvious soil contraction effect than fracture breakage. Thus, this study is the first to explain the particular turn of the pile skin friction in coral sand by the dual effects of breakable corners. Next, relationships between the particle breakage mode and the controversial breakage zone around pile tips have been accomplished. Moreover, the decrease in effective contacts and the change in soil skeleton have been proved to be essential factors behind the narrower penetration-affected width in breakable corner grains. The study suggests that neglecting the particle corner-breakage effect can lead to a hidden danger affecting engineering safety in angular granular soil." @default.
- W4308140909 created "2022-11-08" @default.
- W4308140909 creator A5027404321 @default.
- W4308140909 creator A5041310778 @default.
- W4308140909 creator A5081175631 @default.
- W4308140909 date "2023-05-01" @default.
- W4308140909 modified "2023-09-29" @default.
- W4308140909 title "Analysis of particle corner-breakage effect on pile penetration in coral sand: model tests and DEM simulations" @default.
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