Parametric study on the non-contact splices at drilled shaft to bridge column interface based on multiscale modeling approach

Hongbing Chen,Mahadi Masud,Jamshaid Sawab,Hsuan Wen Huang,Bin Xu,Y.L. Mo,Thomas T.C. Hsu

Engineering Structures（2019）

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摘要

•Eleven noncontact splices with geometric inconsistency are designed.•The experimental observations are validated by multiscale FEM analysis.•The effect of concrete compressive strength is comparatively discussed.•Effect of lap spacing, stirrup ratio and lap length is considered.•The variation of structural stiffness and cracking mechanism is compared.

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关键词

Bridge substructure,Non-contact splices,Interface between column and drilled shaft,Splice spacing,FEM simulation,Multiscale modeling,Lap length,Stirrup ratio,Concrete strength

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