Multi-scale microstructure quantitative characterization and anti-erosion performance of PHC pipe pile

Xiaofeng Han,Zhenxing Du,Penggang Wang,Rihong Zhang, Junfeng Gao,Zijun Ling,Dongxuan Wei

CONSTRUCTION AND BUILDING MATERIALS（2023）

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摘要

•the pore content first increases and then decreases from outside to inside (5F → 1F)•the thickness of the voids is greater than that in normal reinforced concrete.•the porosity of different layers of PHC pipe pile varies.•the content of ITZ un-hydration products in aggregate is greater than that in rebar.•centrifugation results in the non-uniform distribution of the pores.

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关键词

PHC pipe pile,Centrifugation,Multi-scale characterization,Interfacial transition zone,Anti-erosion performance

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