Evolution of dynamic flow behavior in asphalt mixtures exposed to freeze-thaw cycles

Huining Xu,Hao Shi,Huanyu Zhang,Hengzhen Li,Zhen Leng,Yiqiu Tan

Construction and Building Materials（2020）

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摘要

•Perform dynamic tracing of moisture flow with Freeze-Thaw (F-T) cycles by X-ray CT.•Observe anisotropy of wetting front migration in asphalt mixes under F-T cycles.•Analyze impact of F-T cycles in temporal variation of seepage velocity.•Discuss evolution of initial inertia region in asphalt mixes under F-T cycles.•Clarify high sensitivity of F-T cycles in vertical velocity with small pore size.

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关键词

Asphalt mixture,Freeze-thaw cycle,Wetting front,Local velocity,Initial inertial region

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