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March 27, 2024Construction and Building MaterialsOpen Access

Effect of thermal cycling on the mechanics and microstructure of ultra-high performance concrete

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Authors

HMHongqiang MaSZShaochen ZhangHFHao Fu

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Overview

Experimental analysis reveals cyclic strength variations during thermal cycles in ultra-high performance concrete, indicating microstructural shifts under complex thermal conditions.

Key Points

  • Static compressive strength exhibits an initial rise followed by decline and modest resurgence during thermal cycles in ultra-high performance concrete.
  • Peak compressive strength occurred at 120 thermal cycles, whereas dynamic compressive strength reached its maximum after 60 thermal cycles.
  • Assessment across 300 thermal cycles shows calcium-silicate-hydrate gel shifts and micro-cracks, supporting ultra-high performance concrete engineering.

Cite This Study

Ma et al. (2024) studied this question.

synapsesocial.com/papers/68e721f4b6db64358769b17ehttps://doi.org/10.1016/j.conbuildmat.2024.135878
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  5. 5Effects of Freeze–Thaw Cycles on Axial Compression Behaviors of UHPC-RC Composite Columns2024 · 3 citations