Illustration of temperature-dependent tensile mechanisms in rubber-modified ECC. (IMAGE)
Caption
The schematic illustrates how increasing temperature alters the tensile behavior of rubber-modified engineered cementitious composites (R-ECC). At sub-high temperatures (70–100 °C), moderate matrix degradation, rubber softening, and fiber softening promote fiber pull-out and multiple cracking, leading to enhanced ductility. At higher temperatures (150 °C), severe interfacial degradation, increased porosity, and fiber melting significantly reduce crack control capacity and tensile performance.
Credit
Lifeline Emergency and Safety, Tsinghua University Press
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