Mechanism of PVA fibers in mitigating explosive spalling of engineered cementitious composite at elevated temperature
Sign Up to like & getrecommendations! Published in 2018 at "Cement and Concrete Composites"
DOI: 10.1016/j.cemconcomp.2018.07.015
Abstract: Abstract Polyvinyl alcohol (PVA) fibers have been found effective in preventing explosive spalling of engineered cementitious composite (ECC) under fire loading. However, the fundamental mechanism of minimizing the spalling risk by adding PVA fibers remains… read more here.
Keywords: temperature; spalling engineered; pva fibers; pva ... See more keywords
Combined curing as a novel approach to improve resistance of ultra-high performance concrete to explosive spalling under high temperature and its mechanical properties
Sign Up to like & getrecommendations! Published in 2018 at "Cement and Concrete Research"
DOI: 10.1016/j.cemconres.2018.04.011
Abstract: Abstract The influence of a combined curing composed of precuring in hot water and heating in dry air on mechanical properties and explosive spalling of ultra-high performance concrete (UHPC) subjected to high temperature was investigated… read more here.
Keywords: temperature; high temperature; mechanical properties; combined curing ... See more keywords
Knowledge-enhanced data-driven models for quantifying the effectiveness of PP fibers in spalling prevention of ultra-high performance concrete
Sign Up to like & getrecommendations! Published in 2021 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2021.123946
Abstract: Abstract Ultra-high performance concrete (UHPC) shows volumetric instability at high temperatures because of explosive spalling. Polypropylene (PP) fibers are effective in mitigating the explosive spalling of UHPC; however, the threshold PP fiber dosage to prevent… read more here.
Keywords: ultra high; explosive spalling; knowledge enhanced; performance concrete ... See more keywords