材料科学与工程学报2017，Vol.35Issue(4)：534-537,523,5.DOI:10.14136/j.cnki.issn 1673-2812.2017.04.004
高温作用后聚丙烯纤维混凝土的抗冻性
Frost Durability of Polypropylene Fiber Concrete after High Temperature Treatment
摘要
Abstract
Freeze-thaw cycle test of polypropylene fiber reinforced concrete suffered high temperature was carried out.Degradation behavior of polypropylene fiber reinforced concrete was analyzed,which was suffered the high temperature and freeze-thaw cycle coupling effect.Meanwhile,the microstructure damage of polypropylene fiber reinforced concrete was analyzed by Scanning Electron Microscopy (SEM) test.Studies shows that,high temperature damage has a significant impact on the frost resistance of concrete,suffered the higher temperature,the concrete frost resistance is getting worse.Concrete elastic modulus and compressive strength are both accelerating decay for coupling interactions of high temperature and freeze-thaw cycles.However,appropriate amount of polypropylene fibers will improve the frost resistance of concrete suffered high temperature.关键词
高温/冻融循环/聚丙烯纤维/混凝土/抗冻性Key words
high temperature/freeze thaw cycle/polypropylene fibers/concrete/frost resistance分类
建筑与水利引用本文复制引用
赵军,元成方,张戈..高温作用后聚丙烯纤维混凝土的抗冻性[J].材料科学与工程学报,2017,35(4):534-537,523,5.基金项目
国家自然科学基金资助项目(51408553) （51408553）
河南省重点科技攻关计划资助项目(152102210033) （152102210033）
