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南疆硫酸盐渍土地区高性能混凝土抗侵蚀干湿循环试验研究 被引量:7

Study on Resistance Sulfate Corrosion of High-performance Concrete under Dry-wet Cycle Test in Xinjiang Saline Soil Area
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摘要 在矿物掺合料的掺量为30%情况下,分析粉煤灰、矿渣粉、水胶比对硫酸盐侵蚀性能的影响,结果表明:矿物掺合料能明显改善混凝土抗硫酸盐侵蚀的性能;对混凝土抗硫酸盐侵蚀性能改善效果方面,粉煤灰略优于矿渣粉;水胶比对混凝土抗硫酸盐侵蚀性的影响明显,水胶比越小,试件的抗压强度折损系数越高、质量损失率越小,混凝土的抗硫酸盐侵蚀性能越好;反之,水胶比越大,混凝土的抗硫酸盐侵蚀能力越差。 The effect of fly ash,slag powder and water-cement ratio on the corrosion resistance of high-performance concrete was analyzed under the condition that the content of mineral admixture was 30%.The analysis results show that mineral admixtures can significantly improve the properties of resistance sulfate corrosion on concrete,and the anti-erosion effect of fly ash is slightly better than slag powder.The properties of resistance sulfate corrosion are significantly affected by water-binder ratio.The smaller water-binder ratio,better properties of resistance sulfate corrosio of high-performance concrete;the greater water-binder ratio,worse properties of resistance sulfate corrosio of high-performance concrete.
作者 解咏平 贾磊 薛炳勇 白文婷 XIE Yong-ping;JIA Lei;XUE Bing-yong;BAI Wen-ting(School of Exploration Technology and Engineering,Hebei GEO University,Shijiazhuang 050031,China;Hebei University of Water Resources and Electric Engineering,Cangzhou 061001,China)
出处 《科学技术与工程》 北大核心 2018年第9期318-322,共5页 Science Technology and Engineering
基金 河北省自然科学基金(E2016403060 E2015403018)资助
关键词 高性能混凝土 抗硫酸盐侵蚀 抗压强度折损系数 质量损失率 high-performance concrete resistance sulfate corrosion coefficient of compressive strength damage loss rate of quality
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