掺温敏凝胶水泥砂浆的抗冻融性能
Bulletin of the Chinese Ceramic Society(2016)
Abstract
用自制可溶水温敏凝胶材料配制砂浆试件进行冻融循环试验,冻融循环次数为105次,每15次为一个抗冻等级,且每循环15次测量一次质量损失,并用非金属超声检测试验仪测量砂浆动弹性模量、抗压强度;观察试件的破坏形态,得到砂浆试件的质量损失、相对动弹性模量、不同冻融循环次数下的抗压性能;对冻融循环后的砂浆试件进行扫描电镜微观检测.结果表明,掺有温敏凝胶的砂浆试件其抗冻融性能明显高于未掺加凝胶的砂浆试件.说明温敏凝胶材料可有效改善砂浆的抗冻融性能.
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