硅酸盐学报

海洋浪溅区混凝土的多因素时变环境作用模型

作者：杨绿峰陈昌余波

单位：(广西大学土木建筑工程学院工程防灾与结构安全教育部重点实验室广西防灾减灾与工程安全重点实验室南宁 530004)

分类号：TQ

出版年,卷(期):页码：2019,47(11):0-0

DOI：

摘要：

为了量化描述海洋浪溅区混凝土的环境作用，研究建立了一种考虑多因素耦合影响的海洋浪溅区混凝土表面氯离子浓度(Cs,spl)时变模型。首先搜集遴选了372组长期自然暴露试验数据，建立了Cs,spl的试验数据库；然后通过对试验数据的分析，研究确定了材料特性和暴露时间对Cs,spl的耦合影响；进而利用两阶段回归分析法确定了胶凝材料因子，据此修正胶凝材料种类对水胶比和暴露时间的影响规律，建立了能够综合考虑水胶比、胶凝材料种类和暴露时间等多因素耦合影响的Cs,spl时变模型；最后通过与现场暴露试验数据和现有模型的对比分析验证了该模型的有效性和适用性。

基金项目：

国家自然科学基金项目(51678165；51668008)和广西自然科学基金项目(2018GXNSFAA281344)资助

作者简介：

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