Study on the resistance to seawater corrosion of the cementitious systems containing ordinary Portland cement or/and calcium aluminate cement

被引：60
|
作者：
Li, Guoxin [1 ]
Zhang, Ai [1 ]
Song, Zhanping [1 ]
Shi, Chen [1 ]
Wang, Yan [1 ]
Zhang, Junjie [1 ]
机构：
[1] Xian Univ Architecture & Technol, Coll Mat & Mineral Resources, Xian, Shaanxi, Peoples R China
来源：
CONSTRUCTION AND BUILDING MATERIALS | 2017年 / 157卷
关键词：
Ordinary Portland cement; Calcium aluminate cement; Slag; Fly ash; Seawater corrosion; CHLORIDE BINDING; BLENDED CEMENTS; HYDRATION; CONCRETE; STRENGTH; BEHAVIOR; PASTES; WATER;
D O I：
10.1016/j.conbuildmat.2017.09.175
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The resistance to seawater corrosion was investigated for OPC, CAC, OPC-CAC-gypsum, OPC-SG-FA, and OPC-CAC-gypsum-SG. The specimens were cured in tap water for 28 days and then immersed in artificial seawater for 30, 90, and 180 days. Compressive strength, weight change, apparent porosity, free and total chloride content were measured. The results demonstrated that the compressive strength of all specimens immersed in seawater increased up to 90 days and then decreased up to 180 days. Additional, the compressive strength of CAC immersed in seawater is higher than that in tap water. The OPC-CAC-gypsum-SG system had the highest resistance to seawater corrosion. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：852 / 859
页数：8
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