Chloride Binding Capacity and Its Effect on the Microstructure of Mortar Made with Marine Sand
Sun, Congtao1,2,3,4; Sun, Ming5; Tao, Tao6; Qu, Feng6; Wang, Gongxun6; Zhang, Peng5; Li, Yantao1; Duan, Jizhou1
2021-04-01
发表期刊SUSTAINABILITY
卷号13期号:8页码:12
摘要

Chloride binding capacity and its effect on the microstructure of mortar made with marine sand (MS), washed MS (WMS) and river sand (RS) were investigated in this study. The chloride contents, hydration products, micromorphology and pore structures of mortars were analyzed. The results showed that there was a diffusion trend for chloride ions from the surface of fine aggregate to cement hydrated products. During the whole curing period, the free chloride content in the mortars made by MS and WMS increased firstly, then decreased and stabilized finally with time. However, the total chloride content of three types of mortar hardly changed. The bound chloride content in the mortars made by MS and WMS slightly increased with time, and the bound chloride content included the MS, the WMS and the RS arranged from high to low. C(3)A center dot CaCl2 center dot 10H(2)O (Friedel's salt) was formed at the early age and existed throughout the curing period. Moreover, the volume of fine capillary pore with a size of 10-100 nm increased in the MS and WMS mortar.

关键词marine sand chloride binding microstructure mortar
DOI10.3390/su13084169
收录类别SCI
语种英语
资助项目Natural Science Key Foundation of Shandong Province[ZR2020KE046] ; Basic Science Research Project of Nantong City[JC2020125] ; National Natural Science Foundation of China[41827805] ; Strategic Priority Project of CAS[XDA13040402]
WOS研究方向Science & Technology - Other Topics ; Environmental Sciences & Ecology
WOS类目Green & Sustainable Science & Technology ; Environmental Sciences ; Environmental Studies
WOS记录号WOS:000645326000001
出版者MDPI
引用统计
被引频次:10[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
版本出版稿
条目标识符http://ir.qdio.ac.cn/handle/337002/170550
专题海洋环境腐蚀与生物污损重点实验室
通讯作者Sun, Congtao; Qu, Feng
作者单位1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, Qingdao 266071, Peoples R China
2.Chinese Acad Sci, Ctr Ocean Megasci, 7 Nanhai Rd, Qingdao 266071, Peoples R China
3.Pilot Natl Lab Marine Sci & Technol, Open Studio Marine Corros & Protect, Qingdao 266237, Peoples R China
4.Chinese Acad Sci, Inst Oceanol, Nantong Res & Dev Ctr Marine Sci & Technol, Nantong 226004, Peoples R China
5.Qingdao Univ Technol, Sch Civil Engn, Qingdao 266033, Peoples R China
6.Hunan Univ Sci & Technol, Sch Civil Engn, Xiangtan 411201, Peoples R China
第一作者单位中国科学院海洋研究所;  中国科学院海洋大科学研究中心
通讯作者单位中国科学院海洋研究所;  中国科学院海洋大科学研究中心
推荐引用方式
GB/T 7714
Sun, Congtao,Sun, Ming,Tao, Tao,et al. Chloride Binding Capacity and Its Effect on the Microstructure of Mortar Made with Marine Sand[J]. SUSTAINABILITY,2021,13(8):12.
APA Sun, Congtao.,Sun, Ming.,Tao, Tao.,Qu, Feng.,Wang, Gongxun.,...&Duan, Jizhou.(2021).Chloride Binding Capacity and Its Effect on the Microstructure of Mortar Made with Marine Sand.SUSTAINABILITY,13(8),12.
MLA Sun, Congtao,et al."Chloride Binding Capacity and Its Effect on the Microstructure of Mortar Made with Marine Sand".SUSTAINABILITY 13.8(2021):12.
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