Research on the mechanism of chlorine corrosion resistance of graphite tailings modified recycled coarse aggregate concrete: Corrosion product transformation and multi-scale mathematical characterization model

被引：3

作者：

Zhang, Yu ^{[1
]}

Li, Ben ^{[1
]}

Zhang, Chen ^{[2
]}

Xu, Hu ^{[1
]}

Li, Kaihang ^{[1
]}

Zhao, Canhao ^{[1
]}

机构：

[1] Foshan Univ, Sch Transportat Civil Engn & Architecture, Adv & Sustainable Infrastruct Mat Grp, Foshan 528000, Guangdong, Peoples R China

[2] Shenzhen Univ, Guangdong Prov Key Lab Durabil Marine Civil Engn, Shenzhen 518060, Peoples R China

来源：

CORROSION SCIENCE | 2024年 / 233卷

关键词：

Graphite tailings (GT); Recycled aggregate concrete (RAC); Chloride ion transport; Chloride ion corrosion; Theoretical model; GEOPOLYMER CONCRETE; DEMOLITION WASTE; CONSTRUCTION; DIFFUSION; BEHAVIOR; BINDING; BEAMS;

D O I：

10.1016/j.corsci.2024.112099

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This research investigated the impact of substituting sand with graphite tailings (GT) on the chloride ion erosion resistance of recycled aggregate concrete (RAC). The role of GT is to significantly inhibit the penetration of chloride ions into the interior and slow down the corrosion process. However, the durability of graphite tailings recycled aggregate concrete (GTRAC) still depends on the replacement rate of recycled aggregate. At the same time, a multi-scale dynamic model of physical adsorption-chemical binding-free transport and erosion of chloride ions in GTRAC were established based on unsteady viscous fluid force and molecular dynamics.

引用

页数：20