An Experimental Study on Water Permeability of Architectural Mortar Using Waste Glass as Fine Aggregate

被引：9

作者：

Jing, Guoqing ^{[1
]}

Huang, Gang ^{[1
]}

Zhu, Wenjun ^{[2
]}

机构：

[1] Beijing Jiaotong Univ, Sch Civil Engn, Beijing 100044, Peoples R China

[2] Tongji Univ, Dept Transportat Engn, Shanghai Key Lab Rail Infrastruct Durabil & Syst, Shanghai 201804, Peoples R China

来源：

MATERIALS | 2020年 / 13卷 / 05期

关键词：

waste glass; water permeability; metakaolin; architectural mortar; microstructure; SUPPLEMENTARY CEMENTITIOUS MATERIAL; RECYCLED GLASS; PARTIAL REPLACEMENT; CONCRETE; DURABILITY; SAND; POWDER; PERFORMANCE; IMPROVEMENT; REACTIVITY;

D O I：

10.3390/ma13051110

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

This paper investigates the water permeability, consistency and density of architectural mortar with various contents of glass sand as fine aggregate. To reduce the effect of alkali-silica-reaction (ASR), metakaolin (MK) was used as supplementary cementitious material (SCM) instead of a component of white cement. The microstructure of glass sand mortar was visualized by means of scanning electron microscope (SEM) images. The experimental results showed that the permeability of the mortar increased with the glass sand, reaching its maximum at about 60-80% glass sand content. The optimum MK content varied with the content of glass sand, and higher content of MK was required for 60% glass sand. In addition, the consistency and density of mortar had a negative correlation with the increase of glass sand.

引用

页数：14

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