ASR expansion behavior of recycled glass fine aggregates in concrete

被引：146
|
作者：
Saccani, Andrea [1 ]
Bignozzi, Maria Chiara [1 ]
机构：
[1] Univ Bologna, Dipartimento Chim Applicata & Sci Mat, Bologna, Italy
来源：
CEMENT AND CONCRETE RESEARCH | 2010年 / 40卷 / 04期
关键词：
Alkali-Silica-Reaction; Expansion; Recycled Industry Cullets; Glass composition; Aggregate replacement; ALKALI-SILICA REACTION; GROUND WASTE GLASS; GELS; IMMOBILIZATION; ADMIXTURES;
D O I：
10.1016/j.cemconres.2009.09.003
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The alkali-silica-reaction (ASR) expanding behavior of different types of glass, all derived from cullet with different chemical composition, has been investigated. The glass reactivity was determined in different alkaline solutions based on sodium and/or calcium hydroxide to simulate concrete environment. The expansion of mortar containing different amounts of the investigated glass as fine aggregate has been carried out in different conditions: data collected underline a different response of glass towards the alkaline environment. Soda-lime glass shows negligible expansion, lead-silicate glass always generates expanding trends while boro-silicate glass has different behaviors depending on its colour. An attempt to link the behavior to the solubility and chemical reactivity of the glass is proposed. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码：531 / 536
页数：6
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