Use of Damage Rating Index to Quantify Alkali-Silica Reaction Damage in Concrete: Fine versus Coarse Aggregate

被引：31

作者：

Sanchez, L. F. M. ^{[1
]}

Fournier, B. ^{[2
]}

Jolin, M. ^{[3
]}

Bedoya, M. A. B. ^{[3
]}

Bastien, J. ^{[3
]}

Duchesne, J. ^{[2
]}

机构：

[1] Univ Ottawa, Dept Civil Engn, Ottawa, ON, Canada

[2] Univ Laval, Dept Geol & Geol Engn, Quebec City, PQ, Canada

[3] Univ Laval, Dept Civil & Water Engn, Quebec City, PQ G1K 7P4, Canada

来源：

ACI MATERIALS JOURNAL | 2016年 / 113卷 / 04期

基金：

加拿大自然科学与工程研究理事会;

关键词：

alkali-aggregate reaction; crack detection; Damage Rating Index; degradation; durability; expansion; DATE; ASR;

D O I：

10.14359/51688983

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

The Damage Rating Index (DRI), a microscopic and semi-quantitative petrographic tool, is a method that has increasingly been used in North America and Europe because it can answer questions regarding the nature and the degree of damage in concrete affected by deleterious mechanisms such as alkali-aggregate reaction (AAR). This paper presents the results of the condition assessment, using the DRI, of concrete mixtures of different strengths and incorporating different reactive aggregate types (fine versus coarse aggregate) with the aim of verifying both how alkali-silica reaction (ASR) develops against its expansion levels and how the DRI could be used to better quantify damage in concrete due to ASR.

引用

页码：395 / 407

页数：13

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