Alkali-aggregate reactions in Ontario

被引：24

作者：

Rogers, C ^{[1
]}

Grattan-Bellew, PE

Hooton, RD

Ryell, J

Thomas, MDA

机构：

[1] Minist Transportat, Engn Mat Off, Soils & Aggregates Sect, Downsview, ON M3M 1J8, Canada

[2] Natl Res Council Canada, Inst Res Construct, Ottawa, ON K1A 0R6, Canada

[3] Univ Toronto, Dept Civil Engn, Toronto, ON M5S 1A4, Canada

[4] Trow Consulting Engineers, Brampton, ON L6T 4V1, Canada

来源：

CANADIAN JOURNAL OF CIVIL ENGINEERING | 2000年 / 27卷 / 02期

关键词：

alkali-aggregate reaction; concrete; cracking; Ontario; structures;

D O I：

10.1139/cjce-27-2-246

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

In Ontario, two types of alkali-aggregate reaction exist. Each type is evaluated using different tests. Over the past few years, new tests have been introduced to replace some existing test methods. The new tests are faster and more reliable. Preventive measures such as the use of low-alkali cement and supplementary cementing materials, while they are effective, have not been extensively used with reactive aggregate in Ontario. Beneficiation or selective extraction is used with some potentially reactive aggregates.

引用

页码：246 / 260

页数：15