In today’s market, it is imperative to be knowledgeable and have an edge over the competition. ACI members have it…they are engaged, informed, and stay up to date by taking advantage of benefits that ACI membership provides them.
Read more about membership
Become an ACI Member
Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.
American Concrete Institute
38800 Country Club Dr.
Farmington Hills, MI
Feedback via Email
Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Gel Fluorescence Reveals Reaction Product Traces
Author(s): K. Natesaiyer, D. Stark, and K. C. Hover
Publication: Concrete International
Appears on pages(s): 25-28
Keywords: alkali-aggregate reactions; concretes; fluorescence; gels; petrography; silica gels; tests; General
Abstract:Petrographic and gel fluorescence studies were conducted on concrete samples from various geographical regions of the United States that were suspected of undergoing damage due to alkali-silica reaction. Petrographicstudies identified the reactive components of the aggregates, products of the reaction, and cracking associated with the reacted particles. Subsequent gel fluorescence testing identified reaction products at the locations where petrography had identified the products as well as minute amounts of products undetected by petrographic observation. Additionally, freshly carbonated cement paste was shown to adsorb uranyl acetate and thus fluoresce in the gel fluorescence test. The limitations of the fluorescence test in such cases are discussed.
Click here to become an online Journal subscriber