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: Performance of UHPC with Shrinkage Mitigation Admixtures Under Simulated Field Conditions
Author(s): A. M. Soliman and M. L. Nehdi
Publication: Special Publication
Appears on pages(s): 1-16
Keywords: autogenous; COD; drying; drying/wetting cycles; early-age; strain.
Abstract:Concrete shrinkage cracking is a common problem in all types of concrete struc¬tures, especially at environments where cracks are prevalent and the repercussions are most severe. Hence, several mitigation strategies have been proposed, including the addition of shrinkage-reducing admixtures (SRAs) and/or using superabsorbent polymers (SAPs) particles. While substantial research has focused on predicting the shrinkage behavior and evaluating the efficiency of such shrinkage mitigation admixtures under laboratory condi¬tions, very limited research has explored that behavior under field-like conditions. These conditions include drying/wetting cycles and submerged condition, which simulate outdoor environmental exposure in marine and offshore structures and structures subjected to mois¬ture cycles (i.e. rain/dry). The results of the present study highlight the substantial influence of environmental conditions on the evaluated shrinkage behavior. It was discovered that exposure to simulated field conditions dismisses the effectiveness of using SRA through a washing out mechanism. It is concluded that adequately considering in-situ conditions in testing protocols should allow gaining a better understanding of shrinkage mitigation mechanisms and developing suitable admixture performance specifications.
Click here to become an online Journal subscriber