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References in periodicals archive ?
When internal concrete temperatures get high, there is an increased potential for Delayed Ettringite Formation (DEF), a materials-related issue that can lead to severe cracking.
Workshop on Internal Sulfate Attack and Delayed Ettringite Formation 4-6 September 2002, Villars, Switzerland, 2002.
Qin, "Relationship between delayed ettringite formation and delayed expansion in massive shrinkage-compensating concrete," Cement and Concrete Composites, vol.
Fenouillet, "A concrete performance test for delayed ettringite formation: part II validation," Cement and Concrete Research, vol.
Azzam, A., "Delayed Ettringite Formation, the Influence of Aggregate Types, Curing Conditions, Exposure Conditions, Alkali Content, Fly Ash and Mix Water Conditioner (MWC)," Ph.D Thesis, University of Maryland, College Park, MD (2002).
Williams, Kenneth L, Jr., "Influence of Fine Aggregate Lithology on Delayed Ettringite Formation in High Early Strength Concrete," MS Thesis, University of Maryland, College Park, Maryland (2003).
The producer's status as a pillar of New England concrete faded when it became party to 1980s lawsuits over the failure of prestressed railroad ties, placed along Northeast Corridor lines and exhibiting deterioration attributed to delayed ettringite formation. Although fabrication took place closer to the rail lines, tie testing was performed at the home office of San-Vel.
Glasser, The Stability of Ettringite International RILEM Workshop on Internal Sulfate Attack and Delayed Ettringite Formation, K.
This suggests that the development of cracks in the mixtures under study is related to the delayed ettringite formation in concrete or mortar type materials [19, 20].
But if the pores in which ettringite is deposited are small and poorly connected, the delayed ettringite formation produces more expansion [19].
This process is called delayed ettringite formation (DEF), and it can substantially weaken the late performance of concrete [13-15].
Prince, "Some factors affecting delayed ettringite formation in heat-cured mortars," Cement and Concrete Research, vol.