Role of Aggregate Reactivity, Binder Composition, and Curing Temperature on the Delayed Ettringite Formation and Associated Durability Loss in Concrete

Abstract The durability of concrete is critical to its worldwide use as a structural material for buildings and infrastructure, with the lifetime service greatly affecting economic, environmental, social costs. Causes loss in some structures can be attributed alkali–silica reaction (ASR) delayed ettringite formation (DEF). Both are chemical reactions that have potential cause expansion strength affected elements. Significant overlap exists factors contributing ASR DEF structures, widely reported evidence deleterious frequently occurring conjunction mild or moderate ASR. For precast concrete, experiments mortars provided limits alkali sulfate content binder maximum curing temperatures used minimize risk. role other constituents specimens, notably aggregate, has been overlooked. We investigated reactive aggregates susceptibility DEF.