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Samples in periodicals archive:
Chemistry of alkali-silica reaction and testing of aggregates, Cement and Concrete Composites 27(7-8): 788-795.
Using methods from ASTM C 1260 Multi-Laboratory Study of the Accelerated Mortar Bar Test for Alkali-Silica Reaction, staff at the Mannvit Engineering-housed facility prepared specimens from control (100% portland cement) and ash (5% portland cement substitution) mixes.
FHWA-RD-02-082 This study reports on the continued field evaluations of treatments applied to four pavements suffering from distress caused by alkali-silica reactions (ASR).
The gel created during the alkali-silica reaction swells and exerts expansive stresses that can crack concrete in highways, pavements, bridges, and dam walls.
Alkali-silica reaction (ASR) is a significant durability problem that results in premature deterioration of various types of concrete structures in the United States and throughout the world.
A key feature of the overall approach will be the development of a general model relating concrete sorptivity to spalling damage for three common degradation phenomena: sulfate attack, alkali-silica reaction, and freeze-thaw scaling.
These included an assessment of the residual alkali-silica reaction potential of recycled portland cement concrete used as aggregate, the development of mix design methods for cold in-place recycling of asphalt, the development of a framework for evaluating appropriate uses of recycled materials, and the prediction of long-term performance of recycled materials using accelerated aging.
Project 1 -- Mitigating Alkali-Silica Reaction in Recycled Concrete This project, conducted by Dr.