A Time-Dependent Chemo-Mechanical Analysis of Alkali-Silica Reaction for the Disparate Geometry of Concrete Meso-Structure

Md. Asif Rahman, Yang Lu

Research output: Contribution to journalArticlepeer-review

Abstract

Complex chemophysics of alkali-silica reaction (ASR) in Portland cement concrete deteriorates concrete service life and requires quantitative assessment. Within this context, the developed model provides a new perspective from mesoscale chemo-mechanical scheme for a better understanding of ASR kinetics. The simulated results shows how ASR expansion as well as ASR-induced damage progresses in concrete structure based on different composition of reactive aggregate and alkali hydroxide concentrations. This model can be used as an effective tool in the field of concrete materials to predict the service life, as well as on time maintenance decision of concrete structure

Original languageAmerican English
JournalConstruction and Building Materials
StatePublished - 30 Jun 2019

Keywords

  • ASR chemophysics
  • ASR model
  • Anm model
  • concrete damage model
  • concrete meso-structure
  • mechanical model

EGS Disciplines

  • Civil Engineering

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