Abstract
Currently, the extension of life span of concrete structure is urgently needed. Therefore, it is important to predict the future deterioration of the concrete structure. The deterioration accompanied with alkali-silica reaction is one of the factors associated with durability. Generally, the aggregate expansion which is caused by the alkali-silica reaction brings about cracking, and the crack may decrease the durability with changing the mechanical pr operties of the concrete structure. Though there are a number of researches on alkali-silica reaction, the deterioration prediction under complex stress condition such as pre-stressed concrete is not well discussed. In this study, the degradation model for pre-stressed concrete structure is proposed and the validity of the model is examined through the comparison of exposure test of alkali-silica reaction using a pre-stressed concrete specimen.
