Research on Deterioration Mechanism of Concrete Materials in an Actual Structure

Table 4

Test results of alkali reactivity of aggregates.

Sample	Expansion (%)			Alkali-reactivity identification
	10 : 1	5 : 1	2 : 1
Sand	0.030	0.049	0.053	Nonalkali reactive
Crushed stone	0.029	0.034	0.046	Nonalkali reactive