Study on Durability of Concrete under Alkali-Aggregate Reaction

Table 5

Experimental results.

Experimental piece number	Expansion rate of experimental piece (%)				Expansion reduction rate (%)
	3 d	7 d	14 d	28 d	14 d	28 d
J1	0.012	0.015	0.015	0.015	0	0
FA-1-0	0.039	0.078	0.221	0.434	0	0
FA-1-20	0.015	0.018	0.035	0.062	84	85
FA-1-30	0.008	0.012	0.024	0.039	89	91
FA-1-35	0.007	0.010	0.013	0.013	94	97
FA-1-40	0.009	0.013	0.015	0.018	93	95
J2	0.012	0.014	0.014	0.014	0	0
FA-2-0	0.043	0.113	0.246	0.461	0	0
FA-2-20	0.008	0.027	0.049	0.106	80	77
FA-2-30	0.005	0.016	0.021	0.048	91	89
FA-2-35	0.002	0.015	0.019	0.038	92	91
FA-2-40	0	0.014	0.019	0.037	92	92
J3	0.013	0.014	0.014	0.014	0	0
FA-3-0	0.044	0.110	0.216	0.408	0	0
FA-3-20	0.008	0.009	0.040	0.109	81	73
FA-3-30	0.007	0.007	0.019	0.031	91	92
FA-3-35	0.016	0.016	0.018	0.030	92	93
FA-3-40	0.017	0.018	0.018	0.029	92	93
J4	0.012	0.012	0.013	0.013	0	0
FA-4-0	0.052	0.114	0.236	0.418	0	0
FA-4-20	0.008	0.033	0.061	0.102	75	76
FA-4-30	0.005	0.009	0.047	0.081	80	80
FA-4-35	0.004	0.005	0.026	0.051	89	88
FA-4-40	0.004	0.004	0.031	0.054	86	87
J5	0.014	0.014	0.014	0.015	0	0
FA-5-0	0.059	0.137	0.251	0.470	0	0
FA-5-20	0.018	0.035	0.071	0.116	69	75
FA-5-30	0.005	0.017	0.053	0.085	76	81
FA-5-35	0.004	0.012	0.036	0.069	84	85
FA-5-40	0.005	0.015	0.048	0.072	79	85