Freeze-Thaw Splitting Strength Analysis of PAC Based on the Gray-Markov Model

Table 2

Status of the residual relative value sequence.

Number of freeze-thaw cycles	Measured value (%)	predictive value (%)	Residual (%)	Residual relative value (%)	Status
0	100	100	0	0	2
2	78.45	77.52	0.93	1.19	3
4	73.47	73.49	−0.02	−0.03	2
6	68.94	69.66	−0.72	−1.04	1
8	65.31	66.04	−0.73	−1.12	1
10	62.08	62.71	−0.63	−1.01	1
12	59.18	59.35	−0.17	−0.29	2
14	57.76	56.26	1.50	2.59	3
16	53.13	53.67	−0.54	−1.02	1