Optimization of Accelerated Destructive Degradation Testing of Cementitious Materials for Their Performances Qualification under Aggressive Environments: The Case of Carbonation

Table 9

Sample size under different upper bounds for .

Upper stress	20,000	25,000	30,000	35,000	40,000	45,000	50,000
	(102, 53)	(99, 51)	(97, 50)	(95, 49)	(94, 48)	(93, 48)	(92, 47)
N	155	150	147	144	142	141	139