Performance Updating of Concrete Structures Using Proactive Health Monitoring: A Systems Approach

Table 1

Distribution type and values of its parameters for basic random variables.

Parameter	Mean	C.O.V.	Distribution	Reference
𝐶𝑜	3.5 Kg/m^3	0.5	Lognormal	Vu and Stewart [30]
𝐷 (nominal)	5 × 10^−5 m^2/yr
Model error (D)	1.0	0.2	Normal	Vu and Stewart [30]
𝐶th	0.9 Kg/m^3	0.19	Uniform (0.6–1.2 Kg/m^3)	Vu and Stewart [30]
𝐸mod	1.0	0.2	Lognormal	Lentz et al. [31]
𝑋	40 mm	0.1	Normal	Chryssanthopoulos and Sterrit [32]
𝑋𝑖	10, 20, and 30 mm (fully correlated)	σ = 1 mm	Normal
𝑡ins	0.1 years		Deterministic