Application of Interfacial Propagation and Kinking Crack Concept to ECC/Concrete Overlay Repair System

Table 1

Property of concrete base and repair material.

Material	Elastic modulus; 𝐸 (Gpa)	Shear modulus; 𝜇 (Gpa)	Passion’s ratio	𝛼	β	Γ𝑐 [N/mm]
Concrete base	25.8	10.75	0.2	0	0	0.09
Concrete overlay	24.9	9.96	0.25	−0.006	0.019	0.09
PVA ECC	21.3	8.24	0.27	−0.012	0.013	1.587
PP ECC	18.0	6.82	0.32	−0.028	0.009	1.164