Implosion-Induced Collapse Effect of Initial Penetration Damage on Concrete Structures with Finite Thickness

Table 3

Main parameters of the RHT constitutive model.

Parameter	Value
State equation parameter B0	1.22
State equation parameter B1	1.22
State equation parameter T1	100
State equation parameter T2	0
Failure surface parameter N	0.61
Relative shear strength FS^∗	0.18
Relative tensile strength FT^∗	0.1
Lode angle parameter Q0	0.865
Lode angle parameter B	0.0105
Failure surface parameter A	1.4