As per API 618 minimum stiffness refers axial stiffness in equations: keff= 0.66 x n x ks
and minimum ks= CKS x A0.75 x I0.25 x fn,T1.5(n-1/n)
I would like to know the formula of lateral stiffness.
Is there anybody know the base formula behind these two equations and how to find lateral...
As per API 618 minimum stiffness refers axial stiffness in equations: keff= 0.66 x n x ks
and minimum ks= CKS x A0.75 x I0.25 x fn,T1.5(n-1/n)
I would like to know the formula of lateral stiffness.
Is there anybody know the base formula behind these two equations and how to find...