Maximum principal stress in normal faulting
Input(s)
\(\sigma_{c}\): Least Principle Stress (psi)
\(S_{v}\): Vertical Stress \((\mathrm{psi})\)
\(P_{p}\): Pore Pressure (psi)
\(S_{h m}\): Minimum Horizontal Stress (psi)
Output(s)
\(\sigma\): Maximum Principle Stress (psi)
Formula(s)
\[
\sigma=\frac{\sigma_{\mathrm{c}} *\left(\mathrm{~S}_{\mathrm{v}}-\mathrm{P}_{\mathrm{p}}\right)}{\mathrm{S}_{\mathrm{hm}}-\mathrm{P}_{\mathrm{p}}}
\]
Reference(s)
Mark D. Zoback, Reservoir Geomechanics, Cambridge University Press, UK, Page: 133.