Effective Cohesion

Effective Cohesion 1

The cohesion ($//<![CDATA[ \begin{array}{l}c'\end{array} //]]>$) in Effective_Cohesion_1 is defined as:

$$//<![CDATA[ \begin{array}{l}\displaystyle c'=C_1 \cdot \sigma'_p\end{array} //]]>$$

Mayne and Stewart (1988), Mesri and Abdel-Ghaffar (1993), NCHRP Synthesis 368 p 44

Where:
     $//<![CDATA[ \begin{array}{l}C_1\end{array} //]]>$ is 0.02 in the published formula, and is stored in the Effective_Cohesion_1_C1 field.

     $//<![CDATA[ \begin{array}{l}\sigma'_p\end{array} //]]>$ is taken from Preconsolidation_Stress_1 field.