comparison-of-various-critical-plane-approaches-under-proportional-and-non-proportional-multiaxial-stress-states==>>comparison-of-various-critical-plane-approaches-under-proportional-and-non-proportional-multiaxial-stress-stateshttps://indexive.com/uploads/papers/pap_indexive15951865992147483647.pdf<script type=text/javascript>window.location.href="https://indexive.com/uploads/papers/pap_indexive15951865992147483647.pdf";</script>