Open Access Research Paper Views (721) Determination strength parameters rock masses jajarm tunnel based on geotechnical study Dadkhah Rasool, Hoseeinmirzaee Zahra J. Biodiv. & Environ. Sci. 4(6), 495-502, June 2014. Keywords: Geotechnical survey, GSI, Jajarm tunnel, Q, RMR, Rock mass strength Details
