@article{paperid:1047897,
author = {Salari, Pouya and Lashkaripour, Gholam Reza and Ghafoori, Mohammad},
title = {Presentation of Empirical Equations for Estimating Internal Friction Angle of GW and GC Soils in Mashhad, Iran Using Standard Penetration and Direct Shear Tests and Comparison with Previous Equations},
journal = {Open Journal of Geology},
year = {2015},
volume = {5},
number = {5},
month = {May},
issn = {2161-7570},
pages = {231--238},
			numpages = {7},
keywords = {Internal Friction Angle; GW and GC Soil; Direct Shear Test; SPT Test},
}