Zhang, L., and Einstein, H.H. (1998). End bearing capacity of drilled shafts in rock. Geotechnical and Geoenvironmental Engineering, 124 (7), 574-584. doi:10.1061/1090-0241(1998)124:7(574)
Zhang, L., and Einstein, H.H. (1998). End bearing capacity of drilled shafts in rock. Geotechnical and Geoenvironmental Engineering, 124 (7), 574-584. doi:10.1061/1090-0241(1998)124:7(574)