1. Abu-Hejleh, N., O’Neill, M.W., Hanneman, D., Atwooll, W.J., 2003. Improvement of the geotechnical axial design methodology for Colorado’s drilled shafts socketed in weak rocks. Colorado Department of Transportation, Denver, CO, USA.
2. Asem, P., 2018. Axial behavior of drilled shafts in soft rock. Ph.D. thesis. Department of Civil and Environmental Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois.
3. Base resistance of drilled shafts in soft rock using in situ load tests: a limit state approach;Asem;Soils Found.,2019
4. Departure of soft rock mass from undrained response in drilled shaft and plate load tests;Asem;Soils Found.,2019
5. Size effect in rock testing;Baecher;Geophys. Res. Lett.,1981