Publications

by Naresh C. Samtani

Technical Reference Documents
  1. FHWA (Subject Matter Experts: DiMaggio, J.A., and Samtani, N.C.), Drilled Shafts: Construction Procedures and Design Methods, Publication No. FHWA-NHI-22-073 of the National Highway Institute (NHI) of the Federal Highway Administration (FHWA), July 2022.
  2. Samtani, N.C. and Nowatzki, E.A., Mechanically Stabilized Earth (MSE) Wall Fills - A Framework for Use of Local Available Sustainable Resources (LASR), Federal Highway Administration (FHWA), Report FHWA-HIN-21-002, Lakewood, CO, May 2021.
  3. Samtani, N.C., Best Practices for Implementation of Geosynthetics Reinforced Soil Walls. Organized by Geosynthetics Technology Advisory Services, LLP, (GTAS) under the aegis of International Geosynthetics Society (India Chapter). Delivered as a 1-day workshop, Jaipur, India, January 2020.
  4. Samtani, N.C., Mechanically Stabilized Earth (MSE) Structures with Local Available Sustainable Resources (LASR) – Recent Developments in Design Approaches and Selection of Fill Materials. Course No. NCSG-01-0120-R0, NCS GeoResources, LLC. Delivered as a 5-day class at Indian Institute of Technology Gandhinagar (IITGN), Gujarat, India, January 2020.
  5. Samtani, N.C. (Subject Matter Expert), Web-based Training: Calibration at the Service Limit State – Incorporation of Foundation Movements in Structure Design. Course No. FHWA-NHI-132100 of the National Highway Institute (NHI) of the Federal Highway Administration (FHWA), September 2019.
  6. Murphy, T., Hopper T., Wasserman, E., Murphy, M., Kulicki, J., Moon, F., Langlois, A-M., and Samtani, N., Guide Specification for Service Life Design of Highway Bridges. National Cooperative Highway Research Program (NCHRP) Project 12-108, Transportation Research Board. National Research Council, The National Academies, Washington, D.C., July 2019.
  7. Samtani, N.C., Probabilistic Evaluation of the Uncertainty in Differential Settlements of Bridge Foundations and Retaining Walls – First Edition. Research Report No. NCSG-01-1218-R0, NCS GeoResources, LLC, December 2018.
  8. Samtani, N.C. and Allen, T.M., Implementation Report – Expanded Database for Service Limit State Calibration of Immediate Settlement of Bridge Foundations on Soil. Federal Highway Administration (FHWA), Report FHWA-HIF-18-008, Washington, D. C., January 2018.
  9. Samtani, N.C. and Kulicki, J.M., Incorporation of Foundation Movements in AASHTO LRFD Bridge Design Process – Second Edition, Federal Highway Administration (FHWA), Report FHWA-HIF-18-007, Washington, D. C., January 2018.
  10. Moon, F., Romano, N., Masceri, D., Braley, J., Mertz, D.R., Samtani, N., Murphy, T., and Murphy, M., Bridge Superstructure Tolerance to Total and Differential Foundation Movements. National Cooperative Highway Research Program (NCHRP) Project 12-103, Transportation Research Board. National Research Council, The National Academies, Washington, D.C., December 2017.
  11. Samtani, N.C. and Kulicki, J.M., Incorporation of Foundation Deformations in AASHTO LRFD Bridge Design Process - First Edition, SHRP2 Solutions. American Association of State Highway and Transportation Officials. Washington, DC., February 2016.
  12. Kulicki, J.M., Wassef, W.D., Mertz, D.R., Nowak, A.N., Samtani, N.C. and Nassif, H. Bridges for Service Life Beyond 100 Years: Service Limit State Design. SHRP 2 Report S2-R19B-RW-1, SHRP2 Renewal Research, Transportation Research Board. National Research Council, The National Academies, Washington, D.C. January 2015.
  13. Samtani, N.C. Drilled Shafts – Axial/Lateral Analysis, Slurry Construction and Integrity Testing. Slides-based Manual prepared for Federal Lands Highway (FLH) Division of the Federal Highway Administration (FHWA), NCS Course #04-12, April 2012.
  14. Samtani, N.C.  Soil Nail Walls – Design and Construction. Slides-based Manual prepared for Federal Lands Highway (FLH) Division of the Federal Highway Administration (FHWA), NCS Course #02-11, February 2011.
  15. Samtani, N.C. and Nowatzki, E.A., Hollow Bar Soil Nails – Review of Corrosion Factors for Mitigation Practice, Publication No. FHWA-CFL/TD-10-002, Manual prepared for the Central Federal Lands Highway Division, Federal Highway Administration, August 2010.
  16. Samtani, N.C., Nowatzki, E.A.and Mertz, D.R., Selection of Spread Footings on Soils to Support Highway Bridge Structures. Federal Highway Administration (FHWA) Publication No. FHWA-RC/TD-10-001, February 2010.
  17. Berg, R.R., Christopher, B.R. and Samtani, N.C., Design of Mechanically Stabilized Earth Walls and Reinforced Soil Slopes. Federal Highway Administration (FHWA) Publication Nos. FHWA-NHI-10-024 and FHWA-NHI-10-025, Geotechnical Engineering Circular (GEC) No. 11, November, 2009.
  18. Samtani, N.C. and Nowatzki, E.A., Soils and Foundations Reference Manual. Federal Highway Administration (FHWA) Publication Nos. FHWA NHI-06-088 and FHWA-NHI-089, NHI Course No. 132012, December 2006.
  19. Samtani, N.C. and Nowatzki, E.A., Soils and Foundations – Participant Workbook. Federal Highway Administration (FHWA), Publication No. FHWA NHI-06-090, Federal Highway Administration, Washington, D.C.
  20. Samtani, N.C. and Nowatzki, E.A., Soils and Foundations – Instructor’s Guide. Federal Highway Administration (FHWA), Publication No. FHWA NHI-06-123, Federal Highway Administration, Washington, D.C.
  21. Samtani, N.C. and Nowatzki, E.A., Hollow-Core Soil Nails State-of-the-Practice, Federal Highway Administration (FHWA) publication number unassigned, April 2006.
  22. Samtani, N.C., Construction Inspector Training – Ground Anchors, Micro-piles and Instrumentation, Slides-based Manual developed for a 8-hr Training Course developed for the Arizona Department of Transportation, September 9, 2004.
  23. Samtani, N.C., Construction Inspector Training – Drilled Shafts and Soil Nail Walls, Slides-based Manual developed for a 8-hr Training Course developed for Town Of Oro Valley, October 24, 2003.
  24. Samtani, N.C., MSE Walls Internal Stability Design Methods, Slides-based Manual developed for a 4-hr Training Course developed for Arizona Department of Transportation, February 2003.
  25. Samtani, N.C., In situ Tests and Optimization of Drilled Shaft Design, Slides-based Manual developed for a 8-hr Training Course developed for Arizona Department of Transportation, September 2001.
  26. Munfakh, G.A., Samtani, N.C., Castelli, R.J. and Wang, J.-N, Earth Retaining Structures – Reference Manual. Publication No. FHWA HI-99-025, NHI Course No. 13236 – Module 6, Training Course in Geotechnical and Foundation Engineering, April 1999.
  27. Munfakh, G.A., Samtani, N.C., and Castelli, R.J., Earth Retaining Structures – Student Exercises. Publication No. FHWA HI-99-026, NHI Course No. 13236 – Module 6, Training Course in Geotechnical and Foundation Engineering, June 1999.
  28. Arman, A., Samtani, N.C., Castelli, R.J. and Munfakh, G.A., Subsurface Investigations – Reference Manual. Publication No. FHWA HI-97-021, NHI Course No. 13231 – Module 1, Training Course in Geotechnical and Foundation Engineering, March 1997.
Papers
  1. Samtani, N.C. (2024). Optimizing Deep Foundation Designs in Ephemeral Streams to Significantly Reduce Costs. Civil Engineering. Magazine of the American Society of Civil Engineers, Issue: January/February, pp. 18-23.
  2. Samtani, N.C. and Kulicki, J.M. (2022). Structural Considerations and Implications Related to Foundation Movements in AASHTO LRFD. Transportation Research Record (TRR): Journal of the Transportation Research Board (TRB). https://journals.sagepub.com/doi/10.1177/03611981221099016. Published online June 24, 2022. Note: This is an updated Journal version of the paper by Samtani and Kulicki (2021) titled "Structural Implications Related to Foundation Movements in AASHTO LRFD." Interested reader is advised to use the Journal version since it also contains information on subject matter developments since 2021.
  3. Samtani, N.C. and Kulicki, J.M. (2022). Chronology of Service Limit State Development for Geotechnical Elements Designed Using AASHTO Load and Resistance Factor Design. Transportation Research Record (TRR): Journal of the Transportation Research Board (TRB). https://journals.sagepub.com/doi/10.1177/03611981221099017. Published online June 17, 2022. Note: This is an updated Journal version of the paper by Samtani and Kulicki (2021) titled "Compendium of Service Limit State Development for Geotechnical Elements Designed by AASHTO LRFD." Interested reader is advised to use the Journal version since it also contains information on subject matter developments since 2021.
  4. Samtani, N.C. and Kulicki, J.M. (2021). Structural Implications Related to Foundation Movements in AASHTO LRFD. Transportation Research Number E-C273, TRB Centennial Circular titled “History and Future Perspectives on Foundation Design for Transportation Structures,” Transportation Research Board, pp 54-70, July 2021.
  5. Samtani, N.C. and Kulicki, J.M. (2021). Compendium of Service Limit State Development for Geotechnical Elements Designed by AASHTO LRFD. Transportation Research Number E-C273, TRB Centennial Circular titled “History and Future Perspectives on Foundation Design for Transportation Structures,” Transportation Research Board, pp. 71-87, July 2021.
  6. Samtani, N.C. and Kulicki, J.M. (2020). Reliability Evaluation of Concrete Cover for Buried Structures from Chloride-Induced Corrosion Perspective. Journal of Bridge Engineering, American Society of Civil Engineers (ASCE), Vol. 25, Issue 8, pp. 04020049-1 to 04020049-2,  doi: 10.1061/(ASCE)BE.1943-5592.0001572.
  7. Samtani, N.C. (2020). Pressuremeter Testing Along Interstate 10 in Tucson, Arizona, International Journal of Geoengineering Case Histories Vol.5, Issue 3, pp. 152 – 169. doi: 10.4417/IJGCH-05-03-02.
  8. Samtani, N.C. (2020). Infiltration Study for Deep Foundations in Ephemeral Streams, International Journal of Geoengineering Case Histories, Vol.5, Issue 2, pp. 118 – 137. doi: 10.4417/IJGCH-05-02-04.
  9. Samtani, N.C. and Kulicki, J.M. (2020). Uncertainty in Differential Settlements of Bridge Foundations and Retaining Walls, Georisk: Assessment and Management of Risk for Engineered Systems and Geohazards Vol. 14, No. 3, Taylor & Francis, UK, July 2020, pp. 231-243. https://doi.org/10.1080/17499518.2020.1711526.
  10. Samtani, N.C. and Kulicki, J.M.  (2019). Calibration of Foundation Movements for AASHTO LRFD Bridge Design Specifications. Georisk: Assessment & Management of Risk for Systems, Vol. 13, No. 3,Taylor & Francis, UK, July 2019. https://doi.org/10.1080/17499518.2018.1554818.
  11. Samtani, N.C. and Sabatini, P.J. (2010). “LRFD for Earth Retaining Structures in U.S. Transportation Practice.” Proceedings of ASCE’s 2010 Earth Retention Conference 3 , Geotechnical Special Publication No. 208, August 1-4, Bellevue, WA, pp. 826-843.
  12. Samtani, N.C., Jalinoos, F. and Poland, D.M. (2005). Integrity testing of drilled shafts – existing and new techniques, GEO Construction Quality Assurance/Quality Control Conference, sponsored by ADSC: The International Association of Foundation Drilling, Editors: Bruce, D.B. and Cadden, A.W., November 6-9, 2005, Dallas, TX.
  13. Samtani , N.C. and Alexander, D.E. (2005). Remediation of a Failing MSE Wall by Jet Grouting, GEOFRONTIERS 2005, Geotechnical Special Publication 136 – Innovation in Grouting and Soil Improvement, an ASCE Geotechnical Division Specialty Conference: Austin, Texas, January 2005.
  14. Samtani, N.C. and Liu, J.J. (2005). Use of In Situ Tests to Design Drilled Shafts in Dense and Cemented Soils, GEOFRONTIERS 2005, Geotechnical Special Publication 132 – Advances in Deep Foundations, an ASCE Geotechnical Division Specialty Conference: Austin, Texas, January 2005.
  15. Nowatzki, E.A., and Samtani, N.C. (2004). Design, Construction, and Performance of an 18-meter Soil Nail Wall in Tucson, Arizona, GEOSUPPORT 2004, an ASCE Geotechnical Division Specialty Conference: Geotechnical Special Publication No. 124, pp. 741-752, January 2004.
  16. Samtani, N.C. and Pegnam, M.L. (2001). Pullout Resistance of Cut/Splayed Grid Reinforcement in MSE Walls., The Tenth International Conference on Computer Methods and Advances in Geomechanics, Tucson, AZ, January 2001.
  17. Chua, K-M, Meyers R. and Samtani, N.C. (2000). Evaluation of a Load Test and Finite Element Analysis of Drilled Shafts in Stiff Soils., GEODENVER, an ASCE Geotechnical Division Specialty Conference: Geotechnical Special Publication No. 100, pp. 1381-1395, August 2000.
  18. Shah, A. N., Wang, J-N, and Samtani, N.C. (1998). Geological Hazards in the Consideration of Design and Construction Activities of New York City Area., Journal of Environmental and Engineering Geoscience, 1998, IV, 4, 524.
  19. Samtani, N.C., Desai, C.S., and Vulliet, L. (1996). An Interface Model to Describe Viscoplastic Behavior, International Journal for Numerical and Analytical Methods in Geomechanics, Vol. 20, No. 4, pp. 231-252, April 1996.
  20. Tanal V., Wang, J., Samtani, N.C., and Lancellotti, A. (1995). Lime Stabilization and Containment of Contaminated Dredged Harbor Sediments, GEOENVIRONMENT 2000, an ASCE Geotechnical Division Specialty Conference, New Orleans, pp. 1381-1395, February 1995.
  21. Desai, C.S., Samtani, N.C., and Vulliet, L. (1995). Constitutive Modeling and Analysis of Creeping Slopes, Journal of Geotechnical Engineering, ASCE, Vol. 121, No. 1, pp. 43-56, January 1995.
  22. Samtani, N.C., Tanal, V., Lancellotti A., and Wang J. (1994). Effect of Lime Admixtures on Contaminated Dredge Sediments, First International Congress on Environmental Geotechnics, Edmonton, Canada, pp. 57-63, July 1994.
  23. Samtani, N.C., Wang, J.N., Pepe F. Jr., and Abrahams, M.J. (1994). Horizontal and Vertical Movements of Bridge Piers Subjected to Ship Impact, SETTLEMENT ’94, an ASCE Geotechnical Division Specialty Conference, College Station, Texas, pp. 245-256, June 1994.
  24. Samtani, N.C., Desai, C.S., and Vulliet, L. (1994). A Viscoplastic Model for Creeping Natural Slopes, Eighth Conference of International Association for Computer Methods and Advances in Geomechanics (IACMAG ’94), Morgantown, West Virginia, pp. 2483-2488, May 1994.
  25. Vulliet, L., Samtani, N.C., and Desai, C.S. (1991). Material Parameters for an Elastoviscoplastic Law, Tenth European Conference on Soil Mechanics and Foundation Engineering, Florence, Italy, pp. 281-284, May 1991.
  26. Samtani, N.C., Desai, C.S., and Vulliet, L. (1991). Viscoplastic Model of a Clay Using Hierarchical Approach, Third International Conference on Constitutive Laws for Engineering Materials: Theory and Applications, Tucson, Arizona, pp. 325-328, January 1991.
  27. Samtani, N.C. (1991). Stress Analysis and Design Guidelines for Reinforced Earth Slabs in Cohesive Soils, Third International Conference on Constitutive Laws for Engineering Materials: Theory and Applications, Tucson, Arizona, pp. 939-943, January 1991.
  28. Samtani, N.C. and Sonpal, R.C. (1989). Laboratory Tests of Strip Footing on Reinforced Cohesive Soils, Journal of Geotechnical Engineering, ASCE, Vol. 115, No. 9, pp. 1326-1330, September 1989.
Discussion of Papers
  1. Samtani, N.C. (2009), “Discussion of ‘Reliability Index for Serviceability Limit State of Building Foundations’ by Yu Wang and Fred H. Kulhawy,” J. Geotechnical and Geoenvironmental Engineering, Volume 135, Issue 12, pp. 2012-2014, December 2009.
Book Reviews
  1. Samtani, N.C.. (2021), Model Uncertainties in Foundation Design. DFI Journal - The Journal of the Deep Foundations Institute, 15(2). doi: 10.37308/DFIJnl.20210525.239, September 2021.
White Papers
  1. Samtani, N.C. (2019), SHRP2 R19B Product. SHRP2 Solutions White Paper, Structures Workshop, Second Strategic Highway Research Program Structures Workshop, Washington, D.C., August 2019.