Comprehensive Load Test on Prestressed Concrete Piles in Alluvial Clays and Marl in Savannah, Georgia
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VIEW THE REPLYPublication: Journal of Performance of Constructed Facilities
Volume 28, Issue 1
Abstract
This paper introduces a comprehensive full-scale pile load test program on 457-mm (18-in.) square prestressed concrete (PSC) piles in Savannah, Georgia. The program consisted of pile driving analyzer testing during initial pile driving and restrikes, Statnamic tests, static axial compression load tests, and reciprocal lateral load tests. On the basis of the interpretation of the test data, some important findings were obtained: (1) the alluvial clays in Savannah can only provide very limited resistance; (2) the time-dependent pile capacity gain after pile driving (i.e., setup effect) was approximately proportional to the pile embedment length into the Marl formation; (3) the estimated equivalent static pile capacities from the Statnamic tests were comparable to those from the static axial load tests; (4) the Marl formation is a competent bearing stratum for piles; (5) the potential degradation of pile concrete stiffness caused by pile driving should be accounted for in pile capacity analysis; and (6) the piles exhibited stiffer response under the monotonic lateral loading condition than the cyclic lateral loading condition. Finally, predictions on both axial and lateral pile capacities, using the soil parameters derived from the instrumentation data and back-analysis of the pile load tests, were compared with the corresponding pile load test results. The comparisons demonstrate that in combination of the static-bearing capacity formulas and the LPILE program, the developed soil models can make reliable predictions on both the vertical and lateral behaviors of the PSC piles driven through the soft alluvial clays to end bearing in the Marl formation.
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Acknowledgments
Many organizations and people contributed to the success of this project and special thanks are due to El Paso Energy Southern LNG, Federal Energy Regulatory Commission (FERC), CB&I, Applied Foundation Testing, Inc. (AFT), Ch2M Hill, TIC/Kiewit, and the former geotechnical engineers of WPC: Mr. Wu Yang and Mr. Tyler MacLeod. Financial support was provided by the Fundamental Research Funds for the Central Universities (No. 0230219134), the project sponsored by SRF for ROCS, SEM, Program for Changjiang Scholar and Innovative Research Team in University (PCSIRT, IRT1029), and Innovation Program of Shanghai Municipal Education Commission (No.13ZZ027). The three anonymous reviewers, the editor, and Dr. Ye Lu of Shanghai University are sincerely appreciated for comments and suggestions that substantially improved the presentation of this paper.
References
ASTM. (1994). “Standard test method for piles under static axial compressive load.” ASTM D-1143, West Conshohocken, PA.
ASTM. (2000). “Standard test method for high-strain dynamic testing of piles.” ASTM D-4945, West Conshohocken, PA.
Bermingham, P., and Janes, M. (1989). “An innovative approach to load testing of high capacity piles.” Proc., Int. Conf. on Piling and Deep Foundation, J. B. Burland and J. M. Mitchell, eds., Balkema, Rotterdam, Netherlands, 409–413.
Berminghammer Corporation Ltd. (1991). Statnamic load test results—Texas A&M University—Comparative pile foundation load test program, Berminghammer Corporation, Hamilton, ON, Canada.
Bullock, P. J., Schmertmann, J. H., McVay, M. C., and Townsend, F. C. (2005). “Side shear setup. I: Test piles driven in Florida.” J. Geotech. Geoenviron. Eng., 292–300.
Bustamante, M., and Gianeselli, L. (1982). “Pile bearing capacity predictions by means of static penetrometer CPT.” Proc., 2nd European Symp. on Penetration Testing, Vol. 2, Balkema, Amsterdam, Netherlands, 493–500.
Chow, F. C., Jardine, R. J., Brucy, F., and Nauroy, J. F. (1998). “Effects of time on capacity of pipe piles in dense marine sand.” J. Geotech. Geoenviron. Eng., 254–264.
Davisson, M. (1972). “High capacity piles.” Proc., Soil Mechanics Lecture Series on Innovations in Foundation Construction, ASCE, Reston, VA, 81–112.
Eslami, A., and Fellenius, B. H. (1997). “Pile capacity by direct CPT and CPTu methods applied to 102 case histories.” Can. Geotech. J., 34(6), 886–904.
Fellenius, B. H. (2001). “From strain measurements to load in an instrumented pile.” Geotech. News Mag., 19(1), 35–38.
GRL and Associates. (1997). GRL software: Case pile wave analysis program CAPWAP, GRL and Associates, Cleveland.
Holeyman, A. E., Maertens, J., Huybrechts, N., and Legrand, C. (2000). “Results of an international pile dynamic testing prediction event.” Proc., 6th Int. Conf. on the Application of Stress Wave Theory to Piles, Balkema, Rotterdam, Netherlands, 733–739.
LPILE Plus [Computer software]. Austin, TX, ENSOFT.
Matlock, H. (1970). “Correlations for design of laterally loaded piles in soft clay.” Proc., Offshore Technology Conf., Vol. I, 577–594.
Matsumoto, T., Michi, Y., and Hirano, T. (1995). “Performance of axially loaded steel pipe piles driven in soft rock.” J. Geotech. Engrg., 305–315.
McClelland Engineers. (1973). “Soil and foundation investigation for the future tankage area.” Rep. 72-407-1, LNG Tankage and Regasificaion Facilities, Elba Island, GA.
McVay, M. C., Kuo, C. L., and Guisinger, A. L. (2003). “Calibrating resistance factor in the load and resistance factor design of Statnamic load testing.” Rep. 4910–4504–823–12, Contract BC354, RPWO#42, DOT, Univ. of Florida, Gainesville, FL.
Middendorp, P. (2000). “Statnamic the engineering of art.” Proc., 6th Int. Conf. on the Application of Stress Wave Theory to Piles, Balkema, Rotterdam, Netherlands, 551–561.
Middendorp, P., Bermingham, P., and Kuiper, B. (1992). “Statnamic load testing of foundation piles.” Application of stress-wave theory to piles, F. B. J. Barends, ed., Balkema, Rotterdam, Netherlands.
Mullins, G. (2004). “Use and development of the segmental unloading point enhanced Statnamic analysis workbook (SUPERSAW).” Proc., 1st Statnamic Research Symp., Delft Univ., Delft, Netherlands.
Mullins, G., Lewis, C. L., and Justason, M. D. (2002). “Advancements in Statnamic data regression techniques.” Proc., Deep Foundation 2002. An International Perspective on Theory, Design, Construction, and Performance, Vol. 2, ASCE Geo-Institute, Reston, VA, 915–930.
Rausche, F., Goble, G. G., and Likins, G. E. (1985). “Dynamic determination of pile capacity.” J. Geotech. Engrg., 367–383.
Reese, L. C., Cox, W. R., and Koop, F. D. (1974). “Analysis of laterally loaded piles in sand.” Proc., Offshore Technology Conf., Offshore Technology Conference, Houston, 671–690.
Schmertman, J. H. (1967). “Guidelines for use in the soils investigation and design of foundations for bridge structures in the State of Florida.” Research Rep. 121-A, Florida DOT, Tallahassee, FL.
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© 2014 American Society of Civil Engineers.
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Received: May 29, 2011
Accepted: Oct 17, 2011
Published online: Oct 20, 2011
Published in print: Feb 1, 2014
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