Deep Foundation with Driven Precast Concrete Piles and Monitoring with Pile Driving Analyzer PDA
Journal: Journal of Building Technology DOI: 10.32629/jbt.v6i1.2140
Abstract
A practical case of deep foundation for an industrial plant in Puerto Natales is presented, using precast reinforced concrete piles that are driven into soft clays (Nspt < 5 blows/ft). Equipment and methods were used for the evaluation of the pile structural integrity and their geotechnical capacity by means of PDA monitoring (Pile Driving Analyzer) during driving. With the results of the PDA test, together with the CAPWAP computational tool, the design hypotheses were verified. During the execution of the project, it was possible to achieve the optimization of the embedment depth and the variation of the required number of piles.
Keywords
deep foundations; driven-precast-concrete pile; monitoring; pile driving analyzer
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[2] Arcos, J.L. y de Juan M.A. 2007. Pilotes prefabricados: Una solución óptima para cimentaciones profundas, Prefabricados de Hormigón. Asociación Nacional de la Industria del Prefabricado de Hormigón ANDECE, Madrid, España, 6-19.
[3] Candela, J. y Sainz, B. 1993. Ensayos dinámicos de carga en pilotes prefabricados hincados para la cimentación de estructuras en la Isla de la Cartuja (Expo' 92 – Sevilla). Ingeniería Civil, 90: 33-55.
[4] Donoso, P.A. y Avalos, C.A. 2006. Caracterización geotécnica y geomecánica del suelo fino de Punta Arenas denominado Mazacote. Trabajo de título de Constructor Civil, Universidad de Magallanes, Chile.
[5] EN12794. 2005. Precast concrete products. Foundation piles. European Committee for Standardization, Brussels, Belgium.
[6] EN12699. 2015. Execution of special geotechnical works. Displacement piles. European Committee for Standardization, Brussels, Belgium.
[7] FHWA. 2016. Design and construction of driven pile foundations. Department of Transportation, Federal Highway Administration, Washington DC, USA, FHWA-NHI-16-009 (vol. 1), 16-010 (vol.2), 16-064 (vol. 3).
[8] Goble, G.G., Rausche, F. 1970. Pile load test by impact driving. Highway Research Record, Highway Research Board, No. 333, Washington DC, USA, 123-129.
[9] Rausche, F., Moses, F. and Goble, G.G. 1972. Soil resistance predictions from pile dynamics. Journal of the Soil Mechanics and Foundations Division, 98(9): 917-937.
[10] Rhyner, F.C. 2018. Densificaction of granular soil by pile driving and implications for evaluation of liquefaction. International Foundation Conference and Equipment Expo IFCEE 2018, ASCE GSP 294, Orlando FL, USA, 284-300.
[11] Smith, E.A.L. 1960. Pile driving analysis by the wave equation. Journal of Soil Mechanics and Foundations Division, 86(4), 35-61.
[12] Taiping, Q. and Huishan, L. 1988. Influence of pile driving on characteristics of liquefiable soils. 2nd International Conference on Case Histories in Geotechnical Engineering. Missouri University S&T, St. Louis MO, USA, 765-768.
[13] Thendean, G., Rausche, F., Likins, G., Svinkin, M. 1996. Wave equation correlation studies. 5th International Conference on the Application of Stress-Wave Theory to Piles. F. Townsend, M. Hussein, and M. McVay (eds.), University of Florida, Gainesville FL, USA, 144-162.
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