Discussion of "New Design Correlations for Piles in Sand"
01 Nov 1982-Journal of Geotechnical and Geoenvironmental Engineering (American Society of Civil Engineers (ASCE))-Vol. 108, Iss: 11, pp 1510-1511
About: This article is published in Journal of Geotechnical and Geoenvironmental Engineering.The article was published on 1982-11-01. It has received 1 citations till now.
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01 Jan 2008
TL;DR: In this paper, the effect of texturing of pile flanges has on the side shear capacity of an H-pile was evaluated by performing a series of laboratory load tests on full-scale sections of smooth (HP) and textured (HPX) piles to assess differences in load transfer via side-shear.
Abstract: Steel H-piles are small displacement deep foundation elements. Typically, Hpiles are driven to/into a hard stratum and the axial capacity of the pile is derived from the end bearing of the pile tip on the hard stratum. However, H-piles can be and are used as friction piles. Presumably, if the side shear capacity of a given H-pile can be increased, the use and applicability of H-piles will also increase. Conventional H-piles have smooth flanges. The objective of the research presented was to evaluate the effect that texturing of pile flanges has on the side shear capacity of an H-pile. The objective was addressed by performing a series of laboratory load tests on full-scale sections of smooth (HP) and textured (HPX) piles to assess differences in load transfer via side shear. Results from the laboratory testing program suggest that HPX-piles have approximately 10 percent greater side shear capacity than conventional HP-piles, on average. Unit side shear and the side shear parameter β for both smooth and textured piles generally increased with increasing effective stress and increasing over consolidation ratio. HPX-piles were found to exhibit slightly greater settlement at failure than HP-piles, although scatter in the settlement data was significant.
2 citations
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01 Jan 2008
TL;DR: In this paper, the effect of texturing of pile flanges has on the side shear capacity of an H-pile was evaluated by performing a series of laboratory load tests on full-scale sections of smooth (HP) and textured (HPX) piles to assess differences in load transfer via side-shear.
Abstract: Steel H-piles are small displacement deep foundation elements. Typically, Hpiles are driven to/into a hard stratum and the axial capacity of the pile is derived from the end bearing of the pile tip on the hard stratum. However, H-piles can be and are used as friction piles. Presumably, if the side shear capacity of a given H-pile can be increased, the use and applicability of H-piles will also increase. Conventional H-piles have smooth flanges. The objective of the research presented was to evaluate the effect that texturing of pile flanges has on the side shear capacity of an H-pile. The objective was addressed by performing a series of laboratory load tests on full-scale sections of smooth (HP) and textured (HPX) piles to assess differences in load transfer via side shear. Results from the laboratory testing program suggest that HPX-piles have approximately 10 percent greater side shear capacity than conventional HP-piles, on average. Unit side shear and the side shear parameter β for both smooth and textured piles generally increased with increasing effective stress and increasing over consolidation ratio. HPX-piles were found to exhibit slightly greater settlement at failure than HP-piles, although scatter in the settlement data was significant.
2 citations