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dc.contributor.authorFlynn, Kevin N.
dc.contributor.authorMcCabe, Bryan A.
dc.contributor.authorEgan, D.
dc.identifier.citationFlynn, K.N., McCabe, B.A., Egan, D. (2014) Driven cast-in-situ piles in granular soil: applicability of CPT methods for pile capacity Proceedings of the 3rd International Symposium on Cone Penetration Testing (CPT '14)en_IE
dc.description.abstractMost CPT-based design methods for driven piles are heavily influenced by research on preformed driven piles. In this paper, a critical review is made of the ability of these methods to predict the total capacity of driven cast-in-situ (DCIS) piles. To this end, a DCIS database of 16 piles (with adjacent CPT profiles) is developed which incorporates new DCIS load-test data from UK sites. Initially, instrumented piles from the database are used to illustrate that DCIS and preformed piles have comparable shaft and base resistance characteristics. The database is then used to study of the performance of three simplified and four advanced CPT-based displacement pile design methods in estimating the total capacity of DCIS piles. Statistical analyses show that in general, the advanced CPT methods provide the best estimates of DCIS total capacity, although capacities tend to be under predicted by most methods. This tendency may be attributed to enhanced interface friction between the cast-in-situ concrete and the soil compared to that developed with preformed piles.en_IE
dc.description.sponsorshipThe authors gratefully acknowledge Keller Foundations UK for sponsoring the instrumented DCIS pile test program. The first author is funded by a NUIG College of Engineering & Informatics Fellowship and a Galway University Foundation Bursary.en_IE
dc.relation.ispartofProceedings of the 3rd International Symposium on Cone Penetration Testing (CPT '14)en
dc.subjectCivil engineeringen_IE
dc.subjectDriven cast-in-situ pilesen_IE
dc.subjectGranular soilen_IE
dc.subjectPile capacityen_IE
dc.subjectCPT methodsen_IE
dc.titleDriven cast-in-situ piles in granular soil: applicability of CPT methods for pile capacityen_IE
dc.typeConference Paperen_IE
dc.local.contactBryan Mccabe, Dept. Of Civil Engineering, Coll Engineering & Informatics, Room Eng-1040, Nui Galway. 2021 Email:

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