Please use this identifier to cite or link to this item: https://doi.org/10.1061/(ASCE)0733-9410(1991)117:4(637)
Title: PERFORMANCE OF PRECAST DRIVEN PILES IN MARINE CLAY
Authors: LEUNG, CF 
RADHAKRISHNAN, R
TAN, SA 
Keywords: Science & Technology
Technology
Physical Sciences
Engineering, Civil
Geosciences, Multidisciplinary
Engineering
Geology
Issue Date: 1-Apr-1991
Publisher: ASCE-AMER SOC CIVIL ENG
Citation: LEUNG, CF, RADHAKRISHNAN, R, TAN, SA (1991-04-01). PERFORMANCE OF PRECAST DRIVEN PILES IN MARINE CLAY. JOURNAL OF GEOTECHNICAL ENGINEERING-ASCE 117 (4) : 637-657. ScholarBank@NUS Repository. https://doi.org/10.1061/(ASCE)0733-9410(1991)117:4(637)
Abstract: The research reported is concerned with the behavior of precast reinforced concrete piles driven through soft marine clay and founded in residual soil and weathered rock of sedimentary origin; to study the load-transfer behavior of such piles, strain gages installed along the pile shafts were monitored frequently during the static loading tests and at regular intervals during and after the construction of the superstructure. Piezometers were installed in proximity to one of the piles. The dissipation of excess pore water pressures indicated that setup in the marine clay was highly significant. Hence, pile capacities calculated using wave-equation models based on stress-wave measurements during initial pile driving gave consistently lower values than those of static loading tests one week later. Long-term instrument readings indicated development of negative skin friction when the piles were in service. The downdrag increased with time, and this additional loading should be accounted for in the pile design as part of the service load on the pile. © ASCE.
Source Title: JOURNAL OF GEOTECHNICAL ENGINEERING-ASCE
URI: https://scholarbank.nus.edu.sg/handle/10635/211698
ISSN: 07339410
19448368
DOI: 10.1061/(ASCE)0733-9410(1991)117:4(637)
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