A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Field Instrumentation and Testing to Study Set-up Phenomenon of Piles Driven into Louisiana Clayey Soils. TECH SUMMARYJuly 2016
Piles driven into saturated cohesive soils (clays and silts) usually experience a time-dependent increase in pile resistance (mainly frictional), known as “pile set-up” or “freeze.” Field observations showed that pile set-up is signifi cant and continues to develop for a long time after installation, especially for fine-grained soils. The increase of pile resistance over time or set-up is believed to be attributed to three main mechanisms: (1) the increase of eff ective stress due to dissipation of excess pore water pressure generated during pile driving, (2) thixotropy, and (3) stress independent increase or “aging” after the completion of excess pore water pressure
Field Instrumentation and Testing to Study Set-up Phenomenon of Piles Driven into Louisiana Clayey Soils. TECH SUMMARYJuly 2016
Piles driven into saturated cohesive soils (clays and silts) usually experience a time-dependent increase in pile resistance (mainly frictional), known as “pile set-up” or “freeze.” Field observations showed that pile set-up is signifi cant and continues to develop for a long time after installation, especially for fine-grained soils. The increase of pile resistance over time or set-up is believed to be attributed to three main mechanisms: (1) the increase of eff ective stress due to dissipation of excess pore water pressure generated during pile driving, (2) thixotropy, and (3) stress independent increase or “aging” after the completion of excess pore water pressure
Field Instrumentation and Testing to Study Set-up Phenomenon of Piles Driven into Louisiana Clayey Soils. TECH SUMMARYJuly 2016
M. Y. Abu-Farsakh (author) / N. Haque (author) / Q. Chen (author)
2016
3 pages
Report
No indication
English
Soil Sciences , Soil & Rock Mechanics , Natural Resource Management , Hydrology & Limnology , Field instrumentation methods , Piles(Foundation) , Louisiana Department of Transportation and Development , Clayey soils , LRFD design methods , Thixotropy , Soil science , Soil layers , Piezometers , Water pressure , Empirical models , Methodologyy , Soil properties , Soil condition , Plasticity index , Dynamic load tests , Recommendatiions , Baton Rouge (Louisiana) , Tech Summary
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