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Upgrade of axially loaded pile-soil modeling with the implementation of LRFD design procedure.
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2012-02-01
[PDF-1.14 MB]
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Abstract:This report and the accompanying computer code (Software, WBUZPILE) describe the
characterization and analysis of piles under axial loads. A combination of different formulas
obtained from ALDOT long time experience along with fundamental equations of deep
foundations are employed in this program to assess the axial capacity of driven piles. The report
focuses on the entry of input data, interpretation of the output results and description of the
employed soils and equations. In addition to sand and clay models developed by ALDOT, the
report presents modeling formula for silt soils that include sandy silt and clayey silt and
weathered rock (soft rock). The current program analysis allows the utilization of the LRFD
approach that determines the geotechnical resistance factor based on the calibration by fitting as
presented in Chapter 1. In addition to the use of varying values of safety factors and DL/LL, the
program user can also use a default resistance factor of 0.71 which is based on a commonly used
safety factor of 2 and DL/LL ratio of 2 as recommended by ALDOT.
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