A program for the Analysis of Pile Load Tests

by Rajesh Subramanian, Tulane Univ, New Orleans, United States,
Reda M. Bakeer, (M.ASCE), Tulane Univ, New Orleans, United States,

Abstract: The load capacity of piles are routinely determined from full scale pile load tests under actual field conditions. Several empirical methods were proposed for the analysis of field load/settlement data based on personal inspection and graphical construction. Each of these methods is suited for a particular condition of pile, soil, and load-testing combination. Personal interpretation of the data and human judgement required by these methods may result in inaccurate or inconsistent predictions. The computer program TUTSTPIL was developed to automate the analysis of pile load tests data. It offers a standard and time saving tool that increases accuracy and reduces calculation errors. TUTSTPIL determines the pile capacity using a group of well established methods and provides statistical assessment of the analysis. The C programming language was used to develop TUTSTPIL on a MS-DOS type personal computer. Field data can be read directly from a load/settlement file, entered interactively from the keyboard via menu-driven screens, or digitized from a paper copy of the load/settlement curve. The first two options are suitable for a design office environment, whereas the third option is ideal for performing parametric studies and when numerical data is not available.

Subject Headings: Load tests | Load factors | Pile tests | Load bearing capacity | Computer software | Computer languages | Graphic methods

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