Reliability Based Assessment of Shallow Foundations Using Mathcad |
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Authors: | Ahmad Shlash Alawneh Osama K Nusier Ahmed Abdul-Ezel Al-Mufty |
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Institution: | (1) Civil Engineering Department, Jordan University of Science and Technology, Irbid, P.O.Box. 3030, 22110, Jordan;(2) University of Baghdad, Baghdad, Iraq |
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Abstract: | A reliability based method was used to design and analyse shallow foundations using first-order Taylor series approximation.
The computer program Mathcad was used to facilitate all mathematical and computional efforts. This method is an effective
tool to assist the foundation designers and analyists to investigate how reliable their designs or analyses are in relation
to the ultimate bearing capacity of the foundations. The approach presented in this paper provides a reliable alternative
for design and analysis of shallow foundations, rather than the conventional design methods, which employs the assumptions
of a specified saftey factor. Several examples were presented for design and analysis of strip footings embedded in sandy
soil, and rectangular and square footings analysis embedded in clayey soils. The program input and output of each example
are also presented and discussed. |
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Keywords: | bearing capacity Mathcad reliability shallow foundation Taylor’ s series |
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