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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License
Article
Spatial Probabilistic Model of Block Failure Capacity of Piles in Clay
Author(s)
Indra Djati Sidi
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DOI:10.17265/1934-7359/2016.11.003
Affiliation(s)
Department of Civil Engineering, Institut Teknologi Bandung, Bandung 40132, Indonesia
ABSTRACT
A probability based model of block failure capacity of pile foundation
in clay soil under axial load is developed. The model was based on the first
order second moment method. Instead of using point variability, the soil inherent
variability is modelled as random field model. Based on this model, a
reliability based factor of safety for designing pile group foundation, taking
into account bock failure mechanism, is proposed. Furthermore, using simplified
lognormal model, the relationship
between the factor of safety used in design practice and target reliability may
be derived explicitly.
KEYWORDS
Block failure, soil variability, random field, model error, reliability index.
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