<abstract xmlns="http://www.w3.org/1999/xhtml"><p> The paper deals with evaluation of bearing capacity of strip foundation on random purely cohesive soil. The approach proposed combines random field theory in the form of random layers with classical limit analysis and Monte Carlo simulation. For given realization of random the bearing capacity of strip footing is evaluated by employing the kinematic approach of yield design theory. The results in the form of histograms for both bearing capacity of footing as well as optimal depth of failure mechanism are obtained for different thickness of random layers. For zero and infinite thickness of random layer the values of depth of failure mechanism as well as bearing capacity assessment are derived in a closed form. Finally based on a sequence of Monte Carlo simulations the bearing capacity of strip footing corresponding to a certain probability of failure is estimated. While the mean value of the foundation bearing capacity increases with the thickness of the random layers, the ultimate load corresponding to a certain probability of failure appears to be a decreasing function of random layers thickness.</p></abstract>

The paper deals with evaluation of bearing capacity of strip foundation on random purely cohesive soil. The approach proposed combines random field theory in the form of random layers with classical limit analysis and Monte Carlo simulation. For given realization of random the bearing capacity of strip footing is evaluated by employing the kinematic approach of yield design theory. The results in the form of histograms for both bearing capacity of footing as well as optimal depth of failure mechanism are obtained for different thickness of random layers. For zero and infinite thickness of random layer the values of depth of failure mechanism as well as bearing capacity assessment are derived in a closed form. Finally based on a sequence of Monte Carlo simulations the bearing capacity of strip footing corresponding to a certain probability of failure is estimated. While the mean value of the foundation bearing capacity increases with the thickness of the random layers, the ultimate load corresponding to a certain probability of failure appears to be a decreasing function of random layers thickness.

Evaluation of Bearing Capacity of Strip Footing Using Random Layers Concept

Wrocław University of Technology, Wrocław, Poland

Studia Geotechnica et Mechanica

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

{"article-title":"Evaluation of Bearing Capacity of Strip Footing Using Random Layers Concept"}

The paper deals with evaluation of bearing capacity of strip foundation on random purely cohesive soil. The approach proposed combines random field theory in...

Evaluation of Bearing Capacity of Strip Footing Using Random Layers Concept

Published Online: Nov 17, 2015

Page range: 31 - 39

DOI: https://doi.org/10.1515/sgem-2015-0030

Keywords
random field theory, reliability, bearing capacity, random layers concept, kinematic approach

© by Marek Kawa

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Evaluation of Bearing Capacity of Strip Footing Using Random Layers Concept

Published Online: Nov 17, 2015

Page range: 31 - 39

DOI: https://doi.org/10.1515/sgem-2015-0030

Keywordsrandom field theory, reliability, bearing capacity, random layers concept, kinematic approach

© by Marek Kawa

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
random field theory, reliability, bearing capacity, random layers concept, kinematic approach