Journal
JOURNAL OF GEOTECHNICAL AND GEOENVIRONMENTAL ENGINEERING
Volume 142, Issue 8, Pages -Publisher
ASCE-AMER SOC CIVIL ENGINEERS
DOI: 10.1061/(ASCE)GT.1943-5606.0001498
Keywords
Consolidation; Bearing capacity; Combined loading; Failure envelope
Funding
- Australian Research Council's Centre of Excellence for Geotechnical Science and Engineering
- Fugro Chair in Geotechnics
- Lloyd's Register Foundation Chair
- Centre of Excellence in Offshore Foundations
- Shell EMI Chair in Offshore Engineering
- ARC [CE110001009, DP140100684]
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A generalized framework is applied to predict consolidated undrained VHM failure envelopes for surface circular and strip foundations. The failure envelopes for consolidated undrained conditions are shown to be scaled from those for unconsolidated undrained conditions by the uniaxial consolidated undrained capacities, which are predicted through a theoretical framework based on fundamental critical state soil mechanics. The framework is applied to results from small-strain finite-element analyses for a strip and circular foundation of selected foundation dimension and soil conditions, and the versatility of the framework is validated through a parametric study. The generalized theoretical framework enables consolidated undrained VHM failure envelopes to be determined for a practical range of foundation sizes and linearly increasing soil shear-strength profiles through the expressions presented in this paper.
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