Journal
CONSTRUCTION AND BUILDING MATERIALS
Volume 188, Issue -, Pages 505-519Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2018.08.112
Keywords
Finite element modelling; Ground improvement; Soil stabilisation; Statistical analysis
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Funding
- National Research Foundation Singapore under its Competitive Research Programme (CRP award) [NRF-CRP 6-2010-03]
- National Natural Science foundation of China [51678083]
- Jiangsu Oversea Research and Training Program
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This study aims at investigating the effect of spatial variability on the short-term undrained performance of cement-treated soil slab during excavation and providing a rational design approach assuming the slab is homogeneous. The cement treated soil was simulated using an effective stress model. Deterministic analyses were first conducted to investigate the failure mechanism and failure criterion for different dimensions of cement-treated soil slab (CSSL). Random finite element method is then applied to consider the effect of spatial variability on performance of the CSSL. A rational design approach for CSSL is proposed to facilitate design which is usually conducted assuming the CSSL is homogeneous. (C) 2018 Elsevier Ltd. All rights reserved.
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