Numerical analysis of lateral movements and strut forces in deep cement mixing walls with top-down construction in soft clay
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Author list: Jamsawang P., Jamnam S., Jongpradist P., Tanseng P., Horpibulsuk S.
Publisher: Elsevier
Publication year: 2017
Journal: Computers and Geotechnics (0266-352X)
Volume number: 88
Start page: 174
End page: 181
Number of pages: 8
ISSN: 0266-352X
eISSN: 1873-7633
Languages: English-Great Britain (EN-GB)
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Abstract
This article presents the observed and simulated lateral movements and strut forces induced in deep cement mixing walls under deep excavation using top-down construction techniques in soft Bangkok clay. The walls are supported laterally by permanent concrete slabs and temporary struts. A three-dimensional numerical model is first calibrated with observed data from a case study. Then, a parametric study is performed to compare this construction method with the bottom-up method and investigate the influence of the DCM wall thickness on lateral movements and strut forces of the wall. ฉ 2017 Elsevier Ltd
Keywords
Deep mixing, Top-down construction in three dimensions, Wall