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This paper concerns the characterization of deep excavation-induced ground surface movements, using the results of numerical investigation. A calibrated 2D finite element model using the Lade’s double hardening constitutive model for soil was used to form a database of the wall and ground surface movements associated with deep excavation. The results indicated that the cantilever and the lateral bulging...
Excessive wall deflection and ground settlement are common problems for deep excavations in soft clay and frequently damage adjacent buildings. To reduce wall deflection or ground settlement, the in situ soil is usually strengthened by jet grouting or mechanical deep mixing method. Finite element analysis can be conducted to determine improvement ratios, improved depths and improved zones of the soil...
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