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October 31, 2025Soils and RocksOpen Access

A novel stiffened deep soil mixing wall system for deep excavations in soft clay: 3D numerical analysis

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Authors

AAAmira AissaouiRBRafik BoufarhFBFarid Boursas

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Overview

Numerical analysis shows 66% reduction in lateral displacement and 64% settlement in soft clay excavations, indicating robust performance of SDSMC system.

Key Points

  • Novel stiffened deep soil mixing retaining wall system improves stability in soft clay, achieving 66% less lateral displacement.
  • Optimal performance involves orienting steel column profiles perpendicularly to lateral earth pressure, particularly sizes HEA 300.
  • 3D finite element analysis performed on SDSMC system evaluates key performance metrics under various configurations.
  • Results suggest strategic connector placement enhances wall robustness and supports construction in urban environments.

Cite This Study

Aissaoui et al. (2025) studied this question.

synapsesocial.com/papers/6903fee5b25c631a4265ffd9https://doi.org/10.28927/sr.2026.000325
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