Improvement of the Work Technology in the Construction of Impervious Barriers Using the Diaphragm Wall Method

Solsky, Stanislav V.; Sobkalov, F. P.

doi:10.1007/s10749-023-01520-0

Power Technol Eng

2022

DOI: 10.1007/s10749-023-01520-0

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Improvement of the Work Technology in the Construction of Impervious Barriers Using the Diaphragm Wall Method

Stanislav V. Solsky

F. P. Sobkalov

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2024

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Time-Varying Stability Analysis of the Trenching Construction Process of Diaphragm Wall

Liu,

et al. 2024

Buildings

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The stability of underground diaphragm walls is crucial for ensuring the safety and integrity of trench excavations in geotechnical engineering. This study addresses this critical issue by proposing a novel destabilization mechanism based on a sliding body model specifically designed for diaphragm wall trenching operations. The research employs an analytical framework rooted in soil mechanics and plasticity theory, utilizing limit equilibrium analysis to develop a method for calculating the minimum required slurry density and corresponding safety factor for trench stability. The study compares two distinct approaches to slurry density computation, analyzing their sensitivity to various influencing factors. Theoretical findings are validated through multiple real-world engineering case studies. Comparative analysis demonstrates the superiority of the proposed method, particularly in assessing trench stability within clay layers. Key variables influencing the safety factor are identified, including trench length, slurry density, soil friction angle, and the relative height difference between slurry and groundwater levels. Results indicate that actual slurry densities observed in practice consistently fall within the bounds predicted by the theoretical calculations. This research contributes a valuable theoretical framework to the field of diaphragm wall construction, offering improved accuracy in stability assessments and potentially enhancing safety in geotechnical engineering projects.

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Time-Varying Stability Analysis of the Trenching Construction Process of Diaphragm Wall

Liu,

et al. 2024

Buildings

View full text Add to dashboard Cite

show abstract

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Improvement of the Work Technology in the Construction of Impervious Barriers Using the Diaphragm Wall Method

Cited by 1 publication

References 2 publications

Time-Varying Stability Analysis of the Trenching Construction Process of Diaphragm Wall

Time-Varying Stability Analysis of the Trenching Construction Process of Diaphragm Wall

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