Abstract
In this study, the effect of various excavation depths (De) on resultant lateral soil pressure acting on cantilever retaining wall embedded in sand has been investigated. A finite difference program (FLAC-2D) is used for the present study. Numerical analysis in plane strain condition is performed by assuming the soil to behave as a linearly elastic perfectly plastic material obeying Mohr–Coulomb failure criterion. Sinusoidal dynamic acceleration with peak acceleration of 0.3 g, where g is the acceleration due to gravity and frequency 3 Hz are applied for 7 s at bottom grid of the numerical model. The net pressure acting on cantilever retaining wall is observed after the dynamic event. From this numerical study, it is observed that the behavior of left wall and right wall are different under post dynamic conditions. It is also found that under static condition the rate of increment of maximum earth pressure is less with the increment of excavation depth (De) although under dynamic condition the rate of increment of maximum earth pressure is decreased for left wall and increased for right wall. It is also found that the maximum net pressure lies between excavation level and the toe of the embedded cantilever wall.
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Konai, S. (2022). Effect of Excavation Depths on Soil Pressure Acting on Embedded Cantilever Retaining Walls Under Dynamic Loadings. In: Dey, A.K., Mandal, J.J., Manna, B. (eds) Proceedings of the 7th Indian Young Geotechnical Engineers Conference. IYGEC 2019. Lecture Notes in Civil Engineering, vol 195. Springer, Singapore. https://doi.org/10.1007/978-981-16-6456-4_32
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DOI: https://doi.org/10.1007/978-981-16-6456-4_32
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