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Geomechanics and Engineering Volume 32, Number 2, January25 2023 , pages 193-207 DOI: https://doi.org/10.12989/gae.2023.32.2.193 |
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Elastic settlements of identical angular footings in close proximity |
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R. Sarvesh, V. Srinivasan and Anjan Patel
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| Abstract | ||
| In general, the numerous classical approaches available in the literature can anticipate the settlement of shallow foundations. As long as the footings are not in close proximity to other subsurface buildings, the findings achieved using these methods are legitimate and acceptable. However, due to increased urbanisation and land scarcity, footings are frequently built close together. As a result, these footings' settlement behaviour differs from those of isolated footings. A simpler approach for assessing the settlement behaviour of two square or rectangular footings placed in close proximity is presented in this work. A Parametric study has been carried out to examine the interference effect on the settlement of these footings placed in close vicinity on the surface of a homogeneous, isotropic and elastic soil medium. The interaction factors are examined by varying the different aspect ratios (L/B), clear spacing ratio (S/B) and intensity of loading on the right footing with respect to the left footing. Further, variation of the settlement ratio (s/B) with respect to embedment depth ratio Df/B is examined. For square and rectangular footings, the interference settlement profile is also investigated by varying the clear spacing ratio (S/B) and the degree of loading. The results were compared to 3D finite element analysis and experimental data that were available. | ||
| Key Words | ||
| interference effect; intensity of loading; interaction factor; settlement; square and rectangular footings | ||
| Address | ||
| R. Sarvesh, V. Srinivasan and Anjan Patel: Department of Civil Engineering, Visvesvaraya National Institute of Technology, Nagpur – 440 010, India | ||