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Vertical Uplift Capacity of Rectangular and Square Plate Anchors in Granular Soil under Seismic Forces

Ganesh, R and Sahoo, JP (2021) Vertical Uplift Capacity of Rectangular and Square Plate Anchors in Granular Soil under Seismic Forces. In: Journal of Earthquake Engineering .

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Official URL: https://doi.org/10.1080/13632469.2021.1964641


Earthquakes have unfavorable effects of reducing uplift resistance of plate anchors. Present work investigates the seismic vertical uplift resistance of shallow buried square and rectangular plate anchors in granular soil by using the upper bound theorem of limit analysis in combination with pseudo-static approach. The influence of shear transfer at the interface between anchor plate and overlying soil has been taken into account. The uplift resistance was evaluated in terms of dimensionless factors due to component of soil weight and surcharge pressure on the ground surface for varying combinations of parameters involved in the present analysis. Results revealed that seismic uplift factors increase continuously with increasing soil friction angle and embedment ratio of anchors; whereas, the same reduce with increasing acceleration coefficients, shear factor and aspect ratio of anchors. A significant reduction was observed for higher shear factor and earthquake acceleration coefficients, especially for lower soil friction angle and embedment ratio, and for higher aspect ratio of anchors. © 2021 Taylor & Francis Group, LLC.

Item Type: Journal Article
Publication: Journal of Earthquake Engineering
Publisher: Taylor and Francis Ltd.
Additional Information: The copyright for this article belongs to Taylor and Francis Ltd.
Keywords: Anchors; Aspect ratio; Earthquakes; Friction; Soils, Acceleration coefficients; Earthquake acceleration; Ground surfaces; Rectangular plates; Soil friction angle; Surcharge pressure; Uplift resistance; Upper bound theorem of limit analysis, Bearing capacity
Department/Centre: Division of Mechanical Sciences > Civil Engineering
Date Deposited: 21 Nov 2021 16:29
Last Modified: 21 Nov 2021 16:29
URI: http://eprints.iisc.ac.in/id/eprint/69946

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