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Behavior of Loose Geogrid Skirted Square Footing Resting on Reinforced Sand Subjected to Eccentric and Inclined Loading
https://orcid.org/http://orcid.org/0000-0001-9767-6290
The present experimental study inspects the performance of loose geogrid skirted square footing on geogrid reinforced medium dense sand subjected to vertical eccentric and centric inclined loading. The load eccentricity (e) and angle of inclination (i) were varied as 0.1B, 0.15B, 0.2B and 5°, 10°, 20°, respectively. Parametric variations like depth of skirt (1.0B, 1.5B, 2.0B), number of reinforcement layers (varies with variation of depth of skirt), spacing between geogrid reinforcements placed horizontally inside the skirt (0.25B, 0.5B, 0.75B, 1B) have been assessed with a constant top surface dimension of skirt D/B = 1.0. Behavior of square footing with skirt and reinforcements, for both the loading conditions, has been compared in terms of load intensity and settlement reduction factor (SRF). Results reveal that, inclusion of skirt and reinforcements ameliorate the bearing capacity and reduce the settlement of footing remarkably. With an increase in depth of skirt and number of reinforcements, bearing capacity of footing increases having an optimum value at d/B = 2.0 for a minimum spacing of 0.25B between the reinforcements under both the loading conditions. Load intensities at 5°and 10° angle of inclinations are higher in magnitude than load intensities obtained at 0.10B and 0.15B eccentricity, respectively, whereas load bearing capacity at 20° angle of inclination are lesser in value than 0.20B eccentricity for each outlined footing configurations. However, the settlement reduction factors (SRF) at different angle of inclinations are more or less similar as compared to the load eccentricities. Conclusively, geogrid skirts manifest to be a feasible alternative to traditional skirts for improving the performance of footings subjected to eccentric and inclined loading.
Behavior of Loose Geogrid Skirted Square Footing Resting on Reinforced Sand Subjected to Eccentric and Inclined Loading
https://orcid.org/http://orcid.org/0000-0001-9767-6290
The present experimental study inspects the performance of loose geogrid skirted square footing on geogrid reinforced medium dense sand subjected to vertical eccentric and centric inclined loading. The load eccentricity (e) and angle of inclination (i) were varied as 0.1B, 0.15B, 0.2B and 5°, 10°, 20°, respectively. Parametric variations like depth of skirt (1.0B, 1.5B, 2.0B), number of reinforcement layers (varies with variation of depth of skirt), spacing between geogrid reinforcements placed horizontally inside the skirt (0.25B, 0.5B, 0.75B, 1B) have been assessed with a constant top surface dimension of skirt D/B = 1.0. Behavior of square footing with skirt and reinforcements, for both the loading conditions, has been compared in terms of load intensity and settlement reduction factor (SRF). Results reveal that, inclusion of skirt and reinforcements ameliorate the bearing capacity and reduce the settlement of footing remarkably. With an increase in depth of skirt and number of reinforcements, bearing capacity of footing increases having an optimum value at d/B = 2.0 for a minimum spacing of 0.25B between the reinforcements under both the loading conditions. Load intensities at 5°and 10° angle of inclinations are higher in magnitude than load intensities obtained at 0.10B and 0.15B eccentricity, respectively, whereas load bearing capacity at 20° angle of inclination are lesser in value than 0.20B eccentricity for each outlined footing configurations. However, the settlement reduction factors (SRF) at different angle of inclinations are more or less similar as compared to the load eccentricities. Conclusively, geogrid skirts manifest to be a feasible alternative to traditional skirts for improving the performance of footings subjected to eccentric and inclined loading.
Behavior of Loose Geogrid Skirted Square Footing Resting on Reinforced Sand Subjected to Eccentric and Inclined Loading
https://orcid.org/http://orcid.org/0000-0001-9767-6290
The present experimental study inspects the performance of loose geogrid skirted square footing on geogrid reinforced medium dense sand subjected to vertical eccentric and centric inclined loading. The load eccentricity (e) and angle of inclination (i) were varied as 0.1B, 0.15B, 0.2B and 5°, 10°, 20°, respectively. Parametric variations like depth of skirt (1.0B, 1.5B, 2.0B), number of reinforcement layers (varies with variation of depth of skirt), spacing between geogrid reinforcements placed horizontally inside the skirt (0.25B, 0.5B, 0.75B, 1B) have been assessed with a constant top surface dimension of skirt D/B = 1.0. Behavior of square footing with skirt and reinforcements, for both the loading conditions, has been compared in terms of load intensity and settlement reduction factor (SRF). Results reveal that, inclusion of skirt and reinforcements ameliorate the bearing capacity and reduce the settlement of footing remarkably. With an increase in depth of skirt and number of reinforcements, bearing capacity of footing increases having an optimum value at d/B = 2.0 for a minimum spacing of 0.25B between the reinforcements under both the loading conditions. Load intensities at 5°and 10° angle of inclinations are higher in magnitude than load intensities obtained at 0.10B and 0.15B eccentricity, respectively, whereas load bearing capacity at 20° angle of inclination are lesser in value than 0.20B eccentricity for each outlined footing configurations. However, the settlement reduction factors (SRF) at different angle of inclinations are more or less similar as compared to the load eccentricities. Conclusively, geogrid skirts manifest to be a feasible alternative to traditional skirts for improving the performance of footings subjected to eccentric and inclined loading.
Behavior of Loose Geogrid Skirted Square Footing Resting on Reinforced Sand Subjected to Eccentric and Inclined Loading
Indian Geotech J
Kirtimayee, B. (author) / Samadhiya, Narendra Kumar (author)
Indian Geotechnical Journal ; 52 ; 895-906
2022-08-01
12 pages
Article (Journal)
Electronic Resource
English
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