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Gnananandarao, Tammineni, Onyelowe, Kennedy, Khatri, Vishwas, Dutta, Rakesh Kumar. (1401). Performance of T-shaped skirted footings resting on sand. , 57(1), 65-71. doi: 10.22059/ijmge.2022.340418.594955
Tammineni Gnananandarao; Kennedy Chibuzor Onyelowe; Vishwas Nandkishor Khatri; Rakesh Kumar Dutta. "Performance of T-shaped skirted footings resting on sand". , 57, 1, 1401, 65-71. doi: 10.22059/ijmge.2022.340418.594955
Gnananandarao, Tammineni, Onyelowe, Kennedy, Khatri, Vishwas, Dutta, Rakesh Kumar. (1401). 'Performance of T-shaped skirted footings resting on sand', , 57(1), pp. 65-71. doi: 10.22059/ijmge.2022.340418.594955
Gnananandarao, Tammineni, Onyelowe, Kennedy, Khatri, Vishwas, Dutta, Rakesh Kumar. Performance of T-shaped skirted footings resting on sand. , 1401; 57(1): 65-71. doi: 10.22059/ijmge.2022.340418.594955

Performance of T-shaped skirted footings resting on sand

International Journal of Mining and Geo-Engineering
مقاله 9، دوره 57، شماره 1، خرداد 2023، صفحه 65-71    اصل مقاله (956.23 K)
نوع مقاله: Research Paper
شناسه دیجیتال (DOI): 10.22059/ijmge.2022.340418.594955
نویسندگان
Tammineni Gnananandarao1؛ Kennedy Chibuzor Onyelowe* 2؛ Vishwas Nandkishor Khatri3؛ Rakesh Kumar Dutta4
1Department of civil engineering, Aditya College Engineering & Technology, India
2Department of Civil Engineering, Michael Okpara University of Agric., Umudike, Nigeria
3Department of Civil Engineering, Indian Institute of Technology, Dhanbad, India
4Department of Civil Engineering, National Institute of technology, India
چکیده
A series of plate load tests were performed on a model T-shaped skirted footing by varying the normalized skirt depth and relative density of sand from 0.25 to 1.5 and 30 % to 60 %, respectively. The findings revealed that, regardless of the roughness condition, the observed peak in the pressure settlement ratio corresponding to relative densities of 30%, 40%, 50%, and 60% gradually vanished as the normalized skirt depth was increased from 0.25 to 1.5. The results further revealed that at a given pressure, a lesser settlement ratio was observed for a skirted footing than the footing without a skirt. The most significant benefit of providing a skirt to the footing was obtained when the base and skirt were partially rough and the relative density of sand was kept at 30%. In all the cases, the observed bearing capacity ratio for the present skirted footing was higher than the H-shaped skirted footing reported in the literature. Finally, an empirical equation was proposed to predict the bearing capacity ratio and settlement reduction factor for a given skirt depth and sand relative density.
کلیدواژه‌ها
Bearing capacity ratio؛ Settlement reduction factor؛ Relative density؛ Roughness؛ Multivariable regression
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