Interference effect of two closely-spaced shallow strip foundations on geogrid-reinforced sand

Khing, K.H.; Das, Braja M.; Yen, She-Hwa; Puri, Vijay K.; Cook, Eugene E.

doi:10.1007/bf00880704

Cited by 25 publications

(4 citation statements)

References 7 publications

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“…In general, experimental values of BCR were lower than 1.5 in author's study, while about 2-2.5 times larger values of experimental BCR were reported by previous studies (Huang and Tatsuoka, 1990;Takemura et al, 1992;Khing et al, 1992) based on similar reinforcing conditions for dry sands. In general, experimental values of BCR were lower than 1.5 in author's study, while about 2-2.5 times larger values of experimental BCR were reported by previous studies (Huang and Tatsuoka, 1990;Takemura et al, 1992;Khing et al, 1992) based on similar reinforcing conditions for dry sands.…”

contrasting

confidence: 55%

Discussion of Sharma, R., Chen, Q., Abu-Farsakh, M., and Yoon, S. (2009) “Analytical modeling of geogrid reinforced soil foundation” Geotextiles and Geomembranes, vol. 27, pp. 63–72

Huang¹

2009

Geotextiles and Geomembranes

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contrasting

confidence: 55%

Discussion of Sharma, R., Chen, Q., Abu-Farsakh, M., and Yoon, S. (2009) “Analytical modeling of geogrid reinforced soil foundation” Geotextiles and Geomembranes, vol. 27, pp. 63–72

Huang¹

2009

Geotextiles and Geomembranes

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“…Khing et al, 1992;Yeo et al, 1993;Khing et al, 1994;Fakher and Jones, 1996;Gabr et al, 1998;Alawaji, 2001;Arvind and Swami, 2003). Significant design parameters have been fully investigated.…”

Section: Introductionmentioning

confidence: 90%

Creep and rate of loading effects on geogrid- reinforced sand

Alawaji

2005

Geotech Geol Eng

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This paper presents the results of studies of creep and rate of loading effects on geogrid-reinforced dune sand. Model plate load tests were conducted on reinforced sand beds under displacement and load controls. Displacement controlled set of plate load tests were carried out in the range 1-0.001 mm/min. Load controlled set of plate load tests were carried out in which the staged pressure was held constant for 6000 min. Results indicate that rate of displacement (strain rate) is very significant for potential improvement of geogrid-reinforced sand. Both stiffness and bearing capacity of geogrid-reinforced sand increases logarithmically with rate of displacement. Geogrid reduces the creep of sand especially in the working pressure range. A simple stiffness degradation and creep relationships were obtained for geogridreinforced dune sand. The results of the tests are reported, and the significance of each control variable is assessed.

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“…Several numerical and experimental studies have been reported with regard to the effects of interference on reinforced soil beds. Moreover, several experimental studies on reinforced soil media have also been performed (Khing et al, 1992;Al-Ashou et al, 1994;Kumar and Saran, 2003a;Ghosh and Kumar, 2009;Lavasan and Ghazavi, 2012a;Naderi and Hataf, 2014;Gupta et al, 2018;Saha Roy and Deb 2018;Dehkordi et al, 2019;Paikaray et al, 2020;Swain and Ghosh, 2015). In this vein, an extensive state of the art review regarding the effect of interference on the behavior of shallow footings was carried out by Ghazavi and Dehkordi (2020).…”

Section: Introductionmentioning

confidence: 99%

Study on Closely Spaced Asymmetric Footings Embedded in a Reinforced Soil Medium

Ekbote,

Nainegali

2023

Ing. Inv.

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In practice, footings are rarely laid on the surface or at ground level; usually, they are embedded in the soil medium. Most studies focus on surface footings. This research examines the behavior of two interfering asymmetric footings while considering their widths to be dissimilar and the effect of embedment depth to enhance the ultimate bearing capacity and limit the settlement within the working range. This was evaluated through the finite element method of the ABAQUS software. The soil was assumed to have a Mohr-Coulomb failure, and the asymmetry corresponded to the footing widths. The results are presented in terms of interference factors, i.e., the ultimate bearing capacity (UBC) and the settlement, which are defined as the UBC/settlement ratio of the left/right footing in the presence of the other one placed on reinforced soil. This, in comparison with an identical isolated footing on unreinforced soil. Interference is more significant in small footings than in large ones. Due to behavioral variations, the bearing capacity and settlement are different. This effect increases with an increase in the width of large footings, and the interference factors decrease with an increase in the embedment depth of the footings. When the right footing width is twice that of the other and considering one layer of reinforcement and soil friction angles of 30º and 40º, the percent increments in the bearing capacity of interfering left footings, for a spacing of 0,5 times the left footing width, are 104 and 148%, respectively.

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Interference effect of two closely-spaced shallow strip foundations on geogrid-reinforced sand

Cited by 25 publications

References 7 publications

Discussion of Sharma, R., Chen, Q., Abu-Farsakh, M., and Yoon, S. (2009) “Analytical modeling of geogrid reinforced soil foundation” Geotextiles and Geomembranes, vol. 27, pp. 63–72

Discussion of Sharma, R., Chen, Q., Abu-Farsakh, M., and Yoon, S. (2009) “Analytical modeling of geogrid reinforced soil foundation” Geotextiles and Geomembranes, vol. 27, pp. 63–72

Creep and rate of loading effects on geogrid- reinforced sand

Study on Closely Spaced Asymmetric Footings Embedded in a Reinforced Soil Medium

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