Interference of Two Closely Spaced Strip Footings Embedded in Cohesionless Fibre-Reinforced Foundation Soil Bed

Ekbote, Anupkumar G.; Nainegali, Lohitkumar

doi:10.1061/9780784482094.041

Cited by 4 publications

(1 citation statement)

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“…Using model tests and characteristics method, Hazell (2004) studied the interference between two surface rough and smooth strip footings on dense and loose sand; the solutions of the characteristics method showed similar trends to the experimental model on dense sand. Ekbote & Nainegali (2019) studied the bearing capacity of two interfering strip footings embedded in cohesionless soil. The finite element software ABAQUS was used to evaluate the interference effect on the ultimate bearing capacity and the settlement of the foundations on homogeneous reinforced and unreinforced soil.…”

Section: Introductionmentioning

confidence: 99%

Numerical Investigations on Seismic Bearing Capacity of Interfering Strip Footings

Boufarh¹,

Saadi²,

Laouar³

2020

S&R

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The interaction between footings placed at close proximity affects the ultimate bearing capacity, settlement, and tilt of adjacent footings, especially under seismic loading. This paper reports the numerical finite element analysis to investigate the interference effect on the seismic bearing capacity of closely spaced rigid strip footings for a wide range of footing spacings, friction angles and horizontal acceleration factor. The results are presented in terms of seismic efficiency factors, and their variation was computed with respect to the change in the spacing ratio between the two footings. The results revealed that the increase in the earthquake acceleration leads to a reduction in efficiency gains owing to the failure zone of footings interfere altering the performance of the footings.

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Section: Introductionmentioning

confidence: 99%