Behavior of Strip Footing/s above Void in Sandy Soil

This paper presents a numerical study that utilizes finite element analysis under the plain strain condition performed on sand with isolated strip footing and two closely spaced strip footings above a continuous void. The Bearing Capacity Ratio (BCR) and the efficiency factor ζγ were introduced to...

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Main Authors: Assma Benbouza, Tarek Mansouri, Khelifa Abbeche
Format: Article
Language:English
Published: D. G. Pylarinos 2023-02-01
Series:Engineering, Technology & Applied Science Research
Subjects:
Online Access:https://etasr.com/index.php/ETASR/article/view/5494
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author Assma Benbouza
Tarek Mansouri
Khelifa Abbeche
author_facet Assma Benbouza
Tarek Mansouri
Khelifa Abbeche
author_sort Assma Benbouza
collection DOAJ
description This paper presents a numerical study that utilizes finite element analysis under the plain strain condition performed on sand with isolated strip footing and two closely spaced strip footings above a continuous void. The Bearing Capacity Ratio (BCR) and the efficiency factor ζγ were introduced to determine the effect of the void on the ultimate bearing capacity of footing/s. The influence of various parameters including spacing (S/B) (i.e. edge to edge) between the two interfering footings along with the location and the shape of the void were studied. In general, the results indicate that the presence of a void reduces the bearing capacity and affects the performance of footing/s and there is a critical value of S/B beyond which the effect of the void on the bearing capacity of the interfering footings becomes negligible.
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spelling doaj.art-3448302cd57047a095b3faf6971be7b62023-02-06T05:00:29ZengD. G. PylarinosEngineering, Technology & Applied Science Research2241-44871792-80362023-02-0113110.48084/etasr.5494Behavior of Strip Footing/s above Void in Sandy SoilAssma Benbouza0Tarek Mansouri1Khelifa Abbeche2LGC-ROI Civil Engineering Laboratory, Department of Civil Engineering, Faculty of Technology, University of Batna 2, AlgeriaLGC-ROI Civil Engineering Laboratory, Department of Civil Engineering, Faculty of Technology, University of Batna 2, AlgeriaLGC-ROI Civil Engineering Laboratory, Department of Civil Engineering, Faculty of Technology, University of Batna 2, Algeria This paper presents a numerical study that utilizes finite element analysis under the plain strain condition performed on sand with isolated strip footing and two closely spaced strip footings above a continuous void. The Bearing Capacity Ratio (BCR) and the efficiency factor ζγ were introduced to determine the effect of the void on the ultimate bearing capacity of footing/s. The influence of various parameters including spacing (S/B) (i.e. edge to edge) between the two interfering footings along with the location and the shape of the void were studied. In general, the results indicate that the presence of a void reduces the bearing capacity and affects the performance of footing/s and there is a critical value of S/B beyond which the effect of the void on the bearing capacity of the interfering footings becomes negligible. https://etasr.com/index.php/ETASR/article/view/5494interfering footingsbearing capacitystrip footingfinite element methodunderground voidsgranular soil
spellingShingle Assma Benbouza
Tarek Mansouri
Khelifa Abbeche
Behavior of Strip Footing/s above Void in Sandy Soil
Engineering, Technology & Applied Science Research
interfering footings
bearing capacity
strip footing
finite element method
underground voids
granular soil
title Behavior of Strip Footing/s above Void in Sandy Soil
title_full Behavior of Strip Footing/s above Void in Sandy Soil
title_fullStr Behavior of Strip Footing/s above Void in Sandy Soil
title_full_unstemmed Behavior of Strip Footing/s above Void in Sandy Soil
title_short Behavior of Strip Footing/s above Void in Sandy Soil
title_sort behavior of strip footing s above void in sandy soil
topic interfering footings
bearing capacity
strip footing
finite element method
underground voids
granular soil
url https://etasr.com/index.php/ETASR/article/view/5494
work_keys_str_mv AT assmabenbouza behaviorofstripfootingsabovevoidinsandysoil
AT tarekmansouri behaviorofstripfootingsabovevoidinsandysoil
AT khelifaabbeche behaviorofstripfootingsabovevoidinsandysoil