Bearing capacity behaviour of a strip footing on model slopes made up of fly ash and furnace slag

Patil, Vidya Nitin; Chore, H.S.

doi:10.1080/19386362.2016.1229243

Cited by 6 publications

(11 citation statements)

References 26 publications

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“…Based on the afore-mentioned review of literature, the objective of the present work reported in this paper to examine the efficacy of the geogrid and rubbergrid reinforced fly ash and GGBFS embankment through the numerical analysis using finite element based software PLAXIS. The scope of the present paper is to report the load-deformation behaviour obtained numerically in view of the model study through the bearing capacity behaviour of the footing resting on the embankment slope and to compare the results obtained with those obtained experimentally and reported in the published literature [44,45].…”

Section: Review Of Literaturementioning

confidence: 99%

“…Further, two types of reinforcements (geogrid and the rubbergrid) derived out of the discarded waste tyres) were also used. Patil and Chore [44] reported the experimental investigations on the strength evaluation of unreinforced embankment slopes made up of two different Pozzolanic materials (fly ash and GGBFS) by studying the bearing capacity behaviour of a strip footing on model slopes). They also presented the limited investigation on the load carrying capacity of geogrid reinforced fly ash slope with respect to critical slope angle observed by Patil and Chore [45] and in respect of only one embedment depth.…”

Section: Review Of Literaturementioning

confidence: 99%

“…In the numerical analysis, unreinforced embankment slopes made up of fly ash and GGBFS and geogrid reinforced fly ash embankment slope corresponding to the experimental work reported in the literature [44] were considered. In both the experimental investigations, model tests were conducted in plain strain conditions to study the behaviour of shallow footings placed on the top of the embankment slope under applied loads.…”

Section: Laboratory Model Testsmentioning

confidence: 99%

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Numerical analysis of reinforced embankment slopes made up of pozzolanic waste materials

2020

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The paper presents the numerical study of the bearing capacity behavior of the model footing placed on the top of reinforced embankment slopes made up of Pozzolanic waste materials such as fly ash and ground granulated blast furnace slag (GGBFS). The present investigation is aimed at studying the efficacy of the different types of reinforcement (geogrid and rubbergrid) in improving the load bearing capacity of the embankment slopes made up of waste materials. The effect of various parameters such as slope angle, location of the footing with slope crest, embedment depth of the reinforcement is studied on the strength behavior of the embankment. The analysis is carried out on unreinforced fly ash and GGBFS embankments for three slope angles and three locations of the footing with respect to slope crest, i.e., edge distance. The fly ash slopes reinforced with geogrid and rubber grid reinforcement is also analyzed for all the three slope angles and edge distances as that in unreinforced fly ash embankment slope and further, for various embedment depths of the layer of reinforcement. The GGBFS embankment reinforced with geogrid layer is analyzed with respect to critical slope angle and edge distance and optimum embedment depth of the reinforcement deduced from the unreinforced fly ash and GGBFS embankment and reinforced fly ash embankment. The analysis demonstrated that the load carrying capacity of the embankment slope decreases with increase in slope angle and edge distance in respect of unreinforced and reinforced fly ash slope and the optimum embedment depth ratio seems to be 1.2. Further, the rubbergrid reinforcement is found to perform better than the geogrid. The performance of geogrid reinforced GGBFS embankment is also noteworthy. The study underscores the effective utilization of Pozzolanic waste materials as the embankment slope and the rubbergrid derived out of discarded tyres.

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Section: Review Of Literaturementioning

confidence: 99%

Section: Review Of Literaturementioning

confidence: 99%

Section: Laboratory Model Testsmentioning

confidence: 99%

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Numerical analysis of reinforced embankment slopes made up of pozzolanic waste materials

2020

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“…Some investigators have analysed the bearing capacity of footings on slopes by laboratory model tests [8][9][10]. Castelli and Lentini [8] experimentally evaluated the loadbearing behaviour of footings on slopes, and proposed modified bearing capacity factors by considering the effect of sloping ground.…”

Section: Introductionmentioning

confidence: 99%

“…They demonstrated that the ultimate bearing capacity improved with an increase in the footing edge distance, sand relative density, and decrease in slope inclination. Patil and Chore [10] demonstrated that the bearing capacity of a strip footing on a fly ash and furnace slag slope is influenced by the footing edge distance and slope angle. They also established a good agreement between the ultimate bearing capacity obtained from the experimental work and analytical solution.…”

Section: Introductionmentioning

confidence: 99%

Stability analysis and design charts for a sandy soil slope supporting an embedded strip footing

Baah-Frempong

Shukla

2018

Geo-Engineering

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In several field situations, especially in the hilly terrains, the construction of footings on slopes becomes essential. The factor of safety of a slope supporting a loaded footing on the crest is dependent on the position of the footing from the crest edge. Most studies in the past have focused on analysing the bearing capacity and settlement behaviour of a footing resting on a slope crest, but foundations in most infrastructure projects are usually built at some depth below the ground surface. Therefore, the availability of some form of design charts for determining the factor of safety of a slope supporting an embedded footing will be highly useful for the practising engineers. In the current work, the finite element analysis of a sandy soil slope supporting an embedded footing was carried out using the Plaxis 2D, a finite element-based commercial software, in order to examine the effect of slope geometry, soil properties, and footing locations on the stability of slope in terms of factor of safety. The results of the analysis show that the factor of safety of the slope increases with an increase in the footing edge distance, footing depth and soil relative density, but it decreases with an increase in the slope angle and applied pressure on the footing. Some design charts have been developed along with an illustrative example to explain how these charts can be used by the practising engineers.

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Bearing Capacity of Geocell Reinforced Model Fly Ash Slope

Patil¹,

Chore

Sawant

2022

Lecture Notes in Civil Engineering

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Bearing capacity behaviour of a strip footing on model slopes made up of fly ash and furnace slag

Cited by 6 publications

References 26 publications

Numerical analysis of reinforced embankment slopes made up of pozzolanic waste materials

Numerical analysis of reinforced embankment slopes made up of pozzolanic waste materials

Stability analysis and design charts for a sandy soil slope supporting an embedded strip footing

Bearing Capacity of Geocell Reinforced Model Fly Ash Slope

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