Behavior of Eccentrically Loaded Small-Scale Ring Footings Resting on Reinforced Layered Soil

Sawwaf, Mostafa El; Nazir, Ashraf

doi:10.1061/(asce)gt.1943-5606.0000593

Cited by 76 publications

(15 citation statements)

References 17 publications

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“…The results showed that the UBC increases at the 3rd layer of reinforcement; after that, the rate of load increment becomes much less. This study concludes that the N = 3 is the optimum number of the reinforcement layers and also was present in prior studies of the strip and square footing over reinforced sand [5,39]. These studies also showed that the optimum number of the soil reinforcement layer depends on the vertical spacing between geogrid layers and the embedment depth of the first layer.…”

Section: The Optimum Number Of the Reinforcement Layerssupporting

confidence: 76%

Model studies of bearing capacity of rectangular foundation subjected to eccentric and inclined loads

Gupta

Mital

2020

Innov. Infrastruct. Solut.

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This study presents the behaviour of eccentrically inclined loaded rectangular foundation on unreinforced and geogrid reinforced sand carried out experimentally, theoretically and numerically. In the past, several works have been done relating to the estimate of the ultimate bearing capacity (UBC) of shallow foundations supported by geogrid reinforced sand. These researches are limited to strip, square and circular footings. It is found that the less attention was given to determine the UBC of the shallow rectangular foundation under eccentric and inclined load with different depth of embedment D f . Hence, the present study is based on the behaviour of eccentrically inclined loaded rectangular (surface and embedded) foundation on the unreinforced and geogrid reinforced sand bed. To determine the load-settlement behaviour and compare it with experimental observation, equally theoretical and numerical analysis (PLAXIS 3D) has also been conducted.

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Section: The Optimum Number Of the Reinforcement Layerssupporting

confidence: 76%

Model studies of bearing capacity of rectangular foundation subjected to eccentric and inclined loads

Gupta

Mital

2020

Innov. Infrastruct. Solut.

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“…It is a technical requirement to improve the uplift resistance of aeolian sand by foundation treatments. e beneficial effects of using geosynthetics to increase the bearing capacity of foundation have been clearly demonstrated by previous studies [2][3][4][5][6][7][8][9]. Dash et al [10] carried out indoor model tests on the reinforcement of sand bedsupport strip foundation with geogrid cushion and determined the layout depth, size of the geogrid layer, and the optimal length width ratio of geogrid bag supported strip foundation.…”

Section: Introductionmentioning

confidence: 99%

Uplift Bearing Capacity of Transmission Tower Foundation in Reinforced Aeolian Sand Using Simplified Model Tests

Ding

Cheng

Zheng

et al. 2021

Advances in Civil Engineering

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In order to analyze the uplift bearing capacity of transmission tower foundation in the geosythetic-reinforced aeolian sand, a series of simplified indoor modeling tests are carried out. A simplified reduced-scale foundation made according to the prototype and the uplift bearing capacity of transmission tower foundation in geosynthetic-reinforced aeolian sand is studied. Three kinds of reinforcement materials are embedded in the sand according to five ways of layout spacing. A total of 15 reinforcement schemes are tested. The results show that ultimate uplift bearing capacity of transmission tower foundation can be significantly improved by the reinforcement treatment of geotechnical materials in the aeolian sand. The type and spacing of reinforced materials also have a significant influence on the uplift bearing capacity of the foundation model in reinforced aeolian sand, and the effect of reinforcement works until the end of the loading process. The comprehensive effect is evaluated by the ratio of bearing capacity improvement and the total layer of reinforced materials. Based on the above results, the bearing mechanism of transmission tower foundation in geosynthetic-reinforced aeolian sand is elaborated and analyzed in detail.

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“…The results of the behavior of small-scale ring footings subject to eccentric loading on reinforced soil reported that with an increase in eccentricity, the bearing capacity ratio of ring footing increased more than circular foundation. Also, for an optimum response of ring footing, the recommended diameter ratio is 0.39 [7]. Based on the limit equilibrium method, the solution was derived for the bearing capacity of a ring footing on soil beds [8].…”

Section: Introductionmentioning

confidence: 99%

Behavior of Eccentrically Inclined Loaded Ring Footings Resting on Granular Soil

Fazel

Bazaz

2020

IJE

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Behavior of Eccentrically Loaded Small-Scale Ring Footings Resting on Reinforced Layered Soil

Cited by 76 publications

References 17 publications

Model studies of bearing capacity of rectangular foundation subjected to eccentric and inclined loads

Model studies of bearing capacity of rectangular foundation subjected to eccentric and inclined loads

Uplift Bearing Capacity of Transmission Tower Foundation in Reinforced Aeolian Sand Using Simplified Model Tests

Behavior of Eccentrically Inclined Loaded Ring Footings Resting on Granular Soil

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