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Experimental and Numerical Studies on Geocell Reinforced Sand Beds
Indian Railway has taken up the ambitious project of constructing 3300 km of new track across eastern and western corridors. The majority of these tracks will pass through the regions with poor soils including loose sands of the Indo-Gangetic belts. Hence, the experimental and numerical studies are undertaken to evaluate the suitability of geocell cellular confinement as a foundation technique for this project. This paper presents the results of the 1-g model tests performed on geocell reinforced sand bed supporting the square footing. Results show that the provision of geocell increases the ultimate bearing capacity of the sand bed by 4 times. Introduction of planar geogrid at the base of the geocell mattress not only enhances the load carrying capacity but also arrests the surface heave and prevents the footing from undergoing the rotational failure. In addition to the experimental studies, numerical study was also carried to demonstrate the simplistic approach of modeling of the geocells in FLAC2D.
Experimental and Numerical Studies on Geocell Reinforced Sand Beds
Indian Railway has taken up the ambitious project of constructing 3300 km of new track across eastern and western corridors. The majority of these tracks will pass through the regions with poor soils including loose sands of the Indo-Gangetic belts. Hence, the experimental and numerical studies are undertaken to evaluate the suitability of geocell cellular confinement as a foundation technique for this project. This paper presents the results of the 1-g model tests performed on geocell reinforced sand bed supporting the square footing. Results show that the provision of geocell increases the ultimate bearing capacity of the sand bed by 4 times. Introduction of planar geogrid at the base of the geocell mattress not only enhances the load carrying capacity but also arrests the surface heave and prevents the footing from undergoing the rotational failure. In addition to the experimental studies, numerical study was also carried to demonstrate the simplistic approach of modeling of the geocells in FLAC2D.
Experimental and Numerical Studies on Geocell Reinforced Sand Beds
Hegde, A. (author) / Sitharam, T.G. (author)
2013
8 Seiten, Bilder, Tabellen, Quellen
Conference paper
Storage medium
English
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