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Vertical bearing capacity for ring footings

✍ Scribed by L. Zhao; J.H. Wang

Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
756 KB
Volume
35
Category
Article
ISSN
0266-352X

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✦ Synopsis

This paper utilizes a finite difference code FLAC to study bearing capacity factor N c for ring footings in cohesionless, frictional and ponderable soil. The present soil model employs Mohr-Coulomb yield criterion and associative flow rule. The value of N c is found to decrease significantly with an increase in r i /r o , which is the ratio of internal radius to external radius of the ring. The value of N c for a rough ring footing, especially for lager values of u, is obviously higher than that for a smooth footing. The results are compared with those available in the literature.

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