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Title

Pseudo-dynamic bearing capacity factor for strip footings considering Coulomb failure mechanism

Year: 1396
COI: ISSEE04_073
Language: EnglishView: 184
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Authors

Ali Ramazan Borujerdi - M.Sc. Student of civil (Geotechnical) Engineering, Qom University of Technology, Iran
Morteza Jiryaei Sharahi - Assistant Professor, Qom University of Technology, Iran

Abstract:

In earthquake prone areas, computation of bearing capacity under seismic condition is very important for the safe design of foundations. In previous years, attempts were made to use pseudo-static approach and a very few investigators used pseudo-dynamic approach to compute the seismic bearing capacity. Using the limit equilibrium method, the values of bearing capacity factor for surface strip footings resting on cohesionless soil are obtained by considering simple planar rupture surfaces under seismic conditions. The seismic forces are computed using the modified pseudo-dynamic method in which dry cohesionless soil is assumed as visco-elastic medium subjected to harmonic base shaking. Width of the footing, seismic wave velocities and angular frequency of the input motion influence the value of seismic bearing capacity. Comparisons of the proposed method with available theories in the seismic case are also presented to highlight the advantages of the present method for the design of surface strip footings considering seismic waves.

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Paper COI Code

This Paper COI Code is ISSEE04_073. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/879472/

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Ramazan Borujerdi, Ali and Jiryaei Sharahi, Morteza,1396,Pseudo-dynamic bearing capacity factor for strip footings considering Coulomb failure mechanism,4rd Iran International Conference on Structural Engineering,Tehran,https://civilica.com/doc/879472

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Type of center: دانشگاه دولتی
Paper count: 774
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