Bearing Capacity of Frame’s Column Strengthened with Addition Flange Wall

Abstract:

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A large number of frames damaged due to the poor lateral stiffness in “5.12” earthquake. Additonal flange wall could effectively improve the lateral stiffness. This paper analyzed the behavior capability of special-shaped column of the practical engineering structures, meanwhile, obtained N-M curve, Mx-My curve and M-φ of biaxial eccentricity compression based on numerical integration method.The results show that,the failure mode of special section column after reinforcing and rectangular column under the biaxial eccentricity compression are conform,including fail in tension or compression and the limit failure. When the axial compression ratio is quite slightly,and section eccentric tension destruction, the thrust increases, the anti-bending ability increases.When section bearing destruction, along with axle strength enlargement, the anti-bending ability reduces.And the results reveal the axial compression ratio could influence the bearing capacity and ductility of frame’s column obviously.

Info:

Periodical:

Advanced Materials Research (Volumes 160-162)

Edited by:

Guojun Zhang and Jessica Xu

Pages:

614-618

DOI:

10.4028/www.scientific.net/AMR.160-162.614

Citation:

R. H. Wang et al., "Bearing Capacity of Frame’s Column Strengthened with Addition Flange Wall", Advanced Materials Research, Vols. 160-162, pp. 614-618, 2011

Online since:

November 2010

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Price:

$35.00

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