Influencing Factors of Self-Stressed Concrete Filled Steel Tube with Segments Bearing Capacity

Shi Liang Wang; Li Yun Yi

doi:10.4028/www.scientific.net/AMR.676.60

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 676Influencing Factors of Self-Stressed Concrete...

Influencing Factors of Self-Stressed Concrete Filled Steel Tube with Segments Bearing Capacity

Abstract:

According to the unified theory of general concrete filled steel tube, this paper puts forward a constitutive relationship model of the self-stressed concrete filled steel tube, which was verified by experiments and finite element methods. On the basis of the above, the influences of the bearing capacity of self-stressed CFST members were analyzed about the strength grades and magnitudes of self-stress of confined concrete. The results show that the bearing capacity of the self-stressed concrete filled steel tube members will be improved with the increase of the magnitudes of self-stress and concrete strength grades. Compared to the general CFST in same conditions, the maximum extent of the bearing capacity can be approximately enhanced 20%.

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Periodical:

Advanced Materials Research (Volume 676)

Pages:

60-64

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.676.60

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Online since:

March 2013

Authors:

Shi Liang Wang, Li Yun Yi

Keywords:

Concrete Strength Grade, Constitutive Relationship, Influencing Factors of Bearing Capacity, Magnitude of Self-Stress, Self-Stressed Concrete Filled Steel Tube

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