Research of Self Pre-Stress Test of Concrete-Filled Steel Tube Arch Rib

Fu Wei Huang; Hai Ting Yang

doi:10.4028/www.scientific.net/AMR.446-449.1307

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 446-449Research of Self Pre-Stress Test of...

Research of Self Pre-Stress Test of Concrete-Filled Steel Tube Arch Rib

Abstract:

Indirect test method of installing vibrating wire strain gauges as sensors in outer surface of steel tube rib is adopted to carry out the research of concrete-filled steel tube (CFST) self pre-stress test for a half-through CFST arch bridge with a main span of 240m. The results show that indirect test method is a practical approach for self pre-stress test, and the measured value of self pre-stress from this method is much smaller than that of being theoretically calculated by concrete free expansion ratio.

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Periodical:

Advanced Materials Research (Volumes 446-449)

Pages:

1307-1311

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.446-449.1307

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Online since:

January 2012

Authors:

Fu Wei Huang, Hai Ting Yang

Keywords:

Concrete-Filled Steel Tube Rib, Indirect Test Method, Self Pre-Stress Test

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References

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