Reliability-Based Balanced Condition for Strengthened RC Beams

Chun Xia Li; Zhi Sheng Ding; Shi Lin Yan; Jun Ming Chen

doi:10.4028/www.scientific.net/AMR.756-759.25

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 756-759Reliability-Based Balanced Condition for...

Reliability-Based Balanced Condition for Strengthened RC Beams

Abstract:

Based on the experimental result of the flexure capability of reinforced concrete beams strengthened by carbon fiber sheets, the stress distribution changes only after steel yielding and carbon fiber sheets function better. However serious the extent of the damage is before strengthened, the tensile strain of main steel reaches about 1.6 times of the yield strain for the secondary grade of steel as failure happens. To satisfy the object reliability indicator, reliability is analyzed using the ratio of the steel strain at the balanced failure to the yield strain as variable to obtain its optimum value, which is coincide with the experimental result, and makes better consistency between calculated reliability indicator and object reliability indicator.

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Periodical:

Advanced Materials Research (Volumes 756-759)

Pages:

25-28

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.756-759.25

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Online since:

September 2013

Authors:

Chun Xia Li, Zhi Sheng Ding, Shi Lin Yan, Jun Ming Chen

Keywords:

Balanced Condition, Flexure Capability, Reliability Indicator, Statistical Characteristic

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