Influence of horizontal curvature of prestressing tendon in transverse beams on concrete cable-stayed bridge inclined web

WANG Yi; YE Jian-shu; GU Xiang-feng

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WANG Yi, YE Jian-shu, GU Xiang-feng. Influence of horizontal curvature of prestressing tendon in transverse beams on concrete cable-stayed bridge inclined web[J]. Journal of Traffic and Transportation Engineering, 2005, 5(2): 51-55.

Citation:

WANG Yi, YE Jian-shu, GU Xiang-feng. Influence of horizontal curvature of prestressing tendon in transverse beams on concrete cable-stayed bridge inclined web[J]. Journal of Traffic and Transportation Engineering, 2005, 5(2): 51-55.

Citation:

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Influence of horizontal curvature of prestressing tendon in transverse beams on concrete cable-stayed bridge inclined web

1.
School of Transportation, Southeast University, Nanjing 210096, China
2.
Huaian Expressway Construction Headquarter, Huaian 223001, China

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Author Bio:
Wang Yi(1979-), male, doctoral student, 86-25-83794206, wangyi_seu@163.net
Received Date: 2004-09-15
Publish Date: 2005-06-25

Abstract

Abstract

Aimed at the cracks in the concrete inclined web of concrete cable-stayed bridge because of the horizontal curvature of prestressing tendon in transverse beam, the tensile stress was analyzed with elastic theory. This paper assumed the curve of strand as line, used distributed load to replace the action of prestressing tendon on concrete inclined web, based on the elastic mechanics formula of infinite plate with concentrated force acting, derived the simplified formula for calculating the stress of concrete inclined web through integral on line and coordinate switch. The results show that the error of considering the curve of strand as line is less than 2%, through the comparison with the result of FEA(finite element analysis) and experimental data, the error of principal tensile stress is less than 0.2 MPa, which prove that the precision of the method meets engineering calculation requirement, the method is feasible.
- bridge engineering,
- concrete cable-stayed bridge,
- transverse beam,
- prestressing tendon,
- side box,
- inclined web

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References(14)

References

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