Nonlinear analysis element model of prestressed concrete beam

ZHANG Feng; YE Jian-shu; XU Xiang-feng

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ZHANG Feng, YE Jian-shu, XU Xiang-feng. Nonlinear analysis element model of prestressed concrete beam[J]. Journal of Traffic and Transportation Engineering, 2007, 7(5): 68-72.

Citation:

ZHANG Feng, YE Jian-shu, XU Xiang-feng. Nonlinear analysis element model of prestressed concrete beam[J]. Journal of Traffic and Transportation Engineering, 2007, 7(5): 68-72.

ZHANG Feng, YE Jian-shu, XU Xiang-feng. Nonlinear analysis element model of prestressed concrete beam[J]. Journal of Traffic and Transportation Engineering, 2007, 7(5): 68-72.

Citation:

ZHANG Feng, YE Jian-shu, XU Xiang-feng. Nonlinear analysis element model of prestressed concrete beam[J]. Journal of Traffic and Transportation Engineering, 2007, 7(5): 68-72.

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Nonlinear analysis element model of prestressed concrete beam

1.
School of Transportation, Southeast University, Nanjing 210096, Jiangsu, China
2.
Department of Civil Engineering, Shandong Jiaotong University, Jinan 250023, Shandong, China

More Information

Author Bio:
zhang Feng(1978-), male, doctoral student of engineering, +86-25-83794206, xxf19780311@163.com

Ye Jian-shu(1948-), male, professor, +86-25-86315379, yejianshu@seu.edu.cn
Received Date: 2007-02-16
Publish Date: 2007-10-25

Abstract

Abstract

In order to analyze the mechanics properties of tendon exactly and effectively, simulate normal steel bar, linear tendon and curved tendon in prestressed concrete beam, a nonlinear analysis element model of prestressed concrete beam was presented.In the model, based on finite element method, tendon was simulated by 3-D link bar element of total Lagrangian method, solid degenerated-combined shell element was used to simulate prestressed concrete beam, and the stiffness of link element contributing to concrete element was computed according to the displacement relationship of tendon element and shell element, the action of tendon contributing to the structure was directly reflected inside the element.The simulation result of the destroyed process of prestressed concrete T beam shows that the computation deflection and test deflection in middle span are accordant, and the model can simulate the mechanics properties of tendon.
- bridge engineering,
- prestressed concrete beam,
- curve prestressed bar,
- solid degenerated-combined shell element,
- nonlinear analysis,
- finite element program

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References(12)

References

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