Study on External Prestressing Connection Mode of the Simply-Supported and Continued Structure System

Xiu Juan Jiang; Rong Da Li; Jun Yan Wu; Jian Xin Liu

doi:10.4028/www.scientific.net/AMM.405-408.1513

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 405-408Study on External Prestressing Connection Mode of...

Study on External Prestressing Connection Mode of the Simply-Supported and Continued Structure System

Abstract:

Simply supported beam by applying the external prestressing change as a continuous system can be a substantial increase in the bridge carrying capacity, but more complex in vitro beam connection segment force. To study the forced state of external prestressing connection mode of the simply-supported and continued structure system, it is studied by both the way of numerical simulation using the finite element analysis software ANSYS and experimental research. The physical model to simulate the prestressed concrete structure and the test process are described. By comparing the results of numerical simulation and experimental research, the stress stage of the connection mode is divided. As a result, a simplified method of calculating the deflection based on the elastic theory is proposed. The internal force redistribution of the structure is also determined. The results of the numerical simulation method are reliable because it is similar to measured results.

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Periodical:

Applied Mechanics and Materials (Volumes 405-408)

Pages:

1513-1516

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.405-408.1513

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Online since:

September 2013

Authors:

Xiu Juan Jiang*, Rong Da Li, Jun Yan Wu, Jian Xin Liu

Keywords:

Connection Mode, External Prestressing, Internal Force Redistribution, Numerical Simulation, Simply-Supported and Continued Structure System

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