E3S Web Conf.
Volume 97, 2019XXII International Scientific Conference “Construction the Formation of Living Environment” (FORM-2019)
|Number of page(s)||13|
|Section||Safety in Construction|
|Published online||29 May 2019|
Nonlinear deformation analysis for precast pre-stressed concrete beam systems
Civil Engineering Faculty, Hanoi Architectural University, Km. 10 Nguyen Trai, Thanh Xuan, Hanoi, Viet Nam
2 Voronezh State Technical University, Russia
* Corresponding author: email@example.com
The structural systems such as road bridge beam systems (span superstructure) or beam systems used in high-rise buildings with precast pre-stressed reinforced concrete might be subjected to the load higher than the calculated load of the design process. In the process of operation the internal forces of the beams reach to a certain value, the section stiffness in elements will be changed. The change in section stiffness will lead to redistribution of internal forces in the whole system. However, that has not been included in the design process. The paper presents nonlinear deformation analysis of precast pre-stressed beam system used in road bridge span superstructure or high-rise buildings using nonlinear model of materials according to Russian construction codes to build the relationship between internal forces and section stiffness. From the calculation results, some comments will be recommended about increased load capacity in comparison with the results obtained from analysis using linear model of material.
© The Authors, published by EDP Sciences, 2019
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