| Mechanical & Civil Engineering |
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| Unified expression for failure of reinforced concrete members in bridge |
| Huang Zhen, Liu Xi-la, Yang Guang |
| Department of Civil Engineering, Shanghai Jiao Tong University, Shanghai 200030, China |
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Abstract Reinforced concrete structural elements with box section are commonly used in the horizontal and vertical structure of bridges. The reinforced concrete structure in bridge often failed under the combined forces of bending, axial load, shear and torsion caused by wind and earthquake. It is very important to study the mechanism of RC box section structures subjected to a combination of forces. A theoretical study and deduction of the unified expression for failure of reinforced concrete members with box section under combined bending, shear, axial force and torsion were carried out with stress equilibrium assumption. Comparison of theoretical analysis results with experimental results showed that the unified expression for failure of reinforced concrete members with box section can be used for static calculation of such structure members.
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Received: 30 March 2005
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