Control of natural frequency of beams using different pre-tensioning cable patterns

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FANAIE N.; PARTOVI F.

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Journal Paper

Paper Information

Journal: SCIENTIA IRANICA Year:2020 | Volume:27 | Issue:6 (Transactions A: Civil Engineering) Page(s): 2752-2774

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Information Journal Paper

Title

Control of natural frequency of beams using different pre-tensioning cable patterns

Author(s)

FANAIE N. | PARTOVI F. | Issue Writer Certificate

Keywords

Natural frequency

Steel beam

Cable

Pre-tensioning

Least work

Rayleigh's method

Abstract

Sometimes, Natural frequency of beams is not within the allowable range despite the appropriate shear and bending design. Every so often, structural designers face cases in which it is not possible to increase the beam height. Steel Cable is utilized in this research to control the Natural frequency of beam due to its important advantages such as low weight, small cross-sectional area, and high tensile strength. For the first time, theoretical relations were developed to calculate the rate of increase in Pre-tensioning force of steel Cables under external loading based on the method of Least work. Moreover, the Natural frequency of Steel beams with different support conditions without Cable and with di erent patterns of Cable was calculated based on Rayleigh's method. To verify the theoretical relations involved, the Steel beam was modeled using ABAQUS software. The obtained results showed that the theoretical relations could appropriately predict the Natural frequency of beams with different support conditions and Cable patterns. In addition, simply supported and fixed supported beams were prestressed with V-shaped and modified V-shaped patterns of the Cable. According to the obtained results, the modified V-shaped pattern of the Cable was more efficient than the V-shaped pattern.

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APA: Copy

FANAIE, N., & PARTOVI, F.. (2020). Control of natural frequency of beams using different pre-tensioning cable patterns. SCIENTIA IRANICA, 27(6 (Transactions A: Civil Engineering)), 2752-2774. SID. https://sid.ir/paper/974656/en

Vancouver: Copy

FANAIE N., PARTOVI F.. Control of natural frequency of beams using different pre-tensioning cable patterns. SCIENTIA IRANICA[Internet]. 2020;27(6 (Transactions A: Civil Engineering)):2752-2774. Available from: https://sid.ir/paper/974656/en

IEEE: Copy

N. FANAIE, and F. PARTOVI, “Control of natural frequency of beams using different pre-tensioning cable patterns,” SCIENTIA IRANICA, vol. 27, no. 6 (Transactions A: Civil Engineering), pp. 2752–2774, 2020, [Online]. Available: https://sid.ir/paper/974656/en

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