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Investigation of factors affecting vertical sag of stretched wire

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Abstract

To study vertical sag requirements and factors affecting the stretched wire alignment method, the vertical sag equation is first derived theoretically. Subsequently, the influencing factors (such as the hanging weight or tension, span length, temperature change, elastic deformation, and the Earth’s rotation) of the vertical sag are summarized, and their validity is verified through actual measurements. Finally, the essential factors affecting vertical sag, i.e., the specific strength and length, are discussed. It is believed that the vertical sag of a stretched wire is proportional to the square of the length and inversely proportional to the specific strength of the material.

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Authors and Affiliations

  1. Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, 730000, China

    Jian-Dong Yuan, Jun-Xia Wu, Bin Zhang, Yuan He, Jun-Hui Zhang, Wen-Jun Chen, Shao-Ming Wang, Guo-Zhen Sun, Xu-Dong Zhang & Li-Song Yan

  2. School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing, 100049, China

    Jian-Dong Yuan

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  1. Jian-Dong Yuan
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  2. Jun-Xia Wu
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  3. Bin Zhang
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  4. Yuan He
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  10. Li-Song Yan
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Contributions

All authors contributed to the study conception and design. Material preparation, data collection and analysis were performed by Jian-Dong Yuan. The first draft of the manuscript was written by Jian-Dong Yuan and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.

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Correspondence to Jian-Dong Yuan.

Additional information

This work was supported by Large Research Infrastructures “China initiative Accelerator Driven System” (No. 2017-000052-75-01-000590).

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Yuan, JD., Wu, JX., Zhang, B. et al. Investigation of factors affecting vertical sag of stretched wire. NUCL SCI TECH 32, 20 (2021). https://doi.org/10.1007/s41365-021-00847-5

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