Investigation of factors affecting vertical sag of stretched wire

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

doi:10.1007/s41365-021-00847-5

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Investigation of factors affecting vertical sag of stretched wire

SYNCHROTRON RADIATION TECHNOLOGY AND APPLICATIONS | Updated：2021-03-12

- Investigation of factors affecting vertical sag of stretched wire
- Nuclear Science and Techniques Vol. 32, Issue 2, Article number: 20(2021)
- Affiliations：
  
  1.Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou730000, China
  2.School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
- Author bio：
  
  Corresponding author, yuanjiandong@impcas.ac.cn
- Funds：
- DOI：10.1007/s41365-021-00847-5
  CLC：
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Jian-Dong Yuan, Jun-Xia Wu, Bin Zhang, et al. Investigation of factors affecting vertical sag of stretched wire. [J]. Nuclear Science and Techniques 32(2):20(2021)
DOI：

Jian-Dong Yuan, Jun-Xia Wu, Bin Zhang, et al. Investigation of factors affecting vertical sag of stretched wire. [J]. Nuclear Science and Techniques 32(2):20(2021) DOI： 10.1007/s41365-021-00847-5.

摘要

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.

关键词

Keywords

Stretched wireAlignmentVertical sagCatenaryHyperbolic cosineLinear densityEarth rotation

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