Detection of tower bolt looseness and its influence of wind levelEnjun Wu, Hongjun Chen, Weida Liao, Wenfeng Qu, Chong Huo, Zhengzhao Liang, Xiangzhao Huang, Zhenrong Li, Hang Li, Bin He and Tao YangE3S Web Conf., 261 (2021) 03048DOI: https://doi.org/10.1051/e3sconf/202126103048