Method and system for evaluating influence of foundation bolts on safety of power transmission tower in regional environment

• Main Authors: BAI YAO, XU HAOTIAN, DUAN ZHIQIANG, ZHOU YINGBO, JING LIN, ZHOU LUO, LIU JIANG, HU TING, LIAO XIAOHONG, NING XIAO, SHANG QIXIANG, SUN LIPING, LI LYUMAN, MA LI, ZHANG JIAHAO, ZHANG HONG, QIAO SHIHUI, XIONG YI, LI JIEHAO, LI ZHIWEI, YANG LONG, CHEN RAN, ZHANG ZHAOYANG, GAO XIAOJING, WANG WEI, QUAN JIANGTAO, XU LEPING, SHU SIRUI, ZHANG TONGYAN, XU HANPING
• Format: Patent
• Language: Chinese; English
• Published: 30.08.2024
• Subjects: CALCULATING; COMPUTING; COUNTING; ELECTRIC DIGITAL DATA PROCESSING; PHYSICS

The invention discloses a method and system for evaluating the influence of foundation bolts on the safety of a transmission tower in a regional environment, and the method comprises the steps: firstly obtaining the parameters of an environment where the tower is located, constructing a finite element analysis model and a simulation test environment, obtaining the characteristics and tensile strength of internal micro-cracks, carrying out a dynamic load cyclic loading test on the foundation bolts, and obtaining an interaction function; calculating the fatigue life and constructing a neural network, then constructing a reduction coefficient function among the environmental parameters, the corrosion degree and the reduction coefficient, and combining with the neural network to construct a final fatigue life prediction function so as to realize prediction; according to the method, the interaction among various influence factors such as the environment where the foundation bolt is located, the corrosion degree, t