Method for calculating bearing capacity of power transmission tower angle steel after nondestructive reinforcement

• Main Authors: SU YI, MA LI, JIN ZHE, YANG SHIQIANG, HU JUNFENG, ZHU HAIFENG, LI SHUYANG, ZHANG LIMING, WANG YANHAI, WU YUXIN, LI XIAOLAI, LI FEI, CAO CHENG, GAO BEICHEN, SHI MINGJUN, HUANG YUHAN, XIAO YA
• Format: Patent
• Language: Chinese; English
• Published: 16.01.2024
• Subjects: CALCULATING; COMPUTING; COUNTING; ELECTRIC DIGITAL DATA PROCESSING; INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTEDFOR SPECIFIC APPLICATION FIELDS; PHYSICS

The invention belongs to the technical field of angle steel lossless reinforcement mechanical calculation methods, and provides a power transmission tower angle steel lossless reinforcement bearing capacity calculation method, which comprises the following steps: S001, obtaining parameters of angle steel to be reinforced and an FRP reinforcement material, and determining a composite section proportionality coefficient of the angle steel to be reinforced; the method comprises the following steps: S001, calculating the composite cross-sectional area of an FRP-angle steel member formed after the angle steel is reinforced by an FRP reinforcing material, converting the composite cross-sectional area into an equivalent composite cross-sectional area, and calculating the cross-sectional inertia moment Is of the angle steel and the cross-sectional inertia moment of the FRP material, S003, calculating the composite cross-sectional inertia moment of the FRP-angle steel member formed after the angle steel is reinforced