Observation and Research on Large Crossing Settlement of±800?kV Ultra High Voltage Transmission Lines
Large span transmission line towers need to withstand significant horizontal,tensile,and compressive forces during operation,and their safety standards are higher than those of ordinary transmission line towers.Regarding the settlement issue of towers,four precise observations were conducted based on national and industry standards,with±800 kV voltage level towers as the research object.The results indicate that although there are significant changes in some tower foundations,the entire tower is still within the safe range.
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