Tower leg slip identification method based on monitoring data of tensile cable tension in power transmission tower body

Abstract

This invention addresses the problems in existing transmission tower leg landslide monitoring technologies, such as difficulties in sensor deployment, poor long-term reliability, difficulty in capturing system-wide coordinated deformation, and a disconnect between monitoring data and structural stability assessment. It proposes a method for identifying the slippage state of transmission tower legs based on tension monitoring data. The method includes: determining the soil parameters at the site of the transmission tower; performing frequency domain signal analysis on the collected cable tension signals to obtain the static cable tension value; and inputting the static cable tension value into a mapping relationship between static cable tension and leg landslide amount to obtain the leg landslide amount. This method achieves direct monitoring of leg slippage by constructing a mapping relationship between static cable tension and leg landslide amount.

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