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Determination of Ultimate Load and Stability Evaluation of Transmission Tower Foundation during Operation Period
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Abstract
500kV transmission tower foundation on the Yanzi landslide is taken as the research object this article. The extreme working conditions of the transmission tower foundation under different operating conditions, including maximum wind speed, icing and disconnection, are determined. Based on this, the stability of the tower foundation, including foundation uplift stability, foundation overturning stability, foundation bearing capacity, is initially evaluated according to the " Code for Design of 110kV ∼ 750kV Overhead Transmission Line " (GB 50545-2010). The results show that when the wind speed is greater than 20m/s, the maximum wind speed is determined as the extreme load condition of the tower foundation. Preliminary evaluation of the stability of the tower foundation shows that its stability is related to the wind speed and the buried depth of the tower foundation. Therefore, the research results can provide technical reference for related power departments.
Title: Determination of Ultimate Load and Stability Evaluation of Transmission Tower Foundation during Operation Period
Description:
Abstract
500kV transmission tower foundation on the Yanzi landslide is taken as the research object this article.
The extreme working conditions of the transmission tower foundation under different operating conditions, including maximum wind speed, icing and disconnection, are determined.
Based on this, the stability of the tower foundation, including foundation uplift stability, foundation overturning stability, foundation bearing capacity, is initially evaluated according to the " Code for Design of 110kV ∼ 750kV Overhead Transmission Line " (GB 50545-2010).
The results show that when the wind speed is greater than 20m/s, the maximum wind speed is determined as the extreme load condition of the tower foundation.
Preliminary evaluation of the stability of the tower foundation shows that its stability is related to the wind speed and the buried depth of the tower foundation.
Therefore, the research results can provide technical reference for related power departments.
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