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A new kind of protective fitting which is safety pin is put into use in this paper, which can make transmission line dissociate from tower when ice thickness exceed the numerical value that ultimate load related. The approach has achieved the effect of avoiding and decreasing the ice disasters because it efficiently prevents collapse of power transmission tower and disconnection of transmission line...
Bridge ambient vibration test has an advantage of being simple, fast and cheap. In this paper, we take the example of Linjiangmen Bridge which is located in Jilin City, Jilin province. The dynamic test research on the characteristics of the natural vibration for the bridge is discussed. The authors calculate the characteristics of the natural vibration for the bridge with the structure analysis software-ANSYS,...
Ice storm is a kind of extreme weather conditions that can cause great losses to electric power system. The payments of power transmission towers account for 40 percent of total investment. For this, research on ultimate load and failure mechanism of transmission tower is very necessary. The property of ice coating is summarized in this paper. Also, the lateral load, the longitudinal load, and the...
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