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Sag - x T1 Consider the half span as shown in figure(1 The...

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x θ T 1 dy dx wz Consider the half span as shown in figure (1). The support P is at the same height as the support at the other end of the span and the lowest point of the conductor, O is midway between the supports. Let the length of the conductor between O and P is z and the weight per unit length of the conductor equal to w. Tension at O and P measured tangential to the conductor at these points are T and T1 respectively. Then resolving vertically, = ………………………( ) T1sinθ wz 1 And horizontally, = ……………………………………………………( ) T1cosθ T 2 Then from the above two equations, = = = ………………………( ) tanθ wzT wzwc zc 3 This is true for every point along conductor. Considering an elemental length
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Sag - x T1 Consider the half span as shown in figure(1 The...

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