Collapse Analysis of Transmission Tower Subjected to Earthquake Ground Motion

Table 4

Support reactions and vertical displacements of nodes under gravity loads.

Methods	Vertical support reactions/N				Vertical displacements/mm
	Support point 1	Support; point 25	Support; point 49	Support; point 73	Node; A	Node; B	Node; C	Node; D
FEM	5637.4	5640.0	5635.9	5652.9	0.197	0.233	0.219	0.172
FPM	5651.7	5660.4	5656.2	5665.0	0.204	0.242	0.228	0.179
Relative deviation	0.25%	0.36%	0.36%	0.21%	3.55%	3.86%	4.11%	4.07%