The Effect Analysis of Strain Rate on Power Transmission Tower-Line System under Seismic Excitation

Table 3

Maximum top displacements of 2nd transmission tower.

Seismic wave	Peak acceleration (m/s^2)	Displacement (m)
		X direction		Y direction
		Without considering strain rate	Considering strain rate	Without considering strain rate	Considering strain rate
El Centro	6.0	0.243	0.243	0.330	0.329
	8.0	0.256	0.258	0.453	0.454
	10.0	0.339	0.318	0.514	0.513
	12.0	0.460	0.396	0.618	0.617
	14.0	0.841	0.757	0.691	0.687
	15.0	Collapse	1.124	Collapse	0.706
	16.0	Collapse	Collapse	Collapse	Collapse
Kobe	6.0	0.498	0.501	0.505	0.505
	8.0	0.685	0.682	0.701	0.694
	10.0	1.012	0.973	0.949	0.936
	12.0	1.085	1.020	1.121	1.084
	13.0	1.177	1.109	1.241	1.157
	14.0	Collapse	1.196	Collapse	1.268
	15.0	Collapse	Collapse	Collapse	Collapse
Northbridge	10.0	0.306	0.305	0.329	0.329
	15.0	0.518	0.516	0.453	0.455
	20.0	0.573	0.568	0.499	0.492
	23.0	0.681	0.674	0.644	0.640
	25.0	0.748	0.725	0.664	0.659
	27.0	0.828	0.813	0.743	0.740
	29.0	Collapse	0.880	Collapse	0.752
	30.0	Collapse	Collapse	Collapse	Collapse