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

Table 6

Maximum responses of the ground line.

Seismic wave	Peak acceleration (m/s^2)	Tension force (kN)		Vertical displacement (m)
		Without considering strain rate	Considering strain rate	Without considering strain rate	Considering strain rate
El Centro	6.0	17.239	17.292	3.509	3.513
	8.0	17.847	17.851	3.501	3.494
	10.0	18.651	18.589	4.428	4.377
	12.0	19.282	19.496	4.546	4.608
	14.0	19.183	19.512	4.276	4.315
	15.0	Collapse	19.965	Collapse	4.716
	16.0	Collapse	Collapse	Collapse	Collapse
Kobe	6.0	17.292	17.292	3.484	3.484
	8.0	17.292	17.291	3.485	3.484
	10.0	17.291	17.289	3.614	3.612
	12.0	17.292	17.290	3.586	3.579
	13.0	17.305	17.412	3.968	4.012
	14.0	Collapse	17.460	Collapse	4.163
	15.0	Collapse	Collapse	Collapse	Collapse
Northbridge	10.0	17.296	17.296	5.358	5.358
	15.0	22.424	22.423	5.487	5.487
	20.0	17.539	17.611	5.739	5.742
	23.0	20.882	20.870	5.253	5.258
	25.0	20.115	21.310	5.623	5.635
	27.0	20.790	20.053	5.152	5.161
	29.0	Collapse	21.136	Collapse	7.519
	30.0	Collapse	Collapse	Collapse	Collapse