Ground Motions - TCU089
blueline.JPG (929 bytes)
The TCU089 record (N 23.904, E 120.856) was located 12.61 km from the Ji Lu (Figure 1) and at an approximate distance of 6.52 km from the Chi-Chi epicenter.  

Image showing locations of useable ground motions
Figure 1 - Location of TCU089 relative to the Ji Lu
The corrected record rotated to the longitudinal direction of the Ji Lu showed a PGA of .19g.  The integrated velocity record had a peak ground velocity (PGV) of 12.5 in/sec (Figure 2).  The longitudinal velocity record shows a distinct sine pulse.

 

 

TCU089acc.jpg (16159 bytes)

TCU089vel.jpg (15209 bytes)
Figure 2 - Rotated and Corrected acceleration and velocity records longitudinal to the Ji-Lu bridge
This corrected record rotated to the transverse direction of the Ji Lu had a PGA of .37g and a PGV of 17 in/sec (Figure 3).    

 

TCU089tacc.jpg (15487 bytes)

TCU089tvel.jpg (16186 bytes)
Figure 3 - Rotated and Corrected acceleration and velocity records transverse to the Ji-Lu bridge


[TCU078] [TCU079] [TCU089] [TCU129]