SEISMIC RISK ASSESSMENT OF UNDERGROUND STRUCTURES UNDER TRANSIENT GROUND DEFORMATIONS - Earthquake Geotechnical Engineering - page 442

Record_1999
PGV_(cm/sec)_DuzceEW
High : 85.92cm/sec
Medium : 75.56cm/sec
Low : 65.20cm/sec

break
leak
full-function

0 600 1,200 2,400 3,600 4,80 km

.

1, 1999 event based on
1D-EQL analysis of ground motion. (b) For the same event damage assessment of water
mains system (breaks, leaks) applying the PGV approach (O'Rourke and Ayala, 1993)

Fig. 18.15. (a) Computed PGV values in Duzce for the M w 7

Fig. 18.16. Variation ofmaximum shear strains PGS s in thetop 15m. Input motion:
deconvolution of Duzce Nov. 12, 1999 record, at the Meteorological Station—EW
component