6、ection.ThetransverseandverticalcomponentsofthegroundaccelerationsrecordedduringtheKoynaearthquakeareshownin Figure2.1.15–3 (unitsof g =9.81 m sec–2).Priortotheearthquakeexcitation,thedamissubjectedtogravityloadingduetoitsself-weightandtothehydrostaticpressureofthereservoironth