1.1 D=Dead/Gravity Loads 1.2 Po=Normal Operating Pressure : 전 면적 최소 10psf 하중 작용 1.3 W=Wind Loads : 최소 35m/sec 풍속 및 노풍도 ‘D‘ 1.4 E=Seismic Load(Safe Shutdown Earthquake(SSE)) 1.5 Wt=Missile Loads due to Wind
2.1 Normal combination =1.0 KEPIC SGC allowable 1.0 D + 1.0Po 2.2 Severe environmental loading condition = 1.33 KEPIC SGC allowable 1.0 D + 1.0 Po + 1.0 W 2.3 Extreme environmental loading condition = 1.6 KEPIC SGC allowable 1.0 D + 1.0 Po + 1.0 ESSE 1.0 D + 1.0 Po + 1.0 Wt 3. Safe Shutdown Earthquake - Damping Factor 4%