AIRPORT PLANNING MANUAL RIGID PAVEMENT SUBGRADES NOTES: H38 x 13−18 TIRE SIZE 2 TIRE PRESSURE 9.14 kgf/cm (130 psi) (UNLOADED) 25 20 15 3 3 ULTRA LOW−k=20 MN/m (75 lb/in ) 10 3 3 LOW−k=40 MN/m (150 lb/in ) 3 3 MEDIUM−k=80 MN/m (300 lb/in ) 3 3 HIGH−k=150 MN/m (550 lb/in ) 5 AIRCRAFT CLASSIFICATION NUMBER−ACN MAXIMUM RAMP WEIGHT 0 20000 22000 24000 26000 28000 30000 32000 34000 36000 38000 37360 AIRCRAFT GROSS WEIGHT−kg 44000 48000 52000 56000 60000 64000 68000 72000 76000 80000 84000 AIRCRAFT GROSS WEIGHT−lb EM170APM070003A.DGN ACNFor Rigid Pavement Figure 7.18 EFFECTIVITY: EMBRAER170LRORSUORSE Section 7 ACFTMODEL Page 7-24 Oct 06/11 w-apm1346