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212 SECTION 2 STRENGTHENING AND REPAIR WORK
Table 5.3 Classifi cation of live load vehicles.
State Permit State Maximum Legal
Limit State Load Case LRFD Live Load Analysis Live Load Analysis Live Load Analysis
Strength I HL-93, H-20, HS-20 N/A ML-80
Strength II H-20, HS-20 Permit Load ML-80
Strength III N/A N/A N/A
Strength IV N/A N/A N/A
Strength V HL-93, H-20, HS-20 N/A ML-80
Service II HL-93, H-20, HS-20 N/A ML-80
Fatigue Fatigue vehicle Fatigue vehicle Fatigue vehicle
Defl ection Defl ection vehicle N/A N/A
Construction/Uncured Slab User defi ned User defi ned User defi ned
Ratings HL-93, H-20, HS-20 Permit load ML-80
Figure 5.14 Truck and alternate loads for maximum defl ection.
Figure 5.15 Pennsylvania 8-axle permit load (P-82).