difference between rigid and flexible pavement

 

 Difference Between Rigid and Flexible Pavement

Flexible Pavements		Rigid Pavements
1.	Load transfer grain to grain	Slab takes the load
2.	Initial cost is low	Initial cost is high
3.	Life span is less approx 15 years	Life span is high approx 30 years
4.	Maintenance Cost is high	Maintenance cost is low
5.	Repair work is Easy	Repair work is hard
6.	Less durability to weathering agencies	High durability
7.	Joints are not required	Joints are required
8.	No Required of curing	Required much curing
9.	Less visibility	High visibility
10.	High quality of subgrade required	Good subgrade is not required
11.	Temperature variation has no any effect on the stress variation	Temperature variation effects the stress variation
12.	Thickness is more	Thickness is less
13.	Easy to locate underground work like pipe, Sewer pipe	Difficult to locate like pipe etc.
14.	Design is depends upon subgrade strength.	Design is not depends upon subgrade strength.