We normally do that for three critical locations i.e.

Stresses due to loading condition – We can calculate wheel load stress with the help of Westergaard’s equation for stress.

So, the design of the rigid pavement deals with two basic types of stresses. The load-carrying capacity of the rigid pavement is because of the rigidity or high modulus of elasticity.

See Also: Camber in road construction, Types, and Advantages Stresses in rigid-pavement The designer has to play around thickness of the slab as well as the mix design or compressive strength of concrete. Lean concrete (only for reinforced rigid pavement)įor designing the rigid pavement, you have to estimate the thickness of the slab depending on the density of traffic and normal loading conditions.The typical details of the rigid pavement include: That is the reason why most of the pavements for truck lanes or HTV type traffic make use of rigid pavements instead of the flexible pavement. Upon loading, rigid pavement deflects very little due to high modulus of elasticity of the concrete. It turns out as a durable and long-lasting wearing surface with strong base. The type of the pavement offers high overall flexural strength. But in cases where loading needs more flexural strength or there are chances of temperature cracks, we can provide reinforcement mesh in both ways of the slab. Normally, civil engineers construct rigid pavement with un-reinforced or plain cement concrete. So, rigid pavement is an ideal pick if you have poor bearing soil or the loading is heavy.

The rigid slab bridges the low-bearing or poor compacted soil. A rigid pavement, as the name implies, is a type of pavement that stays like a rigid slab under the loading.

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