Rigid Pavements: Objective, Advantage, Disadvantage, Components, and Affecting Factors

Rigid Pavements

Rigid Pavements are those which possess noteworthy flexural strength or flexural rigidity. The rigid pavements are generally made of Portland Cement Concrete (CC) and are therefore called ‘CC Pavements’. Plain cement concrete pavements slabs made of specified strength characteristics are laid, with or without steel reinforcement at the joints.

The most common material used for the design and construction of rigid pavements is high-quality plain cement concrete meant for the pavement, generally called ‘Pavement Quality Concrete’ (PQC). The CC pavement slabs made of PQC are generally expected to sustain up to 45kg/cm2 of flexural stresses.

Objective of Rigid Pavements

In the case of Rigid Pavements, the design is essentially based on the flexural strength of the CC pavement slab that is considered in the design and the stresses that are likely to develop due to:
1. The application of the anticipated wheel loads
2. The climate variables in the region

The CC pavement is to be designed so as to sustain the expected wheel loads during the design life. Therefore it is necessary to carry out axle load distribution studies and to determine the design wheel load based on the spectrum of wheel loads on the road. The CC pavement has to withstand the fatigue caused by the repeated application of the loads exceeding the design wheel load during the design life.

Advantage of Rigid Pavements

  • CC pavements do not get deteriorated under wet weather conditions and when exposed to stagnant water.
  • CC pavements of major roads are generally designed and constructed for 30 year period and therefore the service life could be 30 years or even more. The routine and periodic maintenance costs are very low as the maintenance of joints only are required.
  • The life cycle cost of CC pavements is much lower than that of flexible pavements.
  • The total thickness of CC pavement and the number of hard aggregates required is lower than flexible pavements, particularly for the construction of highways passing through weak soils and carrying heavy traffic loads.
  • Good night visibility even under wet weather conditions..

Disadvantage of Rigid Pavements

  • The design of CC pavement is to be carried out for a life of 30 years or more in order to reduce the life cycle cost.
  • The ‘design wheel load’ for the design of CC pavement is not equal to the standard wheel load.
  • It is not possible to restore a failed or badly cracked CC pavement.
  • The surface of the CC pavement is likely to become too smooth and slippery during the long service life and re-texturing of the CC pavement is difficult or too expensive.
  • Generally, a long curing period of 28 days is required before opening to traffic. This may be a drawback for the construction of CC pavements on busy urban roads.
Rigid Pavements: Objective, Advantage, Disadvantage, Components, and Affecting Factors

Components of Rigid Pavements

  • Compacted Soil Subgrade at the bottom or lowest layer
  • Granular Sub-base (GSB) course and drainage layer
  • BAse Course
  • CC/PQC Pavement slab

Affecting Factors of Rigid Pavements

  • Wheel Load
  • Temperature variations at the location of the road
  • Types of joints and their spacing
  • Subgrade and the other supporting layers below the CC pavement slab
  • Drainage characteristics

Also Read-
What do you know about Highway Construction? Let’s Check it out!
6 Important Question on Tar (Highway Material)
7 Important questions on Bituminous Materials
Grade Separated Structures: LVUP, VUP, SVUP, and More


  1. My brother suggested I might like this website. He was entirely right. This post actually made my day. You can not imagine just how much time I had spent for this info! Thanks!

  2. Nice post. I be taught something more difficult on completely different blogs everyday. It can at all times be stimulating to learn content from different writers and observe just a little something from their store. I’d choose to use some with the content on my weblog whether or not you don’t mind. Natually I’ll provide you with a link on your internet blog. Thanks for sharing.

  3. Hi, I saw a 3 of your attention-grabbing posted posts and wished to ask if you happen to can be concerned about reciprocal pages? Staff have weblog about alexis texas ass! Anyway, in my language, there are not much good source like this.

  4. I must admit that this is one great insight. It surely gives a company the opportunity to get in on the ground floor and really take part in creating something special and tailored to their needs.

  5. Ive been meaning to read this and just never obtained a chance. Its an issue that Im incredibly interested in, I just started reading and Im glad I did. Youre a terrific blogger, one of the best that Ive seen. This blog certainly has some info on topic that I just wasnt aware of. Thanks for bringing this stuff to light.

  6. Nice weblog right here! Also your web site rather a lot up very fast!
    What web host are you using? Can I am getting your affiliate
    link in your host? I desire my web site loaded up
    as quickly as yours lol asmr 0mniartist

  7. Terrific article! That is the type of info that are supposed to
    be shared across the internet. Disgrace on Google for not positioning this put
    up higher! Come on over and talk over with my site . Thanks =) 0mniartist asmr

  8. Pretty component to content. I simply stumbled upon your site and in accession capital to say that
    I acquire actually loved account your blog posts. Any way I will
    be subscribing in your augment and even I achievement you access persistently quickly.
    asmr 0mniartist

  9. Just now you can branch out from your daily understanding. The best thing you can do is become relevant with yourself and faithful with your own morals. This will lead to a sad and unfulfilling life.

Leave a Reply

Your email address will not be published. Required fields are marked *