Which of the following is generally not affected by water intrusion in pavement? a. Pore pressure buildup due to traffic b. Damage due to freeze-thaw cycles c. Transverse cracking d. Heaving in problematic subgrades e. Pumping of fines
Water seeping into a pavement's base through minute surface fractures and fissures increases the likelihood of damage. Scaling is caused by water standing water on roads with low altitudes, which causes cement in the aggregates to break down. This enables water to seep down to the base, losing density as it becomes compacted and forming a hollow underneath that may eventually cause the pavement to crack under the weight of regular automobile activity.
The migration of people and commodities on highways is made easier and provides access to many different regions of the world. Highway pavement is indeed a crucial aspect of the entire transport network.
It needs to be properly serviced and maintained on time because of its extreme value. If not, a number of issues might develop and eventually cause the pavement to crumble.
Numerous variables, including high vehicle stress, solar exposure, water penetration, uneven expansion as well as compression due to seasonal variations, etc., may contribute to pavement collapse.
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