Plate Load Test & Thickness of Flexible Pavement

Flash card

Spacing of Bars in Concrete Pavements

The distance between reinforcing bars in concrete pavements, designed to control cracking and ensure even load distribution.

Plate Load Test Method

A field test that measures soil bearing capacity by applying a load to a steel plate and recording the settlement.

Traffic Index

A numerical value representing expected traffic loads over time, used to determine pavement thickness.

Residual Stress

Residual Stress refers to stress that remains in a concrete element after the material has hardened, often resulting from shrinkage, thermal changes, or external loading conditions.

Warping Stress

Warping Stress is the stress induced in a pavement slab due to temperature variations across its thickness, leading to curling or deformation of the slab.

Edge Load Stress

Stress that occurs when a wheel load is applied near the edge of a concrete slab, where support is weaker.

Stress Due to Corner Load in Pavements

The stress at the corner of a slab when loaded, usually the most critical and likely to cause cracking.

Thickness of Flexible Pavement

It is crucial for load distribution, moisture control, and overall pavement performance.

Equivalent Thickness of Gravel of a Bituminous Concrete Surface

A comparison of a bituminous surface’s strength to an equal thickness of gravel that would perform similarly.

Thickness of Sub-base of Flexible Pavement

The depth of the sub-base layer, which supports the base and surface layers and improves drainage and load spreading.

Thickness of Pavement Using Expansion Pressure Method

Pavement thickness calculated based on soil swelling pressure caused by moisture changes.

Stiffness Factor

A value indicating how resistant a material is to bending or deformation under load.