Construction Techniques

When building or rehabilitating roads, poor soil conditions can quickly turn a solid plan into a maintenance headache. Stabilizing subgrade soils improves load-bearing capacity, reduces swelling, and extends pavement life, but choosing the right method depends on local soil properties, climate, envi…

A “long-life” or perpetual asphalt pavement is engineered so that the bottom of the asphalt structure never experiences fatigue cracking during its design life (often > 50 years). When distress finally appears, it is confined to the upper few inches and can be removed with a mill-and-…

Picking the Right Rebuild Strategy for Worn-Out Pavements Why These Two Methods Dominate Heavy-Rebuild Work When pavement distress goes beyond what crack sealing, patching, or mill-and-overlay can handle, agencies usually narrow the field to two heavyweight contenders: Approach Core Idea Typical Dep…