Mix Design

Barnard Construction and its partners built the nation’s tallest asphalt core dam at Colorado’s Chimney Hollow Reservoir using an on-site quarry, crushing operation, aggregate processing facility and asphalt plant.

Balanced mix design airfield asphalt testing helps agencies and contractors improve rutting performance, durability and long-term runway reliability.

Learn an analytical procedure to estimate optimum asphalt content (OAC) using familiar volumetric equations and fewer samples, simplifying mix design.

BATT’s groundbreaking million‑cycle aggregate polishing test reveals how extended lab polishing affects friction performance, challenging assumptions about limestone and silica‑based aggregates.

As asphalt labs face the mandated phase‑out of trichloroethylene (TCE), this article outlines what labs must do next and how to navigate changes in solvent‑based testing.

This compliance checklist helps asphalt labs meet the EPA’s phase-out deadlines for TCE use in binder testing and recovery.

The CRH Mabry Highway project shows how Preferred Materials used RAP, smart rollers, and AI to deliver award-winning, circular pavement results.