Recycling is an activity that can have favorable impacts on pavement sustainability. Name 2 impacts.

Porous Friction Courses (PFCs) consist of very coarse “open” gradation, in which materials passing certain sieve sizes are missing. The aggregates should be durable, rough textured, and resistant to abrasion and polish.

Recycled asphalt pavement (RAP) is the 5th largest recycled material in tons in the United States.

The three pillars of sustainability are: social equity (people), environment (planet), and economy (profit).

Keeping in mind what you know about the concept of sustainability in general, if you were appointed to a high federal level position overseeing tribal communities, how would you close the social equity gap? Be creative.

In jointed plain concrete pavement (JPCP), no slab reinforcement is used except for dowel bars placed at transverse joints or tie bars at longitudinal joints.

In Green Highway discussion, elaborate on the concept of environmental stewardship and environmental streamlining. Q8 Essay pic.png

In Continuously Reinforced Concrete Pavements (CRCP), punchout is a major distress potential especially for low percentage of steel reinforcement.

Contrast between the dry process and the wet process of adding crumb rubber to the asphalt mix.

This process of keeping an inventory of condition and selecting pavements for rehabilitation is called pavement management.