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Balanced Mix Design Guidance

A common question in Balanced Mix Design (BMD) is: How will changes applied to meet requirements impact my mix? 

This table outlines the relative Engineering (performance), Economic, and Environmental effects of specific strategies available to the contractor.

  • Engineering reflects changes in mix quality and resistance to distress.
  • Economic shows cost impacts.
  • Environmental indicates changes in carbon footprint.

An overall ranking of Practicality is provided for each. Additional considerations and resources – including linked documents and Hey NAPA chats – are available for each area.

three tables showing strategies for rutting, cracking, and moisture resistance