Portland cement concrete

{
  "id": "MLC-T-ENV-021664",
  "term": "Portland cement concrete",
  "field": "Environment",
  "term_source": "Portland Cement Concrete",
  "definition": "1. Concrete is a hardened mixture of portland cement, sand, and coarse aggregate. Waste materials like fly ash, slag and plastic fibers can also be used in the concrete mixture. These materials are mixed with water, installed between specially constructed forms, then allowed to dry and cure for as long as several days. The addition of various polymers and other additives to the pavement mix can increase pavement strength and decrease the curing time to 12 hours.\n\n2. Pavements consisting of a PCC slab that is usually supported by a granular (made of compacted aggregate) base or sub base.",
  "abbreviation": "PCC",
  "subject": "Built environments",
  "references": [
    "Heat Island Effect Glossary",
    "40 CFR 273.9 (CFR 2013)"
  ],
  "url": "https://mlchart.com/terminology/environment/portland-cement-concrete/"
}