Concrete is basically a mixture of aggregates and paste. The aggregates are sand and gravel or crushed stone; the paste is water and cement. Portland cement is not a brand name, but the generic term for the type of cement used in virtually all concrete, just as stainless is a […]
Diane Warner with the Northwest Cement Council talks with one of 350 attendees at the 10th annual Portland CSI/AIA 2018 Industry Forum in Portland, OR on March 8, 2018.