Concrete Products

JUL 2017

Concrete Products covers the issues that attract producers of ready mixed and manufactured concrete focusing on equipment and material technology, market development and management topics.

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Page 48 of 107 July 2017 • 47 COVER STORY MCINNIS CEMENT Graded limestone plus silica, alumina and iron materials exit the pre-heater tower at 300°C after 10 minutes, entering the 17-ft. diameter, 246-ft. long kiln, (shown above from the west) for a 20-minute residence time at 1,000°C. Partially cooled clinker then travels to one of the three 40,000-tonne silos. WAREHOUSE, KILN, LAB PHOTOS: Concrete Products Alongside two cement labs in the administration building (forward the kiln) is a full-bore concrete lab, capable of validating mix de- signs based on McInnis Type I/II low or moderate alkali and Type III cements plus aggregates from Great Lakes, Northeast and Mid-At- lantic regions.

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