Cement Association Questions Allowance of Taller Wood Buildings

The Cement Association of Canada (CAC) calls the decision of the Quebec government to bypass the usual rigourous building code development process questionable, as it allows the construction of taller wood buildings on the basis of a guide developed by the Régie du bâtiment du Québec and FPInnovations, a private research center dedicated to supporting the Canadian forest industry. The…

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Cement Shipments Continue to Rise

Total shipments of portland and blended cement in the United States and Puerto Rico in June 2015 were about 8.9 million metric tons (Mt), up by 7.6 percent from the level in June 2014, according to the most recent USGS Mineral Industry Survey. Shipments for the year through June totaled 40.8 Mt, up by 3.6 percent from the same period…

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CalPortland, Martin Marietta Announce Deal

A $420 million asset deal with Martin Marietta Materials, anchored by the former TXI Oro Grande plant, will enable Glendora, Calif.-based CalPortland Co. to replace capacity from its idled Colton mill – about 35 miles south – and strengthen a home state, integrated cement and concrete platform. Coupled with Stockton and San Diego terminals, the plant will contribute to what…

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Martin Engineering Air Cannon Resolves Hopper Clogging

64 Martin 150

Martin Engineering designed an innovative solution to address ratholing and clogging of limestone dust in the main hopper at CRH Roadstone’s Waterford facility in Ireland. Before implementing the changes, limestone dust extracted from the quarry was screened and loaded into the hopper, where gradual build-up left just a center hole for discharge, seriously affecting production. Regular clearing of the obstruction…

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