ACI loads 2021 Collection of Concrete Codes, Specifications, and Practices

Sources: American Concrete Institute, Farmington Hills, Mich.; CP staff Available as an online subscription, a USB drive or nine-volume print version, the ACI Collection is the most comprehensive and largest single source of information on concrete design, construction, materials, and repair, with nearly 50 codes and specifications and more than 200 practices, including all guides and reports. 

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PRODUCERS – NOVEMBER 2018

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Amcon acquires Concrete Materials unit masonry plants

Source: TCC Materials, Mendota Heights, Minn.

A deal with Sweetman Construction Co., dba Concrete Materials, has netted TCC Materials’ Amcon Concrete Products business block plants in Harrisburg, S.D., and Worthington, Minn. They join a network of concrete masonry and hardscape unit plants in Medford, St. Cloud and St. Joseph, Minn., plus Rapid City, S.D.

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Proposed ASTM C09 standard tackles mix material incompatibility

Sources: ASTM International, West Conshohocken, Pa.; CP staff

A working document under ASTM Committee C09 on Concrete and Concrete Aggregates—ASTM WK40615, Practice for Mixing and Comparing Performance of Concrete Materials Using Mini-Mix Mortar Mixtures—enables technologists to detect and address incompatibility issues arising in mix design development.

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