Sources: American Society of Concrete Contractors, St. Louis; CP staff The American Society of Concrete Contractors has kicked off a members-only “ALERT!” bulletin series with a look at portland-limestone cement concrete mixes. The two-page document reminds Society members how any new mix ingredient can trigger changes in concrete performance; lists variations contractors have reported with PLC mix loads; offers finishing…Read More
Sources: Ernest Industries, Springfield, Ohio; CP staff Ernest Industries teamed with Isuzu Motors America for a ConExpo-Con/Agg & IFPE debut of the Shortstop 2 Concrete Mixer. Mounted on a Class 5 Isuzu NRR cabover, the 2-yd., 19,000-lb. GVW model is configured for ready mixed producers, concrete contractors or municipalities seeking to economize small load deliveries. The Shortstop 2 has an…Read More
Master Builders Solutions has entered into an exclusive agreement with Command Alkon to be the sole third-party reseller of the COMMANDassurance in-transit concrete monitoring system for ready mixed producers in the U.S. and Canada. A drum-mounted probe at the core of system provides real-time slump, temperature and volume data for site-bound concrete. COMMANDassurance takes measurements from direct mixture contact versus…Read More
Data behind a new National Ready Mixed Concrete Association life cycle assessment report for cast-in-place concrete shows how ready mixed producers, through more efficient use of portland cement, have cut the respective carbon footprints of 4,000- and 8,000-psi orders by 13 percent and 20 percent since 2014. Armed with results from a survey of 155 member producers operating 1,954 ready mixed plants, the association analyzed data on material throughput and other metrics reflecting net energy consumption in slabs or structures.Read More
Sources: National Ready Mixed Concrete Association, Silver Spring, Md.
Based on April Producer Confidence Survey responses, NRMCA’s latest industry confidence index reached a 75.1 level for the first quarter of 2015—amid a stock market at historic highs, positive companion economic indicators, and shipment figures showing 2014 as the first year since 2008 where U.S. per capita ready mixed concrete consumption eclipsed one yard.Read More
In an overview for ready mixed producers on the reorganized ACI-318, Building Code Requirements for Structural Concrete, NRMCA Senior Vice President, Engineering Colin Lobo notes how the just-released version: consolidates concrete mixture-specific references from 318-11 Chapters 3 (Materials), 4 (Durability) and 5 (Strength and Construction Issues) into new Chapters 19 (Concrete: Design and Durability Requirements) and 26 (Construction Documents and Inspection). The reorganization of these sections permitted an evaluation and elimination of some Code provisions related to concrete mixtures and construction when better addressed in other referenced standards.Read More
A leader in bringing building information modeling (BIM) software and online tools to the architectural, engineering and construction markets, Tekla Inc. has included in its latest version of 3D modeling software, Tekla Structures 19, a new graphic feature to help contractors and ready mixed producers plan concrete orders in optimal delivery sequences.Read More