Sources: ASTM International, West Conshohocken, Pa.; CP staff The latest document from ASTM Committee D04 on Road and Paving Materials, D8021, Standard Guide for Blast Furnace and Steel Furnace Slag as Produced During the Manufacture of Iron and Steel, assists manufacturers, regulatory bodies and consumers in raw slag characterization.Read More
Sources: ASTM International, West Conshohocken, Pa.; CP staff ASTM C13 Committee on Concrete Pipe has approved a first of its kind performance measurement: C1904 Standard Test Methods for Determination of the Effects of Biogenic Acidification on Concrete Antimicrobial Additives and/or Concrete Products. The document is vital to concrete pipe and sanitary sewer structure producers as it will augment development of…Read More
Sources: ASTM International, West Conshohocken, Pa.; CP staff
ASTM Committee C09 on Concrete and Concrete Aggregates’ latest standard, C1797, Specification for Ground Calcium Carbonate and Aggregate Mineral Fillers for Use in Hydraulic Cement Concrete, addresses limestone and similar materials exhibiting potential to improve mix characteristics and hardened structure performance.Read More
Source: American High-Performance Buildings Coalition (AHPBC), Washington, D.C.
Chemical and building materials interests issued a statement responding to the U.S. General Services Administration’s recommendation of the Green Building Initiative’s Green Globes 2010 and U.S. Green Building Council’s Leadership in Energy and Environmental Design (LEED) 2009 as third party certification systems:Read More
Sources: Skanska USA, New York; CP staff
Major heavy civil and general contractor Skanska USA resigned its U.S. Chamber of Commerce membership to protest the group’s support of the American High-Performance Building Coalition (AHPBC), which is lobbying federal lawmakers to limit government projects to green building rating systems developed with consensus-based standards.Read More