Farmington Hills, Mich. (November 10, 2016) The American Concrete Institute announces the availability of a new report for concrete industry professionals: ACI ITG-9R-16, "Report on Design of Concrete Wind Turbine Towers."This report examines the design of concrete towers for land-based wind turbines with heights in excess of 325 ft, including construction alternatives, design criteria, design methodologies, and guidance for preliminary design of concrete towers. Additional content on maximum wi...