Turbine blade recycling process yields concrete-grade fiber

Source: Travero, Cedar Rapids, Iowa Iowa-based Regen Fiber has announced a patent-pending process to recycle wind turbine blades into concrete or mortar reinforcing fiber. The company’s namesake product increases the strength and durability of pavement, slabs on grade and precast elements. Regen Fiber also produces microfibers and additives from blade components for use in a range of composite, concrete, soil…

Read More

LafargeHolcim, GE unit team on 3D-printed wind turbine pedestals

Sources: LafargeHolcim Ltd., Zurich; CP staff

The latest target in a LafargeHolcim investigation of 3D-printed concrete elements or structures is a pedestal for a new class of turbines, 150-200 meters high, that have the potential to harness one-third or more energy than the shorter towers dotting wind farms the world over.  

Read More

Foundation end use determines state’s taxing of ready mixed and rebar

Source: Ryan LLC, Dallas

Missouri provides contrasting outcomes regarding the application of sales tax to purchases of concrete for foundations. The Missouri Department of Revenue’s mid-February Letter Ruling 7780 concludes that a taxpayer’s purchase of ready mixed and rebar used to construct wind turbine tower foundations qualifies for the sales tax exemption covering machinery and equipment used in manufacturing.

Read More