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Equipment and Production Techniques with UHPC

Lafarge North America, T2W 4Y1, Calgary, Alberta, Canada


In the last issue of CPI, Lafarge provided an introduction to “Working with Ductal Ultra-High Performance Concrete” (UHPC). The following is the second part of a series of related articles on this topic. In this installment – Lafarge will provide details covering the various batching, forming, placing and curing techniques that are required for successful manufacturing of precast elements using UHPC. Ductal is a family of Ultra-High Performance Concrete (UHPC) products. The appropriate formulation is selected based on the application and performance requirements by its end use and by the customer. When selecting a Ductal product, determining factors include strength, ductility, exposure to corrosive agents, desired aesthetics and exposure to human contact. Two different types of fibers are typically used to manufacture end products using Ductal; high carbon metallic or poly-vinyl alcohol (PVA) fibers. The fiber and UHPC formulation are customized to best fit the application requirements. Various rheologies (from dry cast to self-leveling) and curing techniques facilitate different product capabilities which are suitable for a range of precast applications.

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Lafarge North America
10655 Southport Road SW., Suite 1200
T2W 4Y1, Calgary, Alberta, Canada
T +1 403 271 9110 · F +1 403 278 7420

CPi worldwide journals are trade journals for the concrete and precast concrete industry that are published in 10 different language editions in more than 170 countries. These trade journals, with their practical editorial reporting on research, production and applications, are specifically addressing the decision makers of the concrete and precast concrete industry.

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