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HeidelbergCement develops compound for UHPC

Published by , Editorial Assistant
World Cement,

More and more complex architectural specifications and the desire for lean structures require the design of new, high performance building materials. Ultra-high performance concrete (UHPC) is a milestone in the development of concrete building materials.

HeidelbergCement has stated that UHPC stands out for its high compressive strength, dense structure, and good durability properties. This creates the prerequisite for a material-saving, weight-reduced, and slim concrete construction, which opens up new possibilities for the implementation of complex architectural and technical specifications. The result is filigree, durable, and resistant components, such as stairs, balconies, and bridges.

HeidelbergCement has developed two binder premixes (or compounds) for UHPC, which meet a wide range of technical and design requirements. Effix Plus is a compound for self-compacting, ultra-high strength concretes. It consists of high-quality grey cement, additives, rock flours, and sands with optimised grading curve and packing density. Thanks to short mixing times and high flowability, the compound enables the simple production of UHPCs. Thus, it offers advantages for precast producers, but also for architects due to the versatile application and design possibilities.

Effix Arca is a compound for flowable, self-compacting cement-based concretes with very high strength. It enables the production of filigree components, plates, or façade elements with small thickness, which at the same time offer a virtually pore-free surface quality and outstanding appearance resistance.

In the summer of 2018, Effix Plus was used for the first time in Germany for the superstructure renewal of a railway bridge. The superstructure over the Dürnbach of the Tegernsee-Bahn in Gmund was renewed within a few days with a UPHC prefabricated part of the company Max Bögl.

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Heidelberg Cement news European cement news Cement news 2018