Backgrounds and scientific support

Dürnbach bridge pilot project – Germany’s first precast railway bridge made of UHPC, part 1

Ultra-high performance fiber-reinforced concrete (UHPFRC) is characterized by an extremely dense structure and thus very high strengths as well as excellent durability properties. This enables slender construction in a material-saving and weight-reduced way, opening up completely new possibilities and applications in the field of precast concrete construction.

In the course of the renewal of the superstructure of an existing railway bridge of the Tegernseebahn network, the material could be used for the first time particularly purposeful and advantageous for the construction of a railway...

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Issue 03/2025

Repair and new construction using precast UHPFRC elements in the Deutsche Bahn railway network

Maintaining our infrastructure is one of the most important tasks and challenges of our time. When it comes to deciding between new construction or maintenance within the rail infrastructure of the...

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Issue 02/2017 Potentials for the precast industry

Bridge construction with UHPFRC precast elements

Stringent requirements for bridge structures due to rising traffic volumes, accompanied by the age structure of bridges in Germany, are calling for fast construction of new and replacement structures....

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Issue 05/2024

Ultra-High Performance Concrete (UHPFRC): Practical experiences of executed projects

Implenia executed its first projects in Germany in 2023 based on Swiss SIA 2052 standard. To date, the repair of bus lanes or the production of precast concrete components as prototypes for...

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Issue 03/2025

Repair and upgrade of a trough structure using ultra-high-performance fiber-reinforced concrete (UHPFRC)

Ultra-high-performance fiber-reinforced concrete is a purely mineral concrete matrix mixed with steel fibers. In Switzerland, it is one of the standardized, widely used building materials. Based on...

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Issue 03/2012

New materials and designs transferred to practice

The use of non-corroding technical textiles, such as alkali-resistant (AR) glass or carbon, enables a significant reduction in the concrete covers required in reinforced concrete construction in order...

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