Precast elements in bridge construction

Opportunities and methods to accelerate the construction­ process

Maintaining federal highways in good condition is one of the primary objectives to ensure the mobility that Germany requires in the long term to retain its attractiveness for businesses. Bridges are critical components of this infrastructure. They have long surpassed their intended service lives and require a significant amount of maintenance and strengthening in order to withstand current and expected future traffic levels. The maintenance strategy includes not only urgently required measures to improve their condition but also activities to strengthen or replace them either in part or...

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Issue 02/2021

Balanced-lift method for prestressed concrete bridges – 25 % lower cost compared to steel-concrete composite bridges

The first-time application of the balanced-lift method for the bridges over the Lahnbach and Lafnitz rivers in Austria proved that these prestressed concrete bridges with 2.0?m high bridge girders...

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Issue 06/2023

Market potential for precast bridges – resource-saving employment of UHPFRC precast segments

The majority of concrete bridges in use in Germany are in extremely poor condition and must be replaced in the near future. The construction of new build bridges, however, entails immense CO2...

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Issue 02/2020 Modular concrete construction

Development of an innovative modular bridge

In Germany, modular bridge construction methods have so far been applied only to a limited extent compared to other European countries or North America. However, public road authorities are...

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Issue 12/2020 ZEMENT+BETON

Global innovation in bridge construction

With the type of „folding bridge“ developed at TU Wien another Austrian innovation does exist that saves costs and time in the implementation of infrastructure projects. Two bridges are being...

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Issue 03/2021 KLEIHUES BETONBAUTEILE

Faster construction with precast elements – Railway bridge near Steinfurt

The rehabilitation of railway bridges is generally focusing on one central objective: In order to reduce disruptions of the rail traffic to a minimum, the line closures, during which the rail traffic...

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