GRAITEC Inc. News

GRAITEC Inc. News






02/07/2008

Longest cable stayed bridge in Germany


The Niederwartha cable stayed bridge in Meißen, Germany is the first cable stayed bridge in Saxonia and the longest in Germany. The bridge was constructed by Plauen Stahl Technologie GmbH using Advance Steel.

The construction of the new street S 84 in Meißen, Germany will involve the construction of the Niederwartha cable stayed bridge over the Elbe river. The bridge will be established downstream next to the already existing railway bridge and, therefore, will harmonically adapt to the landscape. The construction will have a total length of 366 meters. With its main span of 192 meters, the Niederwartha bridge will have the biggest span in Saxonia, East Germany. The construction consists of 1232 tons of steel. It includes an accessible 77-meter high pylon, 36 steel cables and a carriageway slab out of reinforced concrete. The steel cables are connected to the pylon and serve as an attachment to the road.

The bridge will consist of two lanes for cars, one pavement and one bikeway.
Longest cable stayed bridge in Germany. Advance Steel: Professional Steel Detailing Software Solution for AutoCAD Longest cable stayed bridge in Germany. Advance Steel: Professional Steel Detailing Software Solution for AutoCAD

First, the bridge was created in a 3D model to define the amount of steel. For the exact definition and creation of the single steel components, welding preparation and folded plates were created in the model. Another important point was the creation and marking of bills of materials and NC-files in the DStV-format.

Next, workshop drawings were created for the assembly of single components. The longitudinal beams were generated in a cambered state in a specified form, which is free from tension due to careful consideration of the collision check, single components and groups.

The single steel components are pre-assembled by using the drawings to create single element groups. The groups are assembled into single shots. A shot is divided into a cable crossbeam and a normal crossbeam as well as into two longitudinal girders. Finally, the shots are assembled on-site.
"In Advance Steel, the creation of models as well as the parts lists and NC-data in the DStV-format can be established in a modular way.

Since we fabricate steel constructions on our own, the creation of exact geometry and of NC-data from the model is very important for our project. As a result, the construction is made much easier for us.

The low error-rate and the very good capability of the drawing updates provide us with a clearer and more exact construction.

We are very satisfied with Advance Steel and the use of this software was a complete success for our work," emphasizes Frank Streit, construction engineer, Plauen Stahl Technologie GmbH.
  Longest cable stayed bridge in Germany. Advance Steel: Professional Steel Detailing Software Solution for AutoCAD

Advance Steel can be used directly. The modern and clear software user interface is easy to learn and the software provides a library of steel units, an automatic collision check, parts lists, NC-data and a first-class capability of 3D modeling.

Longest cable stayed bridge in Germany. Advance Steel: Professional Steel Detailing Software Solution for AutoCAD   Longest cable stayed bridge in Germany. Advance Steel: Professional Steel Detailing Software Solution for AutoCAD
About Plauen Stahl Technologie GmbH:

Plauen Stahl Technologie GmbH has 160 employees and a capacity of approximately 20.000 tons of steel constructions every year. Therefore, the company is one of the most powerful companies for steel construction in Germany. It is a specialist in planning, fabrication and assembly for steel constructions of all types; for example, architectural steel structure, composite construction, construction of generating stations, halls and hangars, environmental and industrial engineering, and bridge building. Some of its reference projects are the bridge over the Rhein River in Düsseldorf-Flöhe and Ilverich, the fair in Hamburg and the fair in Düsseldorf hall 8b.