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Liège, Belgium

Espion B.,Free University of Colombia | Rammer Y.,Free University of Colombia | Hellebois A.,Bureau Greisch | Provost M.,ORIGIN Architecture and Engineering
IABSE Conference, Geneva 2015: Structural Engineering: Providing Solutions to Global Challenges - Report | Year: 2015

The paper will illustrate the contribution of research into Construction History in condition assessment or residual carrying capacity situations for three old types of concrete constructions. We will address: - the problem of assessing the actual carrying capacity of "Hennebique" reinforced concrete type beams with their characteristic reinforcement system, widespread in many countries before the First World War. - the replacement of the external post-tensioning tendons within a hollow box girder railway bridge built in the early 1960s with the "Blaton-Magnel" anchorage system developed in Belgium from 1941 onwards, and used until the early 1960s, in Belgium and abroad. - the structural assessment of thin concrete hyperbolic paraboloid shells, which were highly popular with architects and engineers in 1950s-1960s.

Cremer J.-M.,Bureau Greisch | De Ville De Goyet V.,Bureau Greisch | Counasse C.,Bureau Greisch | Duchene Y.,Bureau Greisch | Fagnoul V.,Bureau Greisch
Stahlbau | Year: 2011

In Liège, the existing railway infrastructure was not capable of being properly used by high-speed trains. A number of elements handicapped the site of the old station: curved platforms that were too narrow, an approach speed to the station that was too low, numerous track intersections and poor positioning of the BrusselsGermany line, even though it carries the most traffic. In comparison with the old building, the route through the new station has been moved 150 m in order to meet two requirements: - to enable straight platforms which make it easier for trains to enter and leave the station and for passengers to embark and disembark; - to establish a harmonious link between the station and the nearby motorway network. This link with the motorway network is provided by a bridge and a viaduct, designed by Santiago Calatrava. This Hillside entrance to the station has the advantage of the availability of a carpark with 600 parking spaces, immediately next to the platforms. The station now has nine tracks and five platforms 8 m wide, thus allowing people to move around more freely. Three of the platforms, 450 m long, can accommodate double-unit HSR units. © Ernst & Sohn Verlag für Architektur und technische Wissenschaften GmbH & Co. KG, Berlin.

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