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05. Dezember 2014

Structural Concrete Ausgabe 04/2014

Cover Story: One of Netherland’s most important north to south corridors is the A50 motorway and a part of it the Waal Bridge near Ewijk with a main span of 270 m. Build between 1971 and 1976, it is one of the longest bridge structures in the Netherlands.
 
The Rijkswaterstaat, the executive arm of the Dutch Ministry of Infrastructure and the Environment, has decided to widen the A50 motorway between Ewijk and Valburg in both directions from two to four lanes each over a distance of 7 km. The entire project was carried out within the scope of a Design-Build contract. The consortium responsible for its execution and design is Waalkoppel, a consortium consisting of Mobilis, Van Gelder B.V. and DYWIDAG Bau GmbH. (see page A5 f)

 

Topics of Structural Concrete 04/2014:

  • Taking precast concrete to the limit
  • Challenges for concrete in tall buildings
  • Overview of imposed deformation in concrete structures
  • Appraisal of models for estimating drying shrinkage strains
  • Serviceability uncertainties in flat slabs
  • Punching shear tests on symmetrically reduced slab quarters
  • Review of different punching shear provisions for footings
  • New model for predicting FRP-concrete bond strength
  • Super-light concrete floor slabs
  • Monitoring-based fatigue assessment for concrete structures
  • Fire performance of composite hollow column with inner tube
  • Resource management of sustainable recycling concrete
  • Post-installed reinforcement connections at ULS and SLS
  • Behaviour of fatigue loaded self-compacting concrete vs. vibrated concrete