Danish High-Performance Concretes
M. P. Nielsoen, J. Christoffersen,a nd J. M. Frederiksen
Appears on pages(s):
chlorides; creep tests; diffusion; high-performance concretes; high-strength concretes; mix proportioning; shrinkage; silica fume; triaxial loads; General
In this paper the main results obtained in the research program High Performance Concretes in the 90's are presented. This program was financed by the Danish government and was carried out in cooperation between The Technical University of Denmark, several private companies, and Aalborg University. The paper includes the results with regard to the mix design, uni- and triaxial strength, creep, shrinkage, and chloride diffusion of HPC. The paper further gives a brief description of the bridge structures in Denmark in which HPC has been utilized. These structures include pedestrian bridges, highway bridges, and major infrastructure schemes such as the Great Belt Link and the Oresund Link. Finally, the paper states the research areas which, according to the experiences in Denmark, should be investigated in the future in order to improve HPC. These areas include the strength loss of silica fume concretes, workability, ductility, and confinement problems.