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Crack Bridging by Surface Treatments to Concrete
Cracks offer an easy path for the ingress of water and chlorides into concrete. In certain situations on bridge structures, coatings which are capable of bridging over cracks and maintaining a continuous film are desirable. Although the relationship between crack width and corrosion has been the subject of debate, it is argued that a crack-bridging coating is preferable in critical situations. Current tests in the UK which can be used to assess crack-bridging ability are reviewed. West German tests and specifications are also summarised and form a good basis for the development of better UK test methods and specifications for crack bridging. The need for further work on the effect of cracks on hydrophobic surface treatments is highlighted.
Crack Bridging by Surface Treatments to Concrete
Cracks offer an easy path for the ingress of water and chlorides into concrete. In certain situations on bridge structures, coatings which are capable of bridging over cracks and maintaining a continuous film are desirable. Although the relationship between crack width and corrosion has been the subject of debate, it is argued that a crack-bridging coating is preferable in critical situations. Current tests in the UK which can be used to assess crack-bridging ability are reviewed. West German tests and specifications are also summarised and form a good basis for the development of better UK test methods and specifications for crack bridging. The need for further work on the effect of cracks on hydrophobic surface treatments is highlighted.
Crack Bridging by Surface Treatments to Concrete
Harding, J. E. (Herausgeber:in) / Parke, G. A. R. (Herausgeber:in) / Ryall, M. J. (Herausgeber:in) / Keer, J. G. (Autor:in) / Le Page, B. H. (Autor:in)
Bridge Management ; Kapitel: 21 ; 233-241
01.01.1990
9 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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