Removing of chlorides by means of an impressed current : durability action testing of concrete structures in Stockholm.

Author(s)
Berthagen, L.K. & Karlsson, F.
Year
Abstract

The problem of durability for large concrete structures became a matter of real concern some 10 years ago in Sweden. An essential cause of the problem was for many objects defined to be the chloride content and/or water content of the structure. Also alkali silica reactions (ASR had to be considered). Removing of salt from concrete by means of an electric force has been introduced as a way to reduce damage due to high chloride content. Investigations, laboratory as well as field tests show a certain reduction of chloride content but they show too the necessity of further research before the method is ready for use in a more wide practice. Several structures in Stockholm have in a test program been used in used in this project by the Stockholm Consulting - Materials Testing Laboratory. The paper describes a number of cases, the methods used, experiences and conclustions. (A)

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Publication

Library number
C 8405 (In: C 8330 e S [electronic version only]) /32 /34 / IRRD 874078
Source

In: Proceedings of the conference "Strategic Highway Research Program SHRP and Traffic Safety on Two Continents", The Hague, The Netherlands, September 22-24, 1993, VTI Konferens 1A, Part 5, p. 175-186, 5 ref.

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