Alkali-silica Reaction in Finnish Concrete Structures

Author:

Lahdensivu Jukka1,Kekäläinen Pirkko2,Lahdensivu Alina3

Affiliation:

1. Managing Consultant at Ramboll Finland Oy Pakkahuoneenaukio 2, 33100 Tampere , Finland

2. PhD Student at Tampere University of Technology , Korkeakoulunkatu 5, 33720 Tampere , Finland

3. Student at Tampereen Klassillinen Lukio Tuomiokirkonkatu 5, 33100 Tampere , Finland

Abstract

Abstract Even though natural phenomena do not abide to borders, Finland has traditionally been considered an alkali-silica reaction (ASR) free country. This is due to exceptional quality of the mostly course crystalline igneous rocks. However, during the last few years dozens of cases of ASR have been reported. The scope of this study was to study the occurrence of ASR, and to find out the initiation time of the reaction in resent investigations of Finnish concrete structures. ASR is found occurring all over Finland. The reacting aggregates consist of rock types, which are considered relatively stable or low reacting in literature.

Publisher

Walter de Gruyter GmbH

Reference42 articles.

1. 1. Richardson, M. G., “Fundamentals of durable reinforced concrete,” London, Spon Press, 2002, 260 p.

2. 2. Shayan, A. & Quick, G.W., “Alkali-aggregate reaction in concrete railway sleepers from Finland,” Proceedings, 16th International Conference on Cement Microscopy, Richmond, Va., USA, 1994, pp. 69–79.

3. 3. Pyy, H., Holt, E., Ferreira, M., “Prestudy on alkali aggregate reaction and its existing in Finland,” VTT, Helsinki, Report VTT-CR-00554-12/FI, 2012, 27 p. (in Finnish)

4. 4. Lahdensivu, J., Aromaa, J., “Repair of alkali aggregate reaction damaged swimming pool,” Case Studies in Construction Materials, Vol. 3, 2015, pp. 1-8.

5. 5. Lahdensivu, J., Köliö, A., Husaini, D., “ASR possibilities in Finnish concrete bridges”, In Grantham, M. G, Papayianni, I., Sideris, K. (editors) Concrete Solutions, Taylor & Francis Group, 6000 Broken Sound Parkway NW, Suite 300, Boca Raton, FL 33487-2742 CRC Press, 2016, pp. 61-64.

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