, Volume 27, Issue 3, pp 233–250 | Cite as

Weathering of rock, corrosion of stone and rusting of iron

  • J. E. Harris


The central purpose of this paper is to present a survey of the extrinsic and intrinsic factors which influence the durability of masonry. In approaching this subject other themes are developed; in particular a study is made of the damage due to the volume changes which accompany all biological, physical and chemical changes. Light can be thrown on the corrosion of stone from a knowledge of the weathering of rocks throughout geological time, and this aspect is explored in the opening section of the paper. The final part of the paper consists of a study of the stresses and cracking of stone which can result from the expansive rusting of iron or steel reinforcements. Although mechanical damage dominates the discussion, some comments are made on the staining and dissolution of stone and examples are illustrated.

Key words

Stone Metals Weathering Corrosion Rusting Mechanics of masonry 


Scopo del presente articolo e'presentare una rassegna dei fattori intrinseci ed estrinseci che influenzano la durabilita' della muratura. All'interno di tale rassegna si sviluppano altri temi, ed in particolare uno studio sui danni provocati dai cambiamenti di volume che accompagnano le modificatzioni biologiche, fisiche, chimiche. Nella prima parte dell'articolo ci si sofferma sulle modificazioni degli ammassi rocciosi durante le ere geologiche, e sul nesso tra i dati desunti da tale analisi e il problema della corroasione della pietra. La parte finale dell'articolo e'invece dedicata ad uno studio degli stati tensionali e fessurativi risultanti dall'espansione legata alla corrosione di elementi metallici di rinforzo posti all'interno della muratura. Benche' il danno strutturale sia l'argomento centrale della discussione, vengono anche presi in considerazione i problemi conness alla dissoluzione e alla comparsa di macchie, e si illustrano alcuni.


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Copyright information

© Kluwer Academic Publishers 1992

Authors and Affiliations

  • J. E. Harris
    • 1
  1. 1.Corrosion and Protection CentreUniversity of Manchester Institute of Science and TechnologyManchesterEngland

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