Abstract
Recent trends in the use of stainless steel profiles for repair and reinforcement of historic timber structures, after degradation due to biotic and non-biotic attacks, are discussed in this paper. These structural challenges can vary from inadequate load carrying capacity to complexities involved with choice of repair materials and techniques. Given the recurring requirements of conservation authorities in terms of reversibility of interventions and compatibility between historic and new materials, an increase in the use of non-invasive reinforcement materials and reversible techniques was observed. Subsequently, engineers and researchers have increasingly employed stainless steel alloys in retrofitting historic timber structures. This paper therefore presents the state of the art in the use of stainless steel profiles in retrofitting timber structural elements within historic structures. It includes a review of the development of the retrofitting methods and existing experimental studies on the mechanical behavior of timber structures reinforced with stainless steel. Finally, it presents a number of case studies and draws conclusions on current trends and practices based on reported studies.
Highlights
The use of stainless steel components, in new constructions, has experienced a huge increase in recent times
Steel and iron have frequently been used in the repair/reinforcement of timber members which may Damaged timber elements are usually repaired by local interventions [37,38]
Metal methods of strengthening and repairing timber structures have been in use for about
Summary
The use of stainless steel components, in new constructions, has experienced a huge increase in recent times. Stainless steel often has substantially varying physical and mechanical properties [1,2,3]. It is well known that the main reason for the use of stainless steel in construction is its resistance to corrosion. This property can vary from one stainless steel alloy to another. There are many other reasons for its application in construction industry: its intrinsic isotropy, the post-elastic plastic behavior, lightness, etc. Most of these properties are in common with carbon steel but are not with other structural materials such as composites
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