Multi-Storey Timber and Mixed Timber-RC/Steel Construction in USA

Multi-storey timber-frame construction is used in North America for both residential and commercial structures. Timber is the predominant structural material used in residential construction throughout the USA. Reinforced concrete and steel assemblies mixed into timber-frame structures provide added performance for fire protection and earthquake resistance. This paper reviews the development of multi-storey timber-frame construction in the USA and the use of timber-frame mixed with concrete and steel elements.