: Unlike steel, timber is a natural material with knots and grain irregularities that influence its load capacity . Engineers must account for these using specific strength classes.
: Eurocode 5 requires designers to consider how humidity and duration of load affect timber strength over time. Structural timber design to Eurocode 5
: To navigate these complexities, engineers rely on comprehensive guides like the one by Jack Porteous and Abdy Kermani , which provides step-by-step guidance on designing everything from basic beams to complex connections. Structural Timber Design to Eurocode 5 - Amazon.com : Unlike steel, timber is a natural material