Mass Timber Connections Index: Optimal Connection Considerations – The cost of connections in a mass timber structure can significantly affect the overall project cost. However, because mass timber connection design must consider not only structural design but also aesthetics, fire-rating requirements, constructability, accommodations for shrinkage and swelling, and moisture protection, finding the optimal solution can be challenging. 

To assist designers in this effort, WoodWorks US has published an easy-to-use index highlighting the spectrum of available structural and architectural mass timber connections. The intent is to facilitate the selection of cost-optimal connection types while balancing other important considerations. This paper focuses on the structural connections in the index, addressing each of these considerations.

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