Double 2x6 Support Beam. This Support Beam cut the stress load on the Ledger board by over 50%. It reduced the ledger board tributary load by 85%.
|Support Beam is responsible 96 Sq Ft of Deck Tributary Load Stress, easily handled by Double 2x6 that are glued and screwed!|
The new support beam now carries the biggest percentage of the load on the deck.
this blog post is not the place to teach about tributary loads. A quick duckduckgo search pointed me to the following link:
If the beam is supporting a floor, roof, or wall that has a pressure loading normal to the surface, the total force on the beam equals the area of surface supported (i.e. the tributary area)... http://www.bgstructuralengineering.com/BGSMA/BGTribArea/BGSMA_TA_02.htm
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