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Beam Connected to Girder with Proprietary Concealed Connectors

Wood beam is connected to girder with proprietary connector. Connection from hanger to beam and hanger to girder are as specified by the supplier, generally using screws.

Purpose: Transfer of vertical load from wood beam to wood girder.

Design Notes

  • Capacity of the connection is defined by the manufacturer.
  • This connection type is typically chosen for aesthetics, construction speed and fire rating. See manufacturer for fire rating information.
  • Fully concealed connection.
  • Possible to use multiple connectors at single connection for increased capacity.
  • Connection has tight construction tolerances.
  • Consider required number of screws relative to member size to control splitting.
  • Cost increases with reaction.
  • Manufacturers include Sherpa, Knapp and Rothoblaas.
  • Verify connection is NDS compliant for shear over the reduced cross-section per sections 3.4.3.2 and 5.3.10.  Reduced section is generally the top of the member to the bottom dowel or bearing point of the connector.
  • Deck not shown for clarity. Beam may require bracing for lateral-torsional buckling.

Other Applications:

  • Table 9: Mass Timber Beam Support at Mass Timber Column
  • Table 10: Mass Timber Beam Support at Mass Timber Wall Panel
Class
Class 3
Load
Load High
Cost
Cost $$
Const.
Constructability Advanced
Fire
Fire Rating I

Beam Connected to Girder with Proprietary Concealed Connectors

Wood beam is connected to girder with proprietary connector. Connection from hanger to beam and hanger to girder are as specified by the supplier, generally using screws.
03.A - Beam Connected to Girder with Proprietary Concealed Connector