Moment Resisting Timber Connections

Moment Resisting TimberMoment Resisting TimberMoment Resisting Timber Moment Resisting Timber ConnectionsConnections

Moment connection typesMoment connection typesMoment connection typesMoment connection types

Beam splice

Corner connection

Beam to column

ticonnection connection

A few principles of connection A few principles of connection d id idesigndesign

• Keep the load path as direct asKeep the load path as direct as possible

• Connect the loaded fibresConnect the loaded fibres• Avoid tension perpendicular to grain

stressesstresses• Make use of compression load transfer

as much as possibleas much as possible• Use steel elements when tension load

transfer is necessarytransfer is necessary

Moment resisting ridge connectionMoment resisting ridge connection

Beam spliceBeam spliceBeam spliceBeam spliceCC

T T

compression plate

tension plate

MomentMomentMoment Moment splicessplices

Beam splicesBeam splicesBeam splicesBeam splices

embedded steel rods

compression plate

tension plate

Beam splice with shear platesBeam splice with shear platesp pp p

Moment Moment splice with splice with embeddedembeddedembedded embedded

rodsrods

Corner Corner connectionconnection

Corner Corner connectionconnection

compression web

tension webtension web

Shear can readily be transferred through bearing platesbearing plates

Corner Corner connectionconnection

Connection with shear

MomentMomentMoment Moment connection connection

ithithwith with embeddedembeddedembedded embedded

rodsrods

Corner Corner connectionconnection

Connection with shear

Large moments

Embedded rods

Embedded rod connections

Moment Moment connections withconnections withconnections with connections with embedded rodsembedded rods

Corner Corner connectionconnection

•A less desirable connection•Causes tension perpendicular to grain•Causes tension perpendicular to grain•Two connections with eccentricity

Bolted steel plate Bolted steel plate moment moment

connectionsconnections

Sandwiched corner Sandwiched corner connectionconnectionconnectionconnection

•A less desirable connection•Causes tension perpendicular to grain

Sandwiched connection with Sandwiched connection with inside riveted steel platesinside riveted steel plates

EmbeddedEmbeddedEmbedded Embedded steel plate steel plate connection connection with dowelswith dowelswith dowelswith dowels

Beam to Beam to column column

connectionconnectionconnectionconnection

Type Cyp

A series of complex A series of complex t tit timoment connectionsmoment connections

Moment resistant Moment resistant mortise and tenonmortise and tenonmortise and tenon mortise and tenon

connectionconnection

Load transfer through mortise and tenon connectionLoad transfer through mortise and tenon connection

Japanese Japanese templetempletemple temple

connectionconnectionwedge

beam

column

Steel plate welded to HSS column

HSS column Glulam beam

Glulam rivetsGlulam rivets