Influence of steel shim hardness on the Sliding Hinge Joint performance

A low damage and ductile rocking timber wall with passive energy dissipation devices

“…It was found that while mild-steel sliding against mild-steel produced erratic and uneven sliding behaviour, including a thin brass shim between the sliding surfaces improved behaviour significantly. Clifton et al (2007) adopted an asymmetric connector (where external load is applied to the centre plate and only one of the external plates) for use in steel-moment frames, and Khoo et al (2012) further advanced the concept, replacing the expensive and difficult to procure brass shims with shims of abrasion resistant steel. Clifton and Khoo"s concept has seen implementation in steel buildings in New Zealand.…”

Finite Element Analyses on Free From Damage Seismic Resisting Beam-to-Column Joints

“…This project aims at developing and seismically prequalifies novel types of steel joints that dissipate the seismic energy by means of friction at the level of surfaces in contact clamped by preloaded bolts and specifically designed to undergo relative sliding at a given force level. The cyclic behaviour of these joints is stable with low degradation, even though it depends on the friction material used at the sliding interface [36][37][38][39][40]. Figure 1 depicts the two main typologies of the joints tested within [41].…”

Friction between a new low-steel composite material and milled steel for SAFE Dampers

“…When the axial force of the bracing member reaches a prescribed slip load, the system starts to dissipate energy through frictional sliding motion. In addition to the conventional bracetype, SBCs can also be applied to shear-type friction dampers [8] and steel beam-to-column connections [9].…”

“…According to prior research [6,9,10], friction coefficients ranged from approximately 0.2 to 0.4. However, the surfaces were badly damaged due to adhesive and/or abrasive wear after the sliding friction motion.…”