Ensure Joint Integrity in Structural Bolting Applications

Joint integrity is critical in structural connections, specifically those connections prone to damage during earthquakes and seismic activity. Solon Manufacturing Co.’s Belleville springs have been successfully tested to considerably reduce damage in structural systems that are subjected to severe earthquakes. Solon’s Belleville washers are designed to create tight connections better than conventional springs and maintain bolt preload in bridges, buildings, and other infrastructure. Our ISO 9001:2015-certified Belleville Spring washers are proven to reduce damage in structural systems subject to earthquakes and seismic activity without forming connections that are too rigid. Belleville washers absorb shock, provide dampening and support high tension in bolted applications.

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The Importance of Bolted Connections

Bolted connections that are too stiff or rigid can have a negative impact on the dynamic behavior of structural systems.

Structural members / structural systems
Asymmetric friction sliding structural connections (a sliding high joint / beam-to-column connection)
Skyscrapers
Structural systems subject to seismic activity
Bridges
Infrastructure

Solon Belleville Springs Prevent Damage to Structural Members

Solon® Belleville Springs were used by the University of Auckland Department of Civil and Environmental Engineering in New Zealand to design and test a live loaded bolted connection. The conclusion of this study was that optimum use of Belleville springs in asymmetric friction sliding structural connections (a sliding high joint / beam-to-column connection) prevents damage to structural members.

Benefits of Solon Washers

Maintain bolt preload under normal conditions
High spring force with small deflections
Absorbs shock and compensates for vibration
Predictable load-deflection curves where straight, progressive or regressive characteristics are required
No deformation or fatigue under normal conditions
Available in Imperial Washer and Metric Washer sizes

Learn More About the use of Belleville Washers in Structural Bolting Applications

Technical White Paper: Stiffness-based Approach for Belleville Springs Use in Sliding Structural Connections
Technical White Paper: Experimental Studies on Belleville Springs Use in the Sliding Hinge Joint Connection

Contact Solon For Belleville Spring Washers

Contact a Solon expert and let us find the high quality industrial springs and washer products needed for your next application.
If you need additional information, visit our Resource Library for technical notes and additional information on sizes, materials, and finishes. If you have questions, contact our engineers for assistance.