ASTM D5977-15
- Standard Specification for High Load Rotational Spherical Bearings for Bridges and Structures
- standard by ASTM International, 06/01/2015
- Publisher: ASTM
$22.00$44.00
1.1 This specification covers bridge bearings that consist of a spherical rotational element, where a stainless steel convex surface slides against a concave carbon steel plate covered with woven or sheet polytetrafluoroethylene (PTFE). The function of the bearing is to transfer loads and to accommodate any relative movement, including rotation between a bridge superstructure and its supporting structure, or both.
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