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ASTM International - ASTM D5977-15

Standard Specification for High Load Rotational Spherical Bearings for Bridges and Structures

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Organization: ASTM International
Publication Date: 1 June 2015
Status: active
Page Count: 5
ICS Code (Bridge construction): 93.040
scope:

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.

1.2 This specification covers the requirements of spherical bearings with a standard horizontal load (a maximum of 10 % of vertical).

1.3 The requirements stated in this specification are the minima necessary for the manufacture of quality bearing devices. It may be necessary to increase these minimum values due to other design conditions.

1.4 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.

1.5 The following safety hazards caveat pertains only to the test method portion, Section 7, of this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

abstract:

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... View More

Document History

ASTM D5977-15
June 1, 2015
Standard Specification for High Load Rotational Spherical Bearings for Bridges and Structures
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...
July 15, 2012
Standard Specification for High Load Rotational Spherical Bearings for Bridges and Structures
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...
December 1, 2007
Standard Specification for High Load Rotational Spherical Bearings for Bridges and Structures
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...
February 10, 2003
Standard Specification for High Load Rotational Spherical Bearings for Bridges and Structures
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...
January 1, 1996
Standard Specification for High Load Rotational Spherical Bearings for Bridges and Structures
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...
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