ASTM D5977 - 15 - Standard Specification for High Load Rotational Spherical Bearings for Bridges and Structures

ASTM D5977 - 15

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

Status : Current   Published : June 2015

Format
PDF

Format
HARDCOPY



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.




Standard NumberASTM D5977 - 15
TitleStandard Specification for High Load Rotational Spherical Bearings for Bridges and Structures
StatusCurrent
Publication Date01 June 2015
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Descriptors Bearing devices, High load rotational bearings, Polytetrafluoroethylene (PTFE), Spherical bearings
ICS93.040
PublisherASTM
FormatA4
DeliveryYes
Pages5
File Size107 KB
Price£40.00


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