ASTM-D8507 2023

$34.13

D8507-23 Standard Specification for High Load Multi-Rotational Disc Bearings for Bridges and Structures

Published By	Publication Date	Number of Pages
ASTM	2023	6

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Category: ASTM

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Description

ASTM D8507-23

Active Standard: Standard Specification for High Load Multi-Rotational Disc Bearings for Bridges and Structures

ASTM D8507

Scope

1.1 This specification covers bridge bearings that consist of an unconfined polyether urethane rotational element subjected to compression loads, along with a resisting mechanism to transmit shear and/or tension loads through the bearing. For expansion and/or contraction applications, an additional stainless steel flat surface slides against a carbon steel plate faced with 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 The requirements stated in this specification are the minimums necessary for the manufacture of quality bearing devices. It may be necessary to increase these minimum values due to other design or construction conditions.

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

1.4 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Keywords

bearing devices; disc bearings; high load multi-rotational bearings; polyether urethane; polytetrafluoroethylene (PTFE);

ICS Code

ICS Number Code 93.040 (Bridge construction)

DOI: 10.1520/D8507-23

Additional information

Standard Title	D8507-23 Standard Specification for High Load Multi-Rotational Disc Bearings for Bridges and Structures
Published Code	ASTM
Publication Date	2023
Pages Count	6