751.11 Bearings: Revision history

10 September 2024

• curprev 09:4209:42, 10 September 2024‎ Hoskir talk contribs‎ 65,524 bytes +2,926‎ →‎751.11.2.4 PTFE (Polytetraflouroethylene) Bearings: updated per RR3932
• curprev 09:3909:39, 10 September 2024‎ Hoskir talk contribs‎ 62,598 bytes +499‎ →‎751.11.3.3 PTFE Bearings: updated per RR3932

19 July 2024

• curprev 12:5312:53, 19 July 2024‎ Hoskir talk contribs‎ 62,099 bytes +177‎ →‎751.11.3.4 Bearing Edge Distance: updated per RR3868

21 March 2024

• curprev 10:5710:57, 21 March 2024‎ Hoskir talk contribs‎ 61,922 bytes +227‎ →‎751.11.3.5 Anchor Bolts: updated per RR3851

2 June 2022

• curprev 09:4309:43, 2 June 2022‎ Smithk talk contribs‎ m 61,695 bytes +4‎ →‎751.11.3.6 Girder/Beam Chairs
• curprev 09:4209:42, 2 June 2022‎ Smithk talk contribs‎ m 61,691 bytes +72‎ →‎751.11.3.6 Girder/Beam Chairs

1 June 2022

• curprev 10:2610:26, 1 June 2022‎ Smithk talk contribs‎ m 61,619 bytes −92‎ updated links

31 May 2022

• curprev 11:2011:20, 31 May 2022‎ Smithk talk contribs‎ m 61,711 bytes +1,962‎ →‎751.11.3.6 Girder/Beam Chairs: Per BR, updated guidance for concrete diaphragms on bridges

17 May 2022

• curprev 13:4713:47, 17 May 2022‎ Smithk talk contribs‎ m 59,749 bytes +68‎ →‎751.11.2.1 Elastomeric Bearings
• curprev 12:2412:24, 17 May 2022‎ Smithk talk contribs‎ m 59,681 bytes −95‎ →‎751.11.2.1 Elastomeric Bearings

11 May 2022

• curprev 13:4013:40, 11 May 2022‎ Smithk talk contribs‎ m 59,776 bytes +11,295‎ Per BR, clarified bearing anchor bolt, dowel bar, and shear block design.

25 October 2021

• curprev 08:5808:58, 25 October 2021‎ Smithk talk contribs‎ m 48,481 bytes +1‎ Updated website link for increased security

28 July 2021

• curprev 07:4707:47, 28 July 2021‎ Smithk talk contribs‎ m 48,480 bytes +117‎ →‎751.11.2.1 Elastomeric Bearings: Per BR, clarified that in the rare case where intermediate bents are made integral (by extending the beam cap stirrups into the diaphragm), plain neoprene bearing pads may be considered at the intermediate bent.

24 June 2021

• curprev 07:5607:56, 24 June 2021‎ Smithk talk contribs‎ m 48,363 bytes −226‎ →‎751.11.3 Details
• curprev 07:5307:53, 24 June 2021‎ Smithk talk contribs‎ m 48,589 bytes −113‎ →‎751.11.3.1 Elastomeric Bearings for P/S I-Girders
• curprev 07:5107:51, 24 June 2021‎ Smithk talk contribs‎ m 48,702 bytes +30‎ →‎751.11.3 Details: Per BR, minor corrections in a couple of figures. Also clarified associated illustrations.

10 June 2021

• curprev 08:5708:57, 10 June 2021‎ Smithk talk contribs‎ m 48,672 bytes 0‎ updated link

18 August 2020

• curprev 06:5906:59, 18 August 2020‎ Smithk talk contribs‎ m 48,672 bytes −7‎ →‎751.11.2.1 Elastomeric Bearings: Per BR, corrected bolt specs to latest ASTM

5 August 2020

• curprev 09:5609:56, 5 August 2020‎ Smithk talk contribs‎ m 48,679 bytes −2‎ →‎751.11.3.6 Girder/Beam Chairs: Per BR, minor clarification related to barrier pay items

14 November 2019

• curprev 15:0515:05, 14 November 2019‎ Smithk talk contribs‎ m 48,681 bytes 0‎ →‎751.11.2.1 Elastomeric Bearings
• curprev 15:0315:03, 14 November 2019‎ Smithk talk contribs‎ 48,681 bytes −59‎ →‎751.11.2.1 Elastomeric Bearings: Per BR, revised illustrations to clarify the maximum allowed taper

31 October 2019

• curprev 13:4213:42, 31 October 2019‎ Smithk talk contribs‎ m 48,740 bytes +57‎ →‎751.11.2.1 Elastomeric Bearings: Per BR, clarified the maximum allowed taper

28 December 2018

• curprev 11:1011:10, 28 December 2018‎ Smithk talk contribs‎ m 48,683 bytes −5‎ →‎751.11.3.5 Anchor Bolts
• curprev 11:0811:08, 28 December 2018‎ Smithk talk contribs‎ m 48,688 bytes −42‎ →‎751.11.3.5 Anchor Bolts: Per BR, removed corrugated steel pipe for anchor bolt wells.

28 September 2018

• curprev 06:5706:57, 28 September 2018‎ Smithk talk contribs‎ m 48,730 bytes −10‎ →‎751.11.2.1 Elastomeric Bearings
• curprev 06:2606:26, 28 September 2018‎ Smithk talk contribs‎ m 48,740 bytes −10‎ →‎751.11.1.1 Bearing Types

5 June 2018

• curprev 09:3309:33, 5 June 2018‎ EPGsysop talk contribs‎ m 48,750 bytes +428‎ →‎751.11.2.1 Elastomeric Bearings: Per BR, ASTM F1554 Grade 105 anchor bolts may be used when Grade 55 is not adequate.

17 May 2017

• curprev 09:0209:02, 17 May 2017‎ EPGsysop talk contribs‎ m 48,322 bytes +3‎ →‎751.11.3.6 Girder/Beam Chairs
• curprev 09:0009:00, 17 May 2017‎ EPGsysop talk contribs‎ m 48,319 bytes +4‎ →‎751.11.3 Details: Per BR, further clarified girder chair detail and end distance from center line of bearing to end of steel and prestressed girders w/ info inadvertently left out by division

11 April 2017

• curprev 11:2811:28, 11 April 2017‎ EPGsysop talk contribs‎ m 48,315 bytes −35‎ →‎751.11.3.6 Girder/Beam Chairs
• curprev 11:2711:27, 11 April 2017‎ EPGsysop talk contribs‎ m 48,350 bytes +19‎ →‎751.11.3.6 Girder/Beam Chairs
• curprev 11:2411:24, 11 April 2017‎ EPGsysop talk contribs‎ m 48,331 bytes +150‎ →‎751.11.3.6 Girder/Beam Chairs: Per BR, clarified girder chair detail and end distance from center line of bearing to end of steel and prestressed girders.

14 June 2016

• curprev 06:5306:53, 14 June 2016‎ Smithk talk contribs‎ m 48,181 bytes +9‎ updated link

19 August 2015

• curprev 09:0409:04, 19 August 2015‎ Smithk talk contribs‎ m 48,172 bytes +1‎ →‎751.11.3.4 Bearing Edge Distance: Per BR, minor correction

6 August 2014

• curprev 08:2308:23, 6 August 2014‎ Smithk talk contribs‎ m 48,171 bytes +42‎ →‎751.11.2.1 Elastomeric Bearings: Per Bridge, clarification of the rectangular laminated elastomeric pad's uplift check

17 April 2014

• curprev 06:0806:08, 17 April 2014‎ Smithk talk contribs‎ m 48,129 bytes −75‎ →‎751.11.3.3 PTFE Bearings: removed archaic note

11 April 2014

• curprev 07:0507:05, 11 April 2014‎ Smithk talk contribs‎ m 48,204 bytes +868‎ Per Bridge, numerous editorial revisions

11 July 2013

• curprev 09:2009:20, 11 July 2013‎ Smithk talk contribs‎ m 47,336 bytes +1,921‎ Per Bridge, clarified usage of plain and laminated bearing pads. Added bearing pad length requirements for P/S NU girders and P/S Spread Box Beams.

10 October 2012

• curprev 10:0510:05, 10 October 2012‎ Smithk talk contribs‎ 45,415 bytes +1,175‎ →‎751.11.3.5 Anchor Bolts: Per Bridge, permanently placed galvanized corrugated steel pipe as forms for anchor bolt wells allowed. If method not used & drilling is required, don't cut reinforcement

28 August 2012

• curprev 09:3409:34, 28 August 2012‎ Smithk talk contribs‎ m 44,240 bytes −86‎ Per Bridge, clarification. Change requirement for anchor bolts used on weathering steel bridges to coated w/ inorganic zinc primer. Secondary, change "rod" to "bolt" as in "anchor bolt".

14 August 2012

• curprev 09:4809:48, 14 August 2012‎ Smithk talk contribs‎ m 44,326 bytes +504‎ →‎751.11.1.1 Bearing Types: Per Bridge, addition of girder/beam chairs guidance for clarification
• curprev 07:1407:14, 14 August 2012‎ Smithk talk contribs‎ m 43,822 bytes +425‎ →‎751.11.3.6 Girder/Beam Chairs: Per Bridge, guidance clarification for girder chairs.

14 February 2012

• curprev 13:5213:52, 14 February 2012‎ Smithk talk contribs‎ m 43,397 bytes +5‎ →‎751.11.3.6 Girder Chairs
• curprev 12:3312:33, 14 February 2012‎ Smithk talk contribs‎ m 43,392 bytes +239‎ →‎751.11.3.6 Girder Chairs: Per Bridge, clarification of girder chair guidance

21 October 2011

• curprev 11:3911:39, 21 October 2011‎ Smithk talk contribs‎ m 43,153 bytes +21‎ →‎751.11.2.1 Elastomeric Bearings: Per Bridge, addition of LRFD reference

16 April 2010

• curprev 07:5607:56, 16 April 2010‎ Smithk talk contribs‎ m 43,132 bytes −4‎ →‎751.11.2.1 Elastomeric Bearings: minor clarification

15 April 2010

• curprev 08:2308:23, 15 April 2010‎ Smithk talk contribs‎ m 43,136 bytes +10‎ attached article to new EPG 751

18 June 2009

• curprev 07:5407:54, 18 June 2009‎ EPG-Admin talk contribs‎ 43,126 bytes −123‎ Current practice is to taper shin plates for bearings when required. Consulting the structural project manager is not required and may be confusing for consultants.

20 January 2009

• curprev 14:2514:25, 20 January 2009‎ EPG-Admin talk contribs‎ m 43,249 bytes 0‎ Corrected wording (welding plates on PTFE bearings) to be consistent with standard plans.

11 February 2008

• curprev 11:3311:33, 11 February 2008‎ EPG-Admin talk contribs‎ 43,249 bytes +43,249‎ AASHTO code change to temp. movement equation in 751.11.2.1. Remove DL max from Bearing Pad Tables (DL max removed from practice by prior LRFD revision).