751.21 Prestressed Concrete Slab and Box Beams: Revision history

31 July 2024

• curprev 12:5812:58, 31 July 2024‎ Hoskir talk contribs‎ 27,312 bytes −106‎ →‎751.21.3.6.1 Dimensions: updated per RR3915

22 August 2023

• curprev 10:1910:19, 22 August 2023‎ Hoskir talk contribs‎ 27,418 bytes +154‎ →‎751.21.3.6.1 Dimensions: updated per RR3762

26 July 2023

• curprev 14:1114:11, 26 July 2023‎ Hoskir talk contribs‎ 27,264 bytes −265‎ →‎751.21.1.4 Span and Structure Lengths: updated per RR3737

30 June 2023

• curprev 07:5207:52, 30 June 2023‎ Hoskir talk contribs‎ 27,529 bytes +1,352‎ →‎751.21.1.4 Span and Structure Lengths: updated per RR3719

1 May 2023

• curprev 11:4011:40, 1 May 2023‎ Hoskir talk contribs‎ 26,177 bytes −171‎ →‎751.21.3.4 Prestressing Strands: updated per RR3684

1 June 2022

• curprev 11:2311:23, 1 June 2022‎ Smithk talk contribs‎ m 26,348 bytes +8‎ →‎751.21.3.11 Dowel Bars and Concrete Shear Blocks: updated a link
• curprev 10:2310:23, 1 June 2022‎ Smithk talk contribs‎ m 26,340 bytes 0‎ updated links

10 May 2022

• curprev 12:4512:45, 10 May 2022‎ Smithk talk contribs‎ m 26,340 bytes +65‎ →‎751.21.3.11 Dowel Bars and Shear Blocks: Per BR

29 March 2022

• curprev 06:1406:14, 29 March 2022‎ Smithk talk contribs‎ m 26,275 bytes 0‎ →‎751.21.3.5 Camber, Haunching and Girder Steps: updated link

11 January 2022

• curprev 12:1912:19, 11 January 2022‎ Smithk talk contribs‎ m 26,275 bytes 0‎ →‎751.21.3 Details: Per BR, updated broken links
• curprev 12:1012:10, 11 January 2022‎ Smithk talk contribs‎ m 26,275 bytes +18‎ →‎751.21.3.3.1 Spread Box Beams: Per BR, updated link
• curprev 12:0712:07, 11 January 2022‎ Smithk talk contribs‎ m 26,257 bytes +149‎ →‎751.21.3.1 Standard Drawings: Per BR, minor clarification
• curprev 11:2911:29, 11 January 2022‎ Smithk talk contribs‎ m 26,108 bytes −1‎ →‎751.21.2 Design
• curprev 11:2711:27, 11 January 2022‎ Smithk talk contribs‎ m 26,109 bytes +4‎ →‎751.21.1.4 Span and Structure Lengths: Per BR, updated link

12 November 2021

• curprev 09:2509:25, 12 November 2021‎ Smithk talk contribs‎ m 26,105 bytes +154‎ Per BR, added guidance that some strand locations are not available when a vent pipe is required, made minor correction to strand arrangement details and revised location of vent pipes.

10 November 2021

• curprev 14:4614:46, 10 November 2021‎ Smithk talk contribs‎ m 25,951 bytes +11‎ →‎751.21.1 General: Per BR, limited f’c to 10 ksi and f’ci to 7.0 ksi to alleviate fabrication issues

25 October 2021

• curprev 09:0809:08, 25 October 2021‎ Smithk talk contribs‎ m 25,940 bytes +4‎ Updated website links for increased security

20 September 2021

• curprev 06:5906:59, 20 September 2021‎ Smithk talk contribs‎ m 25,936 bytes −102‎ →‎751.21.3.10 Exterior Beam Bevel at Slab Edge and Drip Bevel: Per BR, revised increments for legs of shaped bars from ⅛” to ¼” due to upcoming move to new bill of reinforcing steel software which does not allow ⅛” increments. Revised various EPG details that showed ⅛” increments.

17 September 2021

• curprev 10:2410:24, 17 September 2021‎ Smithk talk contribs‎ m 26,038 bytes −2‎ →‎751.21.3.3.1 Spread Box Beams
• curprev 10:2010:20, 17 September 2021‎ Smithk talk contribs‎ m 26,040 bytes +20‎ Per BR, revised increments for legs of shaped bars from ⅛” to ¼” due to upcoming move to new bill of reinforcing steel software which does not allow ⅛” increments. Also revised various EPG details that showed ⅛” increments.

12 August 2021

• curprev 06:5106:51, 12 August 2021‎ Smithk talk contribs‎ m 26,020 bytes −104‎ No edit summary
• curprev 06:3706:37, 12 August 2021‎ Smithk talk contribs‎ m 26,124 bytes +284‎ Per BR, corrected voided slab beam calculations and rounding

28 June 2021

• curprev 13:5513:55, 28 June 2021‎ Smithk talk contribs‎ m 25,840 bytes −49‎ →‎751.21.1.1 Application: Per BR, minor clarification

11 June 2021

• curprev 06:0106:01, 11 June 2021‎ Smithk talk contribs‎ m 25,889 bytes +1‎ →‎751.21.3.2.4 Lifting Loops

10 June 2021

• curprev 08:1408:14, 10 June 2021‎ Smithk talk contribs‎ 25,888 bytes −265‎ →‎751.21.3.9 Top Surface Preparation for Adjacent Beams: Per BR, removed notes in accordance with spec book revisions
• curprev 08:1308:13, 10 June 2021‎ Smithk talk contribs‎ 26,153 bytes −254‎ →‎751.21.3.2 Beam Ends: Per BR, removed notes in accordance with spec book revisions and removed requirement for a lifting loop detail.

6 April 2021

• curprev 07:3807:38, 6 April 2021‎ Smithk talk contribs‎ m 26,407 bytes +15‎ →‎751.21.3.2.2 End Blocks Lengths and Weights
• curprev 07:2607:26, 6 April 2021‎ Smithk talk contribs‎ m 26,392 bytes −1‎ →‎751.21.2.3 Temporary Tensile Stress Reinforcement
• curprev 06:5606:56, 6 April 2021‎ Smithk talk contribs‎ m 26,393 bytes +1‎ →‎751.21.1.2 Material Properties

2 April 2021

• curprev 07:1007:10, 2 April 2021‎ Smithk talk contribs‎ m 26,392 bytes 0‎ No edit summary
• curprev 06:5206:52, 2 April 2021‎ Smithk talk contribs‎ 26,392 bytes +26,392‎ Per BR, new EPG 751.21 to provide guidance for beams we have been designing and using for over a decade