751.22 Prestressed Concrete I Girders: Revision history

15 October 2013

• curprev 09:2009:20, 15 October 2013‎ Smithk talk contribs‎ m 180,141 bytes +5‎ →‎751.22.3.8 Camber, Haunching and Girder Steps: Per Bridge, updated figure with a minor clarification

11 October 2013

• curprev 11:2111:21, 11 October 2013‎ Smithk talk contribs‎ m 180,136 bytes −62‎ →‎751.22.3.8 Camber, Haunching and Girder Steps
• curprev 11:1711:17, 11 October 2013‎ Smithk talk contribs‎ m 180,198 bytes +114‎ →‎751.22.3.8 Camber, Haunching and Girder Steps: Per Bridge, at the request of AGC, limits for prestressed girder haunching will be reported to the nearest 1/8”. We currently use 1/16”.

1 October 2013

• curprev 07:3807:38, 1 October 2013‎ Smithk talk contribs‎ m 180,084 bytes +279‎ →‎751.22.3.8 Camber, Haunching and Girder Steps: Per Bridge, a note was added to clarify camber the diagram

11 September 2013

• curprev 06:0806:08, 11 September 2013‎ Smithk talk contribs‎ m 179,805 bytes −1‎ →‎751.22.1.1 Material Properties: minor clarification

10 September 2013

• curprev 14:0414:04, 10 September 2013‎ Smithk talk contribs‎ m 179,806 bytes +235‎ →‎751.22.1.1 Material Properties: Per Bridge, revision aligns guidance w/ current practice. MoDOT no longer specifies HPC nor allows designer to choose concrete design strength based on analysis
• curprev 12:2512:25, 10 September 2013‎ Smithk talk contribs‎ m 179,571 bytes +510‎ Per Bridge, several clarifications for strand arrangements and order of material use for prestressing strand

6 August 2013

• curprev 06:1206:12, 6 August 2013‎ Smithk talk contribs‎ m 179,061 bytes −11‎ Per Bridge, minor clarifications

15 July 2013

• curprev 13:1213:12, 15 July 2013‎ Smithk talk contribs‎ m 179,072 bytes +36‎ →‎751.22.1 General: new photo

11 July 2013

• curprev 09:0309:03, 11 July 2013‎ Smithk talk contribs‎ m 179,036 bytes +13‎ →‎751.22.1.4 Span and Structure Lengths
• curprev 08:5808:58, 11 July 2013‎ Smithk talk contribs‎ m 179,023 bytes +209‎ →‎751.22.1.4 Span and Structure Lengths: 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.

7 November 2012

• curprev 09:3109:31, 7 November 2012‎ Smithk talk contribs‎ m 178,814 bytes +2,011‎ Per Bridge and Construction and Materials, clarified estimated camber at 7 days and 90 days for P/S girder design.

18 September 2012

• curprev 07:3207:32, 18 September 2012‎ Smithk talk contribs‎ m 176,803 bytes +59‎ →‎751.22.2.3 Flexure: added link
• curprev 07:2007:20, 18 September 2012‎ Smithk talk contribs‎ m 176,744 bytes +71‎ →‎751.22.2.3 Flexure: Per Bridge, clarify that for all NU girders the 3/8" diameter strands used for reinforcement support and the top WWR are required and shall be used for A1 reinforcement design.

14 August 2012

• curprev 11:0411:04, 14 August 2012‎ Smithk talk contribs‎ m 176,673 bytes −1‎ minor corrections
• curprev 07:3107:31, 14 August 2012‎ Smithk talk contribs‎ m 176,674 bytes −752‎ →‎751.22.3.10 Closed Intermediate Bent Diaphragms: Per Bridge, guidance clarification for closed intermediate bent diaphragms.

9 August 2012

• curprev 09:0609:06, 9 August 2012‎ Smithk talk contribs‎ m 177,426 bytes +183‎ →‎751.22.2.3 Flexure: Clarification of A1 bar for use in design, per Bridge
• curprev 07:5807:58, 9 August 2012‎ Smithk talk contribs‎ m 177,243 bytes −1,878‎ →‎751.22.3.18 Miscellaneous: Clarification and linking to spec book for dimensional tolerance, per Bridge

23 July 2012

• curprev 08:5208:52, 23 July 2012‎ Smithk talk contribs‎ m 179,121 bytes +1‎ →‎751.22.3.13 Intermediate Diaphragms: minor update
• curprev 08:3408:34, 23 July 2012‎ Smithk talk contribs‎ m 179,120 bytes +2‎ →‎751.22.2.4 Shear
• curprev 08:3108:31, 23 July 2012‎ Smithk talk contribs‎ m 179,118 bytes +47‎ added a link, and updated a link

19 July 2012

• curprev 11:3311:33, 19 July 2012‎ Smithk talk contribs‎ m 179,071 bytes +179‎ →‎751.22.2.3 Flexure: Per Bridge, minor clarification about effective slab thickness

15 May 2012

• curprev 08:2408:24, 15 May 2012‎ Smithk talk contribs‎ m 178,892 bytes +12‎ →‎751.22.3.2.1 Beam Type 2 Dimensions/Strand Arrangements: Per Bridge, clarified dimensional locations in two figures

9 May 2012

• curprev 12:1312:13, 9 May 2012‎ Smithk talk contribs‎ m 178,880 bytes +6‎ →‎751.22.3.7 Bent-up Strands
• curprev 12:1112:11, 9 May 2012‎ Smithk talk contribs‎ m 178,874 bytes +69‎ →‎751.22.3.7 Bent-up Strands: Per Bridge, corrected the projection of strands for NU girders and other editorial changes to be in accordance with girder standard drawings.

15 February 2012

• curprev 12:3512:35, 15 February 2012‎ Smithk talk contribs‎ m 178,805 bytes +20‎ →‎751.22.1.1 Material Properties: minor clarification

14 February 2012

• curprev 10:1410:14, 14 February 2012‎ Smithk talk contribs‎ m 178,785 bytes 0‎ →‎751.22.3.11 Non-integral End Bent Diaphragms: minor correction
• curprev 09:5909:59, 14 February 2012‎ Smithk talk contribs‎ m 178,785 bytes +764‎ Per Bridge, added explanation for using open concrete diaphragms; minor clarifications.

10 February 2012

• curprev 13:4213:42, 10 February 2012‎ Smithk talk contribs‎ m 178,021 bytes +19‎ →‎751.22.1.1 Material Properties: Per Bridge, clarification of modulus of elasticity formula

3 January 2012

• curprev 14:2814:28, 3 January 2012‎ Smithk talk contribs‎ m 178,002 bytes +504‎ →‎751.22.3.15 Dowel Bars: Per Bridge, added guidance to clarify the design of anchor rods

7 November 2011

• curprev 14:0114:01, 7 November 2011‎ Smithk talk contribs‎ m 177,498 bytes +1,340‎ →‎751.22.1.3 Typical Span Ranges: Per Bridge, clarification on the limitations of the span range charts.

13 June 2011

• curprev 11:3411:34, 13 June 2011‎ Smithk talk contribs‎ m 176,158 bytes +37‎ →‎751.22.3.13 Intermediate Diaphragms: addition of link
• curprev 11:3111:31, 13 June 2011‎ Smithk talk contribs‎ m 176,121 bytes −2‎ →‎751.22.2.4 Shear: Per Bridge, minor correction of the appearance of a variable
• curprev 10:0810:08, 13 June 2011‎ Smithk talk contribs‎ m 176,123 bytes 0‎ →‎751.22.3.13 Intermediate Diaphragms: Per Bridge, the size of the diaphragm was clarified in the "Part Section Showing Interm't Diaphragms" figure.

29 April 2011

• curprev 10:3110:31, 29 April 2011‎ Smithk talk contribs‎ m 176,123 bytes −144‎ →‎751.22.2.4 Shear: Bridge has clarified Girder-Slab Interface guidance

7 April 2011

• curprev 10:0410:04, 7 April 2011‎ Smithk talk contribs‎ m 176,267 bytes +749‎ Updated NU girder properties to correctly reflect calculations based on English units, per Bridge

30 March 2011

• curprev 09:2809:28, 30 March 2011‎ Smithk talk contribs‎ m 175,518 bytes +231‎ →‎751.22.1.4 Span and Structure Lengths: Per Bridge, update of note
• curprev 09:2509:25, 30 March 2011‎ Smithk talk contribs‎ m 175,287 bytes +12‎ →‎751.22.1.4 Span and Structure Lengths
• curprev 09:2109:21, 30 March 2011‎ Smithk talk contribs‎ m 175,275 bytes −322‎ →‎751.22.1.4 Span and Structure Lengths: Per Bridge, simplied laying out prestressed girders similar to laying out steel girders

1 February 2011

• curprev 07:2407:24, 1 February 2011‎ Smithk talk contribs‎ m 175,597 bytes +1‎ →‎751.22.2.2 Prestressing Strands: minor correction, per Bridge

16 December 2010

• curprev 10:1210:12, 16 December 2010‎ Smithk talk contribs‎ m 175,596 bytes +9‎ →‎751.22.3.6 Girder Reinforcement: Per Bridge, corrected the flange and blockout in Fig. 751.22.3.6 NU Std Girder End Section Reinforcement

27 October 2010

• curprev 12:1312:13, 27 October 2010‎ Smithk talk contribs‎ m 175,587 bytes −16‎ →‎751.22.3.12 Non-integral Intermediate Bent Diaphragms: minor correction
• curprev 12:1112:11, 27 October 2010‎ Smithk talk contribs‎ m 175,603 bytes −16‎ →‎751.22.3.11 Non-integral End Bent Diaphragms: minor clarification
• curprev 12:0912:09, 27 October 2010‎ Smithk talk contribs‎ m 175,619 bytes −15‎ →‎751.22.3.11 Non-integral End Bent Diaphragms: minor correction
• curprev 12:0812:08, 27 October 2010‎ Smithk talk contribs‎ m 175,634 bytes 0‎ →‎751.22.3.11 Non-integral End Bent Diaphragms: minor correction
• curprev 11:5111:51, 27 October 2010‎ Smithk talk contribs‎ m 175,634 bytes +6,335‎ Per BR, NU Girder info, based on recommended fabrication practice & other design practices, has been added. 2 options now available for NU Girder end section reinf.; Max haunching increased to 4.5".

8 July 2010

• curprev 07:3607:36, 8 July 2010‎ Smithk talk contribs‎ m 169,299 bytes +240‎ Addition of video

15 April 2010

• curprev 09:0909:09, 15 April 2010‎ Smithk talk contribs‎ m 169,059 bytes +10‎ attached article to new EPG 751

30 September 2009

• curprev 10:0810:08, 30 September 2009‎ EPG-Admin talk contribs‎ m 169,049 bytes +21‎ Clarification of note.

28 November 2007

• curprev 08:5408:54, 28 November 2007‎ EPG-Admin talk contribs‎ 169,028 bytes +169,028‎ →‎751.22.3.7 Beam Section Properties Tables - Conventional Concrete