Recommended LRFD Minimum Flexural Reinforcement Requirements (2010) / Chapter Skim
Currently Skimming:
Pages 85-114
The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
Select key terms on the right to highlight them within pages of the chapter.
From page 85... ...
Appendix A Parametric Study Results
|
From page 86... ...
PBS&J Post, Buckley, Schuh and Jernigan, Inc BY: P.M DATE: 10/08 CLIENT: SHEET NO.: OF: CHECKED: DATE: JOB: NCHRP 12-80 JOB NO.: SUMMARY - REINFORCED CONCRETE SECTIONS Section Method Required area of steel (in2)
|
From page 87... ...
PBS&J Post, Buckley, Schuh and Jernigan, Inc BY: P.M DATE: 10/08 CLIENT: SHEET NO.: OF: CHECKED: DATE: JOB: NCHRP 12-80 JOB NO.: SUMMARY - PRESTRESSED SECTIONS Section Method Required area of steel (in2)
|
From page 88... ...
PBS&J Post, Buckley, Schuh and Jernigan, Inc BY: P.M DATE: 10/08 CLIENT: SHEET NO.: OF: CHECKED: DATE: JOB: NCHRP 12-80 JOB NO.: Section Method Required area of steel (in2)
|
From page 89... ...
PBS&J Post, Buckley, Schuh and Jernigan, Inc BY: P.M DATE: 10/08 CLIENT: SHEET NO.: OF: CHECKED: DATE: JOB: NCHRP 12-80 JOB NO.: CALCULATION OF MINIMUM REINFORCEMENT - CONVENTIONAL SLAB CRS1 h = 10.50 in b = 12.00 in A = 126.00 in2 I = 1157.63 in4 yb = 5.25 in f'c = 3.6 ksi fy = 60 ksi Clearance clr = 2 in 1) AASHTO LRFD 5.7.3.3.2 Ø Mn ≥ 1.2 Mcr with Ø = 0.9 (AASHTO 5.5.4.2.1)
|
From page 90... ...
PBS&J Post, Buckley, Schuh and Jernigan, Inc BY: P.M DATE: 10/08 CLIENT: SHEET NO.: OF: CHECKED: DATE: JOB: NCHRP 12-80 JOB NO.: CALCULATION OF MINIMUM REINFORCEMENT - CONVENTIONAL SLAB CRS2 h = 21.50 in b = 12.00 in A = 258.00 in2 I = 9938.38 in4 yb = 10.75 in f'c = 3.6 ksi fy = 60 ksi Clearance clr = 2 in 1) AASHTO LRFD 5.7.3.3.2 Ø Mn ≥ 1.2 Mcr with Ø = 0.9 (AASHTO 5.5.4.2.1)
|
From page 91... ...
PBS&J Post, Buckley, Schuh and Jernigan, Inc BY: P.M DATE: 10/08 CLIENT: SHEET NO.: OF: CHECKED: DATE: JOB: NCHRP 12-80 JOB NO.: CALCULATION OF MINIMUM REINFORCEMENT - POST-TENSIONED SLAB CPS1 h = 15.00 in b = 12.00 in A = 180.00 in2 I = 3375.00 in4 yb = 7.50 in f'c = 4.0 ksi fy = 60 ksi fpu = 270 ksi 1) AASHTO LRFD 5.7.3.3.2 Ø Mn ≥ 1.2 Mcr with Ø = 1.0 (AASHTO 5.5.4.2.1)
|
From page 92... ...
PBS&J Post, Buckley, Schuh and Jernigan, Inc BY: P.M DATE: 10/08 CLIENT: SHEET NO.: OF: CHECKED: DATE: JOB: NCHRP 12-80 JOB NO.: CALCULATION OF MINIMUM REINFORCEMENT - POST-TENSIONED SLAB CPS2 h = 24.00 in b = 12.00 in A = 288.00 in2 I = 13824.00 in4 yb = 12.00 in f'c = 4.0 ksi fy = 60 ksi fpu = 270 ksi 1) AASHTO LRFD 5.7.3.3.2 Ø Mn ≥ 1.2 Mcr with Ø = 1.0 (AASHTO 5.5.4.2.1)
|
From page 93... ...
PBS&J Post, Buckley, Schuh and Jernigan, Inc BY: P.M DATE: 10/08 CLIENT: SHEET NO.: OF: CHECKED: DATE: JOB: NCHRP 12-80 JOB NO.: CALCULATION OF MINIMUM REINFORCEMENT - REINFORCED CONCRETE BOX GIRDER BRC1 h = 38.40 in bf = 76.80 in bw = 8.00 in td = 7.10 in ts = 6.00 in A = 1208.48 in2 I = 268255.86 in4 yb = 19.96 in f'c = 3.6 ksi fy = 60 ksi Clearance clr = 2 in 1) AASHTO LRFD 5.7.3.3.2 Ø Mn ≥ 1.2 Mcr with Ø = 0.9 (AASHTO 5.5.4.2.1)
|
From page 94... ...
PBS&J Post, Buckley, Schuh and Jernigan, Inc BY: P.M DATE: 10/08 CLIENT: SHEET NO.: OF: CHECKED: DATE: JOB: NCHRP 12-80 JOB NO.: CALCULATION OF MINIMUM REINFORCEMENT - REINFORCED CONCRETE BOX GIRDER BRC2 h = 79.20 in bf = 156.00 in bw = 8.00 in td = 9.50 in ts = 9.30 in A = 3416.00 in2 I = 3740350.86 in4 yb = 39.89 in f'c = 3.6 ksi fy = 60 ksi Clearance clr = 2 in 1) AASHTO LRFD 5.7.3.3.2 Ø Mn ≥ 1.2 Mcr with Ø = 0.9 (AASHTO 5.5.4.2.1)
|
From page 95... ...
PBS&J Post, Buckley, Schuh and Jernigan, Inc BY: P.M DATE: 10/08 CLIENT: SHEET NO.: OF: CHECKED: DATE: JOB: NCHRP 12-80 JOB NO.: CALCULATION OF MINIMUM REINFORCEMENT - PRESTRESSED CONCRETE BOX GIRDER BPT1 h = 38.40 in bf = 76.80 in bw = 12.00 in td = 7.00 in ts = 6.00 in A = 1303.20 in2 I = 272966.55 in4 yb = 19.84 in f'c = 4.0 ksi fy = 60 ksi fpu = 270 ksi 1) AASHTO LRFD 5.7.3.3.2 Ø Mn ≥ 1.2 Mcr with Ø = 1.0 (AASHTO 5.5.4.2.1)
|
From page 96... ...
PBS&J Post, Buckley, Schuh and Jernigan, Inc BY: P.M DATE: 10/08 CLIENT: SHEET NO.: OF: CHECKED: DATE: JOB: NCHRP 12-80 JOB NO.: CALCULATION OF MINIMUM REINFORCEMENT - PRESTRESSED CONCRETE BOX GIRDER BPT2 h = 120.00 in bf = 240.00 in bw = 12.00 in td = 10.10 in ts = 10.10 in A = 6045.60 in2 I = 15673772.18 in4 yb = 60.00 in f'c = 4.0 ksi fy = 60 ksi fpu = 270 ksi 1) AASHTO LRFD 5.7.3.3.2 Ø Mn ≥ 1.2 Mcr with Ø = 1.0 (AASHTO 5.5.4.2.1)
|
From page 97... ...
PBS&J Post, Buckley, Schuh and Jernigan, Inc BY: P.M DATE: 10/08 CLIENT: SHEET NO.: OF: CHECKED: DATE: JOB: NCHRP 12-80 JOB NO.: CALCULATION OF MINIMUM REINFORCEMENT - CAP BEAM CAP1 h = 48.00 in bf = 120.00 in bw = 72.00 in td = 7.50 in ts = 12.00 in A = 4392.00 in2 I = 1004240.88 in4 yb = 23.30 in f'c = 4.0 ksi fy = 60 ksi Clearance clr = 2 in 1) AASHTO LRFD 5.7.3.3.2 Ø Mn ≥ 1.2 Mcr with Ø = 0.9 (AASHTO 5.5.4.2.1)
|
From page 98... ...
PBS&J Post, Buckley, Schuh and Jernigan, Inc BY: P.M DATE: 10/08 CLIENT: SHEET NO.: OF: CHECKED: DATE: JOB: NCHRP 12-80 JOB NO.: CALCULATION OF MINIMUM REINFORCEMENT - CAP BEAM CAP2 h = 120.00 in bf = 216.00 in bw = 120.00 in td = 10.00 in ts = 12.00 in A = 16512.00 in2 I = 23559695.63 in4 yb = 59.43 in f'c = 4.0 ksi fy = 60 ksi Clearance clr = 2 in 1) AASHTO LRFD 5.7.3.3.2 Ø Mn ≥ 1.2 Mcr with Ø = 0.9 (AASHTO 5.5.4.2.1)
|
From page 99... ...
PBS&J Post, Buckley, Schuh and Jernigan, Inc BY: P.M DATE: 10/08 CLIENT: SHEET NO.: OF: CHECKED: DATE: JOB: NCHRP 12-80 JOB NO.: CALCULATION OF MINIMUM REINFORCEMENT - FOOTING F1 h = 60.00 in b = 168.00 in A = 10080.00 in2 I = 3024000 in4 yb = 30.00 in f'c = 4.0 ksi fy = 60 ksi Clearance clr = 3 in 1) AASHTO LRFD 5.7.3.3.2 Ø Mn ≥ 1.2 Mcr with Ø = 0.9 (AASHTO 5.5.4.2.1)
|
From page 100... ...
PBS&J Post, Buckley, Schuh and Jernigan, Inc BY: P.M DATE: 10/08 CLIENT: SHEET NO.: OF: CHECKED: DATE: JOB: NCHRP 12-80 JOB NO.: CALCULATION OF MINIMUM REINFORCEMENT - FOOTING F2 h = 120.00 in b = 360.00 in A = 43200.00 in2 I = 51840000 in4 yb = 60.00 in f'c = 4.0 ksi fy = 60 ksi Clearance clr = 6 in 1) AASHTO LRFD 5.7.3.3.2 Ø Mn ≥ 1.2 Mcr with Ø = 0.9 (AASHTO 5.5.4.2.1)
|
From page 101... ...
PBS&J Post, Buckley, Schuh and Jernigan, Inc BY: P.M DATE: 10/08 CLIENT: SHEET NO.: OF: CHECKED: DATE: JOB: NCHRP 12-80 JOB NO.: CALCULATION OF MINIMUM REINFORCEMENT - PRECAST PRESTRESSED I-GIRDER PCI1 h = 43.50 in bf = 64.40 in td = 7.50 in A = 852.00 in2 I = 172939.74 in4 yb = 29.39 in f'c g = 5.0 ksi f'c d = 4.0 ksi fy = 60 ksi fpu = 270 ksi 1) AASHTO LRFD 5.7.3.3.2 Ø Mn ≥ 1.2 Mcr with Ø = 1.0 (AASHTO 5.5.4.2.1)
|
From page 102... ...
PBS&J Post, Buckley, Schuh and Jernigan, Inc BY: P.M DATE: 10/08 CLIENT: SHEET NO.: OF: CHECKED: DATE: JOB: NCHRP 12-80 JOB NO.: CALCULATION OF MINIMUM REINFORCEMENT - PRECAST PRESTRESSED I-GIRDER PCI2 h = 104.50 in bf = 88.99 in td = 8.50 in A = 1953.70 in2 I = 3000090.93 in4 yb = 65.52 in f'c g = 10.0 ksi f'c d = 5.5 ksi fy = 60 ksi fpu = 270 ksi 1) AASHTO LRFD 5.7.3.3.2 Ø Mn ≥ 1.2 Mcr with Ø = 1.0 (AASHTO 5.5.4.2.1)
|
From page 103... ...
PBS&J Post, Buckley, Schuh and Jernigan, Inc BY: P.M DATE: 10/08 CLIENT: SHEET NO.: OF: CHECKED: DATE: JOB: NCHRP 12-80 JOB NO.: CALCULATION OF MINIMUM REINFORCEMENT - PRECAST PRESTRESSED U-BEAM PUB1 h = 43.00 in bf = 90.71 in td = 7.00 in A = 1667.03 in2 I = 377841.47 in4 yb = 24.65 in f'c g = 7.0 ksi f'c d = 4.0 ksi fy = 60 ksi fpu = 270 ksi bw = 33.46 in 1) AASHTO LRFD 5.7.3.3.2 Ø Mn ≥ 1.2 Mcr with Ø = 1.0 (AASHTO 5.5.4.2.1)
|
From page 104... ...
PBS&J Post, Buckley, Schuh and Jernigan, Inc BY: P.M DATE: 10/08 CLIENT: SHEET NO.: OF: CHECKED: DATE: JOB: NCHRP 12-80 JOB NO.: CALCULATION OF MINIMUM REINFORCEMENT - PRECAST PRESTRESSED U-BEAM PUB2 h = 103.00 in bf = 142.39 in td = 7.00 in A = 3002.75 in2 I = 4081912.23 in4 yb = 62.58 in f'c g = 10.0 ksi f'c d = 5.5 ksi fy = 60 ksi fpu = 270 ksi 1) AASHTO LRFD 5.7.3.3.2 Ø Mn ≥ 1.2 Mcr with Ø = 1.0 (AASHTO 5.5.4.2.1)
|
From page 105... ...
PBS&J Post, Buckley, Schuh and Jernigan, Inc BY: P.M DATE: 10/08 CLIENT: SHEET NO.: OF: CHECKED: DATE: JOB: NCHRP 12-80 JOB NO.: CALCULATION OF MINIMUM REINFORCEMENT - PRECAST PRESTRESSED BOX-BEAM PBB1 h = 27.00 in bf = 42.93 in td = 5.00 in A = 633.04 in2 I = 60659.69 in4 yb = 12.99 in f'c g = 5.0 ksi f'c d = 4.0 ksi fy = 60 ksi fpu = 270 ksi bw = 15.26 in 1) AASHTO LRFD 5.7.3.3.2 Ø Mn ≥ 1.2 Mcr with Ø = 1.0 (AASHTO 5.5.4.2.1)
|
From page 106... ...
PBS&J Post, Buckley, Schuh and Jernigan, Inc BY: P.M DATE: 10/08 CLIENT: SHEET NO.: OF: CHECKED: DATE: JOB: NCHRP 12-80 JOB NO.: CALCULATION OF MINIMUM REINFORCEMENT - PRECAST PRESTRESSED BOX-BEAM PBB2 h = 47.00 in bf = 32.20 in td = 5.00 in A = 719.39 in2 I = 196297.71 in4 yb = 22.75 in f'c g = 5.0 ksi f'c d = 4.0 ksi fy = 60 ksi fpu = 270 ksi bw = 15.26 in 1) AASHTO LRFD 5.7.3.3.2 Ø Mn ≥ 1.2 Mcr with Ø = 1.0 (AASHTO 5.5.4.2.1)
|
From page 107... ...
PBS&J Post, Buckley, Schuh and Jernigan, Inc BY: P.M DATE: 10/08 CLIENT: SHEET NO.: OF: CHECKED: DATE: JOB: NCHRP 12-80 JOB NO.: CALCULATION OF MINIMUM REINFORCEMENT - PRECAST PRESTRESSED SLAB PPS1 h = 12.00 in b = 48.00 in A = 567.14 in2 I = 6852.25 in4 yb = 5.98 in f'c = 4.0 ksi fy = 60 ksi fpu = 270 ksi 1) AASHTO LRFD 5.7.3.3.2 Ø Mn ≥ 1.2 Mcr with Ø = 1.0 (AASHTO 5.5.4.2.1)
|
From page 108... ...
PBS&J Post, Buckley, Schuh and Jernigan, Inc BY: P.M DATE: 10/08 CLIENT: SHEET NO.: OF: CHECKED: DATE: JOB: NCHRP 12-80 JOB NO.: CALCULATION OF MINIMUM REINFORCEMENT - PRECAST PRESTRESSED SLAB PPS2 h = 21.50 in b = 36.00 in A = 531.82 in2 I = 27433.25 in4 yb = 10.67 in f'c = 4.0 ksi fy = 60 ksi fpu = 270 ksi 1) AASHTO LRFD 5.7.3.3.2 Ø Mn ≥ 1.2 Mcr with Ø = 1.0 (AASHTO 5.5.4.2.1)
|
From page 109... ...
PBS&J Post, Buckley, Schuh and Jernigan, Inc BY: P.M DATE: 10/08 CLIENT: SHEET NO.: OF: CHECKED: DATE: JOB: NCHRP 12-80 JOB NO.: CALCULATION OF MINIMUM REINFORCEMENT - SPLICED PRECAST PRESTRESSED GIRDER PSP1 h = 79.50 in bf = 90.71 in td = 7.50 in A = 1737.88 in2 I = 1365254.77 in4 yb = 52.03 in f'c g = 7.0 ksi f'c d = 4.0 ksi fy = 60 ksi fpu = 270 ksi 1) AASHTO LRFD 5.7.3.3.2 Ø Mn ≥ 1.2 Mcr with Ø = 1.0 (AASHTO 5.5.4.2.1)
|
From page 110... ...
PBS&J Post, Buckley, Schuh and Jernigan, Inc BY: P.M DATE: 10/08 CLIENT: SHEET NO.: OF: CHECKED: DATE: JOB: NCHRP 12-80 JOB NO.: CALCULATION OF MINIMUM REINFORCEMENT - SPLICED PRECAST PRESTRESSED GIRDER PSP2 h = 188.50 in bf = 88.99 in td = 8.50 in A = 2664.36 in2 I = 12160103.94 in4 yb = 117.21 in f'c g = 10.0 ksi f'c d = 5.5 ksi fy = 60 ksi fpu = 270 ksi 1) AASHTO LRFD 5.7.3.3.2 Ø Mn ≥ 1.2 Mcr with Ø = 1.0 (AASHTO 5.5.4.2.1)
|
From page 111... ...
PBS&J Post, Buckley, Schuh and Jernigan, Inc BY: P.M DATE: 10/08 CLIENT: SHEET NO.: OF: CHECKED: DATE: JOB: NCHRP 12-80 JOB NO.: CALCULATION OF MINIMUM REINFORCEMENT - SPAN-BY-SPAN SEGMENTAL BRIDGE GIRDER SBS1 h = 72.00 in bf = 336.00 in A = 6259.16 in2 I = 4565870.34 in4 yb = 45.94 in f'c = 7.0 ksi fy = 60 ksi fpu = 270 ksi 1) AASHTO LRFD 5.7.3.3.2 Ø Mn ≥ 1.2 Mcr with Ø = 0.9 (AASHTO 5.5.4.2.2)
|
From page 112... ...
PBS&J Post, Buckley, Schuh and Jernigan, Inc BY: P.M DATE: 10/08 CLIENT: SHEET NO.: OF: CHECKED: DATE: JOB: NCHRP 12-80 JOB NO.: CALCULATION OF MINIMUM REINFORCEMENT - SPAN-BY-SPAN SEGMENTAL BRIDGE GIRDER SBS2 h = 96.00 in bf = 540.00 in A = 9354.51 in2 I = 11744489.52 in4 yb = 65.49 in f'c = 7.0 ksi fy = 60 ksi fpu = 270 ksi 1) AASHTO LRFD 5.7.3.3.2 Ø Mn ≥ 1.2 Mcr with Ø = 0.9 (AASHTO 5.5.4.2.2)
|
From page 113... ...
PBS&J Post, Buckley, Schuh and Jernigan, Inc BY: P.M DATE: 10/08 CLIENT: SHEET NO.: OF: CHECKED: DATE: JOB: NCHRP 12-80 JOB NO.: CALCULATION OF MINIMUM REINFORCEMENT - BALANCED CANTILEVER BRIDGE GIRDER SBC1 h = 72.00 in bf = 336.00 in A = 7471.00 in2 I = 5269583.65 in4 yb = 44.29 in f'c = 7.0 ksi fy = 60 ksi fpu = 270 ksi 1) AASHTO LRFD 5.7.3.3.2 Ø Mn ≥ 1.2 Mcr with Ø = 0.95 (AASHTO 5.5.4.2.2)
|
From page 114... ...
PBS&J Post, Buckley, Schuh and Jernigan, Inc BY: P.M DATE: 10/08 CLIENT: SHEET NO.: OF: CHECKED: DATE: JOB: NCHRP 12-80 JOB NO.: CALCULATION OF MINIMUM REINFORCEMENT - BALANCED CANTILEVER BRIDGE GIRDER SBC2 h = 120.00 in bf = 540.00 in A = 12020.08 in2 I = 23216472.58 in4 yb = 78.78 in f'c = 7.0 ksi fy = 60 ksi fpu = 270 ksi 1) AASHTO LRFD 5.7.3.3.2 Ø Mn ≥ 1.2 Mcr with Ø = 0.95 (AASHTO 5.5.4.2.2)
|
Key Terms
This material may be derived from roughly machine-read images, and so is provided only to facilitate research.
More
information on Chapter Skim is available.