LRFD Bridge Manual
Part III
2013 Edition
_
The Commonwealth of Massachusetts
Deval L. Patrick
Governor
Richard A. Davey
Secretary & CEO
Frank DePaola, P.E.
Administrator
Prepared by
The Massachusetts Department of Transportation
Highway Division
Bridge Section
June 2013
LRFD Bridge Manual
A CKN OWLED GEMEN TS
MassDOT would like to acknowledge the contributions made by the following individuals and
companies in the preparation of the MassDOT LRFD Bridge Manual – 2013 Edition. Their dedicated
efforts have made this edition of the Bridge Manual possible.
Bridge Manual Committee
Alexander K. Bardow, P.E., State Bridge Engineer, MassDOT
Michael L. Merlis, P.E., Bridge Standards Engineer, MassDOT
Bryan L. Busch, P.E., Director of Structural Engineering, CME Associates, Inc.
Joseph P. Gill, P.E., President, Gill Engineering Associates
Contributions Provided By
Peter J. Connors, P.E., Geotechnical Engineer, MassDOT
Richard G. Murphy, P.E., Hydraulics Engineer, MassDOT
Preston A. Huckabee, P.E., Chief Engineer, Gill Engineering Associates
MassDOT Bridge Section, Bridge Design Unit
CME Associates, Inc.
Gill Engineering Associates
LRFD Bridge Manual - Part III
i
LRFD BRIDGE MANUAL
PART III: STANDARD DETAILS
PREFABRICATED BRIDGE ELEMENTS
INTRODUCTION TO PART III OF THIS BRIDGE MANUAL
i.
ii.
iii.
iv.
v.
vi.
vii.
Table i-1
Table i-2
Purpose and Use ................................................................................................. i - 1
Precast Transitions ............................................................................................. i - 1
Design and Detailing ........................................................................................... i - 1
Joints and Closure Pours .................................................................................... i - 2
Grouts and Closure Pours Concrete ................................................................... i - 2
Assembly Plans ................................................................................................... i - 2
Alternate Connection Details .............................................................................. i - 3
List of MassDOT Prefabricated Superstructure Connections............................ i - 4
List of MassDOT Prefabricated Substructure Connections ............................... i - 5
DRAWING NUMBER, DESCRIPTION, DATE OF ISSUE
CHAPTER 1: PRECAST ABUTMENTS
1.1.1
1.1.2
1.1.3
1.1.4
1.1.5
1.1.6
1.1.7
1.1.8
1.1.9
1.1.10
1.1.11
1.1.12
1.1.13
1.1.14
1.1.15
1.1.16
1.1.17
1.1.18
1.1.19
1.1.20
Abutment Plan .......................................................................................... June 2013
Abutment Elevation .................................…………………………………June 2013
Cantilever Abutment - Vertical Section .................................................... June 2013
Stub Abutment - Vertical Section .............................................................. June 2013
Construction Notes for Abutments ............................................................ June 2013
U–Wingwall Elevation .............................................................................. June 2013
Splayed Wingwall Elevation ..................................................................... June 2013
Vertical Section through U-Wingwall with Sidewalk ................................ June 2013
Vertical Section through U-Wingwall with Safety Curb …………………June 2013
Vertical Section through Cantilever Retaining Wall ................................. June 2013
Construction Notes for Cantilever Retaining Wall ................................... June 2013
Horizontal Section at Abutment U-Wingwall ........................................... June 2013
Vertical Section at Abutment U-Wingwall ................................................ June 2013
Horizontal Section at Abutment Splayed Wingwall .................................. June 2013
Vertical Section at Abutment Splayed Wingwall....................................... June 2013
Abutment Stem/Wingwall Shear Key for Width > 2’-0” .......................... June 2013
Backwalls/Wingwalls with Widths !-0” and Footings Shear Keys ....... June 2013
Leveling Bolt Assembly.............................................................................. June 2013
Leveling Bolt Assembly Notes.................................................................... June 2013
Roadway Section with Pavement Sawcut ................................................. June 2013
LRFD Bridge Manual - Part III
1.1.21
1.1.22
ii
Sidewalk Section with Pavement Sawcut................................................... June 2013
Construction Notes for Abutments w/ Pavement Sawcut ......................... June 2013
CHAPTER 2: PRECAST INTEGRAL ABUTMENTS
2.1.1
2.1.2
2.1.3
2.1.4
2.1.5
2.1.6
2.1.7
2.1.8
2.1.9
2.1.10
2.1.11
2.1.12
2.1.13
2.1.14
Abutment Plan ......................................................................................... June 2013
Section at Centerline of Abutment........................................................... June 2013
Wingwall Elevation .................................................................................. June 2013
Abutment Section ..................................................................................... June 2013
Approach Slab Bracket ............................................................................ June 2013
Typical Abutment Reinforcement ........................................................... June 2013
Horizontal Section through Abutment End Block at Acute Corner ....... June 2013
Horizontal Section through Abutment Middle Block ............................. June 2013
Horizontal Section through Abutment End Block at Obtuse Corner..... June 2013
Required CMP Diameter Based on Pile Size ........................................... June 2013
Integral Wingwall Section........................................................................ June 2013
Integral Wingwall Vertical Section.......................................................... June 2013
Construction Notes ................................................................................... June 2013
Designer Notes .......................................................................................... June 2013
CHAPTER 3: PRECAST APPROACH SLABS
3.1.1
3.1.2
3.1.3
3.1.4
3.1.5
3.1.6
3.1.7
Plan ............................................................................................................ June 2013
Longitudinal Section - Type I Approach Slab .......................................... June 2013
Longitudinal Section - Type II Approach Slab ......................................... June 2013
Longitudinal Section - Type III Approach Slab ........................................ June 2013
Typical Transverse Section – Type I, II, and III Approach Slab............... June 2013
Transverse Section through Joint Header – Types II and III
Approach Slabs ......................................................................................... June 2013
Transverse Section through Sleeper – Type II Approach Slab ................. June 2013
CHAPTER 4: PRECAST PIERS
4.1.1
4.1.2
4.1.3
4.1.4
4.1.5
4.1.6
4.1.7
4.1.8
4.1.9
Typical Two Column Pier Front Elevation................................................ June 2013
Typical Triple Column Pier Front Elevation............................................. June 2013
Typical Pier Side Elevation and Section .................................................... June 2013
Typical Pier Front Section ......................................................................... June 2013
Typical Column Dimensions, Horizontal Section, and Spiral
Reinforcement Termination Detail ............................................................ June 2013
Grouted Splice Coupler – Dimensions and Connection Sequence ............. June 2013
Precast Spread Footing Plan and Section .................................................. June 2013
Precast Footing on H-Piles - Plan .............................................................. June 2013
Precast Footing on H-Piles – Vertical Section............................................ June 2013
LRFD Bridge Manual - Part III
4.1.10
4.1.11
4.1.12
4.1.13
4.1.14
4.1.15
4.1.16
4.1.17
4.1.18
4.1.19
4.1.20
iii
Cast-in-Place Footing on H-Piles Option – Vertical Section ...................... June 2013
Details over Pier for NEBT Beams ............................................................ June 2013
Details over Pier Notes for NEBT Beams .................................................. June 2013
Details over Pier for Box Beams ................................................................ June 2013
Details over Pier Notes for Box Beams ...................................................... June 2013
Aesthetic Pier – Typical Triple Column Elevation
(18’-!> = &41923 )5+,/3. = ##?-0”) .......................................................... June 2013
Aesthetic Pier – Typical Triple Column Elevation
(22’-0” < &41923 )5+,/3. = #%?-0”) .......................................................... June 2013
Aesthetic Pier – Typical Side Elevation ..................................................... June 2013
Aesthetic Pier – Typical Vertical Column Section ..................................... June 2013
Aesthetic Pier – Typical Horizontal Column Section................................. June 2013
Aesthetic Pier – Pier Cap Ends .................................................................. June 2013
CHAPTER 5: PRECAST CONCRETE DECK PANELS
5.1.1
5.1.2
5.1.3
2.1.4
5.1.5
5.1.6
5.1.7
5.1.8
5.1.9
5.1.10
5.1.11
5.1.12
5.1.13
5.1.14
5.1.15
5.1.16
5.1.17
5.1.18
5.1.19
5.1.20
5.1.21
5.1.22
(+3-1 '+;498 )0-: = "$< ........................................................................ June 2013
Panel Layout (Skew > 15°)......................................................................... June 2013
Typical Transverse Section ....................................................................... June 2013
Typical Transverse Section Designer Notes ............................................... June 2013
*;5/,+1 (6-,+78 (+3-1 )0-: = "$< ............................................................ June 2013
Atypical Precast Panel ............................................................................... June 2013
Longitudinal Section through Precast Panel ............................................. June 2013
End Anchorage Details for Post-Tensioning ............................................. June 2013
Longitudinal Section through Post-Tensioning Anchorage Assembly....... June 2013
End View of Post-Tensioning Anchorage Assembly .................................. June 2013
Post-Tensioning Duct Connection – Plan and Longitudinal Section ......... June 2013
Shear Key Details....................................................................................... June 2013
Vertical Adjustment Assembly .................................................................. June 2013
Post-Tensioning Notes................................................................................ June 2013
Construction Sequence Notes .................................................................... June 2013
Blockout with Stud Shear Connectors - Plan
Blockout with Horizontal Shear Reinforcement - Plan ............................. June 2013
Sections through Blockout with Stud Shear Connectors
for Steel Beams .......................................................................................... June 2013
Sections through Blockout with Stud Shear Connectors
for NEBT and Precast Prestressed Box Beams.......................................... June 2013
Large Blockouts – Plan and Section .......................................................... June 2013
Sections through Blockout with Horizontal Shear Reinforcement
for NEBT Beams ........................................................................................ June 2013
Cast-in-Place Closure Pour Details............................................................ June 2013
Cast-in-Place Closure Pour Notes.............................................................. June 2013
LRFD Bridge Manual - Part III
5.1.23
5.1.24
5.1.25
5.1.26
5.1.27
5.1.28
5.1.29
5.1.30
5.1.31
5.1.32
5.1.33
5.1.34
5.1.35
iv
Section through Safety Curb for CT-TL2 Barrier .................................... June 2013
Section through Sidewalk for CT-TL2 Barrier ......................................... June 2013
Section through Safety Curb for S3-TL4 Railing ...................................... June 2013
Section through Sidewalk for S3-TL4 Railing ........................................... June 2013
Section through Safety Curb for CP-PL2 Barrier ..................................... June 2013
Section through Sidewalk for CP-PL2 Barrier.......................................... June 2013
Section through Overhang for CF Barriers............................................... June 2013
Precast Deck Panel Reinforcement ............................................................ June 2013
Additional Overhang Reinforcement - CT-TL2 Barrier .......................... June 2013
Additional Overhang Reinforcement - S3-TL4 Railing ............................. June 2013
Additional Overhang Reinforcement - CP-PL2 Barrier............................ June 2013
Additional Overhang Reinforcement - CF-PL2 Barrier............................ June 2013
Additional Overhang Reinforcement - CF-PL3 Barrier............................ June 2013
CHAPTER 6: PRECAST TOLERANCES
6.1.1
6.1.2
6.1.3
6.1.4
6.1.5
6.1.6
6.1.7
6.1.8
Grouted Splice Coupler Tolerances ........................................................... June 2013
Bent Cap Fabrication and Erection Tolerances......................................... June 2013
Column Fabrication and Erection Tolerances........................................... June 2013
Erection Tolerances for Aesthetic Pier ...................................................... June 2013
Wall Segment Erection and Fabrication Tolerances ................................. June 2013
Abutment Erection Tolerances .................................................................. June 2013
Approach Slab Tolerances ......................................................................... June 2013
Precast Deck Panel Tolerances .................................................................. June 2013