bridge design guides
DESCRIPTION
design guideTRANSCRIPT
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1. M
ISCELLANEOUS STANDARDS
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PREFACE TO MICHIGAN DEPARTMENT OF TRANSPORTATION
BRIDGE DESIGN GUIDES
These Guides have been developed to serve as an aid for designing and detailing bridges in Michigan. The intent is to provide consistency in office practice and interpretation of the current AASHTO Specifications. It is recognized that these Guides cannot always be up to date nor apply to all situations and that judgment must be used at times. The Guides contained herein are to be used for reference only. When using details on plans, designers and detailers shall confirm that dimensions and notes are appropriate for job specific situations. Every attempt will be made to keep these files current but it is the responsibility of the designer and/or detailer to insure that all details and notes are the most current and according to the appropriate specifications.
1.00.00
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MICHIGAN DEPARTMENT OF TRANSPORTATION BRIDGE DESIGN GUIDES
TABLE OF CONTENTS
SECTION 1 - MISCELLANEOUS STANDARDS
1.00.01 - .05 Table of Contents
1.11.01 Decimal Parts of a Foot and Inch
1.21.01 Factors for Bridge Estimates
SECTION 3 - WATERWAY AND DRAINAGE
3.25.01 Drainage Details for Abutments in Cut
3.25.03 Drainage Details at Side Piers
SECTION 4 - APPROACHES
4.11.01 Vertical Curve Calculations
4.23.01 Median Treatment at Dual Structures with Separate Abutments
4.23.02 Median Treatment at Dual Structures with Continuous Abutments
SECTION 5 - SUBSTRUCTURE
5.16.01, .01A Cantilever Abutment Reinforcing
5.17.01 Slopewall Details
5.17.03 Retaining Wall Treatments
5.17.05 Return Wall Details - County Road over Trunklines
5.17.06 Wingwall Treatment - Trunkline over Trunkline, County Road or Railroad
5.17.07 Wingwall Treatment - Stream Crossing
5.18.01 Curtainwall Abutment
5.18.01A Curtainwall Abutment Reinforcing
5.20.01 Abutment Joints
5.20.02 Wall Expansion Joint Drain
5.21.01 Pier Nosing Detail
5.22.01 Base Wall Details for Pier Adjacent to Roadway
5.24.01 Base Wall Details for Pier Adjacent to Railroad
5.24.03 Railroad Side Clearances - Single Track Under
5.24.04 Railroad Side Clearances - Double Track Under
1.00.01
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CONTENTS SECTION 5 - SUBSTRUCTURE (cont)
5.27.03 Pier Cap Details - Round Column Piers
5.27.04 Partial Metal Bulkhead for Pier Cap Construction Joint
5.27.05 Metal Bulkhead for Abutment Construction Joint
5.45.01 Compacted Mound Under Footings
5.46.01 - .05A Structure Backfill and Embankment - Abutments
5.46.06 Structure Backfill and Foundation Excavation - Abutments
SECTION 6 - SUPERSTRUCTURE
6.05.01A - .03 Bridge Deck Cross Sections
6.06.01 - .04 Substructure Clearances
6.06.05 Clear Zone Distances (Lc)
6.06.05A Curve Correction Factors (Kcz)
6.11.01 Modified Parabolic Crown Offsets
6.11.02 Straight Line Superelevation
6.20.01 Typical Section thru Dependent Backwall
6.20.01A Replacement of Existing End Header
6.20.03 Typical Section thru Independent Backwall
6.20.03A Typical Section thru Independent Backwall with Sliding Slab
6.20.04 Integral and Semi-Integral Abutment Backwall
6.20.04A Integral and Semi-Integral Abutment Partial Backwall Details
6.20.04B Integral and Semi-Integral Abutment Approach Slab Details
6.20.04C Integral and Semi-Integral Abutment Sleeper Slab Details
6.20.04D Integral Abutment - Single Row Of Piles (Section Thru Stub Abutment)
6.20.04E Integral Abutment - Single Row Of Piles (Pile Orientation)
6.20.04F Semi - Integral Abutment - Sliding Backwall (Section Thru Abutment)
6.23.01 Construction, Expansion and False Joint Details
6.28.06 Expansion Joint Cover Retrofit
6.29.05 Joint Details for Solid Parapet, Sidewalk, or Brush Block with Expansion Joint Device EJ3
6.29.06 Bridge Railing, 2 Tube
6.29.06A Bridge Railing, 2 Tube on Prestressed Box Beam Deck
1.00.02
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CONTENTS SECTION 6 - SUPERSTRUCTURE (cont)
6.29.08 Bridge Barrier Railing, Type 5
6.29.08A Bridge Barrier Railing, Type 5 (Mod.) for Railing Replacement
6.29.08B Bridge Barrier Railing, Type 5 Aesthetic
6.29.09 Bridge Barrier Railing, Type 4
6.29.09A, B, C Bridge Barrier Railing, Type 4 (Mod.) for Railing Replacement
6.29.09D Bridge Barrier Railing, Type 4 (Two-stage Deck)
6.29.09E Bridge Barrier Railing, Type 4 on Prestressed Box Beam Deck
6.29.09F Bridge Barrier Railing, Type 4 Aesthetic
6.29.10, .10A-E Bridge Railing, Aesthetic Parapet Tube Sections and Details
6.29.11 Joint Detail for Bridge Barrier Railing with Expansion Joint
6.29.13, .13A Barrier Railing Details at Light Standard
6.29.15 Barrier Railing Details at Dependent Backwall
6.29.16, .16A Barrier Railing Details at Independent Backwall
6.29.17, .17A-H Bridge Railing, 4 Tube Sections and Details
6.41.01 Standard Bridge Slabs (Load Factor Design)
6.41.02 Standard Bridge Slabs (Empirical Design)
6.42.03 Slab Haunch & Reinforcement Cover
6.60.01 Prestressed Concrete I Beam Details
6.60.02 Michigan 1800 Girder
6.60.11, .11A Pier Diaphragms for Prestressed Concrete Beams Continuous for Live Load
6.60.11B Pier for Prestressed Concrete Box Beams Continuous for Live Load
6.60.12 Diaphragms for Prestressed Concrete I Beams
6.60.12A Intermediate Steel Diaphragms for 28" Through 54" Prestressed Girders
6.60.12B Intermediate Steel Diaphragms for 70" & MI 1800 Prestressed Girders
6.60.13 Details at Abutments for Prestressed Concrete I Beams
6.65.02, 02A-B Prestressed Concrete Box Beam Properties
6.65.10, .11 Prestressed Concrete Box Beam Reinforcement Details 6.65.10A-E
6.65.12, .12A Prestressed Concrete Box Beam Details
6.65.13, .13A Prestressed Concrete Box Beam and Post - Tensioning Details
6.65.14, .14A Prestressed Concrete Beam Lifting Device Details
1.00.03
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CONTENTS SECTION 7 - STEEL REINFORCEMENT
7.11.01 Metric Reinforcing Bars
7.14.01, .01A Steel Reinforcement Laps and Development Lengths
7.14.02, .02A Lap and Development Lengths for Epoxy Coated Steel Reinforcement
7.14.03 Embedment for Hooked Bars, Grade 60 Steel
7.15.01, .02 Standard Reinforcing Bar Types
SECTION 8 - STRUCTURAL STEEL
8.06.02, .02A Welded Girder, Camber Diagram and Stiffener Details
8.06.03 Plate Girder Welding Details
8.07.01 Stud Shear Developer Details
8.11.03 Diaphragm and Connection Plate Details
8.11.04 End Diaphragm Connection Details 30 to 45
8.11.05, .05A Lateral Bracing Details
8.11.06 End Cross Frames
8.11.07 Intermediate and Pier Cross Frames
8.11.08 Bolted Connections for Intermediate Diaphragms and Crossframes
8.14.02 Beam or Girder Suspender Design Table
8.15.01 Suspender Details for Cantilevered Plate Girders
8.15.01A Pin Detail
8.16.02 Suspender Details for Rolled Beams
8.21.01 CIP Pile Splices
8.21.02, .02A H Pile Splice Details
8.21.03 CIP Pile Point Details
8.26.01 Fastener Detailing Minimums
8.31.01 Guide for Selection of Bearing Types for Steel Structures
8.31.02 Offset Dimensions for Rocker Tilt
8.32.01, .02 Expansion Rockers - Steel Beams
8.32.03 - .06 Fixed Bearings - Steel Beams
8.32.07 Expansion Rocker with Provision for Uplift
8.42.01 Curved Steel Plate Bearing Details
8.43.01 Bearing Details for Prestressed Concrete I Beams
8.43.01A Bearing Details for Prestressed Concrete Box Beams
1.00.04
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CONTENTS
SECTION 9 - UTILITY DATA
9.12.01 Weight of Utilities
9.21.01 Dimensions for 5" Steel Electrical Conduits
9.21.02 Structural Steel Diaphragm Details for 5" Steel Electrical Conduits
9.21.03 Dimensions for Telephone Company 4" Ducts
9.21.04 Structural Steel Diaphragm Details for Telephone Company Conduits
9.21.05 Backwall Details for Electrical and Telephone Conduits
9.22.01 Dimensions for 5" P.V.C. Electrical Conduits
9.22.02 - .07 Structural Steel Diaphragm Details for 5" P.V.C. Electrical Conduits
9.31.01 Nonmetallic Conduits in Sidewalk
9.33.01 Telephone Company Ducts in Sidewalks
9.40.01 Gas Main through Backwall
9.40.02 Structural Steel Diaphragm Details for Consumers Energy Company Gas Mains
9.40.03 Structural Steel Diaphragm for DTE Energy Gas Mains
9.50.01 Utility Charges
1.00.05
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3. W
ATER
WA
Y & DR
AIN
AGE
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3.25.01
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SUPERSEDES:08/15/03 ABUTMENTS IN CUT
DRAINAGE DETAILS FOR
(SEE GUIDE 5.46.01).FOUNDATION UNDERDRAINS SHOULD BE PROVIDED FOR PILE SUPPORTED ABUTMENTS ON FILLS
FOOTING ELEVATION AND BACKFILLED WITH STRUCTURE BACKFILL (CIP).WHEN DRAINAGE WILL PERMIT, THE FOUNDATION UNDERDRAIN SHOULD BE PLACED AT THE BOTTOM OF
NOTES:
FOR STRUCTURES CONSTRUCTED IN IMPERVIOUS SOIL
DETAIL OF DRAINAGE AND BACKFILL AT ABUTMENTS
BID ITEMS:
DETAIL FOR DRAINAGE INTO DITCH
APPROACHING TRAFFIC.LOCATE ON OPPOSITE SIDE FROMSCREEN WITH HARDWARE CLOTH.(SEE STANDARD PLAN R-80-SERIES)CONCRETE RING
FOUNDATION UNDERDRAIN
1% SLOPE
FITTINGS
3
-
0"
M
I
N
.
STRUCTURE BACKFILL
EXCAVATEDOF SAME MATERIALCOMPACTED BACKFILL
SLOPE PROTECTION
EXCAVATEDOF SAME MATERIALCOMPACTED BACKFILL
1-6"
(TYP)
LIMITSEXCAVATIONFOUNDATION
STRUCTURE BACKFILL
DRAIN FOUNDATION UNDERDRAIN INTO A DITCH, ROADWAY UNDERDRAIN, OR A SEWER
4" FOUNDATION UNDERDRAIN
6"
4" MIN.1-0" PREFERRED
** DR MARKER POST ............................ EA * UNDERDRAIN, OUTLET ENDING, 4 INCH ......... EA UNDERDRAIN OUTLET, 4 INCH ................. FT UNDERDRAIN, FDN, 4 INCH ................... FT
** USE WHEN FOUNDATION UNDERDRAIN DOES NOT OUTLET INTO A ROADWAY UNDERDRAIN OR A SEWER. * NOT REQUIRED WHEN CONNECTING TO A SEWER.
ISSUED: 02/14/11
BUREAU OF HIGHWAY DEVELOPMENTMICHIGAN DEPARTMENT OF TRANSPORTATIONDRAWN BY:
APPROVED BY:
DESIGN DIVISIONPREPARED BY
SUPERSEDES: / /
ISSUED: / /
CHECKED BY:
-
3.25.03
VZ
BLT
SUPERSEDES:08/15/03
FOOTING ELEVATION AND BACKFILLED WITH STRUCTURE BACKFILL (CIP).WHEN DRAINAGE WILL PERMIT, THE FOUNDATION UNDERDRAIN SHOULD BE PLACED AT THE BOTTOM OF
NOTES:
BID ITEMS:
STRUCTURE BACKFILL
EXCAVATEDOF SAME MATERIALCOMPACTED BACKFILL
EXCAVATEDOF SAME MATERIALCOMPACTED BACKFILL
1-6"
(TYP)
4" FOUNDATION UNDERDRAIN
6"
UNDERDRAIN OUTLET, 4 INCH ................. FT UNDERDRAIN, FDN, 4 INCH ................... FT
DRAINAGE DETAILS SHOWN ARE NOT APPLIABLE TO PIERS IN SIDE SLOPES.
DRAIN FOUNDATION UNDERDRAIN INTO A ROADWAY UNDERDRAIN OR A SEWER.
DRAINAGE DETAILS AT SIDE PIERS
FOR STRUCTURES CONSTRUCTED IN IMPERVIOUS SOIL
DETAIL OF DRAINAGE AND BACKFILL AT SIDE PIERS
2"! WEEP HOLE
CONCRETE END HEADER
SLOPE PAVING, CONCRETE
1 ON
2
FOUNDATION EXCAVATION LIMITS
SAND SUBBASE
ISSUED: 02/14/11
BUREAU OF HIGHWAY DEVELOPMENTMICHIGAN DEPARTMENT OF TRANSPORTATIONDRAWN BY:
APPROVED BY:
DESIGN DIVISIONPREPARED BY
SUPERSEDES: / /
ISSUED: / /
CHECKED BY:
-
4. A
PPROACHES
-
4.23.02
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SUPERSEDES:11/27/01
PLAN
LONGITUDINAL APPROACH SECTION
ELEVATION
TOP OF BERM
TOP OF BERM
1 ON
2
PLAN
ED
GE
OF
PA
VE
ME
NT
REF. LINE
SH
OU
LD
ER
HI
NG
E
LI
NE
REF. LINE
\
RO
AD
WA
Y
\
RO
AD
WA
Y
ED
GE
OF
PA
VE
ME
NT
OBJ
EC
T
PR
OT
EC
TI
ON
GU
AR
DR
AI
L
ME
DI
AN
CU
RB
&
GU
TT
ER (
TY
P)
BRI
DG
E
AP
PR
OA
CH
1
ON
2
SH
OU
LD
ER
HI
NG
E
LI
NE
WITH CONTINUOUS ABUTMENTSMEDIAN TREATMENT AT DUAL STRUCTURES
ISSUED: 02/14/11
5
BUREAU OF HIGHWAY DEVELOPMENTMICHIGAN DEPARTMENT OF TRANSPORTATIONDRAWN BY:
APPROVED BY:
DESIGN DIVISIONPREPARED BY
SUPERSEDES: / /
ISSUED: / /
CHECKED BY:
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5. SUBSTRUCTURE
-
5.20.02
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NOTES:
AS "UNDERDRAIN, FDN, 4 INCH."THE FOUNDATION UNDERDRAIN SHALL BE PAID FOR SEPARATELY
AS DETAILED.ATTACHING THE POLYMER CORE AND GEOTEXTILE LINERTHE ITEM "WALL DRAIN" INCLUDES FURNISHING AND
NOTE TO DETAILER:
SHOULD NOT BE PLACED ON STRUCTURES CROSSING WATERWAYS.RETAINING WALLS AND FULL HEIGHT ABUTMENTS BUTWALL DRAINS SHOULD BE USED AT EXPANSION JOINTS IN
WALL EXPANSION JOINT DRAIN
WALL ELEVATION WALL SECTION
SECTION A-A
BY THE MANUFACTURERSEAL AS RECOMMENDED
1-6" POLYMER CORE
BY THE MANUFACTURERSEAL AS RECOMMENDED
1-6"
WA
LL
THI
CK
NE
SS
KE
Y
AP
PR
OX.
1/
3
MA
X.
OR TOP OF FILLTOP OF PAVEMENT
AA
STANDARD SPECIFICATION 910.05.GEOCOMPOSITE DRAIN SHALL MEET THE REQUIREMENTS OF
6"
2" BOND WITH THE WALLBEYOND CORE TO CREATE AGEOTEXTILE LINER EXTENDS
4" FOUNDATION UNDERDRAIN
3"
EXCEPT AS NOTED)FILLER (TYP. 1" JOINT
" JOINT FILLER
" MOLDING
WALL DRAIN
BUREAU OF HIGHWAY DEVELOPMENTMICHIGAN DEPARTMENT OF TRANSPORTATIONDRAWN BY:
APPROVED BY: DAJ
DESIGN DIVISIONPREPARED BY
SUPERSEDES:02/14/11
ISSUED: 06/25/12
CHECKED BY:
-
5.21.01
BLT
VZ SUPERSEDES:11/27/01
ISSUED: / /
2-
9"
MI
N
.
"R"
9""00
0035
1"
(TYP.
)SEE DETAIL A
ICE BREAKER
2-4" MIN.
\ PIER
PIER NOSING DETAIL6"
"
SP
AC
ES
@
1-
6" (
MA
X.)
4
"
VA
RI
ES
"
TOP OF PROPOSEDPIER FOOTING
1" x 9" >
" STIFFENER >(TYP.)
" THICK x 3" HIGH x 8" LONGANCHOR BAR (TYP.)
ELEVATION
2
"2
"
5"
3"
" THICK x 3" HIGH x 8" LONGANCHOR BAR (TYP.)
" STIFFENER >
GROOVE WELD
2"! HOLE INSTIFFENER >
"
TYP.
"
TYP. ATANCHOR BAR
DETAIL A
PROPOSED ICE BREAKERS SHALL BE SET IN PLACE BEFORE POURING CONCRETE. MAKE A SMOOTH TRANSITION FROM FACE OF ICE BREAKER TO FACE OF WALL. ICE BREAKER SHALL BE MADE OF ASTM APPROVED STEEL AND HOT DIP GALVANIZED ACCORDING TO AASHTO M232.
4"
"R"
0.866 "R"
PI
ER
WI
DT
H
ER BAREA BARS (TYP.)
PIER NOSING DETAIL
TGF
BUREAU OF HIGHWAY DEVELOPMENTMICHIGAN DEPARTMENT OF TRANSPORTATIONDRAWN BY:
APPROVED BY:
DESIGN DIVISIONPREPARED BY
SUPERSEDES: / /
ISSUED: 11/28/11
CHECKED BY:
-
5.22.01
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(MI
N.)
(M
AX.)
5-
0" (
MI
N.)
7-
6" (
MI
N.)
PIER COLUMN
EA06 BARS
(MIN.)
4-
0" (
MI
N.)
3-
6" (
MI
N.)
GROUND OR SHOULDERELEVATION
3" x 8" KEY
AO6 BARS (MIN.) @ 1-6" MAX. SPACING
4" 2-
6"
A06 BARS (MIN.)@ 1-6" MAX. SPACING
3"
1-
6"
1" BEVEL (TYP)
SP
ACI
NG
1-
6"
MA
X.
EA
06
BA
RS
@
3"3"
3"
EA06 BARS (MIN.)@ 1-6" MAX. SPACING
ED06 BARS @ 1-6"MAX. SPACINGTOP OF BASE WALL
SUPERSEDES: / /
PIER ADJACENT TO ROADWAYBASE WALL DETAILS FOR
NOTES:
EXTEND BASE WALL TO END OF FOOTING WHEN GUARDRAIL ATTACHMENT IS ANTICIPATED.
FOR ADDITIONAL REQUIREMENTS SEE BRIDGE MANUAL CHAPTER 7.
SECTION OF BASE WALL
ISSUED: 02/14/11
BUREAU OF HIGHWAY DEVELOPMENTMICHIGAN DEPARTMENT OF TRANSPORTATIONDRAWN BY:
APPROVED BY:
DESIGN DIVISIONPREPARED BY
SUPERSEDES: / /
ISSUED: / /
CHECKED BY:
-
1 ON
2 1 ON 6
NATURAL GROUND
STRUCTURE, CIP"** LIMITS OF "BACKFILL,
(USE WITH PILE SUPPORTED FOOTING)** LIMITS OF "EMBANKMENT CIP" CIP" (USE WITH SPREAD FOOTING)** LIMITS OF "EMBANKMENT, STRUCTURE,
NORMAL SECTION
ABUTMENTS ON FILLSTRUCTURE BACKFILL AND EMBANKMENT
5.46.01
SPECIAL SECTION IF REQUESTED BY CONSTRUCTION
1 ON
2
1 ON
4
NATURAL GROUND (USE WITH PILE SUPPORTED FOOTING)** LIMITS OF "EMBANKMENT CIP" CIP" (USE WITH SPREAD FOOTING)** LIMITS OF "EMBANKMENT, STRUCTURE,
30' (TYP)
" BENT > (TYP)
2" MIN. (TYP)8" MAX. (TYP)
2" MIN. (TYP)8" MAX. (TYP)
" > (TYP)
6"
MIN.
4"
TYP"
NOTE 2: WRAP WELD AROUND OUTSIDE EDGENOTE 1: STOP WELD " SHORT OF CORNER CLIPS
USE FULL DEPTH STIFFENERS OR " CONNECTION PLATES.NOTES:
LESS THAN 6-9"
11-6" TO 13-9"
13-9" TO 18-6"
LESS THAN 5-9"
7-9" TO 9-9"
9-9" TO 11-9"
11-9" TO 15-9"
9-3" TO 11-6"
6-9" TO 9-3"
CURVED GIRDERS
5-9" TO 7-9"
STRAIGHT GIRDERS
"L" OR "S" MIN. ANGLE SIZE
3" x 3" x "
4" x 4" x "
5" x 5" x "
6" x 6" x "
8" x 8" x "
3" x 3" x "
4" x 4" x "
5" x 5" x "
6" x 6" x "
8" x 8" x "
BUREAU OF HIGHWAY DEVELOPMENTMICHIGAN DEPARTMENT OF TRANSPORTATIONDRAWN BY:
APPROVED BY:DAJ
CHECKED BY:
DESIGN DIVISIONPREPARED BY
SUPERSEDES: / /
ISSUED: 06/25/12
-
8.11.07
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SUPERSEDES:11/27/01
ISSUED: / /
INTERMEDIATE AND PIER CROSS FRAMES
TYP
(TYP)
"L"
PIER AND INTERMEDIATE CROSS FRAMES
(SEE TABLE)ANGLE VARIES
"S"
1 AND 2SEE NOTES
TYP
NOTE 1SEE
1 AND 2SEE NOTES
TYP
"L"
(SEE TABLE)ANGLE VARIES
"S"
(TYP)
TYP
PIER CROSS FRAMES
TYP(SEE TABLE)ANGLE VARIES
2" MIN. (TYP)8" MAX. (TYP)
"
" >
"
"
" > (TYP)
HI
GH
SI
DE
10"
MA
X.
LO
WSI
DE
4"
NOTE 2: WRAP WELD AROUND OUTSIDE EDGENOTE 1: STOP WELD " SHORT OF CORNER CLIPS
2" MIN. (TYP)8" MAX. (TYP)
" > (TYP)
6"
MIN.
" FILLER >
"
"
"
"
"
CONNECTION PLATES.USE FULL DEPTH STIFFENERS OR "
NOTES:
LESS THAN 6-9"
11-6" TO 13-9"
13-9" TO 18-6"
LESS THAN 5-9"
7-9" TO 9-9"
9-9" TO 11-9"
11-9" TO 15-9"
9-3" TO 11-6"
6-9" TO 9-3"
CURVED GIRDERS
5-9" TO 7-9"
STRAIGHT GIRDERS
"L" OR "S" MIN. ANGLE SIZE
3" x 3" x "
4" x 4" x "
5" x 5" x "
6" x 6" x "
8" x 8" x "
3" x 3" x "
4" x 4" x "
5" x 5" x "
6" x 6" x "
8" x 8" x "
BEAM SPACING 12-6"
6" MIN.
CROSSFRAMES.USE BENT GUSSET PLATES ON PIER AND BEARING STIFFENER NORMAL TO WEB. CROSSING 70, SET CONNECTION PLATETO ANGLE OF CROSSING. FOR ANGLE OF CONNECTION PLATE AND BEARING STIFFENER FOR ANGLES OF CROSSING 70, SET
CONNECTION PLATE EXTENDS BEYOND FLANGE.USE DETAIL A, GUIDE 8.06.02 IF
IN LINE.INTERMEDIATE CROSS FRAMES TO BE
ANGLES.STRESSES MAY REQUIRE USE OF LARGER ANGLE SIZE BASED ON L/R RATIO.
SEE GUIDE 8.11.03 FOR DETAILS.(30" DIAPHRAGM FOR 42" WEB DEPTH.)USE DIAPHRAGMS FOR WEB DEPTHS 48".
DETAILS IF FATIGUE LIMITATIONS CONTROL. GUIDE 8.11.08 FOR CONNECTION PLATE FOR STIFFENER WELDING DETAILS. SEE WELDING SHOWN HERE. SEE GUIDE 8.06.02 LIMITATIONS CONTROL. CONNECTION PLATE * WELD TOP AND BOTTOM UNLESS FATIGUE
HI
GH
SI
DE
10"
MA
X.
LO
WSI
DE
4"
TYP *
TYP *
TYP *
BUREAU OF HIGHWAY DEVELOPMENTMICHIGAN DEPARTMENT OF TRANSPORTATIONDRAWN BY:
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8.15.01
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CANTILEVERED PLATE GIRDERSSUSPENDER DETAILS FOR
ANCHORSUSPENDED
SPANSPAN
ANCHOR SUSPENDED
SPAN SPAN
A
A A
A
PIN (TYP)
(TYP)BEVEL FOR PIN PLATE
LINK PLATE
ELEVATIONELEVATIONFIXED JOINTEXPANSION JOINT
PLATESTAY
SECTION A-A
FIXED JOINT ONLYSTAY PLATE FOR
* PIN
LINK PLATE
SEE GUIDE 8.15.01A* FOR DETAIL
1" MIN. (TYP)
COTTER PIN (TYP)STAINLESS STEEL\ " !
(TYP)" RADIUS
STEEL WASHER (TYP)" STAINLESS
BUSHING (TYP)" NON-METALLIC
" NYLON WASHER
" (TYP)
BUREAU OF HIGHWAY DEVELOPMENTMICHIGAN DEPARTMENT OF TRANSPORTATIONDRAWN BY:
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CIP PILE SPLICES
WHERE CAST-IN-PLACE PILES ARE USED. THESE DETAILS SHOULD BE SHOWN ON PLANS
NOTE:
SLEEVE* SPLICE
PILE EXTENSION
DRIVEN PILE
I.D. OF PILE O.D. TO FIT* SPLICE SLEEVE
FOR SPIRAL WELDED AND SEAMLESS PIPE SHELLS
SPLICE DETAILS
"
"
T
SLEEVE* SPLICE
PILE EXTENSION
DRIVEN PILE
"
"
T
45
OR
T " T "
SUPERSEDES:02/14/11
6"
MI
N.
MI
N.
MI
N.
3"
3"
1.
5
x D
\
ISSUED: / /
D
D
2 HOLES MAX., 180 APART** ! MAX. HANDLING HOLES
SPLICING OR CONCRETE PLACEMENT. AND REMOVE HARDENED EDGE OR CUT OFF SECTION OF PILE WITH FLAME CUT HOLES PRIOR TO** DRILL OR FLAME CUT CIRCULAR HANDLING HOLES. GRIND FLAME CUT HOLES TO MAKE CIRCULAR
SLEEVES IF APPROVED BY THE ENGINEER. * SPLIT CHILL RINGS AS RECOMMENDED BY THE MANUFACTURER MAY BE SUBSTITUTED FOR SPLICE
BUREAU OF HIGHWAY DEVELOPMENTMICHIGAN DEPARTMENT OF TRANSPORTATIONDRAWN BY:
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8.21.02
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EXTENSIONPILE
PILE
DRIVEN
ALTERNATE SPLICE DETAILS
MUST BEAR.* ENDS OF PILES
{SPLICE PIN
SPLICER SLEEVE
60
SPLICER SLEEVE
EXTENSIONPILE
FIT SPLICE PINREQUIRED TO NOTCH WEB AS
OF PILE FLANGE. (TYP)CHAMFER OUTSIDE EDGES
DETAIL A
NOTCH DETAIL
ALTERNATE SPLICE DETAILSH PILE
HP 14 x 89HP 14 x 73 HP 12 x 84 HP 12 x 74 HP 12 x 53HP 10 x 57 HP 10 x 42
0" ROOT OPENING
"
(TYP)
600
(TYP)4""
DETAIL A
1.5 x
SUPERSEDES:01/23/12
ISSUED: / /
\
D
D
D
HANDLING HOLE ** ! MAX.
BUREAU OF HIGHWAY DEVELOPMENTMICHIGAN DEPARTMENT OF TRANSPORTATIONDRAWN BY:
APPROVED BY: DAJ
DESIGN DIVISIONPREPARED BY
SUPERSEDES: / /
ISSUED: 03/16/15
CHECKED BY:
A (A)
HP 12 x 53HP 10 x 57 HP 10 x 42
HP 12 x 84
HP 14 x 89HP 14 x 73 HP 12 x 74
ALL OTHERS
PILE WELD SIZE (A)
"""
"
"
"
"
SECTION AND THE BRIDGE FIELD SERVICES SECTION.CHECK WITH MDOT CONSTRUCTION FIELD SERVICES GEOTECHNICAL
EMBEDMENT INTO CONCRETE. PORTION OF THE PILE IS CUT OFF PRIOR TO SPLICING OR IN FLANGES ARE PERMITTED FOR HANDLING ONLY IF THAT PRIOR TO SPLICING OR CONCRETE PLACEMENT. HOLES EDGE OR CUT OFF SECTION OF PILE WITH FLAME CUT HOLE FLAME CUT HOLE TO MAKE CIRCULAR AND REMOVE HARDENED ** DRILL OR FLAME CUT CIRCULAR HANDLING HOLE. GRIND
DETAIL WITH INTEGRAL ABUTMENTS. ONLY USE FULL PENETRATION BUTT WELD SPLICE OTHER PILES THAT MUST RESIST BENDING STRESSES. WITH INTEGRAL ABUTMENTS, PILE BENTS, OR ANY DO NOT USE THE ALTERNATE SPLICE SLEEVE DETAIL
OF SLEEVES TO LOWER SECTION. IMPROVE BEARING CONTACT, THEN COMPLETE WELDING ATTACHED, TAP SEVERAL TIMES WITH THE HAMMER TO * SET PILE EXTENSION IN PLACE WITH SPLICER SLEEVE NOTES:
-
8.21.02A
VZ
BLT
ISSUED: / /
(FULL PENETRATION BUTT WELD)H PILE SPLICE
45
DETAIL A
EXTENSIONPILE
PILE
DRIVEN SEE NOTE 1(TYP)
{
DETAIL A
SPLICE DETAILS
FOR PILES IN PLACE (HORIZONTAL JOINT)
(SEE NOTE 1)DETAIL B
DETAIL B
60
SPLICE DETAILS
FOR PILES IN HORIZONTAL POSITION
45"
"
"
60"
"
"
HP 14 x 89 HP 14 x 73 HP 12 x 84 HP 12 x 74 HP 12 x 53 HP 10 x 57 HP 10 x 42
{HP 14 x 89 HP 14 x 73 HP 12 x 84 HP 12 x 74 HP 12 x 53 HP 10 x 57 HP 10 x 42
D
1.5 x
\
\ D
1.5 x
SUPERSEDES:01/23/12
D
D
D
D
HANDLING HOLE * !
HANDLING HOLE * ! MAX.
IF THAT PORTION OF THE PILE IS CUT OFF PRIOR TO SPLICING OR EMBEDMENT INTO CONCRETE. SPLICING OR CONCRETE PLACEMENT. HOLES IN FLANGES ARE PERMITTED FOR HANDLING ONLY AND REMOVE HARDENED EDGE OR CUT OFF SECTION OF PILE WITH FLAME CUT HOLE PRIOR TO * DRILL OR FLAME CUT CIRCULAR HANDLING HOLE. GRIND FLAME CUT HOLE TO MAKE CIRCULAR NOTE 1: BACK GOUGE AND GRIND EDGE PREPARATION SMOOTH.
BUREAU OF HIGHWAY DEVELOPMENTMICHIGAN DEPARTMENT OF TRANSPORTATIONDRAWN BY:
APPROVED BY: DAJ
DESIGN DIVISIONPREPARED BY
SUPERSEDES: / /
ISSUED: 03/16/15
CHECKED BY:
-
8.21.03
VZ
BLT
SUPERSEDES:11/27/01
ISSUED: / /
CIP PILE POINT DETAILS
THE PILE POINTS DETAILED ON THIS SHEET SHOULD NOT BE PAID FOR SEPARATELY.
NOTE TO DESIGNER:
"D"
PILE DIAMETER
"D"
PILE DIAMETER
"D"/2 "D"/2
\ PILE \ PILE
TYP.
CIP PILE POINT DETAILSALTERNATE CIP PILE POINT DETAILS
WHEN RECOMMENDED BY SOILS SECTION.FOR POINT BEARING PILES ONLY. USE
3
"
"*
1"
**
"
*
1"
**
"**
"*
"
"
"**
"*
"D" + "
"D" + "
** --- 14" PILE * --- 12" PILE
"
*
TY
P.
1"
**
TY
P.
POINTS FOR FLUTED SHELLS SHALL BE FORGINGS IN ACCORDANCE WITH THE MANUFACTURERS RECOMMENDATIONS.
PLAN NOTE:
BUREAU OF HIGHWAY DEVELOPMENTMICHIGAN DEPARTMENT OF TRANSPORTATIONDRAWN BY:
APPROVED BY: DAJ
CHECKED BY:
DESIGN DIVISIONPREPARED BY
SUPERSEDES: / /
ISSUED: 06/25/12
-
ISSUED: 02/14/11
SUPERSEDES:05/04/06VZ
BLT
8.31.01
CURVED GIRDERS TO HAVE ALL ELASTOMERIC BEARINGS.
IF ROCKERS ARE REQUIRED AT ANY BEARINGS, USE ROCKERS AND PEDESTALS THROUGHOUT.
BRIDGE DESIGN GUIDE 8.32.07 FOR EXPANSION ROCKER WITH PROVISION FOR UPLIFT.PROVIDE ANCHORAGE FOR UPLIFT OF ANCHOR SPANS OF CONTINUOUS BRIDGES. SEE
CONTINUOUS AND SIMPLE SPANS
THRU 120
FIXED YES
EXPANSION
FIXED
EXPANSION
OVER 120
CURVED STEEL PLATES
ELASTOMERIC BEARINGS
BUILT UP PEDESTALSNO
NO
TYPE OF BEARING
(SEE BRIDGE DESIGN GUIDE 8.42.01)
TYPES FOR STEEL STRUCTURESGUIDE FOR SELECTION OF BEARING
SOLE PLATEBEVEL
MOVEMENTTYPE OF
EXPANSIONLENGTH OF
YES( OR LRFD BRIDGE DESIGN SPECIFICATIONSAASHTO STANDARD SPECIFICATIONS FOR HIGHWAY BRIDGESSEE SECTION 14 OF EITHER
(SEE BRIDGE DESIGN GUIDES 8.32.03 & 8.32.05)
BUILT UP ROCKERS
(SEE BRIDGE DESIGN GUIDES 8.32.01)
BUREAU OF HIGHWAY DEVELOPMENTMICHIGAN DEPARTMENT OF TRANSPORTATIONDRAWN BY:
APPROVED BY:
DESIGN DIVISIONPREPARED BY
SUPERSEDES: / /
ISSUED: / /
CHECKED BY:
-
8.31.02
VZ
BLT
SUPERSEDES:11/27/01
OFFSET DIMENSIONS FOR ROCKER TILT
PLATE TO ACHIEVE THE PROPER OFFSETS.IT MAY BE NECESSARY TO ADJUST THE MASONRYWITH THE ROCKERS TILTED AT TIME OF ERECTION.TEMPERATURE IS HIGHER, AND SHORTER IF COLDER,ERECTED. THE BEAMS WILL BE LONGER IF THEASSUME A TEMPERATURE OF 60F WHEN BEAMS ARETHE SPAN LENGTH DIMENSIONS SHOWN ON THE PLANS
OFFSETS
(TYP)
N P
100200300400
L = DISTANCE TO FIXED BEARING
55 or 65
50 or 70
45 or 75
40 or 80
35 or 85
30 or 90
25 or 95
20 or 100
TE
MP
ER
AT
UR
E (
F)
AT
TI
ME
OF
ER
EC
TI
ON
FIXED BEARING. TILTED TOWARDN = TOP OF ROCKER
FIXED BEARING. TILTED AWAYP = TOP OF ROCKER
ROCKER
OFFSET
ON BEAM\ BEARING
SUBSTRUCTURE\ BEARING ON
EXP. FIX EXP. EXP.
L
L
L
"
"
"""""1"
ISSUED: 02/14/11
BUREAU OF HIGHWAY DEVELOPMENTMICHIGAN DEPARTMENT OF TRANSPORTATIONDRAWN BY:
APPROVED BY:
DESIGN DIVISIONPREPARED BY
SUPERSEDES: / /
ISSUED: / /
CHECKED BY:
-
8.32.01
VZ
BLT
SUPERSEDES:11/27/01
NOTES:
EXPANSION ROCKER
SEE GUIDE 8.32.02 FOR TABULATION OF BEARING DIMENSIONS
(TYP)J
H
FLANGE WIDTH
KKL LL
TYP
TYP
TYP
TYP
TYP
WHERE NOTED
END STIFFENER
A1
B
R A1
TYP
L
(T
YP)
G (
MI
N.)
(TYP)
A2 SEE DETAIL A
CD
EF
(MI
N.)
PA
D
EL
AS
TO
ME
RI
C
END VIEW
SIDE VIEW
RR 21
E
1
12
DETAIL A
PINTLE DETAIL
1
"
45
OR
FLANGE WIDTH - "
"
EACH SIDE **
1" x " x 4" >
" (TYP)
" (TYP)
2"
3"
" (TYP)
WITH " x 3" x 6" > WASHERS.NOTE: ANCHOR BOLTS SHALL BE FURNISHED
1" ANCHOR BOLT *
SLOTTED HOLE FOR
\ 2" x 3"
1" ANCHOR BOLT OR
SLOTTED HOLE FOR
\ 1" x 3"
1"
PRESS FIT
PINTLE
1" !
1"
"
"
"
R = R + "
"
"
* USE 1" ANCHOR BOLT FOR SPANS OVER 100
** USE 2" x " x 5" > WHEN R = 1"
" (TYP)
"
STIFFENER)OPPOSITE
DIAGONALLY
(LOCATE IN" ! HOLE
1"
"
"
" (TYP)
R -
"
(TYP)
ISSUED: 02/14/11
BUREAU OF HIGHWAY DEVELOPMENTMICHIGAN DEPARTMENT OF TRANSPORTATIONDRAWN BY:
APPROVED BY:
DESIGN DIVISIONPREPARED BY
SUPERSEDES: / /
ISSUED: / /
CHECKED BY:
-
8.32.03
VZ
BLT
SUPERSEDES:11/27/01
NOTES:
SEE GUIDE 8.32.04 FOR TABULATION OF BEARING DIMENSIONS
H
FLANGE WIDTH
JJK KK
TYP
TYP
TYP
TYP
END VIEW
C
B
TYP
(T
YP)
G (
MI
N.)
(TYP)
A SEE DETAIL A
DE
F
(MI
N.)
PA
D
EL
AS
TO
ME
RI
C
SIDE VIEW
EXPANSION ROCKER ARE REQUIRED ON THE SAME PIER. USE THIS BEARING WHEN A BUILT UP PEDESTAL AND
1
FIXED BEARING
EQUIV. d FOR BEARING CHECK:
1 2
12
2R R
R - Rd =
"
45
OR"
FLANGE WIDTH - "
EACH SIDE **
1" x " x 4" >
2"
RR 21
E
1
12
DETAIL A
R = R + "
"
"
R -
"
"
" (TYP)
" x 3" x 6" > WASHERS.NOTE: ANCHOR BOLTS SHALL BE FURNISHED WITH
1" ANCHOR BOLT *
SLOTTED HOLE FOR
\ 2" x 3"
1" ANCHOR BOLT OR
SLOTTED HOLE FOR
\ 1" x 3"
"
1"
"
" (TYP)
" (TYP)
* USE 1" ANCHOR BOLT FOR SPANS OVER 100
** USE 2" x " x 5" > WHEN R = 1"
(TYP)
ISSUED: 02/14/11
BUREAU OF HIGHWAY DEVELOPMENTMICHIGAN DEPARTMENT OF TRANSPORTATIONDRAWN BY:
APPROVED BY:
DESIGN DIVISIONPREPARED BY
SUPERSEDES: / /
ISSUED: / /
CHECKED BY:
-
8.32.05
VZ
BLT
NOTES:
SEE GUIDE 8.32.06 FOR TABULATION OF BEARING DIMENSIONS
DETAIL A
1
EQUIV. d FOR BEARING CHECK:
1 2
12
2R R
R - Rd =
C
F (
MI
N.)
A
DE
(MI
N.)
PA
D
EL
AS
TO
ME
RI
C
SIDE VIEW
B
G
FLANGE WIDTH
TYP
END VIEW
TYP
SEE DETAIL A
PIER AS A ROCKER, THEN USE GUIDE 8.32.03.
AN EXCEPTION IS WHEN A PEDESTAL IS USED ON THE SAME
USE FIXED SHOE WHEN A BUILT UP PEDESTAL IS REQUIRED.
FIXED SHOE
"
45
OR"
" (TYP)
EACH SIDE **
1" x " x 4" >
" x 3" x 6" > WASHERS.NOTE: ANCHOR BOLTS SHALL BE FURNISHED WITH
1" ANCHOR BOLT *
SLOTTED HOLE FOR
\ 2" x 3"
1" ANCHOR BOLT OR
SLOTTED HOLE FOR
\ 1" x 3"
2"
(TYP)
RR 21
E
1
12R = R + "
"
"
R -
"
FLANGE WIDTH - "
"
4"
"
" (TYP)
SUPERSEDES:02/14/11
** USE 2" x " x 5" > WHEN R = 1"
* USE 1" ANCHOR BOLT FOR SPANS OVER 100
ISSUED: 03/26/12
BUREAU OF HIGHWAY DEVELOPMENTMICHIGAN DEPARTMENT OF TRANSPORTATIONDRAWN BY:
APPROVED BY: DAJ
DESIGN DIVISIONPREPARED BY
SUPERSEDES: / /
ISSUED: / /
CHECKED BY:
-
8.32.07
VZ
BLT
SUPERSEDES:11/27/01
PROVISION FOR UPLIFTEXPANSION ROCKER WITH
* SEE GUIDE 8.32.01 FOR DETAIL A.
BASED ON AMOUNT OF UPLIFT.
ARE MINIMUM. INCREASE IF NECESSARY
ANCHOR BOLTS AND KEEPER BOLTS SHOWN
(TYP)
FLANGE WIDTH
KK
TYP
TYP
TYP
TYP
PA
D
EL
AS
TO
ME
RI
C
END VIEW
SIDE VIEW
TYP
JAM NUT (TYP)HEAVY HEX NUT AND
(MI
N.)
(TYP)
(TYP)
(TYP)
* DETAIL A1
MAX. LOAD FLANGE K WEIGHT
12" 240 LBS.
270 LBS.
300 LBS.
125 K
BOLT DETAIL
NOTES:
"
45
OR"
FLANGE WIDTH + 9"
" "
FLANGE WIDTH - "
IN ROCKER PLATE.
SLOTTED HOLE (TOP)TO 1" x 2"
\ 1" ! HOLE (BOTTOM)
> EACH SIDE
3" x " x 4"
1" ! BOLT (SEE DETAIL)
1" ! ANCHOR BOLT
MASONRY PLATE FOR
SLOTTED HOLE IN
\ 1" x 2"
" (TYP)
2"
WITH 1" ! HOLES.
" x 2" x 3" > WASHERS
NOTE: ANCHOR BOLTS SHALL BE FURNISHED WITH
1""
1"
1
"
14"
16"
4"
5"
6"
7"
4"
7""
"
12" (
MI
N.)
"
"
1
"
2"
2"
R = 1"
1
" 1"
6
"
"
2"
2"
8" R
ISSUED: 02/14/11
BUREAU OF HIGHWAY DEVELOPMENTMICHIGAN DEPARTMENT OF TRANSPORTATIONDRAWN BY:
APPROVED BY:
DESIGN DIVISIONPREPARED BY
SUPERSEDES: / /
ISSUED: / /
CHECKED BY:
-
8.42.01
VZ
BLT
SUPERSEDES:11/27/01
ABUTMENT BACKWALLINTEGRAL AND SEMI-INTEGRAL
NOTES:
WIDER THAN FLANGE. ** USE FILLET WELD WHEN SOLE PLATE IS
FOR EITHER A572 OR A36 STEEL. PLATE THICKNESSES SHOWN ON THIS SHEET ARE
MAKE SOLE PLATE SAME WIDTH AS FLANGE (MIN.)
FOR PINTLE DETAILS, SEE GUIDE 8.32.01.
MIN.
1-3" REFERENCE LINE
(TYP)
(T
YP)
\ PINTLE
(T
YP)
** TYP. 36"
R
ELEVATION AT ABUTMENT
(TYP)
SECTION A-A
ELEVATION AT PIER
36"
R
\ BEARING
\ PIER AND
SOLE PLATE* CURVED STEEL
AA
\ BEAMALONG"
4"
5"5"
"
1"
(USE ANCHOR BOLTS FOR UPLIFT)(SPACE 2" EACH SIDE OF \ BEAM)DOWELS WITH 3" PROJECTION\ 2 - 1" x 1-0" POSITION
" ELASTOMERIC PAD
1" ! HOLESMASONRY PLATE WITH 2" MIN. THICK
1" ! HOLES SOLE PLATE WITH* CURVED STEEL
WHEN ANCHOR BOLTS ARE REQUIRED\ 1" ! HOLE IN BEAM FLANGE 1"
MAXIMUM THICKNESS IS 6".
* MINIMUM SOLE PLATE THICKNESS IS 1",
EXCEEDS " PER FOOT. BEVEL SOLE PLATE WHEN REQUIRED BEVEL
FIXED SHOE (SEE GUIDE 8.32.05). THE ALLOWABLE MASONRY PRESSURE, USE A*** WHEN MORE THAN 6" IS REQUIRED TO OBTAIN
WIDER THAN SOLE PLATE (MIN.). AT ABUTMENTS, USE MASONRY PLATE 1"
"
45
OR
"
8" MIN. "
*** 5"
MI
N.
2
"2
"2"
(EMBEDDED 10")ANCHOR BOLTS
\ 1" ! x 1- 3"
MASONRY PLATE
SLOTTED HOLES IN
\ 1" x 3"
MASONRY PLATE 2" MIN. THICK
PADELASTOMERIC"
6"
8" MIN.
** TYP.
** TYP."
45
OR
"
** TYP.
ISSUED: 02/14/11
BUREAU OF HIGHWAY DEVELOPMENTMICHIGAN DEPARTMENT OF TRANSPORTATIONDRAWN BY:
APPROVED BY:
DESIGN DIVISIONPREPARED BY
SUPERSEDES: / /
ISSUED: / /
CHECKED BY:
-
8.43.01
VZ
BLT
SUPERSEDES:11/27/01
NOTES:
PRESTRESSED CONCRETE I BEAMSBEARING DETAILS FOR
THIS BEARING IS TO BE USED AT PIERS AND AT ABUTMENTS WITH EITHER INDEPENDENT OR FIXED BACKWALLS.
DICTATE.* 4" MINIMUM PAD LENGTH WITH 3" SLOT MAY BE USED WHEN BEAM ROTATION AND PAD PRESSURE REQUIREMENTS
SOLE PLATES SHOULD BE TILTED TO PROVIDE REQUIRED BEVELS WHICH EXCEED "/FT.
2
"WITH 1" ! HOLES (TYP)> " x 2" x 4"
WELD TO SOLE >> " x 3" x 5"
USE FOR 70" AND MICHIGAN 1800 BEAMS
* \ 1" x 3" SLOT IN SOLE > AND ELASTOMERIC PAD \ 1" x 4" SLOT IN SOLE > AND ELASTOMERIC PAD \ 1" ! x 1-2" POSITION DOWEL \ BEARING
2
"
(MI
CHI
GA
N
1800
BE
AM)
3
EQ
UA
L
SP
AC
ES
=
2-
6
"
(70"
BE
AM)
3
EQ
UA
L
SP
AC
ES
=
1-
9"
2-
11
"
FO
R
MI
CHI
GA
N
1800
BE
AM
2-
2"
TY
PE I
V
AN
D
70" I-
BE
AM
1-
10"
TY
PE III
1-
6"
TY
PE II
1-
4"
TY
PE I
\ BEAM
TYP"
END OF BEAM
(1" MIN.)ELASTOMERIC PAD
SOLE > (")OF BEAMBOTTOM
1
"
4"
1"
6" (MIN.)1" 1"
* 4"
5"
1"
(TYP)
"
1
"
SIDES OF SOLE > (TYP)" BEVEL (OPTIONAL) ALONG
ISSUED: 02/14/11
BUREAU OF HIGHWAY DEVELOPMENTMICHIGAN DEPARTMENT OF TRANSPORTATIONDRAWN BY:
APPROVED BY:
DESIGN DIVISIONPREPARED BY
SUPERSEDES: / /
ISSUED: / /
CHECKED BY:
-
8.43.01A
VZ
BLT
SUPERSEDES:05/04/06 PRESTRESSED CONCRETE BOX BEAMS
BEARING DETAILS FOR
3-0"
4-0"
2-9" (MIN.)
3-9" (MIN.)
\ BEAM2" ! HOLE (TYP)
TYP"
WITH 6" PROJECTION\ 1" ! x 1-6" POSITION DOWELS \ BEARINGS
1
"
4"
1"
1
"
1" ! HOLES (TYP)> " x 2" x 4" WITH
1"
*
OF BEAMBOTTOM
1"1" 4" (MIN.)
" (TYP)
" (MIN.)
PLAN
C
C
D D
SECTION C-C
(TYP. ALONG SIDES OF SOLE >)" BEVEL (OPTIONAL)
SHIM (TYP)
BEARING PADELASTOMERIC BEARING PADELASTOMERIC
SECTION D-D
* DECREASE TO 0" WHEN PAD LENGTH IS LESS THAN 6"
LA
YE
R (
TY
P)
IN
TE
RI
OR
LA
YE
R (
TY
P)
EX
TE
RI
OR
" (
MI
N.)
3" 3"
"
6"
8"
6"
8"
6"6"
8"
6"
8" 10"
(SEE SECTION C-C)SOLE > ANCHOR
END OF BEAM
SOLE > (")
BEARING PADELASTOMERIC 1"1" 4" (MIN.)
END OF BEAM
SOLE > (")
1"
WITH HEAD" ! SHEAR STUD
OF BEAMBOTTOM
ALTERNATE SECTION C-C
SECTION C-C)(SEE ALTERNATESHEAR STUD ANCHOR
3"3"
TYP
*
REINFORCEMENT WITH STRANDS WITHOUT INTERFERENCE TO * EXTEND SHEAR STUDS ABOVE HIGHEST ROW
ISSUED: 02/14/11
BUREAU OF HIGHWAY DEVELOPMENTMICHIGAN DEPARTMENT OF TRANSPORTATIONDRAWN BY:
APPROVED BY:
DESIGN DIVISIONPREPARED BY
SUPERSEDES: / /
ISSUED: / /
CHECKED BY:
-
9. UTILITY D
ATA
-
1. Miscellaneous Standards3. Waterway & Drainage4. Approaches5. Substructure6. Superstructure7. Steel Reinforcement8. Structural Steel9. Utility Data