BD-604M COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF TRANSPORTATION STANDARD DESIGN & DETAILS FOR BEAM BRIDGES DECK ATTACHMENT, PANEL SPLICE AND HAUNCH DETAILS SHOWN ON SHEET 2. DESIGN THICKNESS T WEARING SURFACE TOTAL DECK THICKNESS S s c c DYNAMIC LOAD ALLOWANCE (IM) = 50% 1.25(SLAB & PARAPET MOMENT) + 1.5(FWS MOMENT) + 1.75(1+IM/100)(LL MOMENT) FACTORED MOMENT = AASHTO LRFD, ARTICLE 4.6.2.1.8. DECK DESIGN TABLES ARE BASED ON THE ORTHOTROPIC PLATE FORMULA AS PER 1994 DECK JOINT IS PROVIDED, CONTINUE ROADWAY MEDIAN BARRIER ACROSS THE STRUCTURE LEVEL 5. THE SPLIT MEDIAN BARRIERS AND THE ALTERNATE BARRIER ARE DESIGNED TO THE TYPICAL BARRIER, THE ALTERNATE SIDEWALK DETAIL AND DECK SLABS, INCLUDING DESIGN IS BASED ON DECKS SUPPORTED ON 3 OR MORE BEAMS. WHEN THE HAUNCH HEIGHT (MEASURED FROM TOP OF BEAM TO BOTTOM OF SLAB) DESIGN TABLES ARE VALID FOR BOTH NORMAL WEIGHT AND LIGHTWEIGHT CONCRETE. DENSITY OF NORMAL WEIGHT CONCRETE DEAD LOAD: MODULAR RATIO (E /E ) N = 8 CONCRETE: STEEL BARS AND SHAPES: MATERIAL STRENGTH: DESIGN SPECIFICATIONS: T CONSTR. JT. & V-NOTCH (RAKED FINISH) (RAKED FINISH) & V-NOTCH CONSTR. JT. T TO BE USED ONLY IF AUTHORIZED BY CHIEF BRIDGE ENGINEER (RAKED FINISH) & V-NOTCH CONSTR. JT. DRIP LEDGE DRIP LEDGE T DRIP LEDGE SIDEWALK WIDTH CONSTR. JT. & V-NOTCH (RAKED FINISH) CONSTR. JT. & V-NOTCH (LEVEL) OPTIONAL T TYPICAL HAUNCH FOR GIRDERS SHOWN FOR ILLUSTRATION ONLY. So So REINFORCEMENT STEEL: y DENSITY OF LIGHTWEIGHT CONCRETE DEAD LOAD OF VARIOUS GRID REINFORCED SYSTEMS, USING BOTH NORMAL AND LIGHTWEIGHT CONCRETE, AND INTEGRAL OVERFILL, ARE SHOWN IN THE TABLES ON ATTACHMENT DETAIL APPLICABLE FOR ALL OVERLAY TYPES. SHOWN SPACING. RAILING TO BE USED ONLY WHEN AUTHORIZED ENGINEER FIRST CROSS BAR BENEATH BARRIER OMITTED BY CROSS BARS OMITTED FOR DRIP LEDGE MAXIMUM DIMENSION FROM FACE OF BARRIER TO FIRST CROSS BAR BEYOND BARRIER BARRIER REINFORCEMENT TO REST DIRECTLY ON BOTTOM CROSS BAR OF GRID (TYP) DIRECTLY ON BOTTOM CROSS BAR BARRIER REINFORCEMENT TO REST OF BARRIER TO FIRST CROSS BAR BEYOND BARRIER OF GRID (TYP) So T MODIFY "A" FOR A CONCAVE (SAG) IS NOT INCLUDED IN "A". VARIATION IN FLANGE THICKNESS VERTICAL CURVE. A GRID REINFORCED CONCRETE BRIDGE DECK HAUNCH DETAIL ALTERNATE SIDEWALK DETAIL TYPICAL GRID REINFORCED CONCRETE DECK PANEL SPLIT MEDIAN BARRIER CHAMFER (TYP) NOTES: (SEE STANDARD DRAWING RC-57M FOR ATTACHMENT DETAILS). CLEAN AND ROUGHEN TOP OF CONCRETE DECK WHICH LIES DIRECTLY BENEATH THE SACRIFICIAL FIRST CROSS BAR BENEATH BARRIER OMITTED BY CROSS BARS OMITTED FOR T+•" T+ƒ" T+ 1" UP TO 1•" OVER 1•"TO 3" OVER 3" PLAN CAMBER (in ) A (in ) HAUNCH WIDTH ACROSS FULL WIDTH OF BEAM FLANGE. ADD EFFECT OF DECK CROSS SLOPE TO "A" TO PROVIDE MINIMUM WITH SPLICES, AS APPLICABLE. ADD THICKNESS OF TOP SPLICE PLATES TO "A" FOR GIRDERS BY THE DISTRICT TRAFFIC FROM THE OUTSIDE EDGE OF THE DECK. THE END OF THE BRIDGE, REDUCE MAXIMUM SPACING OF REINFORCEMENT TO HALF THE SPLICE AASHTO M270, GRADE 50, f = 50 ksi CHIEF BRIDGE ENGINEER RECOMMENDED RECOMMENDED TYPICAL CONCRETE BARRIER DETAIL ALTERNATE CONCRETE BARRIER DETAIL SHEETS 4 OR 5. AASHTO LRFD BRIDGE DESIGN SPECIFICATIONS AND COMMENTARY PART 4, SECTION D 5.4.3.1. BARRIER NOTES BARRIER PRIOR TO POURING THE BARRIER CONCRETE TO ENSURE ADEQUATE SHEAR TRANSFER. FOR BARRIER SIDEWALK AND MEDIAN BARRIER DIMENSIONS SEE BD-601M. FOR BARRIER SEE BC-739M. REINFORCEMENT DIMENSIONS NOT SHOWN, SEE BD-601M. FOR BRIDGE BARRIER DETAILS, USE ONLY FUSION BONDED EPOXY COATED REINFORCEMENT. FOR BARRIER REINFORCEMENT, DO NOT USE RAIL STEEL (A996). SEE DESIGN MANUAL 1•" OVERFILL • " #6 #5 1•" CL. 2" 2" CL. (TYP) #5 @ 1'-0" #6 2" CL. 1•" CL. #4 (TYP.) 1" #6 BARS #5 BARS #5 2" SEE NOTE 5 SEE NOTE 19 (SEE NOTE 17 ) (SEE NOTE 17 ) #6 #5 2" CL. #5 SEE NOTE 19 MANUFACTURER FOR 4‚" GRID FLOOR, FIRST TWO 5‰" GRID FLOORS. 3•" #5 SEE NOTE 19 #6 #5 2" CL. MANUFACTURER FOR 4‚" GRID FLOOR, FIRST TWO 5‰" GRID FLOORS. 3•" MAXIMUM DIMENSION FROM FACE A996, OR A706. ALL REINFORCEMENT BARS SHOWN MEET THE REQUIREMENTS OF ASTM A615, AASHTO M270, GRADE 36, f = 36 ksi f = 60 ksi 150 lbs/ft 115 lbs/ft 3 3 OTHERWISE NOTED. PROVIDE 1•" CONCRETE COVER ON REINFORCEMENT BARS UNLESS IS CONSIDERED SACRIFICIAL. PROVIDE 1•" COVER OVER GRID. THE TOP •" OF THE OVERFILL/OVERLAY EXCEEDS 3", PROVIDE HAUNCH REINFORCEMENT. SHEET 1 OF 4 BUREAU OF PROJECT DELIVERY 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. FOR STANDARD TYPICAL WATERPROOFING AND EXPANSION DETAILS SEE BC-788M. 17. 18. 19. 20. 21. 22. 4 ‚" FULL DEPTH GRID REINFORCED CONCRETE BRIDGE DECK SHOWN, DETAILS ARE APPROPRIATE FOR 5‰" FULL DEPTH DECK DESIGNS AS WELL. FILL HALF DEPTH GRIDS FULL DEPTH FOR A MINIMUM DISTANCE OF 3'-0" WITHIN 14'-0" ON BOTH SIDES OF AN OPEN JOINT IN THE BARRIER, AND AT DESIGN MANUAL PART 4, VOLUME 1, PART B DESIGN SPECIFICATIONS. SEE NOTES ON SHEET 4 FOR STEEL GRID COATING OPTIONS. f = 4,000 psi CLASS AAAP CONCRETE OVERHANGS, ARE DESIGNED TO RESIST A VEHICULAR COLLISION FORCE AT TEST RESIST A VEHICULAR COLLISION AT TEST LEVEL 4. WHEN NO LONGITUDINAL DIRECTOR, BUR. OF PROJECT DELIVERY REFERENCE DRAWINGS BC-726M DECK FOR BEAM BRIDGES DESIGN & DETAILS STEEL GRID REINFORCED CAST IN PLACE CONCRETE BRIDGE APR.29, 2016 APR.29, 2016
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BD-604M
COMMONWEALTH OF PENNSYLVANIADEPARTMENT OF TRANSPORTATION
STANDARD
DESIGN & DETAILS
FOR BEAM BRIDGES
DECK ATTACHMENT, PANEL SPLICE AND HAUNCH DETAILS SHOWN ON SHEET 2.
EXTRUSION NOTE: ONE PIECE EXTRUSION IN LIEU OF TWO PIECE MEMBER (EXTRUSION AND PLATE COMBINATION) IS PERMITTED. WELD IN ACCORDANCE WITH AASHTO/AWS D1.5M SPECIFICATIONS. (FULL PENETRATION WELD AND N.D.T. REQUIRED)
gagordon
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e-Notification No. 60, dated July 29, 2016
{
T
SOME GRID CROSS BARS MAY BE OMITTED TO FACILITATE REBAR PLACEMENT
2‚"
ƒ"
BARRIER REINFORCEMENT
MODIFIED MEDIAN BARRIER REINFORCEMENT
MODIFIED CONCRETE MEDIAN BARRIER DETAIL
#5
#5
ALTERNATE BARRIER IS APPROVED.
DIMENSIONS ACCORDINGLY IF
BARRIER HEIGHT OF 3'-6", ADJUST
DIMENSIONS INDICATED FOR TYPICAL
NOTE:
CONCRETE
WEIGHT
5" NORMAL-
CONCRETE
WEIGHT
9" LIGHT-
CONCRETE
WEIGHT
NORMAL
1'-2"
CONCRETE
WEIGHT
LIGHT
1'-5"
#5
#5
2'-8
…"
2'-5"
5ƒ"
3‚"
5…"
INSIDE RAD.= 3"
6"
2‚"
5ƒ"
4"5ƒ"
1'-8•
"
RA
D.
=3"
IN
SI
DE
4"
RAD.=3"
INSIDE
1'-10•
"
(STAGGERED )
BETWEEN LEFT HAND ANCHOR
HAND ANCHOR CENTERED
#5 @ 14" MAX. RIGHT
2" CL. (TYP)
#5 @ 14" MAX.
LEFT HAND ANCHOR
#5 @ 14" MAX.
R= 9‡"
2'-5•" FOR 5‰" GRID
2'-4•" FOR 4‚" GRID
3'-1" FOR 5‰" GRID
2'-11" FOR 4‚" GRID
42" BARRIER
50" BARRIER
R= 3" 10†"
1‡" - 42" BARRIER
3†" - 50" BARRIER
6"
6•"
11•
"
5•"
1'-8•"
BD-604M
COMMONWEALTH OF PENNSYLVANIADEPARTMENT OF TRANSPORTATION
STANDARD
DESIGN & DETAILS
FOR BEAM BRIDGES
GRID REINFORCED CONCRETE BRIDGE DECK
CHIEF BRIDGE ENGINEER
RECOMMENDEDRECOMMENDED SHEET 2 OF 4
BUREAU OF PROJECT DELIVERY
DIRECTOR, BUR. OF PROJECT DELIVERY
APR.29, 2016 APR.29, 2016
gagordon
Text Box
3
1
2
2
2
1
1
2
0
0
BEARING
BAR BAR SPACING
BEARINGNUMBER OF
SUPPLEMENTALSUPPLEMENTAL
SIZE OF
NORMAL WEIGHT CONCRETE
2
FILL
TYPE OF
CONCRETE
OVERALL DECK WEIGHT (STEEL AND CONCRETE)
LIGHT WEIGHT CONCRETE
MAXIMUM CANTILEVER
3
0
0
(IN) (IN) BARS (IN)
5.0
7.0
6.0
8.5
8.0
11.0
5.0
5.0
6.0
6.0
8.0
8.5
3.5
3.5
5.0
5.0
4.0
4.0
7.0
7.0
4.5
4.5 OVERFILL
FLUSH FILL
OVERFILL
FLUSH FILL
OVERFILL
FLUSH FILL
OVERFILL
FLUSH FILL
OVERFILL
FLUSH FILL
OVERFILL
FLUSH FILL
OVERFILL
FLUSH FILL
OVERFILL
FLUSH FILL
OVERFILL
FLUSH FILL
OVERFILL
FLUSH FILL
OVERFILL
FLUSH FILL
N/A
N/A
N/A
1
2
2
2
1
1
6.5
6.5
8.0
8.0
11.0
11.0
4.5
4.5
6.0
6.0
7.5 OVERFILL
FLUSH FILL
OVERFILL
FLUSH FILL
OVERFILL
FLUSH FILL
OVERFILL
FLUSH FILL
OVERFILL
FLUSH FILL
OVERFILL
FLUSH FILL
N/A
N/A
N/A
TABLE 1: FULL DEPTH FLOORING DESIGNS
TABLE 2: HALF DEPTH FLOORING DESIGNS
SPAN TABLES FOR "OVERFILL" BASED ON 1ƒ" THICKNESS OF CONCRETE ABOVE
BARS
4‚
4‚
5‰
5‰
5‰
5‰
5‰
5‰
5‰
5‰
8
6
8
10
10
6
8
6
8
6
8
†x†
1 x Š
1 x Š
1 x Š
1 x Š
1 x Š
1 x Š
69
48
83
62
81
60
96
75
94
73
97
76
96
75
94
73
100
76
97
76
95
74
59
42
70
53
68
51
81
64
79
62
65
80
63
78
61
85
68
82
65
80
63
82
60
43
57
40
56
39
63
46
59
42
57
40
70
49
67
46
66
45
72
51
69
48
67
46
7.51 x Š
1 x Š
1 x Š
1 x Š
1 x Š
1 x Š
5‰
5‰
5‰
5‰
5‰
5‰
10
10
6
8
6
8
•" SACRIFICIAL WEARING COURSE). FOR EXAMPLE, FOR A HALF DEPTH 5‰" GRID
EXAMPLE, FOR A HALF DEPTH 5‰" GRID, (2•" OF CONCRETE WITHIN THE GRID
4.0
4.0
4.0
3.5
4.5
5.0
4.5
3.5
4.0
3.5
4.0
2.5
3.0
2.0
5.0
3.5
3.0
6.5
5.0
4.0
4.5
4.0
3.5
5.0
4.0
3.5
5.0
3.5
3.0
6.5
5.0
4.0
NOTES ON TABLES:
1. COLUMN LABELED "CANTILEVER REBAR" INDICATES SIZE AND SPACING OF REBAR WHICH MUST BE
INSERTED FLUSH WITH TOP OF GRID INTO GRID REINFORCED DECK OVERHANG.
2. SPAN LENGTHS INDICATED ARE BASED BOTH ON HISTORICAL DATA AND FIELD TESTED INSTALLATIONS.
IT IS ACKNOWLEDGED THAT THERE ARE DISCREPANCIES WHEN SPAN LENGTH OF VARIOUS DECK
DESIGNS ARE COMPARED.
SPAN
UNLESS PROHIBITED DUE TO PROJECT DECK DEAD LOAD RESTRICTIONS, ALL GRID
CLEANING OF THE TOP OF THE FLUSH FILLED GRID SURFACE PRIOR TO PLACEMENT OF
SPECIAL MIX DESIGNS (MICRO-SILICA, LMC, FOR EXAMPLE) TO INSURE ADEQUATE
OF DECK, INCLUDING INTEGRAL OVERFILL OR PROPERLY BONDED RIGID OVERLAY (LESS
REGION, ALL GRID CROSS BARS PLUS ACTUAL CONCRETE THICKNESS ARE COUNTED. FOR
FOR COMPUTATION OF COMPOSITE SECTION PROPERTY OF GIRDER IN POSITIVE MOMENT
COATING OF UNDERSIDE IS REQUIRED.
SURFACES OF GRID IN CONTACT WITH CONCRETE NEED NOT BE COATED IF GRID IS TO
RECEIVE AN OVERLAY. IF THIS OPTION IS USED, APPLY AN APPROVED COATING SYSTEM
THE STEEL GRID MAY BE FABRICATED FROM UNCOATED WEATHERING STEEL, IN WHICH
NOTES:
4.
1.
2.
3.
3.
2.
1.
A RECOMMENDED METHOD OF CONSTRUCTING AN OVERLAY. WEIGHTS SHOWN IN MAXIMUM
TOP OF STEEL GRID BARS.
THE OVERLAY. THE SAME PRECAUTIONS APPLIES FOR ANY SPECIAL POLYMER OVERLAY.
680, 1080.3(e), AND AS DIRECTED BY THE ENGINEER.
TO THE UNDERSIDE AND EXPOSED SURFACES OF THE GRID. FOR EXAMPLE THE UNDERSIDE
OF THE GRID COULD BE PAINTED WITH THE SAME SYSTEM USED TO COAT BRIDGE
SUPERSTRUCTURE.
CASE THE CONCRETE FORM PANS TO BE MADE FROM PRE-GALVANIZED SHEETS MEETING
DECK OVERLAY:
REINFORCED CONCRETE BRIDGE DECKS ARE TO RECEIVE AN OVERLAY WHEN INITIALLY
INSTALLED. IF A PROJECT REQUIRES A FLUSH FILLED DECK, COAT ALL GRID SURFACES
WITH AN APPROVED PAINT SYSTEM, OR HOT DIP GALVANIZE THEM.
EXERCISE GREAT CARE WHEN USING SEPARATELY POURED RIGID OVERLAYS OF
CONCRETE DECKS", FOR ADDITIONAL GUIDANCE.
REFER TO BRIDGE GRID FLOORING MANUFACTURER'S ASSOCIATION (BGFMA) PUBLICATION
"STANDARD SHOP PRACTICES AND FABRICATION TOLERANCES FOR GRID REINFORCED
T = OVERALL DEPTH DETERMINING EFFECTIVE WIDTH OF FLANGE APPLY, IN WHICH
FOR ADDITIONAL CORROSION PROTECTION, A COATING SYSTEM MAY BE APPLIED TO ALL
GRID SURFACES (INCLUDING THOSE IN CONTACT WITH THE CONCRETE). FOR EXAMPLE,
STEEL GRID PANELS MAY BE HOT DIP GALVANIZED, IN WHICH CASE NO ADDITIONAL
ASTM A653, G-90.
BITUMINOUS OVERLAYS MAY BE APPLICABLE IN ACCORDANCE WITH PUB 408, SECTION 420,
AND 3ƒ" (4ƒ" LESS •" SACRIFICIAL) OF CONCRETE ACROSS THE EFFECTIVE WIDTH.
AND A 1ƒ" INTEGRAL OVERFILL OR 4‚" TOTAL), DESIGN TO USE ALL CROSS BARS
EFFECTIVE FLANGE WIDTH:
(SEE NOTE 3)
(FT)
(SEE NOTE 2)
MAXIMUM SPANS FOR INFINITE FATIGUE LIFE
(LBS/FT ) 2(LBS/FT )
AND SPACING
(SEE NOTE 4)
PL-3 CRASH LOAD (FT)
STRENGTHENED TO RESIST
CAPACITY OF DECK
BASED ON THE
MAXIMUM OVERHANG
(FT)
INTERIOR SPAN
BASED ON 0.625 x
MAXIMUM OVERHANG
BEARING
BAR BAR SPACING
BEARINGNUMBER OF
SUPPLEMENTALSUPPLEMENTAL
SIZE OF
NORMAL WEIGHT CONCRETE
2
FILL
TYPE OF
CONCRETE
OVERALL DECK WEIGHT (STEEL AND CONCRETE)
LIGHT WEIGHT CONCRETE
MAXIMUM
(IN) (IN) BARS (IN)BARS
SPAN
(SEE NOTE 3)
(FT)
(SEE NOTE 2)(LBS/FT ) 2(LBS/FT ) (SEE NOTE 4)
PL-3 CRASH LOAD (FT)
STRENGTHENED TO RESIST
CAPACITY OF DECK
BASED ON THE
MAXIMUM OVERHANG
(FT)
INTERIOR SPAN
BASED ON 0.625 x
MAXIMUM OVERHANG
4. REFER TO LRFD AASHTO SECTION 13.2 FOR DEFINITION OF PL-3 LOADING.
GRID SURFACES COATING:
INTEGRAL OVERLAYS (POURED MONOLITHICALLY WITH CONCRETE PLACED INTO GRID)IS
TO BE IN ACCORDANCE WITH AASHTO SPECIFICATIONS. STANDARD AASHTO CRITERIA FOR
(SEE NOTE 1)
REBAR SIZE
CANTILEVER
AND SPACING
(SEE NOTE 1)
REBAR SIZE
#4 @ 6"
#5 @ 4"
#4 @ 6"
#4 @ 8"
#4 @ 8"
#5 @ 10"
#4 @ 10"
DESIGN GRIDS TO BEHAVE COMPOSITE WITH SUPPORTS; SHEAR STUD DESIGN IS
WITH A 1ƒ" OVERFILL, T = 6‹" (5‰" + 1ƒ" -1/2 ").
PRESENCE OF CONCRETE IS NEGLECTED IN NEGATIVE MOMENT REGION, AND FABRICATION
NOTCHES IN CROSS BARS ARE DEDUCTED.
#4 @ 8"
#5 @ 10"
#4 @ 10"
3. ALL LISTED DESIGNS REQUIRE THE USE OF STEEL GRADE 50 EXCEPT DECK DESIGN 5‰"
I-BEAM @ 6" c/c WITH TWO (2) SUPPLEMENTARY BARS WHICH REQUIRES THE USE OF GRADE 36.
BD-604M
COMMONWEALTH OF PENNSYLVANIADEPARTMENT OF TRANSPORTATION