girder dimensions strand arrangements strand details at

Standard Drawing Guidance (do not show on plans):
To display the strand details open the reference
files dialog box and activate the display option
of the file with the description that best matches
what is required by the design.
See EPG for actual length of B1 bars which vary by
size.
The details of the coil ties are for closed diaphragms.
See EPG for details required with open diaphragms.
1 This detail only needs to be used if the structure
is over water. For all other crossings remove this
detail.
2 Remove if #5-B1 bars are used.
18"
21"±
"THIS MEDIA SHOULD
6"(Typ.)
DATE PREPARED
SHAPE
11
3~5"
11
Concrete for prestressed girders shall be Class A-1 with
f'c =
psi and f'ci =
psi.
13"
3'-0•" B1
PROJECT NO.
strands with an initial prestress force of
kips.
Prestressing tendons shall be uncoated, seven-wire, low-relaxation
strands, 1/2 inch diameter in accordance with AASHTO M 203, Grade 270.
Pretensioned members shall be in accordance with Sec 1029.
** At the contractor's option the location for bent-up strands may be varied from that shown for
fully bonded strands only. The total number of bent-up strands shall not be changed. One strand
tie bar is required for each layer of bent-up strands except at end bents which require one bar
on the bottom layer of strands only. No additional payment will be made if additional strand tie
bars are required.
B
A
2'-6"
B2
BRIDGE NO.
SHAPE 9
4 D1
2~3"
Top
leg
5"
XXX
9
GDR1
SHAPE 11
SHAPE 20
All dimensions are out to out.
Hooks and bends shall be in accordance with the CRSI
Manual of Standard Practice for Detailing Reinforced
X-Pairs-#X-B1, X-#4-C1, and X-Pairs-#4-D1 (Spaced as shown)
X"
X Spa. @
X"
X"
X Spa. @ X"
X"
BEEN
CONTRACT ID.
10
* At contractor's option a 1 1/2" to 1 3/4" smooth finish strip is permitted to facilitate
placement of preformed fiber expansion joint material or expanded or extruded polystyrene
bedding material for the prestressed panels.
(+) indicates prestressing strand.
3 Spa.
4 C1
*
SHAPE 10
13"
XXX
HAS
JOB NO.
IT
X~X"
6 B2
*
SHEET
X B1
16
*
COUNTY
PRESENT
STRAND DETAILS AT GIRDER ENDS
XXX
BR
11"
Concrete Structures, Stirrup and Tie Dimensions.
X Spa. @ X"
IS
STRAND ARRANGEMENTS
LOCATION OF
LIFTING LOOPS
INTERMEDIATE BENT
5•"
20
SEAL
END BENT
X~X"
3" (Min.)
DESCRIPTION
END OF GIRDER
SHEET NO.
9•"
Ë GIRDER
X A1
LENGTH
THIS
XXX
#5 Strand Tie Bar (Typ.)
(Normal to girders)
17"
MO
DISTRICT
BENDING DIAGRAM
2"
MARK
ƒ"
STATE
*
ACTUAL
ON
ƒ"
ROUTE
BILL OF REINFORCING STEEL - EACH GIRDER
GIRDER DIMENSIONS
SEALED
DOCUMENT."
11/23/2015
SIZE &
5"
A CERTIFIED
End of
Girder
6"
NO.
Use
NOT BE CONSIDERED
Fabricator shall be responsible for
location and design of lifting devices.
ELECTRONICALLY
Ë Lifting
Loops
2"
16"
5•"
3•"
6"
2'-8"
6"
(Typ.)
A
3/4" Bevel
not required
Cut top 2 rows of strands with a
12" projection and bend in shop.
Cut any remaining top strands
within 1" of end of girder.
2'-6"
3‚" 6" 4"
4"
1"
\
IF
13"
\
Actual lengths are measured along centerline of bar
@ 3•"
to the nearest inch.
1ƒ"
Minimum clearance to reinforcing shall be 1".
#4-C1
#4-C1
2
Ë Bearing
SECTION A-A
#X-A1
except as shown
X~X"
Ë - Ë Bearing
HIGHWAYS
X"
AND
Symm. abt. Ë girder
Strands not shown for clarity.
#4-B1
HALF ELEVATION OF GIRDER SPAN ( - )
C
A
B
Exterior and interior girders are the same, except for coil ties, and coil
Ë Two Welded Studs
#4-D1
#4-D1
inserts for slab drains and holes for steel intermediate diaphragms.
1/2" Bearing
Plate (ASTM A709
Grade 36)
SECTION B-B
1
Girder
Grade 36)
Top of
Girder
Ë 3"Ó Vent Hole
Strands not shown for clarity.
3/4" Chamfer
C
ƒ" (Typ.)
•"
Ë 3/4"Ó
(Min.) Coil
Tie Rods 2~6"
long ***
7"
2ƒ"
2ƒ"
4"
4"
15•"
(Typ.)
15"
PART ELEVATION AT END OF GIRDER
PART ELEVATION
OF GIRDER
BEARING PLATE DETAILS
PART SECTION NEAR
VENT HOLE
EXTERIOR GIRDERS
AT INT. BENTS
Galvanize the 1/2" bearing plate (ASTM A709 Grade 36) in
DETAILS OF COIL TIES
Cost of furnishing, galvanizing, and installing the 1/2" bearing
plate (ASTM A709 Grade 36) and welded studs in the prestressed
girder will be considered completely covered by the contract unit
price for Prestressed Concrete I-Girder.
EXTERIOR GIRDERS
AT END BENTS
INTERIOR GIRDERS
AT ALL BENTS
DETAILS OF VENT HOLE
accordance with ASTM A123.
65102
MO
CAPITOL
WEST
CITY,
Cost of 3/4"Ó coil tie rods placed in diaphragms will be
considered completely covered by the contract unit price
for Prestressed Concrete I-Girder.
Coil ties shall be held in place in the forms by slotted
wire-setting-studs projecting through forms. Studs are
to be left in place or replaced with temporary plugs until
girders are erected, then replaced by coil tie rods.
For location of coil inserts at slab drains, see Sheet
No.
.
3"
SECTION C-C
B1 BAR
PERMISSIBLE
ALTERNATE
SHAPE
2"
Plate (ASTM A709
7•"
ƒ" (Typ.)
1/2" Bearing
End of
MISSOURI
(1/2" x 4")
105
#4-C1
X~X"
JEFFERSON
5•"
#X-B1
5•"
All B1 bars shall be epoxy coated.
#4-D1
#4-D1
1-888-ASK-MODOT
TRANSPORTATION
fabricator's option.
2-#4-D1
#6-B2
COMMISSION
The two D1 bars may be furnished as one bar at the
2-#X-A1
2-#6-B2
(1-888-275-6636)
DATE
All reinforcement shall be Grade 60.
#X-A1
Place vent holes at or near upgrade 1/3 point of girders
For location of coil ties, see Sheets No.
&
.
The 1 1/2"Ó holes shall be cast in the web for steel
intermediate diaphragms. Drilling is not allowed.
For details of diaphragms, see Sheet No.
.
For Girder Camber Diagram, see Sheet No.
.
*** Length of coil tie rods
and clear reinforcing steel or strands by 1 1/2" minimum
and steel intermediate diaphragm bolt connections by
at exterior girders at
6" minimum.
end bents =
~ ".
Detailed
Checked
Note: This drawing is not to scale. Follow dimensions.
Sheet No.
of
gdr1_type2_2-8.dgn
AND DATED.
Supercedes: Aug. 2008
3"(Typ.)
Effective: Nov. 2015
Cut and shop bend with
2~ 6" projection. Cut
any remaining bottom
strands within 1" of
end of girder. **
gdr1_type2_2-8
1:15:12 PM
11/23/2015