116205_WOO-795-2.270 - Abutment Bearing Details - 07-23-2025.pdf
PDF 972 KB Posted
- Attached to
- D02 Elastomeric Bearings
- Solicitation number
- SRC0000033762
- Issued by
- Ohio
About this file
This document is a detailed engineering design sheet for an Ohio Department of Transportation (ODOT) bridge bearing replacement project for Bridge No. WOO-795-2.270 over Interstate 75. The project involves installing elastomeric bearings with internal laminates and load plates at the rear and forward abutments, with 11 bearings required at each abutment. The bearings will be pre-ordered by ODOT and picked up by the contractor from the District 2 Office in Bowling Green, Ohio. Installation will involve measuring existing beam elevations, ensuring proper fit, and mounting the bearings with specific orientation and marking requirements.
The design specifies technical details including steel load plates made from ASTM A709 Grade 50 steel, elastomer with 60 durometer hardness, and precise dimensional requirements for each beam location. The bearings are designed according to AASHTO LRFD Bridge Design Specifications, with each bearing supporting a total load of 194 kips (115 kips dead load and 79 kips live load). The basis of payment will be under item 516 - Bearing, with the unit price bid including all materials, labor, and incidental costs necessary for proper installation. Additional requirements include field verification of beam elevations, prime coating of bearings, and repair of any coating damage during installation.
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Text version
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REVIEWER
DESIGNER CHECKER
LAMINATES AND LOAD PLATE (NEOPRENE), INSTALLATION ONLY.
DEVICE, MISC.: ELASTOMERIC BEARING WITH INTERNAL
WILL BE MADE AT THE CONTRACT PRICE FOR ITEM 516 - BEARING
AND PEDESTALS, AND REPAIR OF THE PRIME COATING. PAYMENT
THE LAMINATED ELASTOMERIC BEARINGS WITH LOAD PLATES
THE EXISTING BEAM ELEVATIONS, AND TO PICK UP AND INSTALL
MATERIALS, LABOR, AND INCIDENTALS NECESSARY TO MEASURE
BASIS OF PAYMENT: THE UNIT PRICE BIDS SHALL INCLUDE ALL
AND THAT NO BEAMS OR BEARING DEVICES ARE FLOATING.
SNUG FIT BETWEEN THE BEARING DEVICE AND BEARING SEAT,
DETAILS SHOWN ON THESE PLANS, ENSURE THAT THERE IS A
IN ADDITION TO THE REQUIREMENTS OF C&MS 516 AND THE
C&MS 514.22.
REPAIR COATING DAMAGED BY FIELD WELDING ACCORDING TO
SHOWN ON THIS SHEET.
DISCREPANCIES COMPARED TO THE SURVEYED ELEVATIONS
TO THE ENGINEER PRIOR TO JACKING OPERATIONS. NOTE ANY
TO THE JACKING OPERATIONS. SUBMIT THE VERIFIED ELEVATIONS
FIELD VERIFY THE EXISTING BOTTOM OF BEAM ELEVATIONS PRIOR
GREEN, OHIO DURING NORMAL BUSINESS HOURS.
ODOT DISTRICT 2 OFFICE AT 317 EAST POE ROAD, BOWLING
AS DETAILED ON THIS SHEET. PICK UP THE BEARINGS FROM THE
ODOT WILL PRE-ORDER THE ELASTOMERIC BEARING ASSEMBLIES
INSTALLATION ONLY
INTERNAL LAMINATES AND LOAD PLATE (NEOPRENE),
BEARING DEVICE, MISC.: ELASTOMERIC BEARING WITH
IS INSTALLED.
MARKS SHALL BE PERMANENT AND VISIBLE AFTER THE BEARING
MARKS SHALL INDICATE THE ORIENTATION OF THE BEARING. ALL
ALL BEARINGS SHALL BE MARKED PRIOR TO SHIPPING. THE
514.20.
C&MS 514. PROVIDE THE PRIME COAT THICKNESS AS PER C&MS
COAT THE BEARINGS WITH INORGANIC ZINC PRIME COAT PER
THE ELASTOMER DURING THE MOLDING PROCESS.
GRADE 50 STEEL. BOND THE LOAD PLATES BY VULCANIZATION TO
THE STEEL LOAD PLATES AND HP PEDESTAL SHALL BE ASTM A709,
BRIDGES, DIVISION II, SECTION 18.7.2.6) IS NOT REQUIRED.
TEST (AASHTO STANDARD SPECIFICATIONS FOR HIGHWAY
SPECIFICATIONS. THE LONG-TERM COMPRESSION PROOF LOAD
14.7.6 (METHOD A) OF THE AASHTO LRFD BRIDGE DESIGN
THE BEARINGS WERE DESIGNED IN ACCORDANCE WITH SECTION
THE ELASTOMER SHALL HAVE A HARDNESS OF 60 DUROMETER.
ELASTOMERIC BEARINGS
SURVEYED BOTTOM OF BEAM ELEVATIONS
REAR ABUT. FWD. ABUT.
BEAM L 648.46 647.26
BEAM K 648.51 647.50
BEAM J 648.56 647.74
BEAM H 648.50 647.86
BEAM G 648.28 647.84
BEAM F 648.09 647.81
BEAM E 648.13 648.04
BEAM D 648.17 648.25
BEAM C 648.07 648.34
BEAM B 647.85 648.30
BEAM A 647.64 648.27
DIMENSION "hp"
BEARING PEDESTAL HEIGHT (IN.)
REAR ABUT. FWD. ABUT.
BEAM L 2
110 6
BEAM K 8
111 4
BEAM J 4
311 8
BEAM H 11 8
BEAM G 8
38 8
BEAM F 8
112 2
BEAM E 2
112 4
BEAM D 8
113 4
BEAM C 8
711 8
BEAM B 8
19 8
BEAM A 4
36 8
LAMINATED ELASTOMERIC BEARING
LOADS BEARING DIMENSIONS
BEARING LOCATION
REQ'D
NO.
(KIPS)
LOAD
DEAD
(KIPS)
LIVE LOAD
(KIPS)
LOAD
TOTAL
Le We Tpi Tpi
NO. OF
(2 EA.)
Tpe
(12 GAGE)
LAMINATES
NO. OF STEEL
Te
REAR ABUTMENT 11 115 79 194 15'' 18'' 0.48'' 7 0.330'' 8 4.857''
FWD. ABUTMENT 11 115 79 194 15'' 18'' 0.48'' 7 0.330'' 8 4.857''
3" 3"
We
Wt
"2 13 "2
T e
Le
Lt
EXPANSION BEARING AT ABUTMENT
Tpe - THICKNESS OF EXTERNAL
ELASTOMER LAYER
Tpi - THICKNESS OF INTERNAL
ELASTOMER LAYER 0.1046" THICK (12 GAGE)
INTERNAL STEEL LAMINATE
THE WEB OF HP STEEL SHAPE
1" DIA. VENT HOLE IN
BEARING�
HP10X42 PEDESTAL
�" LOAD 2
119" x 16" x 1
�LOAD
INTO EXISTING GIRDERS AND TOP
FIELD DRILL 1" DIA. VENT HOLES
GIRDER�
END OF GIRDERPLATE
STIFFENER
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THE SPAN.
THE PEDESTAL TOWARDS
ORIENT THE HIGHER SIDE OF
BEVEL TOP OF HP PEDESTAL.
�" LOAD 2
114" x 16" x 1
1'-4"1'-2"
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