751.18 Concrete Multicell Box Girder Bridges: Difference between revisions
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==751. | ==751.18.1 Reinforcement== | ||
===751. | ===751.18.1.1 Single Column Design=== | ||
'''Top Slab Modifications at Intermediate Bent:''' | '''Top Slab Modifications at Intermediate Bent:''' | ||
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<center>'''SECTION AT INT. BENT'''<br/>'''(SINGLE COLUMN)'''</center> | <center>'''SECTION AT INT. BENT'''<br/>'''(SINGLE COLUMN)'''</center> | ||
===751. | ===751.18.1.2 Web Reinforcement=== | ||
'''Top Slab Modifications at Intermediate Bent:''' | '''Top Slab Modifications at Intermediate Bent:''' | ||
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<center>'''TYPICAL SECTION THRU WEB & SLABS'''</center> | <center>'''TYPICAL SECTION THRU WEB & SLABS'''</center> | ||
==751. | ==751.18.2 Miscellaneous Details== | ||
===751. | ===751.18.2.1 Access Doors=== | ||
ACCESS DOORS (RECTANGLE) | ACCESS DOORS (RECTANGLE) | ||
Latest revision as of 07:38, 2 April 2021
751.18.1 Reinforcement
751.18.1.1 Single Column Design
Top Slab Modifications at Intermediate Bent:
The reinforcement shown below shall be used in place of the design slab steel.
(1) designed slab steel
(SINGLE COLUMN)
751.18.1.2 Web Reinforcement
Top Slab Modifications at Intermediate Bent:
751.18.2 Miscellaneous Details
751.18.2.1 Access Doors
ACCESS DOORS (RECTANGLE)
WEIGHT 179#
ACCESS DOORS (OVAL)
See Section 4A for painting or galvanizing note.
ACCESS DOORS LOCATION
- Generally, access doors shall be positioned on or near 1/4 point of span and centerline of roadway.
It is permissible to shift position of access doors when:
- Girder is located at centerline of bridge
- To prevent cutting additional slab bars
- To clear construction joints
- To maintain adequate vertical clearance
If possible, do not locate access doors over a roadway or berm.
| PLAN OF ACCESS DOOR SHOWING REINFORCEMENT |