206 - Steel Structures

From Delaware DOT Bridge Design Manual
Jump to navigation Jump to search

206.6 - FATIGUE AND FRACTURE CONSIDERATIONS

206.6.2 - Fracture

SPECIFICATIONS COMMENTARY
The following shall replace paragraph 4 of A6.6.2:

The appropriate temperature zone designation for Delaware is Zone 2 for use with Table A6.6.2.1-2. The temperature zone shall be designated in the contract documents.

206.10 - I-SECTION FLEXURAL MEMBERS

206.10.11 - Stiffeners

206.10.11.1 - Transverse Stiffeners

206.10.11.1.1 - General
SPECIFICATIONS COMMENTARY
The following shall supplement A6.10.11.1.1.

Transverse stiffeners shall be welded to the girder web using a minimum 5/16-inch continuous fillet weld.

206.10.11.2 - Bearing Stiffeners

206.10.11.2.1 - General
SPECIFICATIONS COMMENTARY
The following shall replace the bearing stiffener connection requirements of A6.10.11.2.1 paragraph 4.

Each bearing stiffener shall either be milled to bear against the flange through which it receives its load and connected to both flanges using an appropriately sized fillet weld or attached to the flanges by a full penetration groove weld.

206.13 - CONNECTIONS AND SPLICES

206.13.6 - Splices

206.13.6.2 - Welded Splices

SPECIFICATIONS COMMENTARY
The following shall supplement A6.13.6.2:

Welded field splices are not permitted.