ELEVATION SKEW ANGLE 70 OR LESS ROLLED STEEL BEAMS by hedumpsitacross

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									                                                                                         This detail to be used when
                                                                                         connection plate extend
                                                                                         beyond edge of flange.
                                                                                1

          Note:
          Angle clip shown;                                                                                               Compression Flange
          optional radius clip
          acceptable.




               This connection creates a
               Category C Design Detail.
                                                                        Place diaphragm so that                                                Typ.


          2- !’’     Erecti
          connection to remain in place
                                                                     ]  minimum distances from
                                                                        flanges are equal.
                                                                                                   ]
          after welding.                                       Diaphragm level




                                                                                                                                                                                       for 24’’ stringers and smaller
                                                                                                                                                       for 27’’ stringers and larger
                                 Note: See View ’’A’’ Below.                                                                  Tension Flange
                                                                                                          T-Joint Weld, See Detail
                                                                           ELEVATION
          Parallel to skew.                                                Scale: None




                     2’’
                    max.
 Stringer
 Web
                                     c   of Erection
                                      Bolts.
                                                                                                              3’’




                                                                                                                                                      C15x33.9

                                                                                                                                                                                       C12x25
                                                                                                                    6’’

       T-JOINT WELD DETAIL FOR

    SKEW ANGLE OVER 70 TO 90
                   Scale: None
                                                                           Stringer Web


                                                                                                                               ’’ x 6
                                               T-JOINT WELD DETAIL FOR

                                               SKEW ANGLE 70 OR LESS
                                                                                                                             VIEW A
                                                        Scale: None
                                                                                                                           Scale: None




 Notes:                                                                     a        a       a                                                  Skew Angle
1. Slant lettering indicates note ’’For Office Use Only’’      c Brg.                               c Brg.
                                                                                                                          c of Roadway
2. Where the angle between the center line of
                                                                                                   b




  roadway and the center line of bearing is 70 or
                                                                                                   b




  less place diaphragms at 90 to the stringers.
                                                                                                                                           c of Bearing
  diaphragms shall be spaced as shown in detail this           Diaphragm                     Stringer
  sheet and as noted below.
3. Where aforementioned angle is greater than 70,                    DIAPHRAGM SPACING
                                                                                                                                  SKEW ANGLE
  the diaphragms shall be parallel to the                               70 OR LESS SKEW
  center line of bearing of the stringers.                                                                                         Scale: None
                                                                               Scale: None
4. Space intermediate diaphragms at 20’ + to
                                           -
       c
   25’ /c ; i.e. for spans. (Non-curved bridges only).
     +
     -
            c/
                                                                                                                                                                                                                            SUPERSTRUCTURE - STEEL




   Up to 25’ c bearings-no intermediate
                                                               APPROVAL
  Diaphragm.                                                                                              STATE OF MARYLAND
  From 25’ to 50’ c /c bearings-One Intermediate                     DIRECTOR                     DEPARTMENT OF TRANSPORTATION
                                                       OFFICE OF BRIDGE DEVEL.
  Diaphragm.                                                                                       STATE HIGHWAY ADMINISTRATION
                 c                                                                                      OFFICE OF BRIDGE DEVELOPMENT
  From 50’ to 75’ /c bearings-Two Intermediate         DATE:   6/20/75

  Diaphragms, etc.
                                                               REVISIONS                                ROLLED STEEL BEAMS
  (See Framing Plan).
                                                            SHA         FHWA
                                                                                                 INTERMEDIATE DIAPHRAGM DETAILS
5. All diaphragms are to be completely                 7-20-93
  connected to stringers before deck                                                                     WELDED CONNECTIONS
                                                         3-3-94
  slab is poured.                   FHWA APPROVAL        1-22-01
                                                                                    STANDARD     NO. BR-SS(8.03)-75-11                   SHEET                   1                     OF                               2
                                    DATE:   11-9-76    10-22-03

								
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