Figure C-6. Channel Member Reinforcement

TB 9-2510-242-40

SECTION A-A

NOTES:

1. THICKNESS T2 FOR NEW PLATES IS 1 TIMES T, FOR ACCIDENT REPAIR AND 1 112 TIMES

T, FOR NORMAL SERVICE REPAIR.

2. NEW PLATE CAN OVERHANG ORIGINAL FRAME MEMBER TO AVOID OVERHEAD WELDING.

3. NEW PLATE INSIDE RADII SHALL MATCH OUTSIDE RADII OF ORIGINAL FRAME MEMBER.

4. WELD GAP AND WELD TYPE SHALL INSURE NEW PLATES ARE JOINED TO ORIGINAL

FRAME MEMBER AS WELL AS BOTH NEW PLATES TO EACH OTHER.

5. WHERE ASSEMBLY RESTRICTIONS EXIST, LENGTH OF NEW PLATES CAN BE REDUCED

WHERE 2H IS 1.12 TIMES 'H" OR MORE ON ONE SIDE ONLY OF REPAIRED CRACK/BREAK

AS LONG AS DIMENSION IS 1 112 OR GREATER.

6. NEW PLATES SHOULD BE TAPERED FOR GRADUAL LOAD AND STRESS TRANSFER.

7. WHENEVER ONE FLANGE ONLY IS CRACKED AND CRACK DOES NOT EXTEND MORE THAN

114 OF "H", ONE REINFORCEMENT PLATE ONLY IS NECESSARY.

8. BOTH OR ONE OF THE REINFORCEMENT PLATES CAN BE ON INSIDE OF ORIGINAL

CHANNEL DUE TO ASSEMBLY RESTRICTIONS.

Figure C-6. Channel Member Reinforcement

C-6