Structural · S-Q3SKX

Double Angle Beam Connection

Materials

Concrete Steel Metal (misc.)

Elements

Columns Beams Walls Floors / Slabs Decks Bracing Connections / Plates Roof / Floor Openings

Connections

HSS Connection Bracing Connection Welded Connection Bolted Connection

About this detail

Double angle beam connections to wide flange column flanges, along with associated framing plans, elevations, and connection schedules. Beams and girders frame into column flanges using angle sizes and bolt configurations specified in the double angle connection schedule. Standard bolt holes are provided per AISC requirements with three-quarter-inch diameter bolts and five-sixteenth-inch thick angles. Additional plan and elevation details show brace connections using hollow structural sections or angles welded with quarter-inch fillet welds or full penetration bevel welds depending on member widths and wall thicknesses.

1. PROVIDE STANDARD HOLES IN BOTH BEAM AND SHEAR PLATE. SHORT-SLOTTED THE AS-BUILT CONDITION. SUPPORT FACE FOR TEE IS THE INSIDE FACE OF FLANGE. BE 1 1/2" TYPICALLY, EXCEPT THAT 1 1/4" IS PERMITTED PER AISC TABLE J3.4 FOR 3/4" 6. WELD SIZES SHALL BE THE LARGER OF THE SIZE (t), TABULATED IN SCHEDULE "A" 8. COPE DEPTHS (SINGLE AND DOUBLE) SHALL NOT EXCEED THE LESSER OF THOSE CL BEAM 1" PER NOTES C & D BRACE (HSS OR ANGLE) BRACE (HSS OR ANGLE) PER NOTES 1/4 TYP NOTES: 1. WHEN BRACE DEPTH EQUALS BEAM DEPTH USE FULL WELD PENETRATION TOP AND BOTTOM. 2. WHEN BRACE DEPTH IS LESS THAN BEAM DEPTH USE FILLET WELD AT BOTTOM OF BRACE. PLAN NOTES: A. WHEN COLUMN WIDTH EQUALS BRACE/BEAM WIDTH USE FULL PENETRATION BEVEL WELD: B. WHEN COLUMN WIDTH LESS THAN BEAM WIDTH USE FILLET WELD: 1/4 1/4 C. FOR WALL THICKNESS (T), WHERE T=1/4", USE FILLET WELD: 3/16 D. FOR WALL THICKNESS (T), WHERE T=1/4"<T<3/8", USE FILLET WELD: 1/4 E. FOR WALL THICKNESS (T), WHERE T=3/8"<T<1/2", USE FILLET WELD: 5/16 CL COL BEAM BRACE BRACE BRACE 1" UNO 1 1/2" TYP ELEVATION PER NOTES T&B 1/4 T&B 1/4 TYP TYP PER NOTES CL COL 37.1k 55.7k 74.2k 92.8k 111.0k 130.0k 148.0k 167.0k 186.0k (2) 3/4"Ø (3) 3/4"Ø (4) 3/4"Ø (5) 3/4"Ø (6) 3/4"Ø (7) 3/4"Ø (8) 3/4"Ø (9) 3/4"Ø (10) 3/4"Ø DESIGNATION BOLTS REQUIRED CONNECTION REQUIRED DOUBLE CONNECTION SCHEDULE "D" NOTES: 1. BEAM AND COLUMN SIZES PER PLAN. 2. PROVIDE STANDARD BOLT HOLES PER AISC. 3. CAPACITIES BASED ON A-SC-9TH EDITION A325N BOLTS TABLE 11A-11C W/ 5/16" THICK ANGLES. 4. ANGLE LEG LENGTHS TO BE AS REQUIRED. 5. CONNECTION MATERIAL SIMILAR TO COLUMN AND BEAM/GIRDER WEB. 6. CONNECTION ANGLES MAY BE WELDED TO BEAM ON COLUMN PER AISC. BEAM/GIRDER TO WIDE FLANGE COLUMN FLANGE SECTION CL COL COL PER PLAN BEAM PER PLAN ANGLE SIZE & CONN TO SUPPORT PER DOUBLE ANGLE CONN SCHED "D" NUMBER OF BOLTS PER SCHED "D" XDL CONC OVER METAL DECK PER PLAN BEAM/GIRDER EA SIDE WHERE OCCURS PER PLAN CONC OVER METAL DECK PER PLAN BEAM/GIRDER PER PLAN COL PER PLAN CL COL MIN 2 1/4" TYP 3" 2DL 3DL 4DL 5DL 6DL 7DL 8DL 9DL 10DL T/SLAB PER PLAN T/STL PER PLAN T/SLAB PER PLAN T/STL PER PLAN SECTION SCALE: 1" = 1'-0" 13 DOUBLE ANGLE BEAM CONNECTION

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