The Specifications - FastenerForce One Resources PDFs

5/8 Insert Failure at 9,320 pounds Concrete Broke around the inserts, then the concrete block split in the area of the strengthening steel bar. Insert did not break. 3/4 Insert Failure at 9,830 lbs Concrete broke around insert body and split at strengthening steel bar. Place did not break. 3/4 Long Insert Failure at 12,860 pounds Lips along slot of insert broke.

Place did not take out of concrete. SHEAR  More Discussion Posted Here : The tests drawing in an instructions parallel to the surface area of the concrete were made with a heavy angle block bolted at the mid point of the slot of the insert. The load was applied 2" out from the surface area of the concrete.

The list below outcomes were obtained: 5/8" Place 5,240 lbs Bolt slipped in slot 1/16" 6,600 lbs Bolt slipped in slot 3/16" 7,600 lbs Bolt insinuated slot 3/8". No failure in insert or concrete, but bolt was flexing somewhat. 14,000 lbs Optimum Load. Concrete broke around body of insert. 3/4" Place 7,600 lbs Bolt insinuated slot 1/16" 10,500 lbs Bolt slipped in slot 3/16" 10,960 lbs Bolt slipped in slot 3/8".

The Only Guide to ASTM F1554 - 20 Standard Specification for Anchor Bolts

11,100 lbs Maximum Load. Threads removed on bolt. 3/4" Long 5,660 lbs Bolt insinuated slot 1/16" 7,140 pounds Bolt slipped in slot 3/16" 7,840 lbs Bolt slipped in slot 3/8". No failure in insert or in concrete, however bolt was bending slightly. 19,150 pounds Maximum Load. Strong had slipped to bottom of slot and head sheared.

Parallel to Concrete Face from top of Anchor. Place Size 1 2 3 Average 5/8" 6,060 6,500 6,570 6,377 3/4" 7,040 7,580 7,230 7,230 3/4" Long 9,050 8,550 8,580 8,727 Concrete Fractured in all specimens, however insert did not fail. Compressive strength of concrete used at 28 days was 5,860 psi.

Place Size 1 2 3 Typical 5/8" 4,450 a 4,800 a 4,600 b 4,650 lbs 3/4" 5,400 b 5,800 b 5,700 a 5,633 pounds 3/4" Long 6,900 c 8,300 c 7,100 c 7,433 pounds a: Snapped Hood - Cracked Insert Slot Concrete Strength 6,040 psi b: Pulled Out - Insert Intact c: Broke Concrete - Insert Intact Concrete was poured into molds determining 11-1/2" x 20" x 20".