Bolt Stress Analysis Engineering Calculator per AISC 9th Edition Bolt Spacing at 3"
ECCENTRIC LOADS ON BOLT GROUPS - FOR TWO VERTICAL ROWS
Based on the Instantaneous Center of Rotation Method and Alternate Method 2
Using Table XII from AISC 9th Ed. Manual (ASD) - page 4-63
Bolt group instantaneous center analysis for two rows spaced at 3"
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