Seismic-Grade Bolting: When Skyscrapers Can’t Compromise”‘
’Challenge: AISC 358 moment connection pre-load drift
Solution:
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EN 14399 HV system with DTI washers (±5% tension accuracy)
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ASTM F3125 Grade 490 bolts for 9.0 magnitude resilience
Proof: Zero structural failures in 120+ seismic events
