Weld access holes allow workers access to the beam so they can complete the weld, said Ashwani Dhalwala, a principal of AEC Solutions who has worked extensively on the issue of fractures in steel.

UCSD Structural Engineers Design Weld-Free Steel Frame. ScienceDaily . Retrieved May 24, 2025 from www.sciencedaily.com / releases / 2002 / 04 / 020403025122.htm ...

The initial test conducted in 2001 on a large-scale assembly indicated that the post-tensioned steel frames can absorb strong earthquake motions with little or no damage. Advanced Search Home ...

SAN FRANCISCO — An “extraordinary amount of oversight” failed to identify the issues that led to cracks forming in two structural steel beams at the Salesforce Transit Center in San ...

The ubiquitous I-beam is a key example: often most economical for conventional structural applications, the I-beam can efficiently handle bending or shear loads in one direction. It is also easily ...

Transbay terminal officials said Thursday that the weld access holes suspected of triggering cracks in giant steel beams on the $2.2 billion project had ... a San Francisco based structural ...