He had run the numbers three times. Each time, the same answer: the bracket connecting the crane girder to the main column would develop micro-cracks within 12 years, not the required 50. Old Xu had dismissed it. “The 4th Edition is conservative to a fault,” he had said. “Field practice always wins.”
“Not tomorrow. But one day.”
He looked at the crane. It hung there, beautiful and terrible, its hoist blocks gleaming like polished teeth. Then he looked at the bracket. The welds were inward. Just like Tangshan. Crane-supporting Steel Structures Design Guide 4th Edition