A cracked beam forced the $2.2 billion terminal’s closure after six weeks. Unraveling why required physics, metallurgy, and engineers with nerves of steel.
source https://www.wired.com/story/microcracks-undermined-san-franciscos-new-bus-terminal
source https://www.wired.com/story/microcracks-undermined-san-franciscos-new-bus-terminal