san francisco millenium tower sinking

Sinking San Francisco Tower Proves Value Of Geotechnical Engineering

San Francisco’s fourth-tallest skyscraper has a big, expensive problem: it’s sinking. Not only that, but it’s sinking twice as fast as originally feared. How does something like this happen? What can be done?   The Curious Case of The Sinking Tower Usually, you might think that a massive, 58-story skyscraper in one of America’s wealthiest…