THE VIDEO SHELF · structural engineering
What Really Happened at the Millennium Tower?
Practical Engineering explains why San Francisco's Millennium Tower is sinking and tilting, covering how geology and foundation design (friction piles in the Colma Formation) affect skyscrapers. It also covers the fix being attempted.
Why HN readers recommended it
HN commenters point to it as the well-made, detailed explanation of the Millennium Tower debacle whenever the tower comes up.
This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.
Video & recommendation details
- Creator / channel
- Practical Engineering
- Topic
- structural engineering
- Format
- explainer
- Level
- general
- HN recommenders in dataset
- 2
- HN mentions in dataset
- 3
- Recommendation years in dataset
- 2022–2023
These counts and years describe the included Hacker News records; they are not YouTube views or the video’s publication date.
From the original HN conversations
Excerpts from the recorded comments. Follow each source for the full comment and surrounding discussion.
Grady also has an excellently made video about the leaning Millennium Tower in SF and what they’re doing while still trying to fix it. [VIDEO]
dodgerdan on Hacker News · 2022-07
In Myths about constructionHere is someone who goes into detail about the Millennium Tower debacle: [VIDEO] In short, shortcuts, or more charitably, miscalculations. They really thought they had enough margin to work with but obviously that wasn’t the case.
mc32 on Hacker News · 2023-01
In CA Cities to Lose All Zoning Powers in 2 Days
Summaries, classifications and recommendation records are from the HackerTube source dataset. Read about this library and its limitations.