sounds more like settling noises to me.
Best to stay in nothing more than two stories tall.
The key thing here is that it’s only been ‘open’ for about a hundred days. I watched some fire safety interviews on this from Sydney, and they hinted that it’ll be at least ten days before a real assessment can be released. A 1 to 2 cm lean has been detected since the noise.
So, the question now becomes what was there before the new building.
Heads = Design failure.
Tails = Chinese steel.
Poor quality steel from China. A totally preventable manufacturing flaw.
I am just guessing at this point but research hydrogen embrittlement for yourself.
Interesting Reddit thread....
https://www.reddit.com/r/sydney/comments/a91wit/opal_tower_structural_damage_sydney_olympic_park/
OOOPS!
Were too many people all on the same side of the building? /s
There was a 4.0 magnitude earthquake near Sydney back in Sept. 2018. Not a daily occurrence, but it could be a factor.
https://earthquaketrack.com/p/australia/recent
The Leaning Tower of Sydney. It leans the other way.
Forum thread with some local opinions:
https://www.reddit.com/r/sydney/comments/a91wit/opal_tower_structural_damage_sydney_olympic_park/
Not settling on the 10th floor. More like a weld broke.
Post-tension cables letting go? Not expected on new construction but quite impressive when it happens on older buildings and you are inside.
The Hotel New World collapse (killing 33) was foretold a day earlier by columns cracking. However, these tells were not correctly identified at the time as foretelling the collapse, and the building was not evacuated.
https://en.wikipedia.org/wiki/Collapse_of_Hotel_New_World
The People living there are only Renting. They don't own the Apartments like the people in San Francisco who own Apartments in the sinking Millennium Tower. Pull up the Moving Trucks and see ya', wouldn't want to be ya'...