How Long Until Materials In this Project Become Degraded

[Point Conception]

This unfinished high rise condo/hotel in gulf of Thailand has been in incomplete state for about 3 years.
How long can the materials last in terms of the project being completed ?

 

[Simon Bridge]

It's steel and concrete ... depending on the exact type of concrete, it can last from decades to millenia.
The Roman structures built from concrete are still around today.

Also see:
https://www.physicsforums.com/threads/how-long-do-buildings-last.202882/

 

[Kevin McHugh]

There is exposed steel there which will oxidize. It takes a long time to rust through rebar, but it will happen.

 

[Simon Bridge]

Rebar rusts to uselessness in order of decades to centuries.

 

[Kevin McHugh]

There is exposed steel there which will oxidize. It takes a long time to rust through rebar, but it will happen.

Yep, I've snapped quite a few pieces by hand when I was kid working construction in SFl.