I believe William Gibson described something similar to the self-building towers in his book Idoru[1]. I think they were called nanotech buildings[2]
[1] https://en.wikipedia.org/wiki/Idoru [2] http://www.technovelgy.com/ct/content.asp?Bnum=83
[1] https://en.wikipedia.org/wiki/Idoru [2] http://www.technovelgy.com/ct/content.asp?Bnum=83