If your account is blocked, then you can not get in here. And there is a notice from the admin via email.
You will get an email from admin about it and also you will be unable to access the site.
If you get a status on the block by an admin, then you can not log in again to this site and such information can be found in the email.
You could be blocked permanently or partially. if you are permanently blocked, you can not get into this site again. but if partially blocked, you can still go to this site, but there is a page that you can not access. for example you can not get into forums or can not get into the Questions & Answers.