Re: What are my mistakes in ASMOLEN construction according to the new regulation Hello My suggestions; You cannot solve the hollow block project LIMITED. You have to solve the hash. (Make the selection with the guidance of the wizard.) When the hash is solved, Mdev>0.75 error according to TBDY2008 4.3.4.6. As I said before, it is difficult to meet this requirement. (Annex 4.3.4.6 ERROR) Return to the column beam system. Unver ÖZCAN