I noticed I have a half inch gap between the load balancing beams where they meet on top of Lally column. The Lally column is made of concrete and solid underneath. There is no visible cracks on the basement floor near the lally column. I have a total of 4 Lally columns in the basement and this is only happening to 1 Lally column. These beams are right below my stairs to the basement and about 6 inches to the right. There are 3 beams and they are all level underneath but the vertical part of the beam is not level in multiple spots across multiple beams. House is 26 years old and a 2 story Gambrel. Should I put some sort of steel plate into both beams where they meet to prevent the gap from expanding or is the half inch gap acceptable and I do not need to do anything?