> enough that they would stay in place and hold the tension
Then, what’s the issue? “Too much tension” is the question. A reasonable definition of “too much” is possible damage or that it affects performance.
Having experience with these, if it’s sitting on the ground flat, and it’s not being help there, then it’s about an order of magnitude away from “too much”, for damage.
I'm sorry, but you must not be familiar with Duplo tracks. This is an over engineered child's toy, specifically designed with knowledge that they will be abused.
Again, if it's flat on the ground, it's far from the point where something breaking is a concern.
Then, what’s the issue? “Too much tension” is the question. A reasonable definition of “too much” is possible damage or that it affects performance.
Having experience with these, if it’s sitting on the ground flat, and it’s not being help there, then it’s about an order of magnitude away from “too much”, for damage.
“No tension” is a different question.