Gareth Bradley wrote:
The reason for the sqaured is to get the top part of the division into kN.m and the bottom part of the equation is kN.m therefore giving an answer of no units and just a number i.e. 1.0
I understand that. What I was referring to was the fact that your graph shows CC increasing as SPAN increases (I assume the x-axis is SPAN); but your formula has CC decreasing as SPAN increases!
Alan