0.20 



0.18 



0.16 



0.14 



£ 0.12 



0.10 



0.08 



0.06 



0.04 



6 8 



Weight of Tribars (tons) 



Figure 8-29. Volume of First Underlayer per 100 feet of Structure as a Function of 

 Tribor Weight, Concrete Unit Weight and Structure Slope 



8-80 



