Table 7. Summary of scale ratios for various materials. 



Material 



Prototype 

 material 



^y' 



nb 



y 



A 



Rocklite 



Sand, D50 =0.22 



0.182 



5.45 



0.0708 



0.059 



D^Q = 1.2mm 



Sand, D5Q =0.46 



0.182 



2.61 



0.0186 



0.010 



Pumice 



Sand, D50 = 0.22 



0.363 



3.64 



0.347 



0.366 



Dr g = . 8mm 



Sand, D50 =0.46 



0.363 



1.74 



0.0905 



0.062 



PVC 



Sand, D50 = 0.22 



0.182 



2.73 



0.0201 



0.011 



DgQ = 0.6mm 



Sand, D50 =0.46 



0.182 



1.30 



0.0052 



0.0019 



Glass 



D5Q = 0.3mm 



Glass 



D5Q = 0.6mm 



1.0 



0.5 



0.284 



0.189 



Table 8. Test conditions 



for attempted model 



law verii 



Fication 





Model/CERC 



^' (cm) 



T. (s) 



^' (cm) 



V 



X 



Ho/Lo 



Rocklite/7(0.22) 



11.4 



4.26 



26.9 



0.0708 



0.059 



0.0028 



Rocklite/3C0.22) 



11.9 



3.01 



30.2 



0.0708 



0.059 



0.0078 



Rocklite/6(0.22) 



3.9 



4.26 



32.4 



0.0708 



0.059 



0.00099 



Pumice/4 (0.46) 



14.6 



1.68 



40.0 



0.0905 



0.062 



0.035 



54 



