PART II: SOURCES OF DATA, TEST SETUPS, AND 

 TEST CONDITIONS 



3. The sources of data for this report came from model studies conducted 

 primarily for two US Army Corps of Engineer Districts, Detroit (NCE) and 

 Jacksonville (SAJ). 



4. Model studies conducted for NCE were to investigate wave runup on 

 riprap-protected dredge disposal dikes in the Great Lakes. The scope of this 

 study was expanded to include an unusually wide range of water depths at the 

 toe of the structure d~ , zero-moment wave heights H mo , and period of peak 

 energy density of the incident wave spectrum T . By expanding the scope of 

 this study beyond the immediate problems occurring on the Great Lakes, the 

 opportunity to develop a general wave-runup prediction method was provided. A 

 summary of test conditions for both the NCE and SAJ studies is given in 

 Table 1, and data collected on both studies are tabulated in Appendix A. 



Table 1 

 Summary of Test Conditions 































Armor 







Embankment 



d 

 s 



H 

 mo 



T 

 P 



W 50 



Unit 

 Weight 

 3 

 g/cm 



2.65 



Number 

 of 



Study 



Slope 

 1 on 2 



cm 



cm 



cm 



K 



Tests 



NCE 



11.9-38.5 



4.9-17.5 



1.02-4.74 



189 



40 



SAJ 



1 on 3 



19.0-23.8 



3.0-10.5 



1.39-1.46 



63.3-67.0 



2.55 



21 



SAJ 



1 on 4 



19.0-23.8 



3.2-10.3 



1.39-1.49 



56.9 



2.55 



8 



5. A 1- on 2- (1 vertical:2 horizontal) structural slope was used in the 

 NCE study. Plywood roughened with glued on pea gravel was used as the sup- 

 porting slope and simulated the impermeable core of the dike. This slope was 

 covered with a filter layer of Sioux Quartzite 5.5 cm thick. The range of 

 weight for this stone was from 6 to 41 g with a median weight of 18 g. Riprap 

 armor stone was placed by hand on top of the filter layer. Armor stones were 

 composed of Kimmswick Limestone with a range of weight from 144 to 233 g with 

 a median weight of 189 g. The armor layer was 10 cm thick. Figure 1 shows a 

 profile view of the model structure, and Figure 2 shows a plan view of the 

 test setup. 



