rock to a depth of 4O feet. At the depth of 15 feet, H' = 10,0 fret. for 
Kt = 20.8 feet and W = 10,000 pounds W/K! = 6,67 x 10°, Entering Figure 3a 
with these values the slope is found to be approximately 1.75. Similarly 
at the depth of 0 fect, H! = 2.33 feet and with W = 500 pounds and K! = 0,015, 
W/K!. 2 3.33 x 104, Fron plete 3a the slope is about 1 on 1.25. 
The following table summarizes the sea side slepes necessary for a stable 
section. 
Depth Stone Weight Stable Slope 
(feet) (tons) 
O 10 i ia 3) 
15 5 i on 1 3/7) 
)0 = 1 on a U/l 
The resultant stable profile is plotted on Figure 2. 
Acknowledgment 
The writers wish to express their appreciation to Richard H, Allen for 
Calculaticus performed for this paper. 
15 
