
Revetment Design
Revetment design for the Alpha Iota Lodge will provide a robust solution to lakefront erosion. By adding revetment to the shoreline, erosion of the slope toe will be reduced which will help to maintain the slope stability of the site. The revetment design follows methods from Chapter 16 of the Wisconsin Supplement Engineering Field Handbook – Streambank and Shoreline Protection. The results from the revetment design are summarized below. These results represent our opinion of the best revetment design; however, it is important to note that several factors in the design are based on assumptions stated in the approach section, which significantly affect the outcome of the revetment design.
Back to Results


L = 8.824 meters
​
Hs = Hb = 1.2625 meters
​
R = 1.515 meters
​
S = 0.126 meters
​
m = 2:1
​
d = 0.6 meters
Upper Limit = 1.641 meters
​
Lower Limit = 1.894 meters
A Type D revetment was chosen to reduce the risk of ice damage [8]. Large toe rocks will be used to protect from undercutting and ice shoves. The thickness of the revetment is required to be twice the median diameter of the individual rocks. The diameter of the toe rocks will be twice the diameter of the revetment median rock diameter.
W50 = 185 kilograms
​
D50 = 0.45 meters
​
Revetment Thickness = 0.90 meters
​
Toe Diameter = 0.90 meters