Table 16
KD VALUES FOR STONE BREAKWATERS
Structure
Structure Trunk
Head (End)
Slope
Armor
Layers
KD
KD
cot 0
Quarrystone
Smooth rounded
2
2.1
1.7
1.5 to 3.0
Rough angular
2
3.5
2.9
1.5
2.5
2.0
2.0
3.0
Graded riprap
Not Recommended
A major advantage of a quarrystone breakwater is that the structure does not necessarily fail when
differential settlement occurs. Through the years, stone has been used for more breakwater construction
than any other material. It is time-tested and can be quite economical if suitable rock is available locally.
106
Previous Page
