Wave run-up on sloping structures

Background information
Basic equation used is from Hunt

    equation 1

in which Ru is the 2% run-up on a smooth slope and Hs is the significant wave height. As usual

    equation 2

Van der Meer [1993] has adapted this formula to:

    equation 3

in which the standard deviation of the measurements can be included:

    equation 4

The value u follows from the normal distribution. For standard design an exceedence of 10% is recommended, which results in a value of u = 1.28.

    equation 5

References
Al state of the art knowledge regarding run-up and overtopping is summarised in:

TAW [2002] Calculation of run-up and overtopping over sloping structures (in Dutch)

Other background information:
Van der Meer J.W. and Stam, C.J.M. [1992] Wave run-up on smooth and rock slopes of coastl structures, ASCE journal of WPC&OE, vol 118, (5) pp534-550