WAVE REFLECTION AND TRANSMISSION AT PERMEABLE BREAKWATERS

Rubble mound breakwaters are designed to protect exposed marine areas from excessive wave activity. Observations of breakwaters inter-acting with surface waves in laboratory models and in full-scale field applications demonstrate that significant wave energy is transmitted through the interstices of structures commonly regarded as impervious. The objective of this investigation is the development of a theoretical analysis to account for this phenomenon. Three breakwater configurations are considered: (1) crib style breakwaters with vertical walls and homogeneous fill, (2) conventional trapezoidal shape breakwaters with layered fill, and (3) pile array breakwaters composed of vertical piles placed in symmetric patterns. The two dimensional problem is studied. Waves are assumed to arrive at normal incidence.

• Corporate Authors:

  Massachusetts Institute of Technology

  Parsons Laboratory for Water Resources and Hydrodynamics
  Cambridge, MA  United States  02139
• Authors:
  • Sollitt, C K
  • Cross III, R H
• Publication Date: 1972-3

Media Info

• Pagination: 238 p.

Subject/Index Terms

• TRT Terms: Breakwaters; Force; Wave motion; Waves
• Old TRIS Terms: Regular waves; Wave action; Wave forces on structures
• Subject Areas: Marine Transportation; Terminals and Facilities;

Filing Info

• Accession Number: 00040910
• Record Type: Publication
• Source Agency: National Technical Information Service
• Report/Paper Numbers: 147;R72-22
• Contract Numbers: DACW72-68-C-0032
• Files: TRIS
• Created Date: Feb 14 1973 12:00AM