D. Donald Davidson

Claude E. Chatham

Robert Warren Whalin

Hydraulic Model Investigation

Study of Beach Widening by the Perched Beach Concept, Santa Monica Bay, California

R. Clay Baumgartner

Robert D. Carver

An undistorted scale hydraulic model study was conducted to develop an adequate repair plan for a section of the Crescent City breakwater which as armored with dolosse. The damaged area was to be repaired with 42-ton dolos. It was desired to quantify the number of armor units required, the optimum slope on which to place the dolosse, overall constructability, and methods of stabilizing the transition areas. Based on results of model tests, a combination of trenching and buttressing with 25-ton armor stone is a constructable method of stabilizing the transition area.

D. Donald Davidson

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