Accession Number:

AD0733845

Title:

Twin-Log Floating Breakwater, Small-Boat Basin No. 2, Juneau, Alaska. Hydraulic Model Investigation,

Descriptive Note:

Corporate Author:

ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MISS

Personal Author(s):

Report Date:

1964-05-01

Pagination or Media Count:

30.0

Abstract:

Tests were conducted on 16-scale models of twin-log floating breakwaters to determine the feasibility of using this type of structure to protect Small-Boat Basin No. 2, Juneau, Alaska, from wave action. Specifically, it was desired to determine the most economical floating-log breakwater that would reduce a 2-ft wave to about 0.5 ft in the mooring area. Test variables included a log diameters of 3 and 4 ft b center-to-center log spacings of 4.0, 5.7, 8.2 ft c water depths of 10 and 20 ft, which corresponded to low- and high-tide conditions, respectively d wave periods of 1.7, 2.0, 2.5 sec e wave heights of 0.9, 2.0, 2.5, and 2.6 ft f angles of wave attack of 45 and 90 deg and g vertical barrier plates attached to 1 the channelside face of the channelside log, 2 the harborside face of the harborside log, and 3 both channelside face of channelside log and harborside face of harborside log. Author

Subject Categories:

  • Civil Engineering

Distribution Statement:

APPROVED FOR PUBLIC RELEASE