20061124 Meleti Metaxatou Limani Porto Rafti

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: ..& 12,..15234 .2106839483,4 FAX.2106839485

Email:[email protected] www.hydrema.gr

2006

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7.1.5. 20012005. . 12,68% , 1 7 . Beaufort, 10 11 beaufort, .

(Bf) 1 2 3 4 5 6 7 8 9 10 11 0,333 0,183 0,531 1,151 0,712 0,678 1,130 0,335 1,237 0,755 2,151 5,172 3,421 5,100 7,122 2,644 1,935 0,920 2,333 4,433 2,957 5,734 18,080 5,637 2,584 0,432 1,074 2,602 1,534 7,433 32,204 7,156 1,180 0,162 0,355 1,676 0,932 1,860 11,864 3,127 0,475 0,059 0,144 0,956 0,566 0,301 2,840 1,192 0,100 0,011 0,086 0,578 0,258 0,022 0,247 0,204 0,022 0,059 0,319 0,103 0,011 0,075 0,065 0,012 0,075 0,022 0,033 0,011

20012005. 12

. , , (fetch) SAVILLE Shore Protection Manual (1977) Coastal Engineering Research Center. . , . fetch : f(km) 3,80 4,50

. . . , 10 BEAUFORTS . ,

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23.94/3.80=6.30.. 4,8km.

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5 10 BEAUFORTS . , () . 510BEAUFORTS. V=.=(19 +25+30+37+44+52)/6=36.3 (=18.6m/sec) () (=4,8km2,6..)

BRETSCHNEIDER DESIGN AND

CONSTRUCTIONOFPORTSANDMARINESTRUCTURESALONZODEF. QUINN.

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V=18.6M/S

F=2.6N.M.x1852=4.800m

g=9.81m/s g.F/v=9.81x4.800/18.6=136.11 g.s/v=0.025g./2=0.30 s=0,025x18,6/9,81=0,88m s=0.30x2x3.14x18.6/9.81=3.57sec

SBM SHORE PROTECTION MANUAL VOL.I U.S. ARMY COASTAL ENGINEERING RESEARCH CENTER ( ) 36kts2,6 s=2ft=0.64M.

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