20061124 meleti metaxatou limani porto rafti
TRANSCRIPT
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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
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. , , (fetch) SAVILLE Shore Protection Manual (1977) Coastal Engineering Research Center. . , . fetch : f(km) 3,80 4,50
. . . , 10 BEAUFORTS . ,
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, SAVILLE. : ) , , 45 +45.
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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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