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1、No.34No.34StandardWaveData(1992)(Rev.1June1.Thisrecommendationisvalidforshipscarryinggoodsatsea,excludingvessels2000)(Corr.thatoperateatafixedlocation(forexampleFPSOs),specificallyaimingatshipsNov.ascoveredbyURS11,andfocusingonextremewaveloads.2001)2.Wavedataasdescribedbythescatt
2、erdiagramgiveninTABLE1,describethewavedataoftheNorthAtlanticasdefinedinFIGURE1,coveringareas8,9,15and16,asdefinedinGlobalWaveStatistics/1/withchangesaccordingto/2/.3.Whencalculatingdesignwavebendingmoments,itisrecommendedtouseareturnperiodofatleast20years,correspondingtoabout10-8
3、probabilityofexceedancepercycle.4.Whencalculatingthepressureheadfromgreenseasonhorizontaldeckplatesandhatchcovers,therelativemotionintheundisturbedwaveatthecentrelinefortheconsideredarea,atareturnperiodof20years,canbeappliedasafirstapproximation.5.Combinationofloadsshouldbeperfor
4、med,preferablyusingsimultaneousvalues,toensureapplicationofthedesignloadsataconsistentprobabilitylevel.Figure1DefinitionoftheextentoftheNorthAtlantic34-1IACSRec.2000No.34No.34cont’d1.30.70.30.10.00.081.8..86230.07449.54860.42066.0644.5160.233.76.31.10.20.00.0238101.52.53.54.55.56
5、.57.58.59.510.511.512.513.514.515.516.5Table1,Probabilityofsea-statesintheNorthAtlanticdescribedasoccurrenceper100000observations.DerivedfromBMT’sGlobalWaveStatisticsTheHsandTzvaluesareclassmidpoints.0.51.52.50.03.50.04.50.00.05.50.00.06.50.00.07.51.30.00.08.50.00.09.5133.70.00.0
6、0.029.3865.60.00.00.02.20.0986.00.01186.00.20.00.0197.54976.00.0634.20.00.034.90.021587738.00.00.0186.36.05569.70.0695.50.01.00.0196.12375.73226.536.90.20.051.01354.35675.0703.50.012.65.63288.5498.45099.1160.73.00.0167.02838.03857.51602.90.70.72685.530.552.1690.31114.12372.70.215
7、.41275.22008.30.11257.9270.1337.75.11268.61126.097.94.3455.1594.484.30.0825.9463.60.8130.9255.9703.233.218.2350.60.0150.9386.8524.931.90.1101.9140.8296.93.541.00.0276.7159.96.90.0174.642.2111.7152.20.610.511.512.50.013.50.014.50.015.50.00.016.50.00.00.00.00.00.00.00.00.00.00.00.0
8、0.00.00.00.00.00.00.00.00.00.00.00.00.00