海底管線系統(tǒng)偶然性載荷作用下的風(fēng)險評估

1、天津大學(xué)碩士學(xué)位論文海底管線系統(tǒng)偶然性載荷作用下的風(fēng)險評估姓名：汪海成申請學(xué)位級別：碩士專業(yè)：船舶與海洋結(jié)構(gòu)物設(shè)計制造指導(dǎo)教師：郭振邦20031201AbstractInrecentyears，theoceanexploitationdevelopsveryfast，asanimportantmeansoftransportingoceanoilandgas，offshorepipelineissubjectedtoallkindsof

2、risksduetothecomplexoceanenvironmentOneofthemostimportantrisksisbeingimpactedbyobjects，inmostcases，theloadishardtodetermineImpactmayresultinthedamageofpipesandbecauseitisveryhardtocheck、maintain、andoperatetheoffshorepipe

3、linesOnceanaccidenthappens，itisextremelydifficulttorepairThereforeitisverynecessarytocarrythesafeanalysisunderaccidentalloadsAccordingtotheevaluationthoughtsputforwardby“DNV—RP—F107”，thepaperdiscussesthreemainaccidentall

4、oadssuchasfallingobjectwhenaliftisworking、shipimpactingriserandanchorimpactingpipelinesProbabilitytheoryisusedtodealwithhappeningprobabilitiesofhittingaffairs；dentenergyrelationshipandenergybeltmethodareusedtOhandletheim

5、pactenergyRelationshipbetweenimpactingenergyandfailureprobabilitiesandrelationshipbetweenimpactingenergyandbreakagegradearesetuptoconstructtherelationshipbetweenfailureprobabilitiesandbreakagegradewhichisthebaseusedtoeva

6、luatetheriskofimpactingaffairsSuggestingmeasuresaregiventodecreaseallkindsoftheimpactrisl(sAtlastthepaperuseCBuilderandSQLServercomputerlanguagetowriteappliedsoftwareofthecomputeprocedureThesoftwareisverifiedwithanexampl