防波堤箱筒型基础结构气浮拖运与负压下沉工艺

,,(,300456):,,:,,,,:;;:U656124:A:100323688(2005)0520040204TechnologyforTowingofPneumaticallyFloatedCylindricalSubstructuresandInstallingwithNegativePressureforBreakwatersZHUYe2hao,NIGuo2ping,WUFeng2liang(No11Eng1Co1ofCHEC2TianjinPortConst1Corp1,Tianjin300456,China)Abstract:BasedonthepilotworksforthebreakwatersbuiltoncylindricalsteelstructuresforTianjinPort,thepaperpresentsanintroductiontoanewstructureofbreakwatersbuiltoncylindricalstructuresandanewtechnologyfortowingpneumaticallyfloatedcylindricalstructuresandinstallingthecylindricalstructureswithnegativepressure1Theengineeringpracticeprovedthatthenewtechnology,whichisthefirstthathasbeeneverdevelopedinChina,issafeandreliable,lowinenergyconsumptionandeasytooperate,thusapplicabletobreakwaters,leveesandrevetmentsbuiltonmuckysoils1Keywords:cylindricalinfrastructure;towingwithpneumaticfloating;installingwithnegativepressure1,,,,,,,200310,200452211,1:2005203203:(1944-),,,-212-216m(,),+513m,71m,10m111m2,,(),()22m,2315m22m,1m4,,()41015m,0125m,810m,C30F3004,()42005105139ChinaHarbourEngineeringOct1,2005Total139,No15©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:,115m510m7m,,50cm331420055,:©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(1),,,,810m,,,,(2),,(3),,,331144312(1),3:,,,,3000t,,,,,(2),,,,313,(),;(),,,115516km,-310-510m:,,,:,,11(m)(m)(m)(m)(m)(m)31701011334150192131,,,1133,,50(720kW),,410m,110m,0103MPaF=ACwV2ö2g(A,Cw,V),7080m,Á60mmÁ80mm,Á36mm,,310m2420055©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(1),,+210m,,,419m,010255MPa,(2),(),,0103MPa,100QWB652152715(3),,,,,(4),,,,10cm,,,,,,315317414m,0103MPa,015m,2kn,,,,34,115m,011m,,,,,,,,,,,4155135m,,,,,30cm,5m,,,,,,,5cm224h,24h2315m,21(min)4858902(m)510551354154184163(m)1+1112+1103+0181+1172+1153+11413+11743h(8)2h16min(8)5h55min(4)6h20min(4)5(m)118211001611001753156(m)71157125712571358117(m)1-1102-1103-1101-11052-11053-111013-1188(mm)1678810100304(1),,(2),212218,,(3),,(),(4),(5),3420055,:©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.