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ID:36456905
大小:2.40 MB
页数:101页
时间:2019-05-10
《大型钢吊箱围堰整体浮运锚墩定位施工技术研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、西南交通大学硕士学位论文大型钢吊箱围堰整体浮运锚墩定位施工技术研究姓名:刘杰文申请学位级别:硕士专业:桥梁及隧道工程指导教师:李亚东20061001西南交通大学硕士研究生学位论文第lI页AbstractThemostcommondifficultiesduringtheconstructionofdeep-waterfoundationsforbridgesarewater-proofing,soil··proofing,anti—scouringandlandslideete.Thepurposetoconstru
2、ctacofferdamistopreventthewaterandsoiloutsidethecofferdamfromrushingintothecofferdamduringcofferdamconstructionandfoundationconstruction.nlecofferdamshallbedismantledafterthefoundation,abutmentandpierbeingconstructedabovethewaterlevelinordernottoblockthewaterwa
3、yandthestream.Double.wallsteelCOfferdamisoneofwidelyusedwaterproofingcofferdamfortheconstructionofbridgedeepfoundation.Withthedevelopmentofconstxuetiontechnologiesandmechanicalst九lcturesaboutdeep-waterfoundation,large-scalesuspendedsteelcofferdamhasbeingapplied
4、widelyforconstructionofhigh·rise-cappilefoundation.Manufacturingthelarge-scalesuspendedsteelcofferdaminthefactoryandlocatingthecofferdamthroughfloating-transportiontothepiel"positionisoneofdevelopmentdirectionsofthede印·waterfoundationconstructionformodemlongspa
5、nbridges.ThistechniqueCanincreasethemanufacturingaccuracyofthelarge·scalesuspendedsteelcofferdamanddecreasetheassemblingworkinsitu.Thewholemanufacturedandfloat-transportedlarge-scalesuspendedsteelcofferdamintegratesvariousfunctionstogether,suchaSbeingaconstruct
6、ionplatformfordrillingholesforpiles,anorientedstructurefordrivingofsteelcasingtubes,awater-blockingcofferdamforconstructionofpilecapsandpiershaftetc.Itcanconsumedlyshortenthetransitiontimebetweentheendingofpiledrillingconstructionandthebeginningofpilecapsconstr
7、uction,andSOshortenthewholefoundationconstructionperiod.However,thestructuralsizeofthistypeofcofferdamishugewhenitWaSwhollymanufacturedtotheshape,alsoithasspecialrequirementsforanchor-piersystemandthelocationprecigionofcofferdametc.,thusbringingaseriesofdifficu
8、ltiesincofferdam’Sfloating—transportation,draggingandlocating.西南交通大学硕士研究生学位论文第1II页Inthisthesis.takingthedeep.waterfoundationofNo.2pieroftheWuHaIlTianxingzhourail-cum-roadYan
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