财神梁特长高速公路隧道综合施工技术

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1、年级三雯雯土级姓名扬迸申请学位级别工程亟±专业建篁皇±本王猩指导老师衄刖塾攫!直蔓勇直王二零一零年十月十日公开西南交通大学硕士研究生学位论文第1I页施工组织技术。通过上述系列综合施工技术的应用，尤其是采用GPS定位测量技术，TSP超前地质预报技术和围岩监控量测技术，利用左右隧道间的车行横洞局部增加射流风机，采用巷道式通风的方案，保证了隧道施工安全、质量和进度，提高了通风效率，较好的解决了施工中通风问题，保护了施工作业人员的身体健康，又降低了劳动强度和工程成本，为类似隧道工程提供了较为成熟的施工经验，为长大公路隧道工程施工提供了借鉴经验，具有一定的推广前景。关键词：特长公路隧道；施工技术；GPS

2、定位测量；TSP超前地质预报；巷道式通风Yichang．TheconstructionofthetunnelbeganonMay8th，2006andendedonOctober31st，2008，lasting30months．Intheprocessoftheconstruction，theapplicationofGPSsolvedthetoughproblemssuchaslayingtheregulargeodeticchaininmountainareasofextremelycomplicatedphysiognomyandtopography．Moreover，TSPperfo

3、rmedtheworkoftheadvancedpredictionoflong-termandlong—distancegeology,providedthedynamicinformationoftheworkingfacerockmass，whichwasappliedtoguidingtheconstructionandpreventedthegeologicaldisasters．Therewerenosilosandaccessorylanewaysinthetunnel，ventilationseemedimpossiblein2，500．meterconstructionofc

4、utmethod，SOtwoforcedventilatingfacilitieswhichwere2x1Okwwereusedin1，500一meterplace．Andmakinguseofthevehiclesandpeopleaditlevelsbetweenleftandrighttunnelstoaddjetflowblowersandset3watercurtainswith30，50and80meterstotheworkingfacerespectively．Thewater-curtainmachineswereinstalledonthehalfcuttingface．O

5、newater-curtainmachinewasinstalledoneachsideofthewatercurtains．Theywereturnedon5minaheadofexplosionandturnedoff30minafteritinordertospeedupthesettlingofharmfulkernellikedustandincreasetheventilatingefficiency．Thus，thehealthofworkerscouldbeguaranteedandtheconstructingefficiencyandprofitscouldberaised

6、．Twobig—fractionlinersweredesignedinthetunnelandbywideningthejackhorseandchangingunderformworks，itnotonlyguaranteedtheconstructionquality,acceleratetheprocess，butalsocutdownontheexpenditure．TheTunnelcut2，500．meterlong，three-phase-fivewiresystemwith10kVwasappliedtotheconstructionandatransformerwasins

7、talledinthe1，500一meterplace．Therefore，thetremendousdroppingofvoltagecausedbylong—distancetransportingofelectricityintothetunnelhasbeenavoided．Basedontheprevioustechnologies，especiallyGPS，TSP,addingjet