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Guangxi Liuzhou Lianhua Avenue municipal road runs through

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Guangxi Liuzhou Lianhua Avenue municipal road runs through

  • Categories:Company news
  • Author:
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  • Time of issue:2019-11-21 15:53
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(Summary description)Onthe27th,thefirstPPPprojectinLiuzhouCity,GuangxiZhuangAutonomousRegion,theLianhuaAvenueLianhuashanTunnelwasopenedacrosstheentireline,markingthefewmunicipalroadsacrossthecity'sforestparktoachievetheentireline. LianhuaAvenueisthefirstofthetoptenurbanconstructionprojectsinLiuzhouCityduringthe"ThirteenthFive-YearPlan".ItislocatedinLiuzhou,atypicalkarstlandformareaknownasthe"prohibitedareaforconstruction".TheSanmenjiangNationalForestPark,knownas"OxygenBar",hasatotallengthof5370.3metersandatotalinvestmentof1.6billionyuan,including2tunnels,2interchanges,and13bridges.Itisdesignedasatwo-waysix-laneroadwithaspeedof80kilometersperhourItistheprojectwiththelargestinvestmentamount,themostdifficultconstruction,thehighestbridge-tunnelratio,thelargestsafetyrisk,andthemoststringentenvironmentalprotectionrequirementsinLiuzhou. Asacontrolprojectoftheproject,theLianhuaMountainTunnel,withatotallengthof1885meters,isthelongestmunicipaltunnelinLiuzhou'shistory.Thetunnelisburieddeep,thesurroundingrocksarecomplex,undergroundcavesaredeveloped,andkarstdangersfrequentlyoccurduringconstruction.Differenttypesofkarstgeologyhaveoccurredmorethan60times.Onaverage,karstdangersandsurpriserescuesoccurevery60meters.Suchdensekarstsandoperationdifficultieshavebeendescribedbyconstructionworkersas"walkinginthedevilzone"and"bathinginnaturalsaunas."Inthehotandhumidandsultryoperation,thedangerousdevil'sclawswillstickoutatanytime,andthedangerof"scratchingtheneck"willappearatanytime. Facingthedanger,theprojectdepartmentseizedthesharpweaponoftechnologicalinnovation.Inordertosafelyandquicklypassthekarstdevelopmentareaonebyone,theychangedthedrillpipepipeshedtoarotatingpipeshedconstruction,andatthesametimemadetheirownmultifunctionalexcavationtrolley.Adjusttheheightbyhydraulicpressuretoshortenthesafetydistancefromtheliningtothepalmfaceandcontroltheinitialsettlementcausedbytheinstabilityofthekarstfilling;Transversetunneltunneltoincreaseworkingsurfaceandspeedupconstructionprogress.Atthesametime,theconstructionteamfastenedthecycleoperation,theprocessconnectionandotherlinkstoraceagainsttime.Moreover,theapplicationoftheBIMtechnologypromotedbytheprojectintheanti-collisionofmechanicalandelectricalpipelinesinthetunnelwonthethirdprizeoftheGuangxiConstructionEngineeringCup.Thekeytechnologyresearchonthefull-efficiencyconstructionofthelargesectioninthedeep-developedareasummarizedduringtheconstructionwassuccessfullyappliedfortheautonomousregionscienceandtechnologyaward. Atpresent,theLotusAvenueisadvancinginanorderlymanneraccordingtothelandscapeengineeringstandardsof“addinggreentothecity,allowingthe“greenlung”tobeevergreenandblendingwiththeforest”.Control,letthetopofthetunnelshowabrightstarryskyandblueskyandwhiteclouds. AftertheLotusAvenueprojectisopenedandoperated,itwillbecomeafasttrackconnectingLiudongHedongDistrictandLiudongNewDistrict,allowingcitizenstotravelwithblueskyandwhiteclouds,andgreenwaterandgreenmountains,enjoyingthenaturalbeautyofthesoutherncountry.Bythattime,theincreasingtrafficpressureonGuiliuRoadandSanmenjiangBridgewillbegreatlyrelieved,andthetimeforcitizenstotravelfromtheeasternareatotheLiudongNewAreawillbeshortenedfrommorethananhourtoabout10minutesbycar.(GuangmingRongjireporterQianQiancorrespondentZhuGuocai)

Guangxi Liuzhou Lianhua Avenue municipal road runs through

(Summary description)Onthe27th,thefirstPPPprojectinLiuzhouCity,GuangxiZhuangAutonomousRegion,theLianhuaAvenueLianhuashanTunnelwasopenedacrosstheentireline,markingthefewmunicipalroadsacrossthecity'sforestparktoachievetheentireline. LianhuaAvenueisthefirstofthetoptenurbanconstructionprojectsinLiuzhouCityduringthe"ThirteenthFive-YearPlan".ItislocatedinLiuzhou,atypicalkarstlandformareaknownasthe"prohibitedareaforconstruction".TheSanmenjiangNationalForestPark,knownas"OxygenBar",hasatotallengthof5370.3metersandatotalinvestmentof1.6billionyuan,including2tunnels,2interchanges,and13bridges.Itisdesignedasatwo-waysix-laneroadwithaspeedof80kilometersperhourItistheprojectwiththelargestinvestmentamount,themostdifficultconstruction,thehighestbridge-tunnelratio,thelargestsafetyrisk,andthemoststringentenvironmentalprotectionrequirementsinLiuzhou. Asacontrolprojectoftheproject,theLianhuaMountainTunnel,withatotallengthof1885meters,isthelongestmunicipaltunnelinLiuzhou'shistory.Thetunnelisburieddeep,thesurroundingrocksarecomplex,undergroundcavesaredeveloped,andkarstdangersfrequentlyoccurduringconstruction.Differenttypesofkarstgeologyhaveoccurredmorethan60times.Onaverage,karstdangersandsurpriserescuesoccurevery60meters.Suchdensekarstsandoperationdifficultieshavebeendescribedbyconstructionworkersas"walkinginthedevilzone"and"bathinginnaturalsaunas."Inthehotandhumidandsultryoperation,thedangerousdevil'sclawswillstickoutatanytime,andthedangerof"scratchingtheneck"willappearatanytime. Facingthedanger,theprojectdepartmentseizedthesharpweaponoftechnologicalinnovation.Inordertosafelyandquicklypassthekarstdevelopmentareaonebyone,theychangedthedrillpipepipeshedtoarotatingpipeshedconstruction,andatthesametimemadetheirownmultifunctionalexcavationtrolley.Adjusttheheightbyhydraulicpressuretoshortenthesafetydistancefromtheliningtothepalmfaceandcontroltheinitialsettlementcausedbytheinstabilityofthekarstfilling;Transversetunneltunneltoincreaseworkingsurfaceandspeedupconstructionprogress.Atthesametime,theconstructionteamfastenedthecycleoperation,theprocessconnectionandotherlinkstoraceagainsttime.Moreover,theapplicationoftheBIMtechnologypromotedbytheprojectintheanti-collisionofmechanicalandelectricalpipelinesinthetunnelwonthethirdprizeoftheGuangxiConstructionEngineeringCup.Thekeytechnologyresearchonthefull-efficiencyconstructionofthelargesectioninthedeep-developedareasummarizedduringtheconstructionwassuccessfullyappliedfortheautonomousregionscienceandtechnologyaward. Atpresent,theLotusAvenueisadvancinginanorderlymanneraccordingtothelandscapeengineeringstandardsof“addinggreentothecity,allowingthe“greenlung”tobeevergreenandblendingwiththeforest”.Control,letthetopofthetunnelshowabrightstarryskyandblueskyandwhiteclouds. AftertheLotusAvenueprojectisopenedandoperated,itwillbecomeafasttrackconnectingLiudongHedongDistrictandLiudongNewDistrict,allowingcitizenstotravelwithblueskyandwhiteclouds,andgreenwaterandgreenmountains,enjoyingthenaturalbeautyofthesoutherncountry.Bythattime,theincreasingtrafficpressureonGuiliuRoadandSanmenjiangBridgewillbegreatlyrelieved,andthetimeforcitizenstotravelfromtheeasternareatotheLiudongNewAreawillbeshortenedfrommorethananhourtoabout10minutesbycar.(GuangmingRongjireporterQianQiancorrespondentZhuGuocai)

  • Categories:Company news
  • Author:
  • Origin:
  • Time of issue:2019-11-21 15:53
  • Views:
Information

On the 27th, the first PPP project in Liuzhou City, Guangxi Zhuang Autonomous Region, the Lianhua Avenue Lianhuashan Tunnel was opened across the entire line, marking the few municipal roads across the city's forest park to achieve the entire line.

 

Lianhua Avenue is the first of the top ten urban construction projects in Liuzhou City during the "Thirteenth Five-Year Plan". It is located in Liuzhou, a typical karst landform area known as the "prohibited area for construction". The Sanmenjiang National Forest Park, known as "Oxygen Bar", has a total length of 5370.3 meters and a total investment of 1.6 billion yuan, including 2 tunnels, 2 interchanges, and 13 bridges. It is designed as a two-way six-lane road with a speed of 80 kilometers per hour It is the project with the largest investment amount, the most difficult construction, the highest bridge-tunnel ratio, the largest safety risk, and the most stringent environmental protection requirements in Liuzhou.

 

As a control project of the project, the Lianhua Mountain Tunnel, with a total length of 1885 meters, is the longest municipal tunnel in Liuzhou's history. The tunnel is buried deep, the surrounding rocks are complex, underground caves are developed, and karst dangers frequently occur during construction. Different types of karst geology have occurred more than 60 times. On average, karst dangers and surprise rescues occur every 60 meters. Such dense karsts and operation difficulties have been described by construction workers as "walking in the devil zone" and "bathing in natural saunas." In the hot and humid and sultry operation, the dangerous devil's claws will stick out at any time, and the danger of "scratching the neck" will appear at any time.

 

Facing the danger, the project department seized the sharp weapon of technological innovation. In order to safely and quickly pass the karst development area one by one, they changed the drill pipe pipe shed to a rotating pipe shed construction, and at the same time made their own multifunctional excavation trolley. Adjust the height by hydraulic pressure to shorten the safety distance from the lining to the palm face and control the initial settlement caused by the instability of the karst filling; Transverse tunnel tunnel to increase working surface and speed up construction progress. At the same time, the construction team fastened the cycle operation, the process connection and other links to race against time. Moreover, the application of the BIM technology promoted by the project in the anti-collision of mechanical and electrical pipelines in the tunnel won the third prize of the Guangxi Construction Engineering Cup. The key technology research on the full-efficiency construction of the large section in the deep-developed area summarized during the construction was successfully applied for the autonomous region science and technology award .

 

At present, the Lotus Avenue is advancing in an orderly manner according to the landscape engineering standards of “adding green to the city, allowing the“ green lung ”to be evergreen and blending with the forest”. Control, let the top of the tunnel show a bright starry sky and blue sky and white clouds.

 

After the Lotus Avenue project is opened and operated, it will become a fast track connecting Liudong Hedong District and Liudong New District, allowing citizens to travel with blue sky and white clouds, and green water and green mountains, enjoying the natural beauty of the southern country. By that time, the increasing traffic pressure on Guiliu Road and Sanmenjiang Bridge will be greatly relieved, and the time for citizens to travel from the eastern area to the Liudong New Area will be shortened from more than an hour to about 10 minutes by car. (Guangming Rongji reporter Qian Qian correspondent Zhu Guocai)

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