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全套管钻孔咬合桩在临近地铁基坑工程中的应用.docx

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全套管钻孔咬合桩在临近地铁基坑工程中的应用 Title:ApplicationofFullRotationalDrillingandInterlockingPileSysteminNearSubwayFoundationPitProjects Abstract: Thispaperaimstoexploretheapplicationoffullrotationaldrillingandinterlockingpilesysteminnearsubwayfoundationpitprojects.Thestudydiscussestheadvantages,challenges,andsolutionsassociatedwiththeapplicationofthistechnique.Byanalyzingthecasestudies,itisevidentthatthefullrotationaldrillingandinterlockingpilesystemisanefficientandeffectivemethodforconstructionincloseproximitytosubwaylines. 1.Introduction Theincreasingproliferationofsubwaysystemsinurbanareashasposedchallengesforconstructionprojectsnearsubwaylines.Theconstructionoffoundationpitsintheseareasdemandsadvancedtechniquestomitigatepotentialrisksandensurethesafetyofboththeconstructionworkersandtheexistingsubwayinfrastructure.Thefullrotationaldrillingandinterlockingpilesystemhasemergedasaviablesolutionforsuchscenarios. 2.OverviewofFullRotationalDrillingandInterlockingPileSystem Thefullrotationaldrillingandinterlockingpilesysteminvolvestheuseofaspeciallydesigneddrillbitandpileconnectionsystem.Thedrillbitrotates360degrees,creatingasmoothanduniformborehole.Theinterlockingpilesystemensuresstabilityandload-bearingcapacityofthedrilledholesbyconnectingthemtogether,formingacontinuouswall. 3.AdvantagesoftheFullRotationalDrillingandInterlockingPileSystem a)MinimizedVibrations:Thefullrotationaldrillingtechniqueproducesreducedvibrationscomparedtotraditionaldrillingmethods,minimizingthepotentialimpactonthesurroundingstructures,particularlythesubwayinfrastructure. b)ReducedNoiseLevels:Thedrillingprocessisrelativelylessnoisy,allowingforconstructionworkinareaswithnoiserestrictions,suchasnearresidentialbuildingsorhospitals. c)TimeandCost-Efficient:Thefullrotationaldrillingandinterlockingpilesystemincreasesconstructionefficiency,reducingthetimerequiredforpileinstallationandoverallprojectduration. d)Versatility:Thesystemcanbeusedinawiderangeofsoilconditionsandgeologicalcircumstances,makingitsuitableforvario