阿扎河隧道水压光面爆破优化设计研究

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中图分类号：U455.6 文献标志码：A 文章编号：2095-2945（2025）13-0122-07

Abstract：Ordinarysmoothblastingtechnologyintunnelconstructionispronetoproblemssuchasover-excavation，under excavation，andighdust，whichisespeciallprominentinterainswithweakinterlayers.Inordertosoletheaboveproblems， relyingontheblastingconstructionoftheAzaheTunnelastheengineringbackground，therocklithologyisdividedintothree categoriesaccordingtotheockfimnesscoeficientbasedonthephysicalperformanceindicatorsoftheon-siterocks（5＼～010＼～ 15，15＼～20）Forrockswithdiferentstrengths，theoreticalbasicanalysisandnumericalsimulationwereusedtofindareasoable waterpressuresmothblastingplanandfieldexperimentalverificationwascariedout.Thefollowingconclusionsweredran：f thechargequantityremainsunchanged，theincreaseinthenumberofchargeswillimprovetheblastingefect;ifthenumberof chargesemainsunchanged，theincreaseinchargewillexpandthedamagerange；astherockfimnesscoeficientincreases，the rock strength becomes larger， and the charge quantity and charge quantity need to be increased.

Keywords： tunnel construction; numerical simulation； blasting damage; field test;blasting parameters

随着西部大开发的建设，云南高速公路建设进入大发展时期，但由于云南地形较为复杂，需要修建大量隧道已达成通车的目的。（剩余6049字）