阿扎河隧道水壓光面爆破優(yōu)化設(shè)計(jì)研究

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中圖分類號(hào)：U455.6 文獻(xiàn)標(biāo)志碼：A 文章編號(hào)：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

隨著西部大開發(fā)的建設(shè)，云南高速公路建設(shè)進(jìn)入大發(fā)展時(shí)期，但由于云南地形較為復(fù)雜，需要修建大量隧道已達(dá)成通車的目的。（剩余6049字）