爆破振动对建筑物影响的研究

SerialNo.419May.2004EXPRESSINFORMATIONOFMININGINDUSTRY419200455,(1957-),,,014010():,,,,:;;:TD23511:A:100925683(2004)0520020202ResearchEffectofBlastingVibrationonBuildingsMaJianxingLiuQinYanChunjun(ArchitectureandCivilEngineeringSchool,USTIM)Abstract:Basedonthetransmissioncharacteristicsofblastingearthquakewaves,thedif2ferencesbetweenblastingvibrationandearthquake,observationprincipleofbuildingsvibra2tionandstudyofspectrumanalysis,someopinionsareputforward,whichhavecertainmeen2ingforresearchersinthisfield.Keywords:Blastingvibration;Earthquake;Spectrumanalysis1,,,,,,;,,,,,:vp=(n+4Lö3)öQ;vs=LöQ,(1),nLQ:k=vpövs,k=(2-2R)ö(1-2R),(2),R,R1,:k12(1),,,(2),:(ApöAs)(ApöAs),(3),Ap;As(3),,,(4),,(5),33.1,,02,,3:,2,;,3,30%40%;,4,30%40%70%80%3.2,3,,,33.3,,,1ö21ö3,244.1tt;t,;t,,t,4.2tt,,tfmax,:t=(2fmax)-1,(4)t344.3(1),,,(2)t,(3),,,,,,(4)55.1(12)125.2(34)34:(1)15Hz,23Hz(2)920Hz,6,,,(29)12:200455:I(1)=0103,I(7)=0103,I(13)=0125,I(16)=011251,:I(13)=I(14)=I(15)I(1)=I(2)=I(3)=I(4)=I(5)=I(6)=I(7)=I(8)=I(9)=I(10)=I(11)=I(12)I(16)=I(17)12.2(1),75%,,144,144,4,(2),x13x14x15,x1x2x3x4x5x6x7x8x9x10x11x12,x16x17(3),,,,,,,,,3,17,144,(1),:,,,:,,(2),:,,,,(3),,,,,,(4),,,,;,;;;,(5),,;,,4,,,,,:[1],.[J].:,20021[2].[M].:,20011[3],.[J].,1997(1)1[4]..,20011(2004203228)(21):[1],.[M].:,19811[2],.[M].,19841[3].[M].:,19831(2003212209)92:200455