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<br />562 <br />• <br />SURFACE MINING <br />LLY 7•,ly Me Deepe• .'~'~ <br />_Te YM» WIle <br />1} J I <br />1`~~J,o~i , <br />lln•M•I (lewn•e1 a4'I _ 3 I <br />IDO~ i 1i y13~ <br />i Sd is <br />kloooo~ !~ ~~hl"~ f <br />'O• ~ ~8 $ <br />-- <br />fi G ~~~oao- ~ fie'-a I <br />;n~y'~• ~ + ___ __ ;~q <br />I ~ r I~t <br />t IDOL j ~ <br />u F <br />alb- i <br />`e / <br />~ r 10 <br />` De•n Pil <br />e110 Strip 111n• <br />upe•. unla ~M• <br />'a E <br />~ I.oi- <br />.oo~ <br />.OI~ <br />r 1 <br />,o w o~ <br />So•ae Dia»r:•,D/Ia~rMltp/ryrlee)'~ <br />. ....iO ~ _ CO . ... OO0 IOOOa <br />Scel•e Di•gne•, D/M~hAIM/v»ioe 1~ <br />ity 40. Slructurcl rntgnsa at dilNrarlt scaled dbdnas from <br />pet blasts. <br />(m m/sre ) <br />(ins/sec) <br /> <br /> <br /> 100 <br /> <br />o Intolerable <br />I.0 <br />d <br />Y to <br />at° Unpleosnnt <br /> ~ <br />s <br />~° 0'1 Noticeable <br />Frequency, cycles/sec <br />FI4 41. ResponM o1 tM human body to tnaehanipl rlbratlon <br />(Goldman, 1948). <br />(lnvecl Inlm/rep <br />to <br />a <br />i <br />O <br />4 <br />i <br />~h <br />fl` 47t. Mtlelpated human resprnlua to blast ribrctions at dlh <br />taram sealed dls4rtcn trcm plt bbsts. <br /> Y4Y YawM• tlwW~ nw <br /> Gig ~•iY •a DKi4tl\ AMK A.M <br /> I•al IM.1 <br /> .w of ~ r IeD ] -~~' <br /> <br />/rrry Y••,1•• tl1nY Glw <br />1 ,.lelQ I <br />G <br />tl <br />1~„ <br /> . IeO w <br />••. <br />a•la~ <br /> r•••sn <br />lo <br />e <br />~ <br /> ~,°Ilwwwea i'~r~ Iq j.,.e <br />/,~p uwl <br />a.ldt~n•p <br /> om u.l•o•e er ~l•W •.K <br /> <br />Ito <br />LI~•tb•YtlMO1M i <br /> -O»r.awr.a ; <br /> ur <br /> s•p» ~ly,ntlp .e. ao s.Itr' n: ri n, i <br /> ~ <br />r,~..a.t.e.xe~, <br /> GOOtN.n lm• b LW~•ar••Onb ~ <br /> 11.» <br /> •4 7.10`•-tlrntll6M•N <br /> .«~~. OIIIY <br /> •e I.IN-WK~wmr <br /> aO f.IPl M4yr <br /> 0 i pnnW O1 <br />a.1O•~- <br /> N <br />F73. 43. Human and structurcr response to sound prcssura lelre6 <br />