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McAtee Construction Co. Bank Armoring Plant (cont) <br /> Riverside Pit Safety Factior Calculations <br /> M-1976-056 7/19/2022 <br /> vo.s H tu rf 0 n fora 0 tv" H H = face,lope ofpitside hank,in de�•ces to the 1wrizia?.ta] <br /> 0 = angle of relx�.e of pitside bank cc,nstructicur matetials in degrees <br /> 21 rs <br /> rr = ,r = .tahilitN fac2car <br /> ss—r)r flso <br /> .S; specific =rax itti of tiprap particles <br /> T$ = yRS = specific�%eight of rtater=614 ll s tk <br /> SF = Safetv factor <br /> D;; = tnedian riprap particle size.in feet <br /> R = htidraulic radius at normal depth of th%x� dotty it Isitside slope.in reef <br /> r., = Tractive forcc <br /> S = face slope cf pitside hank,in feet per tik,t <br /> Ts=yRS <br /> y= 62.4 <br /> R= 2 T, _ yR.S 77 = t�s—r�l"I�sua .�� rl h7as t + <br /> S= 0.01 <br /> 'ts 1.248 <br /> n= 21Ts <br /> (Ss-1)YOso <br /> Ts= 1.248 <br /> Ss= 2.4 <br /> Aso= 1 <br /> n= 26.208 <br /> 87.36 <br /> n = 0.3 <br /> SF= cos6 tano <br /> n tano+ sin6 <br /> n= 0.3 <br /> cos6= 0.9487 <br /> tanO= 0.7002 <br /> sin6= 0.3161 <br /> SF= 0.66427974 <br /> 0.52616 <br /> SF= 1.262505 <br /> 6= 18.43 <br /> 0= 35 <br /> cos6= 0.9487 <br /> tanO= 0.7002 <br /> sin6= 0.3161 <br />