Sc 15

//Rule of thumb
x=input("Choose value for calculate Burden in 25 to 40 is ...");
D=input("Enter your Diameter(m)...");
B=x*D
printf("\n Burden=%f m",B)
S=1.15*B
printf("\n Spacing=%f m",S)
St=20*D
printf("\n Stemming=%f m",St)
y=input("Choose value for calculate Subdrill in 3 to 15 is ...");
Sj=y*D
printf("\n Subdrill=%f m",Sj)
BH=(D/1000)/15
printf("\n Bench height=%f m",BH)
C=20*D
printf("\n Charge length=%f m",C)
Br=BH/B
if(Br>=2),(Br<=3.5)
    printf("\n Burden stiffness ratio is good fragmentattion")
else(Br>3.5)
     printf("\n Burden stiffness ratio is very good fragmentation")
     end
Ss1=D/10
Ss2=D/20
printf("\n Stemming material size is %f m to %f m",Ss1,Ss2)
//blasting design

N=input("Enter Number of holes in blast...");
V=B*S*BH*N
printf("\n Blast volume=%f m)^3",V)
Dr=input("Density of rock (t/m^3)...");
T=V*Dr
printf("\n Blasted tonnes=%f ",T)
pi=3.1416
N=input("Hole length is(m)...");
L=BH+Sj
Vb=pi*((D^2)/4000)*L
printf("\n Volume of blasthole=%f ",Vb)
Vc=input("Volume of hoe length charged is...");
Ed=input("Explosive density is...");
Mh=Vc*Ed
printf("\n Mass of blasthole=%f ",Mh)
PF=T
printf("\n PF=%f (kg/m^3)",PF)
AWSE=input("Absolute weight strength=");
AWSA=input("Absolute weight ANFO=");
RWS=AWSE/AWSA*100
printf("\n RWS=%f",RWS)
Ef=PF*RWS
printf("\n Energr factor=%f",Ef)