1 files changed, 29 insertions, 0 deletions
diff --git a/278/CH12/EX12.5/ex_12_6.sce b/278/CH12/EX12.5/ex_12_6.sce
new file mode 100755
index 000000000..971065b53
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+++ b/278/CH12/EX12.5/ex_12_6.sce
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+//design cottered foundation bolts
+clc
+//solution
+//given
+P=50*10^3//N
+ft=80//N/mm^2
+t=50//N/mm^2
+fc=100//N/mm^2
+pi=3.14
+//P=(pi/4)*d^2*ft=62.84*d^2
+//d=sqrt(P/62.84)//mm
+printf("the diameter of bolt is,%f mm\n",sqrt(P/62.84))
+printf("the diameter of bolt is,say 30mm\n")
+d=30//mm
+//let d1 be dia of enlarged end of bolt
+//t1 be thickness of cotter
+//t1=d1/4
+//P=[((pi/4)*d1^2)-(d1*t1)]*ft
+//P=42.84*d1^2
+//d1=sqrt(P/42.84)//mm
+printf("the dia of enlarged end of bolt is,%f mm\n ",sqrt(P/42.84))
+printf("the dia of enlarged end of bolt is,say 36mm\n")
+d1=36//mm
+t1=d1/4//mm
+printf("the thickness is,%f mm\n",t1)
+//let b width of cotter
+//P=2*b*t1*t==900*b
+b=P/(900)//mm
+printf("the width of cotter is,%f mm\n",b)
+\ No newline at end of file