diff options
Diffstat (limited to '3683/CH15/EX15.7/Ex15_7.sce')
-rw-r--r-- | 3683/CH15/EX15.7/Ex15_7.sce | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/3683/CH15/EX15.7/Ex15_7.sce b/3683/CH15/EX15.7/Ex15_7.sce new file mode 100644 index 000000000..686e51616 --- /dev/null +++ b/3683/CH15/EX15.7/Ex15_7.sce @@ -0,0 +1,17 @@ +b=200//width, in mm
+d=200//effective depth, in mm
+Mu=32//in kN-m
+top_cover=30//in mm
+fck=20//in MPa
+fy=500//in MPa
+Xc=0.456*d//in mm
+Mulim=0.133*fck*b*d^2/10^6//in kN-m
+Ast1=round(0.36*fck*b*Xc/0.87/fy)//in sq mm
+M1=Mu-Mulim//in kN-m
+fcc=0.446*fck//in MPa
+//for d'/d=30/200=0.15 and Fe500 grade steel,
+fsc=395//in MPa
+Asc=round(M1*10^6/(fsc-fcc)/(d-top_cover))//in sq mm
+Ast2=round((fsc-fcc)*Asc/0.87/fy)//in sq mm
+Ast=Ast1+Ast2//in sq mm
+mprintf("Compression steel = %d sq mm\nTension steel = %d sq mm",Asc,Ast)
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