diff options
Diffstat (limited to '3683/CH19/EX19.12')
| -rw-r--r-- | 3683/CH19/EX19.12/Ex19_12.sce | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/3683/CH19/EX19.12/Ex19_12.sce b/3683/CH19/EX19.12/Ex19_12.sce new file mode 100644 index 000000000..9a201893b --- /dev/null +++ b/3683/CH19/EX19.12/Ex19_12.sce @@ -0,0 +1,15 @@ +P=1000//in kN
+Pu=1.5*P//in kN
+fck=15//in MPa
+fy=415//in MPa
+l=3.5//unsupported length, in m
+//assume 1% steel
+Ag=Pu*10^3/(0.4*fck*0.99+0.67*fy*0.01)//in sq mm
+L=sqrt(Ag)//assuming a square column
+L=420//in mm
+emin=l*10^3/500+L/30//in mm
+ep=0.05*L//=emin, hence OK
+Asc=0.01*L^2//in sq mm
+//provide 6-20 mm dia bars
+Asc=6*0.785*20^2//in sq mm
+mprintf("Summary of design:\nColumn size - %d x %d mm\nSteel-main = 6-20 mm dia bars",L,L)
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