diff options
Diffstat (limited to '3683/CH16/EX16.6/Ex16_6.sce')
-rw-r--r-- | 3683/CH16/EX16.6/Ex16_6.sce | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/3683/CH16/EX16.6/Ex16_6.sce b/3683/CH16/EX16.6/Ex16_6.sce new file mode 100644 index 000000000..486947a51 --- /dev/null +++ b/3683/CH16/EX16.6/Ex16_6.sce @@ -0,0 +1,20 @@ +Df=100//in mm
+bf=1250//in mm
+bw=250//in mm
+d=550//in mm
+Mu=400//in kN-m
+fy=415//in MPa
+fck=15//in MPa
+Asf=0.446*fck*(bf-bw)*Df/0.87/fy//in sq mm
+Muf=0.446*fck*(bf-bw)*Df*(d-Df/2)/10^6//in kN-m
+Muw=Mu-Muf//in kN-m
+//using Cu=Tu, 0.36 fck bw Xu = 0.87 fy Ast, Xu = a Asw
+a=0.87*fy/0.36/fck/bw
+//Muw=0.87 fy Asw (d-0.416 Xu)
+p=0.87*fy*0.416*a
+q=-0.87*fy*d
+r=Muw*10^6
+Asw=(-q-sqrt(q^2-4*p*r))/2/p//in sq mm
+Ast=Asw+Asf//in sq mm
+mprintf("Area of steel required=%f sq mm",Ast)
+
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