diff options
Diffstat (limited to '3683/CH3/EX3.14/Ex3_14.sce')
| -rw-r--r-- | 3683/CH3/EX3.14/Ex3_14.sce | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/3683/CH3/EX3.14/Ex3_14.sce b/3683/CH3/EX3.14/Ex3_14.sce new file mode 100644 index 000000000..05c9d6e73 --- /dev/null +++ b/3683/CH3/EX3.14/Ex3_14.sce @@ -0,0 +1,17 @@ +Bf=750//width of flange, in mm
+Bw=250//breadth of web, in mm
+Df=100//thickness of flange, in mm
+d=700//effective depth, in mm
+sigma_cbc=7//in MPa
+sigma_st=190//in MPa
+m=13.33//modular ratio
+M=460*10^6//in N-mm
+//to find critical depth of neutral axis
+Xc=d/(1+sigma_st/(m*sigma_cbc))//in mm
+sigma_cbc_dash=sigma_cbc*(Xc-Df)/Xc//in MPa
+//to find lever arm
+z=d-(sigma_cbc+2*sigma_cbc_dash)/(sigma_cbc+sigma_cbc_dash)*Df/3//in mm
+//taking moments about tensile steel
+Ast=M/(sigma_st*z)//in sq mm
+Ast=3699//round-off, in sq mm
+mprintf("Area of steel required=%d mm^2", Ast)
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