diff options
Diffstat (limited to '3683/CH1/EX1.12/Ex1_12.sce')
| -rw-r--r-- | 3683/CH1/EX1.12/Ex1_12.sce | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/3683/CH1/EX1.12/Ex1_12.sce b/3683/CH1/EX1.12/Ex1_12.sce new file mode 100644 index 000000000..bf05bff0d --- /dev/null +++ b/3683/CH1/EX1.12/Ex1_12.sce @@ -0,0 +1,12 @@ +b=250//width, in mm
+sigma_cbc=5//in MPa
+sigma_st=190//in MPa
+m=280/(3*sigma_cbc)//modular ratio
+M=75*10^6//bending moment, in N-mm
+//critical depth of neutral axis, Xc=d/(1+sigma_st/(m*sigma_cbc))=a*d
+a=1/(1+sigma_st/(m*sigma_cbc))
+d=(M/(b*sigma_cbc*a*(1-a/3)/2))^0.5//in mm
+d=640//round-off, in mm
+Xc=a*d//in mm
+Ast=b*Xc*sigma_cbc/(2*sigma_st)//in sq mm
+mprintf("Effective depth=%d mm\nArea of steel=%f mm^2",round(d),Ast)
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