diff options
Diffstat (limited to '3683/CH5/EX5.7/Ex5_7.sce')
| -rw-r--r-- | 3683/CH5/EX5.7/Ex5_7.sce | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/3683/CH5/EX5.7/Ex5_7.sce b/3683/CH5/EX5.7/Ex5_7.sce new file mode 100644 index 000000000..f3ba198f3 --- /dev/null +++ b/3683/CH5/EX5.7/Ex5_7.sce @@ -0,0 +1,15 @@ +dia=500//in mm
+Asc=6*%pi/4*25^2//six 25 mm dia bars, in sq mm
+Lef=8//effective length of column, in m
+sigma_cc=5//in MPa
+sigma_sc=190//in MPa
+a=Lef*10^3/dia
+//as Lef/b >12, it is a long column
+Cr=1.25-Lef*1000/(48*dia)//reduction coefficient
+sigma_cc=Cr*sigma_cc//in MPa
+sigma_sc=Cr*sigma_sc//in MPa
+Ag=%pi/4*dia^2//in sq mm
+Ac=Ag-Asc//in sq mm
+P=sigma_cc*Ac+sigma_sc*Asc//in N
+mprintf("The safe load on the column=%f kN", P/10^3)
+//the answer doesn't match with that given in textbook due to round-off error
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