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diff --git a/3864/CH9/EX9.11/Ex9_11.sce b/3864/CH9/EX9.11/Ex9_11.sce
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+clear
+//
+//
+
+//Initilization of Variables
+
+I=4.085*10**8 //mm**4 //M.I
+A=20732.0 //mm**2 //area of column
+f_y=250 //N/mm**2 
+L=6000 //mm //Length of column
+
+//Calculations
+
+k=(I*A**-1)**0.5 //mm
+lamda=L*k**-1 //Slenderness ratro
+
+//From Indian standard table
+lamda_1=40 
+sigma_a_c_1=139 //N/mm**2
+lamda_2=50 
+sigma_a_c_2=132 //N/mm**2 
+
+//Linearly interpolating between these values for lambda=42.744
+
+sigma_a_c_3=sigma_a_c_1-2.744*10**-1*(sigma_a_c_1-sigma_a_c_2)
+
+//Safe Load carrying capacity of column
+P=sigma_a_c_3*A*10**-3
+
+//Result
+printf("\n Safe Load carrying capacity is %0.2f  KN",P)