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Diffstat (limited to '3772/CH5/EX5.4')
-rw-r--r-- | 3772/CH5/EX5.4/Ex5_4.sce | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/3772/CH5/EX5.4/Ex5_4.sce b/3772/CH5/EX5.4/Ex5_4.sce new file mode 100644 index 000000000..8269d81ca --- /dev/null +++ b/3772/CH5/EX5.4/Ex5_4.sce @@ -0,0 +1,28 @@ +// Problem 5.4,Page no.124 + +clc;clear; +close; + +b=10 //cm //width of beam +d=20 //cm depth of beam + +sigma=8 //N/mm**2 //Max bending stress +W=5000 //N/m**2 //Load of floor +A=450 //cm**2 //Area of joist +L=5 //m //span of floor + +//Calculations +//Let x be the centre to centre spacingof the joists + +//A_1=5*x**2 //m**2 //Area of floor between any two joists +//W_1=5*x*W //N //total load supported by one interior joist +//M=W_1*L*8**-1 //Max bending moment +I=1*12**-1*b*(d*10**-2)**3*10**-2 //m**4 //M.I of joist +y=0.15 //cm //Distance of of farthest fibre +M=I*y**-1*sigma //N*m + +//Now equating to max bending moment we get +x=(18000*8)*(25000*5)**-1 + +//Result +printf("The Max Bending Moment is %.2f m",x) |