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Diffstat (limited to '3772/CH5/EX5.8')
-rw-r--r-- | 3772/CH5/EX5.8/Ex5_8.sce | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/3772/CH5/EX5.8/Ex5_8.sce b/3772/CH5/EX5.8/Ex5_8.sce new file mode 100644 index 000000000..189a866ea --- /dev/null +++ b/3772/CH5/EX5.8/Ex5_8.sce @@ -0,0 +1,32 @@ +// Problem 5.8,Page no.127 + +clc;clear; +close; + +L=3 //m //span of beam +t=20 //mm //Thickness of steel +D=200 //mm //overall depth +B=140 //mm //overall width +b=100 //mm //width of inner rectangle +d=160 //mm //depth of inner rectangle +w=77 //KN/mm**2 +sigma=100 //N/mm**2 //Bending stress +//Calculations +V=((D*10**-3*B*10**-3)-(d*10**-3*b*10**-3)) //m**3 //Volume of rectangular box +W=V*3*w //KN //Weight of Beam +I=(B*D**3-b*d**3)*12**-1 //mm**4 //M.I of beam section + +//Now using the relation,M*I**-1=sigma*y**-1 + +y=200 //mm //distance from farthest fibre +M=I*sigma*2*y**-1 //N*mm + +//M=3000*W+2772*3000*2**-1 +//After sub values in above equation we get + +W=((59.2*10**6-2772*3000*2**-1)*(3000)**-1)*10**-3 //KN //Max concentrated Load at free end + +F=W+2.772*2**-1 //KN //shear force at half length + +//Result +printf("The shear force at half length is %.2f kN",F) |