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Diffstat (limited to '3862/CH10/EX10.10/Ex10_10.sce')
-rw-r--r-- | 3862/CH10/EX10.10/Ex10_10.sce | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/3862/CH10/EX10.10/Ex10_10.sce b/3862/CH10/EX10.10/Ex10_10.sce new file mode 100644 index 000000000..9b286129c --- /dev/null +++ b/3862/CH10/EX10.10/Ex10_10.sce @@ -0,0 +1,21 @@ +clear +// +//A cantilever of 3 m span, carrying uniformly distributed load of 3 kN/m is to be designed using cast iron rectangular section. Permissible stresses in cast iron are f = 30 N/mm^2 in tension and fc = 90 N/mm^2 in compression + +L=(3) //Span of cantilever,m +w=(3) //uniformly distributed load,KN/m + +M=w*1000000*(L**2)/2 //Maximum moment**N-mm +//let b be the width and d the depth +//Z=b*(d**2)/6 + +//Since it is rectangular section, N-A lies at mid-depth, and stresses at top and bottom are same. Hence, permissible tensile stress value is reached earlier and it governs the design. +fper=30 //N/mm^2 +b=100 //mm +f=30 + +//f*Z=M + +d=sqrt((M*6)/(b*f)) + +printf("\n d= %0.1f mm",d) |