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Diffstat (limited to '3776/CH7/EX7.2/Ex7_2.sce')
| -rw-r--r-- | 3776/CH7/EX7.2/Ex7_2.sce | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/3776/CH7/EX7.2/Ex7_2.sce b/3776/CH7/EX7.2/Ex7_2.sce new file mode 100644 index 000000000..71c8e8755 --- /dev/null +++ b/3776/CH7/EX7.2/Ex7_2.sce @@ -0,0 +1,23 @@ +clear +//Given +l = 6 //m -length of the beam +p = 3 //KN-m _ the load applied +R_a = l*p/2 //KN -The reaction at a, Since the system is symmetry +R_b = l*p/2 //KN -The reaction at b +l_s = 10 //mm - The length of the screw +shear_al = 2 //KN - The maximum load the screw can take +I = 2.36*(10**9) //mm2 The moment of inertia of the whole system +//We will divide this into two parts +l_1 = 50.0 //mm +l_2 = 50.0 //mm +b_1 = 100.0 //mm +b_2 = 200.0 //mm +A_1 = l_1* b_1 //in2 - area of part_1 +y_1 = 200.0 //mm com distance +A_2 =l_2*b_2 //mm2 - area of part_1 +y_2 = 225.0 //in com distance +Q = 2*A_1*y_1 + A_2*y_2 // mm**3 For the whole system +q = R_a*Q*(10**3)/I //N/mm The shear flow +d = shear_al*(10**3)/q //mm The space between the nails +printf("\n The minimal space between the nails %0.0f mm",d) +printf("\n Similar calculation for 4.5 KN gives spacing of 246mm") |