Unformatted text preview: 5.133 and 5.134 For the beam and loading shown, and using a computer and step PROBLEM 5.134 functions, (a) tabulate the shear, bending moment, and maximum normal stress in
x= 0 t0x=L, usingth’e increments AL indicated, (b)
using smaller increments if necessary, determine with a 2—percent accuracy the
maximum normal stress in the beam. sections of the beam from 50 mm ”ll 1:933:30 E1300 mm ',.'.I L= 6m
AL= 0.5m SOLUTION
+92% : ° 42., + (ems) + (2.5)(3X2o) = O
4.5 kw 20 (x—27‘ — zo<>z57° kw... Rs e: V: “5 + 4545925 ‘P 2°<X 2). + 2C><><.‘5) kid I L M2 5x + 45<x—2>' — “xx17‘ + loot—59 kNm x
m 0.50
1.00
1.50
2.00
2.50
3.00
3.50
4.00
4.50
5.00
5.50
6.00 Sigma Maxillwdm lM‘ = .30 k”‘““
MP3 kN 0.0 ha kN'm W1» X.‘ 0.00
2.50
5.00
~7.50 10.00 7.50
20.00
27.50
30.00
27.50
20.00
10.00 0.00 0.0
3.3
*6.7 —10.0 13.3
10.0
26.7
36.7
40.0
36.7
26.7
13.3 0.0 For Pao+anﬂo£wr cease sec/Ham
s = 2&ka (ammo? 750 v :03 mm" 750 «10“ MM _———o 30 x IO'S _———"—"‘—"
ut ” 750 xlo
40*!0‘F%.= qc’ﬁ4ﬂt“ 6"...“ = ——I— 6' ...
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 Summer '10
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