Page 62 - 4749

Figure 3.8

3.5.3 Finding the extreme tangential stresses and the
position of shift planes

The planes where tangential stresses gain maximum and
minimum values, are called shift planes. To determine their
position we should study the extreme function (3.13):
 d 
  t    x  y cos 2 0  2 yx sin 2 0  0 ,

 d   
0
hence

62