" LE PONT VIERFNDEEL." XLIX. 



Note. — This displacement also effects the other verticals to the 

 same extent. The same section at F is also displaced by an 

 amount E d, due to the deformation of the upper half of the 



P TT 



vertical, thus E d, = + 5 



24 J-2 



/. E Ay, = E d + E di 



2 S, ' 4 li 8 I x . ° 24 I, 



= Fsay 

 The displacement of the next vertical to the left 



■ ( F - p ^) +2<p - P5) A- 9 - 5W ' 



H 3 D 2 . p H 2 D p H 3 



=- K say 



The following is a table of these displacements : — 



Horizontal Displacement of, Central Point of each 

 Vertical. 



2S, + 1UWl 41, 81, + F 24 I 2 



/_D_ ffD\ 



V 2 S, + 8 1,/ 



II D 3 



+ iow, TT - 



+ Ps 24 I, 



K 



F + 2TT 2 ( p < - p »> 



- 95 W, g2! 



■<*-^(ft+l?) 



