Advanced Methods of Structural Analysis

448 12 Plastic Behavior of Structures

12.9.Two-span uniform beamABCis subjected to uniformly distributed load and
concentrated loadPas shown on design diagram. Both loads are satisfy to condition
PDkql. Find the parameterk, which leads to plastic conditions at the both spans
at once.

A C

ll/ 2

B

q P

l/ 2

Fig. P12.9

Ans.kD0:5147.