V- and M-diagrams for vertical beam with difficulty calculating M

[kasse]

I want to draw the V- and M-diagramme for this beam:

http://www.badongo.com/pic/646161

Am I on the right track? I find it difficult to calculate M here. What should I do?

 

[radou]

Yes, you're on the right track. Note that the trapezoidal load can be thought of as the superposition of two triangular loads.