Zollinger timber structure A tennis roof Paris 1999 storm in beaver 3d

Hello,
I’m trying to find an alternative to the reconstruction of a Zollinger roof structure located on top of a Parisian building failed during the 1999 storm. I model the structure in karamba 3d with beaver plugin

ancient structure failed with the storm :

ANCIENT STRUCTURE

ANCIENT STRUCTURE1896×1033 384 KB

Salles-de-Sports-640x421

Salles-de-Sports-640x421640×421 54.7 KB

The new diamond structure is reinforced by glued laminated arches:

NEW STRUCTURE

NEW STRUCTURE1889×1023 329 KB

vuegenerale4

vuegenerale41920×1263 770 KB

the Zollinger framework is relegated to a bracing role. I tried to tighten the mesh and increase the sections a little more but I don’t understand why there is a weak point at the intersection between the edge and the ridge beam :

OTHER PROPOSITION

OTHER PROPOSITION1865×1019 321 KB

I have some problem also to apply forces to nodes with beaver plugin

202604garage la motte picquet grenelle- other proposition.gh (148.4 KB)

202604garage la motte picquet grenelle- new structure.gh (137.3 KB)

202604garage la motte picquet grenelle- ancient structure.gh (140.5 KB)