Physics Forums

I am looking at this building and wondering how building torsion is resisted as well as what role the roof diaphragm plays in it, hence what would be the shear force and bending moment diagrams?

http://www.google.co.nz/imgres?imgurl=http://archide.files.wordpress.com/2009/02/campus01_thumbnail.jpg%3Fw%3D500%26h%3D335&imgrefurl=http://archide.wordpress.com/2009/02/10/auditorium-and-cafeteria-for-trumpf-gmbh-by-barkow-leibinger-germany/&usg=__DC3L45XA8GbPwe843BPHIc_8iJw=&h=335&w=500&sz=40&hl=en&start=0&zoom=1&tbnid=WuhdgTUNONkLvM:&tbnh=148&tbnw=221&prev=/images%3Fq%3Dfloor%2Bplan%2Bcompany%2Bcafeteria%2Bditzingen%26um%3D1%26hl%3Den%26client%3Dfirefox-a%26rls%3Dorg.mozilla:en-GB:official%26biw%3D1503%26bih%3D633%26tbs%3Disch:1&um=1&itbs=1&iact=hc&vpx=1186&vpy=98&dur=129&hovh=184&hovw=274&tx=157&ty=141&ei=9x6MTMCPDYT4sAP8_omrBA&oei=7R6MTLLDNYqesQO9iumXBA&esq=4&page=1&ndsp=19&ved=1t:429,r:6,s:0