To model the structure in LUSAS two-noded 3D bar elements, 3D engineering thick beams, and corresponding 3D joint elements were used. Detailed analyses carried out included: linear static, frequency (eigenvalue) extraction, buckling (eigenvalue) analysis, and staged construction using a nonlinear analysis with a linear elastic material. Staged construction facilities in LUSAS allow a complete model to be built letting users activate or deactivate selected elements to suit the stage of construction being considered. It is particularly suited to cable stayed structures of this type where prestressing of the cables using initial stress or strain, and replacement or severance of cable stays is to be investigated.