133 Showroom Korimco Kortrijk The mission of the structural engineering department was to design the structure of the roof of the showroom. The client is a well-known international manufacturer of roof tiles. The roofs of the existing buildings were typical shed roofs. The architect wanted the same typical shed form for the new showroom. There could not be any diagonal truss members in the glazed surfaces, and there could not be any visible structure in the other parts of the roof. The surface of the main roof is 18*32.50 m2. The orientation of the shed form leads to a semi 3D structure, a combination of trusses and frames carrying the loads in the direction of the 32.50 m. The frames were placed in the glazed parts, and the more economic trusses in the other parts. The use of tension bars in the other direction to connect the different frames and trusses was inevitable, but they had to be placed as high as possible, with a minimal cross section. The roof became a rather complex structure, highly hyperstatic and with important internal forces. The possibilities to transport and assemble the roof had to be investigated, the total cost of the roof structure had to be minimized. The glazed surfaces allowed only small displacements. The best approach for us was to use the powerful and easy to handle SCIA•ESA PT software package to build an accurate 3D model of the roof structure. The use of layers and the work plane tool made it easy to build the model. The steel check and optimisation module allowed us to reduce the weight of the structure. Displacements were easy to check. After a first study, some changes in the geometry could be easily implemented into the model in a short time. The use of SCIA•ESA PT allowed us to reduce not only the total weight of a rather complex roof structure, but also the time and effort needed to design it. Showroom Korimco Kortrijk The mission of the structural engineering department was to design the structure of the roof of the showroom. A typical shed form was required. There could not be any diagonal truss members in the glazed surfaces, and there could not be any visible structure in the other parts of the roof. The surface of the main roof is 18*32.50 m2. The orientation of the shed form led to a semi 3D structure, a combination of trusses and frames carrying the loads in the direction of the 32.50 m. The roof became a rather complex structure, highly hyperstatic, with important internal forces.
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