130 Category 3: Industrial Buildings and Plants 3 Renewing of the Steel Roof Structure of the Storage Area at Weba - Ghent, Belgium SE Owner Weba Architect Ingenieursbureau G. Derveaux nv General Contractor Juri nv Engineering Office Ingenieursbureau G. Derveaux nv Construction Period 03/2015 - 07/2015 Weba’s industrial hall needed to be heightened to add additional storage capacity. The hall measures 37 m by 47 m and had a useful height of 4.6 m. The original steel lattice spans were at a distance of 3.2 m apart. The new structure is a steel section structure, with a useful height of 7.6 m. The roof beams are at a distance of 6.4 m apart (twice the existing steel lattice span separation). Structurally, the masonry walls, like the existing structure, are subjected to horizontal wind forces. The masonry walls were heightened. The vertical loads of the new columns (each 6.4 m) are spread with beams to the existing underlying concrete columns (each 3.2 m). SCIA Engineer was used to model the new steel structure (Steel EC3 checks, deflection, steel connection). To preserve the industrial heritage, 2 spans on the street facade needed to be preserved. This presented the following challenges: • This connection and interaction between the old and new structure. • Transferring lateral loads under the existing spans, to the street facade masonry. Ingenieursbureau G Derveaux nv Contact Paul Van Driessche Address Brabantdam 33E 9000 Ghent, Belgium Website www.derveaux.be Ingenieursbureau G. Derveaux nv (ID) was founded in 1958 by engineer Godfried Derveaux and became one of the most important independent engineering offices in Belgium. Today the office is directed by his son, Jan Derveaux. ID is experienced in structural designs for all kinds of construction and in the design (both architectural and structural) of industrial projects.
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