87 Category 3: Industrial Buildings and Plants 3 Owner Consorzio Depurazione Acque Biasca e Dintorni Architect TBF + Partner AG General Contractor Syngas Swiss AG Engineering Office Officine Ghidoni SA - Technical Department Construction Period 01/2017 - 03/2017 Commissioned by Syngas Swiss AG for the new biogas treatment plant at the CDA Biasca, the structure has a cylindrical body (D x H = 9.8 x 11.5 m) and a pavilion roof with 16 flaps, equipped with an overpressure vent chimney designed to support the gasometer membrane. The main structure is composed of four sway frames with tension only bracing on the perimeter. The Table Input-to-Excel interface in SCIA Engineer has allowed for a fast wind load definition consistent with the distribution for circular cylinders of EN 1991-1-4. The steel code & connections check was used to optimise the frame, immediately reducing the quantity of steel and identifying the combinations of load critical for the design. The subsequent plastic shells analysis with a reduced number of load combinations has allowed us to optimise the connections not defined in the Eurocode as well as the base plates by reducing the distance of the anchors from the edge of the foundation. Structural elements and graphics performance tools have allowed the generation of highly faithful rendering. The interface with Bocad has accelerated the start of production. Officine Ghidoni SA Contact Franco Rastelli Address Via al Pizzante 9 6595 Riazzino, Switzerland Website www.officineghidoni.ch Officine Ghidoni SA is the leading company in the heavy metal carpentry industry in the Canton of Ticino, that is its primary target market, and it diversifies its production including metal carpentry, prefabricated warehouses, tanks, containers and welded manufactures. We are convinced that quality must remain a dominant theme of our economy. Accordingly, the company has attained the following certifications: EN 1090-1, EN 1090-2 (production & design in the class EXC4), ISO 9001, EN 1090, ISO 3834, OHSAS 18001, ISO 14001. We completed all of the most important steel structure projects carried out in Ticino and we have been given several awards (Prix Acier 2009 & 2011). Membrane Gasometer Supporting Structure - Biasca, Switzerland
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