Development of a process for the prefabrication of single-lane heavy-duty bridges made of bonded wood-concrete composite with a length of up to 16 m
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Many heavy-duty bridges for forestry and agriculture show a great need for rehabilitation. In order to be able to offer quick and feasible and more cost-effective alternatives to reinforced concrete here, the research project was carried out together with the Schaffitzel company.
Within the scope of this project, a single-lane heavy-duty bridge made of wood-concrete composite with lengths of up to 16 m and widths of 4 m was developed. To avoid long curing times of the concrete and thus long construction phases, only precast reinforced concrete elements were used. The connection between wood and concrete was made with adhesive due to the high stiffness and load-bearing capacity. The research work carried out focused on identifying a suitable adhesive, a system for bonding, investigating the durability of the adhesive system and developing a calculation methodology.
Schaffitzel Holzindustrie GmbH & Co. KG
Department of Building Conservation and Timber Construction
Funding program as part of a cooperation project of the Central Innovation Program for SMEs (ZIM) of the German Federal Ministry for Energy and Economic Affairs (BMWi)