Rohrdorfer and Zosseder have decided on a joint pilot project so that high-quality concrete can be produced from demolition material.
The production of recycled concrete, also known as R-concrete, still plays a subordinate role in the building materials industry.
The reasons for this are the regional availability of suitable recycling material and the low demand for R-concrete. The companies Rohrdorfer and Zosseder have decided on a joint pilot project so that high-quality concrete can be produced from demolition material in the quantities customary in the industry and with consistent quality. The project started at the beginning of January 2022. It is planned to start delivering the R-concrete in the second half of 2022.
Construction rubble recycling currently means mainly downcycling, as the processed aggregates are mostly used for road and path construction or for other civil engineering projects. With the recycling concrete pilot project, the companies Rohrdorfer and Zosseder have set themselves the goal of producing high-quality concrete for the first time based on specially processed old concrete rubble. Larger quantities of recycled aggregate are to be used on two test construction sites.
In the first step, the finished concrete is mixed from the optimised crushed concrete in Union Betonwerk Söchtenau, which belongs to Rohrdorfer, and delivered to test construction sites in Großkarolinenfeld and Schilchau. To ensure consistently high concrete quality, it is very important to precisely control and monitor the entire processing chain from selective demolition through processing to concrete production. Here, the project partners Zosseder and Rohrdorfer complement each other optimally and incorporate their many years of experience in the field of building material recycling and concrete technology.
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