Technologies

BBR post-tensioning allows almost any shape of structure to be constructed, while reducing environmental impacts, construction time, materials and costs. The European approved BBR VT CONA CMX range of post-tensioning is our response to current needs.

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BBR was the inventor of high fatigue resistant wire stay cables (1960), modern high fatigue resistant parallel strand stay cables (1972) and the world’s first carbon stay cables (1994), with which many of the world's most dramatically architectural designs have been realized.

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We are delighted to announce that the
BBR VT CONA CMF BT Internal Post-tensioning System with flat Anchorages has now obtained European Technical Approval ETA.

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Differently to stay cables, the cables of an extradosed bridge can be stressed to a higher lever (55% UTS). This is reflected in specific tests which have been executed on the BBR HiEx CONA saddle system.

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