Not all damage to a load-bearing structure is immediately apparent. So how do civil engineers find out that a bridge or a large hall is no longer safe? Many clues form a picture. Concrete structures ...

A new building material is about to be launched on the market: 'memory-steel' can not only be used to reinforce new, but also existing concrete structures. When the material is heated (one-time), ...

So far, the steel reinforcements in concrete structures are mostly prestressed hydraulically. This re-quires ducts for guiding the tension cables, anchors for force transfer and oil-filled hydraulic ...

DUBENDORF, ZH SWITZERLAND—So far, the steel reinforcements in concrete structures are mostly prestressed hydraulically. This requires ducts for guiding the tension cables, anchors for force transfer ...