Investigators suspect the use of substandard steel reinforcement may have weakened ... use of inferior steel rods embedded in the concrete slabs and columns — raising deeper questions about ...

In response, the study discussed proposes a novel joint design for TCC frames ... Once the frame was erected, the concrete slab formwork was installed, followed by reinforcement placement and concrete ...

It is also harvesting, testing and reusing concrete slabs. The redesigned 31-storey ... both during construction and in its operation. The design is being led by Danish architects 3XN, supported ...

The 450,000-sq-ft mixed-use tower known as 520 Fifth Avenue is being constructed on a compact site at Fifth Avenue and 43rd Street. Supertall buildings may no longer be a novelty, but that doesn ...