A frame structure is a made from ... In the 19th century, steel, which is much lighter and stronger, made the building of modern skyscrapers possible. It is now used to construct extremely tall ...

During construction, people were so worried that Jenney’s building would fall down that the city halted construction to investigate the structure’s safety. Today, the Home Insurance Building ...

The council has stated that the glazing panels were removed to allow for adjustments to the steel frame of the structure ...

following the construction of a large steel frame on the site. The new structure will form an extension to the Durham city ...