reinforced steel

Is Burj Khalifa A Concrete? Burj Khalifa employs a record-breaking 330,000 cubic m (11.6 million cubic ft) of concrete; 39,000 m/t of reinforced steel; 103,000 sq m (1.1 million sq ft) of glass; 15,500 sq m (166,800 sq ft) of embossed stainless steel; and the tower took 22 million man hours to build. Which concrete