How the world's tallest skyscraper was built | Alex Gendler

The video explores the evolution of skyscraper design, focusing on the Burj Khalifa. It discusses the challenges of building tall structures, the innovations by Fazlur Rahman Khan, and the introduction of the buttressed core design. The Burj Khalifa's construction is highlighted, including its rapid completion and the human cost involved, with poor labor conditions for migrant workers.

What halted the race to build the world's tallest skyscraper by the end of the 20th century?

• Lack of materials

• Environmental concerns

• Architectural limitations

• Economic recession

What was a major drawback of using industrial steel in skyscraper construction?

• It was too expensive

• It was environmentally unfriendly

• It required intensive labor

• It was not durable

What was Fazlur Rahman Khan's innovative idea for skyscraper design?

• Using lighter materials

• Incorporating more windows

• Building wider bases

• Creating a steel and concrete exoskeleton

How did the tubular design improve skyscraper stability?

• By reducing the height of buildings

• By absorbing wind forces through exterior frames

• By using heavier materials

• By increasing the number of floors

What is the buttressed core design used in the Burj Khalifa?

• A reinforced concrete base

• A central column with three supporting wings

• A series of internal steel beams

• A lightweight glass exterior

What was a significant issue faced by workers during the construction of the Burj Khalifa?

• Insufficient training

• Long working hours and low wages

• Lack of safety equipment

• Language barriers

What was the impact of the Burj Khalifa's construction on the UAE's reputation?

• It boosted tourism

• It led to scrutiny over labor laws

• It increased local employment

• It improved international relations