11 Diagonal Street is an iconic office tower in downtown Johannesburg, South Africa, that was built by Anglo American Property Services.[2] The 22 floor building is the 15th tallest in the city[3] and it was conceptualized in 1981 and excavations began in December that year. Construction ended in 1983 and the building was tenanted in 1984.[4] The building is designed to look like a diamond as it reflects different views of the Central Business District from each angle of the building.[5] Apart from it's unique exterior, the structure was built with concrete instead of steel, demonstrating that concrete could be used instead of steel in both speed and cost.[6]

The building's architect was Helmut Jahn.[7]

Current Use

The building was used by the department of Development Planning & Local Government.[8] It is currently occupied by The Gauteng Department of Infrastructure Development.[9]

References

  1. ^ https://www.rebosis.co.za/property-item/11-diagonal-street/
  2. ^ 11 Diagonal Street (1983) Published by Anglo American Property Services (Pty), Ltd., Johannesburg
  3. ^ https://aeworldmap.com/2015/09/08/the-diamond-building-johannesburg-south-africa/
  4. ^ "Eleven diagonal street concrete won the day". Civil Engineering = Siviele Ingenieurswese. 1983 (1): 11–13. January 1983. doi:10.10520/AJA10212019_16842 (inactive 1 February 2025).{{cite journal}}: CS1 maint: DOI inactive as of February 2025 (link)
  5. ^ "11 Diagonal Street, Johannesburg, South Africa". Emporis. Archived from the original on 8 February 2007.
  6. ^ "Eleven diagonal street concrete won the day". Civil Engineering = Siviele Ingenieurswese. 1983 (1): 11–13. January 1983. doi:10.10520/AJA10212019_16842 (inactive 1 February 2025).{{cite journal}}: CS1 maint: DOI inactive as of February 2025 (link)
  7. ^ https://jahn.studio/
  8. ^ "Diagonal Street, with Neil Fraser". joburg.org.za. Archived from the original on 26 October 2014. Retrieved 26 October 2014.
  9. ^ https://www.rebosis.co.za/property-item/11-diagonal-street/


Allikas: https://en.wikipedia.org/wiki/11_Diagonal_Street
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