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[[File:Expo58 building Philips.jpg|thumb|The novel shape of the [[Philips Pavilion]] built in [[Brussels]] for [[Expo 58]] was achieved using reinforced concrete]]
[[Leaning Tower of Nevyansk]] in the town of [[Nevyansk]] in [[Sverdlovsk Oblast]], [[Russia]] is the first building known to use reinforced concrete as a construction method.{{cn|date=February 2022}} It was built on the orders of the industrialist [[Akinfiy Nikitich Demidov|Akinfiy Demidov]] between 1721–1725.<ref>{{Cite book|last=Slukin|first=V. M.|url=https://www.worldcat.org/oclc/56187883|title=Demidovskie gnezda : Nevʹi︠a︡nsk, Verkhniĭ Tagil, Nizhniĭ Tagil|date=2001|publisher=ID "Sokrat"|others=Elena Arapova, Tatiana Kononova|isbn=5-88664-106-8|location=Ekaterinburg|pages=26|oclc=56187883}}</ref>
[[François Coignet]] used iron-reinforced concrete as a technique for constructing building structures.<ref name="britannia">{{cite encyclopedia |url=https://www.britannica.com/technology/building-construction/Early-steel-frame-high-rises#ref105155 |title=Building construction: The invention of reinforced concrete |url-access=subscription |encyclopedia=Encyclopedia Britannica |access-date=2018-09-27 |archive-date=2018-09-28 |archive-url=https://web.archive.org/web/20180928005354/https://www.britannica.com/technology/building-construction/Early-steel-frame-high-rises#ref105155 |url-status=live }}</ref> In 1853, Coignet built the first iron reinforced concrete structure, a four-story house at 72 [[rue Charles Michels]] in the suburbs of Paris.<ref name="britannia" /> Coignet's descriptions of reinforcing concrete suggests that he did not do it for means of adding strength to the concrete but for keeping walls in monolithic construction from overturning.<ref name="Condit">{{cite journal |last=Condit |first=Carl W. |journal=Technology and Culture |title=The First Reinforced-Concrete Skyscraper: The Ingalls Building in Cincinnati and Its Place in Structural History |date=January 1968 |volume=9 |issue=1 |pages=1–33 |doi=10.2307/3102041 |jstor=3102041}}</ref> The Pippen building in [[New York and Long Island Coignet Stone Company Building|Brooklyn]] stands as a testament to his technique. In 1854, English builder William B. Wilkinson reinforced the concrete roof and floors in the two-story house he was constructing. His positioning of the reinforcement demonstrated that, unlike his predecessors, he had knowledge of tensile stresses.<ref>{{cite web | url =http://www.theconcreteproducer.com/Images/The%20History%20of%20Concrete%2C%20Part%202_tcm77-1306954.pdf | title =History of Concrete | year =1995 | author =Richard W. S | publisher =The Aberdeen Group | access-date =25 April 2015 | archive-url =https://web.archive.org/web/20150528183822/http://www.theconcreteproducer.com/Images/The%20History%20of%20Concrete%2C%20Part%202_tcm77-1306954.pdf | archive-date =28 May 2015 | url-status =dead | df =dmy-all }}</ref><ref>{{cite web| url = http://www.jfccivilengineer.com/reinforced_concrete.htm| title = Reinforced Concrete| work = The Elements of Structure| year = 1995| author = W. Morgan| via = John F. Claydon's website| access-date = 25 April 2015| archive-date = 12 October 2018| archive-url = https://web.archive.org/web/20181012133730/http://www.jfccivilengineer.com/reinforced_concrete.htm| url-status = live}}</ref><ref name="CIVL1101">{{cite web |url= http://www.ce.memphis.edu/1101/notes/concrete/section_2_history.html |title= History of Concrete Building Construction |year= 2015 |website= CIVL 1101 – History of Concrete |author= Department of Civil Engineering |publisher= University of Memphis |access-date= 25 April 2015 |archive-date= 27 February 2017 |archive-url= https://web.archive.org/web/20170227213256/http://www.ce.memphis.edu/1101/notes/concrete/section_2_history.html |url-status= live }}</ref>
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