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1891 |
- George Bartholomew placed the first concrete street in the U.S. in Bellefontaine, Ohio which still exists today
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1893 |
- William Michaelis claimed that hydrated metasilicates form a gelatinous mass (gel) that dehydrates over time to harden.
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1894 |
- Anatole de Baudot designs and builds the Church of St. Jean de Montmarte with slender concrete columns and vaults and enclosed by thin reinforced concrete walls.
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1897 |
- The Sears Roebuck offered #G2452 - a barrel of "Cement, natural" at $1.25 per barrel; and also they listed #G2453, "Portland Cement, imported" at $3.40 per 50 gallon barrel.
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1898 |
- Cement manufacturers used 91 different formulas.
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1900 |
- Basic cement tests were standardized.
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1902 |
- August Perret designs and builds an apartment building in Paris that uses what was called "a system for reinforced concrete". This structure deeply influenced architecture and concrete construction for decades since it was built without load-bearing walls using instead columns, beams, and slabs.
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1903 |
- The first concrete high rise was built in Cincinnati, Ohio.
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1908 |
- Thomas Edison built 11 cheap, cast-in-place, concrete houses in Union, New Jersey that still exist and laid the first mile of concrete road near New Village, New Jersey.
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1909 |
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Thomas Edison was issued a patent for rotary kilns.
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Wayne County, Michigan, built the first mile of rural pavement for automobiles in the U.S.
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1911 |
- Reinforced concrete is used to build the Risorgimento Bridge in Rome that spans 328 feet.
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1913 |
- The first load of ready-mixed concrete was delivered in Baltimore, Maryland.
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1914 |
- The Panama Canal is completed with three pairs of concrete locks having floors up to 20 feet thick and walls up to 60 feet thick at the base. The Panama Canal locks were built with reinforced concrete, and this led to the first hydroelectric dams to be constructed with reinforced steel and concrete.
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1915 |
- Matte Trucco builds the five-story Fiat-Lingotti Autoworks in Turin using reinforced concrete with a automobile test track on the roof.
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1916 |
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The Portland Cement Association was formed in Chicago.
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Stephen Stepanian of Columbus, Ohio applied for a patent for the first truck mixer.
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1917 |
- The National Bureau of Standards (now the National Bureau of standards and Technology) and the American Society for Testing Materials established a standard formula for Portland cement.
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1921 |
- The immense parabolic airship hangars at Orly Airport near Paris, France were finished.
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1923 |
- Two of the Western Paving Company's concrete plants in Oklahoma City each produced up to 1,000 cubic yards of concrete a day.
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1927 |
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In Seattle, Washington the first horizontal drum truck mixer – the Paris Transit Mixer – debuted and became popular across the country.
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The Erie Steel Construction Company of Erie, Pennsylvania, developed the Aggremeter hopper, a device which weighed and measured concrete ingredients by volume.
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Eugene Freyssinet, a French engineer, developed pre-stressed concrete.
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Martin Elasser builds the barrel-vaulted market hall at Frankfurt am Main demonstrating the first use of shell concrete in a large facility.
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1929 |
- Dr. Linus Pauling of the U.S. formulated a set of principles for the structures of complex silicates.
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