A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The Sky's the Limit
During the last 50 years, concrete technology has made great progress, largely due to the control of concrete rheology through the use of high-range waterreducing admixtures (HRWRAs) and viscosity-modifying admixtures (VMAs). [...]concrete rheology no longer depends only on water, but rather on a judicious balance between water and dosages of HRWRA and VMA. With today's concrete technology, it is possible to increase the strength of concretes at the same level as the strongest rocks found in nature, to pump these concretes up to 600 m (1970 ft)-and very soon up to 1000 m (3280 ft)- and to improve the workability of these concretes so that vibration is no longer necessary during casting. [...]when one succeeds at pumping a high-strength concrete up to 600 m (1970 ft), building structures 200 to 300 m (655 to 985 ft) high with 50 to 80 stories becomes a relatively trivial exercise.
The Sky's the Limit
During the last 50 years, concrete technology has made great progress, largely due to the control of concrete rheology through the use of high-range waterreducing admixtures (HRWRAs) and viscosity-modifying admixtures (VMAs). [...]concrete rheology no longer depends only on water, but rather on a judicious balance between water and dosages of HRWRA and VMA. With today's concrete technology, it is possible to increase the strength of concretes at the same level as the strongest rocks found in nature, to pump these concretes up to 600 m (1970 ft)-and very soon up to 1000 m (3280 ft)- and to improve the workability of these concretes so that vibration is no longer necessary during casting. [...]when one succeeds at pumping a high-strength concrete up to 600 m (1970 ft), building structures 200 to 300 m (655 to 985 ft) high with 50 to 80 stories becomes a relatively trivial exercise.
The Sky's the Limit
Pierre-Claude Aïtcin (author) / William Wilson
2015
Article (Journal)
English
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