Concrete mixture and method of forming the same
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United States of America Patent
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Mar 17, 2015
Grant Date -
Feb 9, 2012
app pub date -
Jun 23, 2009
filing date -
Jun 23, 2008
priority date (Note) -
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Abstract
A concrete mixture for forming a breathable concrete. The mixture comprises aggregate particles and a paste comprising water, cement or cement substitute, and plasticizer. The plasticizer controls the viscosity of the paste such that the paste forms a substantially uniform layer coating the particles, with the coated particles in contact, while allowing spaces to be retained there between. These spaces interconnect forming channels through the concrete, allowing air to permeate there through such that the concrete exhibits good dynamic insulation properties, whist retaining structural strength.
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