September 29, 2009
by Bob Murphy
Concrete as a building material has been widely used in the construction of water and wastewater facilities. Concrete is easy to place and form, and its lower cost and higher durability have made concrete a construction material of choice. Protecting concrete from the constant acidic attack of the waste stream has become a challenge for [...]
Posted in Coatings and Linings, General Topics, Wastewater Environments, Writing Specifications |
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September 25, 2009
by Bob Murphy
Contaminated water drunk by 1 in 10 Americans: NY Times An estimated 1 in 10 Americans have been exposed to drinking water that contains dangerous chemicals or fails to meet a federal health benchmark in other ways, an investigation by The New York Times has found. A report of the investigation was published in the [...]
Posted in General Topics, Potable Water |
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September 11, 2009
by Kevin Morris
This is the last post in a series on concrete and we have taken you from placing the the substrate to applying the coating system. This post contains information on little things that need to be done all along the way to inspect what you expect. Starting with the first post in the series you [...]
Posted in General Topics |
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September 8, 2009
by Kevin Morris
Concrete is not unlike a human being in the sense that it breathes and gasses. Moisture is always present in concrete and as the substrate heats up, the moisture moves through the capillaries in the form of vapor. Due to the moisture in concrete, it is always looking to reach equilibrium with its environment and creates moisture [...]
Posted in Coatings and Linings |
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September 3, 2009
by Kevin Morris
Repair of a concrete substrate is something that is required of almost every project, new construction or rehabilitation. Use of the structure should dictate to what extent the repair is made. Surface imperfections that should be addressed will include: Bugholes Honeycombs Tie Wire Holes Spalling Rebar Corrosion Pop-Outs Abrasion or Erosion Cracking The top three [...]
Posted in Surface Preparation |
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