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Legacy SSPC Conference Papers
An understanding of the relationship between color and our environment remains an area in which much research has been conducted; yet, we are ever fascinated with the topic of color and the nuances it has yet to unfold. Our work aims to begin a dialogue regarding color trends, color application in an environment, the psychological impact of color and an understanding of the balance between these philosophies.
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This paper describes the results of a research study to determine the effectiveness of various rehabilitation materials and techniques for concrete bridges. This work reflects the needs for identifying effective materials and techniques to offer protection against corrosion of steel in concrete as well as patch repair in concrete girders.
In the 1990’s, the National Science Foundation realized that the United States needed to combine science, technology, engineering, and mathematics into a single effort. So, they created the acronym “STEM” to describe the application of those combined disciplines in both education and in the workplace, in order to help solve the country’s most difficult technological problems. Several population segments have been targeted for STEM learning and application.
This paper describes the performance properties of coconut-based polyol resin used in polyurethane coating systems compared with commercially available polyurethane paints which use petroleum-based acrylic or polyester polyol resins, in terms of physical and corrosion properties under accelerated laboratory weather conditions. The studies also show the chemical resistance and protection properties from the discoloration effects of ultraviolet (UV) light on the painted metal test panel substrate specifically cold rolled steel.
When establishing the minimum conditions suitable for coating concrete, many coating manufacturers, and hence specifying engineers and contractors, generally rely on unrealistic moisture content and moisture vapor emission rate requirements. These compulsory values are founded on laboratory testing rather than field experience, or worse still, on supposition rooted in unachievable and unrelated requisites.
The use of linings to rehabilitate concrete surfaces in water and wastewater environments has been increasing. This paper discusses the basics of concrete, concrete deterioration, and subsequent rehabilitation options, with an emphasis on coatings.
Keeping track of the constantly evolving Architectural and Industrial Maintenance (AIM) regulations in the United States is a daunting task. Forecasting what these regulations might like in the future is even more difficult. However, both are important given concerns over compliance and green product formulations. The following is a historical perspective of why the VOC content of AIM products is regulated, overview of current regulations and a 5-year forecast of AIM regulations in the US.
This paper will address both existing and new air barrier technology. Manufacturers, engineers, architects, trade professionals, and testing agencies will learn essential features of this emerging industry. Manufacturers will learn about the material properties and product performance requirements of air barrier coatings. Engineers and architects will learn basic building science principals required to create an air barrier utilizing coatings.
Cool coatings can play an important role in reducing global energy consumption and increasing interior comfort. They do this by minimizing solar absorption on a surface whilst maximizing thermal emission. Used in this way, a cool coating is able to reduce the flow of heat from the exterior coated surface into the building, resulting in lower internal temperatures.
Coatings are widely used to mitigate corrosion of structural steel in aggressive humid environments. Zinc-rich primer three-coat paint systems are widely used to mitigate corrosion of steel bridges. However, the associated costs of its required maintenance are high. As part of a research program, chemically bonded phosphate ceramics (CBPC), thermal diffusion galvanizing (TDG) and metallizing coatings along with the current 3-coat systems were exposed in outdoor conditions for up to 2 years and in salt-fog exposure for up to 14,600 hours.
The performance of a Chemically Bonded Phosphate Ceramic (CBPC) coating was investigated for marine bridge application. Assessment of possible coating degradation and corrosion development was made by physical and electrochemical techniques. Passive-like conditions developed in the chloride-free solutions and formation of oxide product occurred in the chloride solutions. A large degree of oxide product formation throughout the non-scribed coating exposure surface area, consistent with the large, measured corrosion current, was indicative that the ceramic coating had poor barrier coating properties.
The City Public Service Board of San Antonio, Texas (CPS Energy) is the largest municipally owned gas and electric utility company in the nation. CPS Energy owns a fleet of power generation plants with a combined output of over 4,500 MW. In 2011, CPS initiated an Asset Corrosion-Protection Program for its power generating facilities to proactively protect its assets from coating degradation and premature corrosion.