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Coating Failures By Design

Coating Failure by Design
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Although the form and function of a well-designed building are important, it is the long-term performance and durability of a building and its components that will be important to the owner(s) and occupants. Therefore, during the design of buildings, the selection of the appropriate materials and understanding the long-term performance of the specified materials exposed to various site-specific environmental conditions is critical in avoiding the potential “failure by design”. The case study presented will focus on the coating failure by design, that could have been avoided by the original design and construction team and resulted in costly litigation and eventually the complete removal of a key architectural element on two high-rise condominium buildings located along the Florida coastline

Product Number: 51322-18164-SG
Author: Leonard Phelps, Ralf Leistikow
Publication Date: 2022
Industries: Test Method , Corrosion Monitoring and Control , Coatings
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$20.00
$20.00

Although many industry resources for the design and selection of effective and durable coating systems are available to coating specifiers and manufacturer’s technical representatives, too often the wrong surface preparation and/or coating system are specified and completed during construction and rehabilitation projects. This results in less effective coating systems and costly future remedial work. A case study of a project in a seacoast environment will be reviewed to illustrate an installation which resulted in significant remedial work on the existing structures. As a result of poor project specifications, limited or improper technical support, and deficient construction, the structural framing on this project deteriorated prematurely and required extensive remedial work. The project specification and construction deficiencies resulted in widespread coating failures and deterioration of the structural framing. In addition, the various field and laboratory techniques utilized to determine the cause(s) of the coating failures will be discussed. The scope of the completed project and remedial work will also be reviewed. Based on the findings related to the project, general recommendations, and practical steps to avoid such deficiencies that could be used by coating specifiers and manufacturer’s technical representatives will be reviewed for the case study.

Although many industry resources for the design and selection of effective and durable coating systems are available to coating specifiers and manufacturer’s technical representatives, too often the wrong surface preparation and/or coating system are specified and completed during construction and rehabilitation projects. This results in less effective coating systems and costly future remedial work. A case study of a project in a seacoast environment will be reviewed to illustrate an installation which resulted in significant remedial work on the existing structures. As a result of poor project specifications, limited or improper technical support, and deficient construction, the structural framing on this project deteriorated prematurely and required extensive remedial work. The project specification and construction deficiencies resulted in widespread coating failures and deterioration of the structural framing. In addition, the various field and laboratory techniques utilized to determine the cause(s) of the coating failures will be discussed. The scope of the completed project and remedial work will also be reviewed. Based on the findings related to the project, general recommendations, and practical steps to avoid such deficiencies that could be used by coating specifiers and manufacturer’s technical representatives will be reviewed for the case study.

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Causes of Coating Failures
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Causes of Coating Failures

Product Number: 41209-512-SG
Author: Kenneth B. Tator
Publication Date: 2009
$20.00

Industrial and marine protective coating systems are most commonly applied without incident and perform as expected over their anticipated service life. However, occasionally, a coating system will fail prematurely, for unexpected reasons, and with expensive consequences. This paper addresses those unexpected failures and provides reasons and remedies for such occurrences.
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(Coating Application, Types & Characteristics) Use of Duplex Coating Systems for Protection of Structural Steel

Product Number: 15-COAT_DEC21
Author: William D. Corbett
Publication Date: 2021
$20.00

The use of duplex coating systems (hot dip galvanizing or thermal spray coating with one or more liquid-applied coatings) for long term protection of structural steel is becoming more mainstream in many industries. This paper describes the advantages of employing duplex coating systems as well as some important considerations for designers prior to specifying their use. It also highlights an ongoing initiative to help agencies more efficiently and effectively use duplex coatings on steel bridges by developing guidelines, standards, and other materials.
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Coatings To Regulate Scaling In Geothermal Applications

Product Number: 51322-17547-SG
Author: Alexandre Sabard, Shiladitya Paul, Briony Holmes, Namrata Kale, Paolo Taddei Pardelli, Claretta Tempesti, Andrea Mannelli, Ural Halaçoğlu, Hakan Alp Sahiller, Raziye Şengün, Sylvie Rouge, Nadia Caney, Andri Stefansson, Per Kjellgren, , Jan Přikryl, Volkan Ediger, Gokhan Kirkil
Publication Date: 2022
$20.00

Geothermal Energy is currently engineered as an “always on” baseload supply, due to the limited flexibility to throttle the well without scaling and fatigue issues, and it is engineered for maximal efficiency at this output level. Scaling is a major problem in geothermal plants, particularly in cases where the geothermal fluid composition and plant operation make it difficult to control scaling. In such areas, particularly where scale inhibitors cannot be employed, the formation of scales can make the process less efficient and in extreme cases can lead to unexpected shutdown.
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