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Concrete Deterioration

Nondestructive testing of concrete tanks (1)

Non-Destructive Testing of Concrete Tanks

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This article describes the applications of non-destructive testing (NDT) and evaluation in the inspection and condition assessment of Concrete tanks. Depending on their particular application, concrete tanks are exposed to water, wastewater (sewer), and other aggressive chemicals. This can result in deterioration of concrete during its life cycle. Non-destructive Testing can help engineers in evaluating the location and extent of defects.  Share on linkedin Share on facebook Share on twitter… Read More »Non-Destructive Testing of Concrete Tanks

Common Defects in Bridge Structures

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The collapse of Ponte Morandi in Genoa, Italy (read more) and Florida International University pedestrian bridge (read more) have raised concerns about the safety and reliability of existing and new bridge structures. common Defects in bridge structures can affect the overall safety of the bridge structures. Different deterioration mechanisms can lead to major defects. Exiting infrastructure in developed countries are nearing the end of their initial service life design. According to the… Read More »Common Defects in Bridge Structures

NDT Methods for Evaluation of Parking Garages

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Non-destrcutive Testing- NDT Methods for Evaluation of Parking Garages can help improve the quality of routine inspection and maintenance. Parking garages require routine inspection and maintenance to ensure they remain safe and operational. Weather it is a public parking in extremely busy downtown areas, or a private condominium structure, proper maintenance is needed to keep them safe. The importance of parking garages is often ignored, simply because nobody lives in… Read More »NDT Methods for Evaluation of Parking Garages

Condition Survey for Bridge Decks

4 Methods of Condition Survey for Bridge Decks

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Exposed Concrete Decks suffer from various deterioration mechanisms; i.e. freezing and thawing, corrosion. The most significant consequence is the delamination of concrete, which could eventually trigger other damage mechanism, such as corrosion. The maintenance of deck slabs is quite challenging mainly because it normally involves large areas; In many cases, closing the deck to traffic is extremely difficult, if not impossible. Existing (traditional) methods of condition survey for bridge decks… Read More »4 Methods of Condition Survey for Bridge Decks

NDE of Concrete Dams

4 Methods for Nondestructive Evaluation of Concrete Dams

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Appropriate operation and maintenance of concrete dam structures are essential to ensure the safety of the structure, and reducing risk. Concrete surfaces should be examined in a regular basis to identify spalling and deterioration due to weathering, or extreme stresses, or other physical, or chemical damage mechanism. Nondestructive Evaluation of Concrete Dams can provide useful information about the condition and quality of concrete materials, extent of damages, and mechanical properties of concrete. What… Read More »4 Methods for Nondestructive Evaluation of Concrete Dams

ASR-Corrosion

Corrosion in Concrete

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It is common to see map crack networks over the concrete elements of aged infrastructure along with leaching signs. It might be interesting to know that no structural collapse has been reported so far because of the ASR cracking in North America. However, the question arises as to whether it is required to manage ASR cracking within concrete structures. In this article, we will study the combined effect of corrosion… Read More »Corrosion in Concrete