EXPERT ADVICE

Understanding the properties and characteristics of concrete

Structures surround the modern world. Buildings, bridges, roads, and tunnels are everywhere. By definition, a structure is something made up of parts that are held or put together in a particular way. In construction, structures are designed by architects and engineers, and built by contractors or builders using many different materials. The most common, however, are concrete, steel, timber, plastic, and glass.
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San Diego


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EXPERT ADVICE

Understanding the electromechanical process of galvanic corrosion

By Steve Goodale

Steel pool walls are eroding and ladder handrails are turning black. New heaters are failing after one year and warranties are void because the casing was not bonded. What is going on here? The pool industry has some difficult-to-grasp concepts such as water chemistry; where on...


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