Early Age Strength Detection for In-situ Concreteby Tarun R. Naik, Univ of Wisconsin, United States,
Abstract: In recent years it has become increasingly beneficial to know the quality of concrete as soon as possible after it has been placed. This is especially true for high-rise concrete buildings and other concrete structures, such as chimneys and cooling towers. In concrete chimney or cooling tower construction, the concrete forms are moved up as soon as the concrete placed below has reached 'adequate strength' to support the formwork above for the next placement cycle. In such construction, typically the forms are removed when the concrete is sixteen to twenty hours old.
Subject Headings: Concrete | Field tests | Concrete construction | Strength of materials | Concrete structures | Chimneys | Cooling towers | Materials processing
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