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Epoxy moisture control systems can be applied over concrete with relative humidity levels up to 100%, and there are systems available on the market today that can be applied over concrete that is physically damp. In some cases, with the use of an epoxy moisture control system, floor coverings can be installed just 7 days after the slab is poured.
Concrete coursework covers three broad areas: concrete materials science (mix design, testing, quality control, troubleshooting, etc.), concrete construction technology and techniques (placement and finishing operations, use of new products, etc.), and applied project, production, and sales/marketing management for the concrete industry (ready ...
Clark Construction, also referred to as Clark Construction Group, LLC, is a construction firm headquartered in McLean, Virginia, [1] and founded in 1906. The company had 2018 annual revenue of more than $5 billion, [ 2 ] and is one of the largest commercial and civil contractors in the country. [ 2 ]
A falling weight deflectometer (FWD) is a testing device used by civil engineers to evaluate the physical properties of pavement in highways, local roads, airport pavements, harbor areas, railway tracks and elsewhere. The data acquired from FWDs is primarily used to estimate pavement structural capacity, to facilitate overlay design or ...
Pile integrity testing using low-strain tests such as the TDR (Transient Dynamic Response) method, is a rapid way of assessing the continuity and integrity of concrete piled foundations. The test measures: pile length, or depth to anomalies; pile head stiffness; pile shaft mobility, which is dependent on pile section and concrete properties
A pilot hole may be drilled the full extent of the final hole, or may only be a portion of the final depth. The pilot drill may be a standard twist drill, another type of drill bit appropriate for the material, or, when the primary purpose is precisely locating a hole, may be made with a short, stiff center drill.
The test hammer hits the concrete at a defined energy. Its rebound is dependent on the hardness of the concrete and is measured by the test equipment. By reference to a conversion chart, the rebound value can be used to determine the concrete's compressive strength. When conducting the test, the hammer should be held at right angles to the ...
CTLGroup provides highly specialized creep and shrinkage testing for supertall buildings. As construction projects rise above 984 feet, which is the minimum for supertall classification, precise calculations for creep and shrinkage become absolutely crucial.
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