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Members of the Concrete Industry Management program's National Steering Committee visited the newest CIM location, Texas State University. The group toured concrete lab facilities at the Ingram School of Engineering, which include state-of-the-art testing equipment and a large moist curing room.
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Using real numbers to solve real problems.
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It seems that many of the field labs had performed gradation tests with worn sieves. While most differences were minor, they introduced a degree of unnecessary variability when combined. How can we can minimize our testing variables on these large projects?
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Q. The last few seasons we've had difficulty controlling our water demand and our yields due to the sand's variability in absorption and specific gravity. Our quality control problem is compounded because our stockpile area is rather small. So by the time the lab sends us the sample results, the...
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Q. We are involved in a quality claim in which the testing lab reports the hardened concrete did not achieve the specified design strength. Our testing lab broke cylinders from that same job and all achieved proper strength. We are confident that we will achieve proper strength if the coring is...
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Changes have occurred in testing floor dryness.