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Traditionally, pervious concrete has been promoted to be a mix with 15 percent to 25 percent void structure. Our industry has accepted these values due to the balance of hydrological and engineering properties.
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QUESTION: We have a project where the contractor is constantly complaining we are shorting them on concrete. We have checked yield several times during placements and came up with good results. What should we do next?
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Changes have occurred in testing floor dryness.
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We are involved in a dispute on the quality of a decorative slab for which we supplied concrete last fall. The project appears to be fine, but one set of test cylinders failed to meet compressive strength requirements.
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Ten more noteworthy influencers who have a significant impact on our industry.
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A little more than a year ago, ASTM International Committee C09 on Concrete and Concrete Aggregates approved a new standard to help increase the use of fibers in concrete construction. The standard facilitates post-crack performance measurement for fiber-reinforced concrete for slabs-on-grade...