Bleeding

The Jobs Quandary
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The Jobs Quandary

Like other industries, adding ready-mix jobs is years away. More

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Glendale Park & Ride / Glendale, Ariz.
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How Do De-icing Materials Affect Concrete?
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Lather, Rinse, Repeat

Spending on equipment washing technology is a smart investment. More

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Terms of Treatment

New water treatment glossary standardizes educational effort. More

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Dirty Work

Cleaning concrete from your equipment and vehicles is unpleasant work. Fortunately, there are a number of products, tools, and services designed to make that job easier, or take it off your to-do list completely. Following are some truck and drum cleaning products and services. More

Building Gardens, Not Walls
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Building Gardens, Not Walls

People who work with concrete, especially those who have worked with it for many... More

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Silica Fume's Advantages

As a producer, I would like to learn more about adding silica fume to my mix. What are its effects and where can I get more information? More

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What Caused Non-Bonding?

I have a customer who tore out a slab with delamination problems. He subsequently found some sections where the #4 bar had not bonded to the concrete at all. Naturally, he is assuming the concrete is "bad." Besides oil and rust what other reasons can explain the lack of concrete-to-reinforcing-steel bonding? More

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Concrete Temperature and SCC

One question recently posed on Aggregate Research Inc.Æs Industry Forum (www.aggregateresearch.com/forum) drew a number of interesting and important answers that may help you this season. The questioner wrote: ôIÆve noticed that a variation in ambient temperature can have a big effect on the workability of self-consolidating concrete [(SCC)]. IÆve found that when my materials are 75û80¦ F, itÆs best for both flow and reduction of bleed. Is anyone else dealing with this?ö More

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