How Small Should Concrete Be Crushed

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  • Crushed Limestone Driveways: Our Installation Guide

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    If you're working with concrete, you may have read that you should place crushed stone underneath. But why? Find out if it's really necessary in this post.

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  • Aggregates for Concrete

    May 09, 2011· Can I use 3/4" (crushed/angular) gravel under a concrete pad? The pad is 5x5ft. I'll pour 6" concrete over 6" of ??. I'm using #3 rebar. I have a lot of this gravel, and also unsorted

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  • Crushed Stone Under Concrete: Why It's Needed

    Concrete - Wikipedia, the free encyclopedia. Concrete is a composite material composed mainly of water, aggregate, and cement Often, additives and reinforcements are included in the mixture to achieve the desired physical properties of the finished material When these ingredients are mixed together, they form a fluid mass that is …

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    Learn why to set fence posts in concrete versus gravel. ... Use crushed gravel to set the posts. Pour 5 in. of gravel in the hole around the posts and tamp it down.

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