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Concrete is a no-no for fence posts | National Columns ...

That is preposterous! As a fence contractor for over 30 years concrete makes for the strongest fences. Gravel...Post rot can not occur below grade because there is no oxygen one of the elements ...

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Get Help With Pouring Concrete - Networx

Help with pouring concrete is critical during this stage, as it needs to be handled and spread quickly. For large projects, it may be necessary to use a tool called a concrete vibrator to shake the concrete, eliminating air bubbles and pockets that could weaken it.

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Top 10 Tips for Pouring Concrete in Your Own Yard ...

Home Articles Concrete Top 10 Tips for Pouring Concrete in Your Own Yard Concrete is a durable, cost effective way to create a level surface. Whether for a walkway, patio or simply a concrete pad, this is a great option for your yard.

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Sand under slab instead of gravel - GreenBuildingTalk ...

Mar 04, 2013 · Sand has a much higher capillary draw than gravel, and can seep into & fill perforated drain pipes, etc. Directing roof drains well away from the house is the first line of defense, but I personally wouldn't feel right about not having perimeter drain at the footing as well, even with sand that seems to drain well on it's own.

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How does rain affect freshly poured concrete?- Grenada ...

Q We've recently had our driveway concreted by a building contractor, while they were smoothing off the concrete, rain began to fall and it rained for several minutes, we covered what we could but the concrete still got wet. The contractor were able to finish (floating and edging), but I am really concerned as to how does rain affect freshly poured concrete and will it cause problems to the ...

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What is the maximum pouring height for a long column to be ...

From first hand experience we recently poured an approximately 12.5m high column in "one shot" for a bridge deck. As others mention in their answers you can only drop concrete 1.5m so you need a tremie pipe arrangement to place the concrete direct...

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r/Concrete - Advice on pouring driveway in sections.

How thick will you be pouring? Have you done a volume calculation on what you need for concrete? 2 bags of concrete almost make one cubic foot. If you were to pour a 4" slab you would need about 2 bags for every 3 sqft. If your driveway is 16' x 20' you would have 320 sqft so you would need a little over 200 bags of ready mix concrete.

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Get Help With Pouring Concrete - Networx

Help with pouring concrete is critical during this stage, as it needs to be handled and spread quickly. For large projects, it may be necessary to use a tool called a concrete vibrator to shake the concrete, eliminating air bubbles and pockets that could weaken it.

Get Price

12 Types of Concrete Mixers Used in Home Improvement and ...

If you need to pour or put in concrete, there are several types of concrete mixers you can use depending on the type of concrete job it is. ... Additionally, workers are prone to mix concrete poorly and, in many cases, end up over-mixing it. Hence, it is advisable to use machine mixers to mix concrete .

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Concrete is a no-no for fence posts | National Columns ...

That is preposterous! As a fence contractor for over 30 years concrete makes for the strongest fences. Gravel...Post rot can not occur below grade because there is no oxygen one of the elements ...

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How to Pour a Concrete Slab for Beginners DIY - YouTube

Click to view6:52

Jul 30, 2017 · In this video we show you how to pour your basic 16 x 12 Concrete Slab! We go over all the necessary steps for your concrete slab to come out perfect! We show you how to form the slab, put rebar ...

How to Repair Cracks and Resurface a Concrete Driveway ...

I need to pour a small addition of concrete (3′ x 4′) on the side of my driveway. I plan to dig away the grass and dirt, and frame it in before pouring the concrete. My question: How deep do you recommend and do you recommend packing it first with gravel or sand — or both. Any particular concrete you recommend? Thank you.

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Can I Use Quick-Set Concrete in the Rain? | Hunker

Keeping quick-set concrete completely dry right up to the point of use is crucial to the successful mixing of the concrete, so it is not advisable to use it in the rain. Storage While quick-set concrete is still in the bag, moisture can leak into it and cause it to clump.

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How to Seal Concrete - lowes

Try this quick test: Pour a large cup of water onto the concrete. If the water beads up and stays on the surface, it's been previously sealed. If it soaks into the concrete quickly, it hasn't been sealed. There are a couple of different removal methods. Sandblasting is an option, but unless you're experienced with using the equipment, it's not ...

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Guidelines for installing concrete sign foundations

When pouring concrete, cement-truck operators must carefully regulate the concrete flow and positioning of their delivery chute. Because concrete is quite heavy, it can easily push forms and reinforcing steel askew. To avoid this, ensure that the truck operator distributes the wet concrete carefully and evenly as the excavation is filled.

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Cold Weather Concrete Pouring - For Construction Pros

Oct 01, 2004 · For many contractors, pouring concrete in cold weather is a nerve-wracking experience -— so much so, that they shorten their construction season to avoid problems associated with cold pouring ...

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How to Repair Cracks and Resurface a Concrete Driveway ...

Click to view2:57

I need to pour a small addition of concrete (3′ x 4′) on the side of my driveway. I plan to dig away the grass and dirt, and frame it in before pouring the concrete. My question: How deep do you recommend and do you recommend packing it first with gravel or sand — or both. Any particular concrete .

Myths and misconceptions about concrete and water

Myths and misconceptions about concrete and water. A comment from a reader: ... Concrete needs a very specific water content for a few hours until it "sets" -- which means that it gets hard enough that more water or rain will not wash it away. Then it needs to stay moist for a minimum of 3 days to obtain its minimum acceptable strength.

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The Best Way to Add Concrete to Existing Concrete - wikiHow

Sep 18, 2011 · How to Add Concrete to Existing Concrete. No matter how strong a slab of concrete seems, it will wear out over time. Imperfections form when concrete hardens or sinks into the ground. Adding fresh concrete is a common way to level out old...

Can You Pour Concrete in the Rain? | Reference

It is not advisable to pour concrete in the rain because it is possible that the rain can wash some of the cement out of the concrete. This can make the surface weak and potentially cause problems in the future, such as surface scaling.

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Quality Concrete Slab Design - gpsinformation

Concrete should NOT be poured during freezing weather unless special precautions are taken. If possible, have an independent expert watch the pour to insure that good quality concrete is poured and that the crew adds NO water to the specified mix which would bring the slump above 4 ABSOLUTE MAXIMUM. For best results, insure that you get nominal ...

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