how hard does crushed concrete set

  • Crushed Concrete Driveway For the Farm - A Cheaper ...

    2019-12-24  Every driveway needs maintenance no matter what material you use but you are right, the crushed concrete packs much better than gravel. I don’t care too much for the look of the gravel, crushed concrete looks great in my opinion, but yes, there is a bit of

  • WILL CRUSHED CONCRETE HARDEN AGAIN? Yahoo

    2014-7-25  WILL CRUSHED CONCRETE HARDEN AGAIN? IF USED AS FILL FOR STEPPING STONES AND WATERED FOR COMPACTION ... Relevance. Redneck Texan. Lv 7. 5 years ago. If you add some more Portland cement then the crushed concrete will harden. The crushed concrete will be the same as stone and sand. 0 0 0. Dash. Lv 7. 5 years ago. No it will not get hard like ...

  • Crushed Concrete Aggregate Concrete Construction

    2011-6-30  • CCA concrete has an initial set time that is a little faster, so there is less time between placing and finishing. ... of both demolition concrete and returned concrete placed in “windrows” by ready-mix trucks and allowed to get hard. The concrete then is crushed and passed through a screening operation to produce the proper-sized ...

  • Recycled concrete vs. crushed run gravel? - RIDGID

    Re: Recycled concrete vs. crushed run gravel? Best way to smooth it out and compact it at the same time is a large vibrating drum roller. The crush run needs to be wet when installed, after compacting and drying it will be hard as concrete. Never have worked with crushed concrete before.

  • Why Does Cement Set? - science IQ

    Why Does Cement Set? Concrete has been known for literally thousands of years. It is a testament to the enduring strength of this material that concrete structures

  • Use of Crushed Gravel as a Driveway Material

    With crushed gravel driveways, a base with good drainage is important, so make sure the individual installing your crushed gravel driveway pays attention to it, or you could be in for problems. Nonetheless, crushed gravel driveways do generally require less repair or maintenance jobs for you.

  • How Much Does Crushed Concrete Cost?

    2019-12-13  How much does crushed concrete cost? On average, the cost of crushed concrete will depend on the type of concrete that is purchased, the market conditions, and where you purchase it. Most companies are going to either charge by the yard or by the ton. When crushed concrete is charged by the ton, the price can vary anywhere from $6 to $14 per ...

  • Crushed concrete on driveway? Yahoo Answers

    2011-3-18  Every spring I run into the problem of a dirt driveway that turns to mud. The mud can get as deep as 2-3 feet deep. Luckily I have a 4 wheat drive truck. But not everyone does. I have been told that putting crushed concrete is a good and cheap way to take care of this situation. My driveway is about 400 feet long. Is there anything I could use with the crushed concrete to take better care of ...

  • Crushed Concrete for Driveways Patios

    Recycled Concrete is Less Expensive. Many people search for affordable construction materials to use for their projects. Crushed concrete is much less expensive than the most affordable structural fillers, including new concrete. This is because the entire recycling process implies very low collection, transportation and processing fees.

  • Strength and stiffness of compacted crushed concrete ...

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  • Concrete: Scientific Principles

    2007-8-3  The properties of this hardened cement paste, called binder, control the properties of the concrete. It is the inclusion of water (hydration) into the product that causes concrete to set, stiffen, and become hard. Once set, concrete continues to harden (cure) and become stronger for a long period of time, often up to several years.

  • Strength and stiffness of compacted crushed concrete ...

    A comprehensive series of drained triaxial compression tests were performed on crushed concrete aggregate (CCA) moist as compacted. When compared to ordinary natural well-graded gravelly soils, the peak strength and stiffness increase more significantly with dry density, while the effect of the degree of saturation during compaction is much less significant.

  • Ways to Recycle and Reuse Concrete

    After the concrete is broken up, it is usually run through a secondary impactor and is then screened to remove dirt and particles and to separate the large and small aggregate. Additional processes and equipment, such as water flotation, separators, and magnets, may also be used to remove specific elements from the crushed concrete.

  • Do I Need to Lay Gravel Before Pavers? Hunker

    Repurposing a plain concrete slab as a foundation saves you the trouble of removing the concrete and results in a strong, long-lasting base. Check the condition of the concrete prior, and patch any pits or cracks. Set the pavers over a 1-inch layer of grit sand or 1/2

  • 3 Ways to Reinforce Concrete - wikiHow

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  • FAQ - Sunrise Structures

    Crushed concrete allows for good drainage underneath and packs together well for a good, hard, and long lasting pad. Crushed concrete also contains chemical compounds that are offensive to animals, discouraging them from trying to build a home beneath your structure. Without the Crushed Concrete you run a greater risk of animals digging under ...

  • CONCRETE - Boral

    2017-10-6  Although freshly mixed concrete remains plastic for only a short time, its properties are important because they affect the quality and cost of the hardened concrete. Concrete with suitable plastic consistency (medium slump) does not crumble as it is discharged, but flows without segregation of coarse aggregate from the finer material.

  • crushed limestone and how do you set the edge

    What Does Crushed Limestone Do. Crushed Limestone and how do you set the edge restraint 路 Wow - you use crushed limestone instead of sand! I can see where it would have better compaction properties than sand. Do you sweep sand in from the top after compacting the pavers down into the. read more

  • How To Harden Crushed Limestone - intramed-c2c.eu

    Apr 14, 2013 Effect of Crushed Limestone Fines on Strength of Mortar and . sand or cement replacements on fresh and hardened mortar and concrete have The objective of this paper is to study the effect of crushed limestone fines READ MORE; does crushed limestone harden . does crushed limestone with fines harden Mining.

  • Concrete - Wikipedia

      中文网页

    2019-12-19  Concrete is used to create hard surfaces that contribute to surface runoff, which can cause heavy soil erosion, water pollution, and flooding, but conversely can be used to divert, dam, and control flooding. Concrete dust released by building demolition and natural disasters can be a major source of dangerous air pollution.

  • crushed limestone and how do you set the edge

    What Does Crushed Limestone Do. Crushed Limestone and how do you set the edge restraint 路 Wow - you use crushed limestone instead of sand! I can see where it would have better compaction properties than sand. Do you sweep sand in from the top after compacting the pavers down into the. read more

  • How To Harden Crushed Limestone - intramed-c2c.eu

    Apr 14, 2013 Effect of Crushed Limestone Fines on Strength of Mortar and . sand or cement replacements on fresh and hardened mortar and concrete have The objective of this paper is to study the effect of crushed limestone fines READ MORE; does crushed limestone harden . does crushed limestone with fines harden Mining.

  • Concrete - Wikipedia

      中文网页

    2019-12-19  Concrete is a composite material composed of fine and coarse aggregate bonded together with a fluid cement (cement paste) that hardens over time—most frequently in the past a lime-based cement binder, such as lime putty, but sometimes with other hydraulic cements, such as a calcium aluminate cement or with Portland cement to form Portland cement concrete (for its visual

  • Rain's Effect on Fresh Concrete Concrete Construction ...

    2004-1-1  Q.: We had a concrete patio placed. About 3 hours after it was placed, it began to rain and continued to rain for 2 hours. Will that compromise the integrity of the concrete with respect to strength, durability, and so on, over the long term? A.: To provide a more definitive answer, we would have to ...

  • crushed concrete question - TractorByNet

    2007-4-8  Have chain harrow that I use to touch-up crushed concrete drive. A. Does a very good job of keeping growing things out of drive. B. Defines edges very neatly. C.helps some with low spots. I can do 300 plus foot of drive plus parking pads in less than ten min with old riding mower.

  • Using Recycled Concrete Aggregates in Portland Cement ...

    2000-7-25  This packet provides information about how and why to use crushed concrete in various road construction applications. Research SummaryUsing Recycled Concrete Aggregates in Portland Cement Pavement Case Study #1 Crushing Railroad Ballast for Use as

  • How Many Cubic Yards In A Ton Of Crushed

    Answer (1 of 6): A conversion of one tonne of crushed concrete into cubic yards returns a total of 0.65 cubic yards.Concrete is a compound of cement mixed with gravel or rocks and water. This mixture sets and hardens and is used for setting things like fence posts in place. Crushed concrete is exactly what you'd think it is; concrete that has been broken up and can be used for creating a sub ...

  • what to harden crushed stone - Mining

    2013-3-12  what to harden crushed stone – Grinding Mill China. How to Make a Crushed-Stone Patio A crushed-stone patio provides a casual outdoor area for relaxing and sharing family meals. Set a sheet of weed »More detailed

  • flagstone patio on crushed stone - Ask the Builder

    2005-7-14  QA / Flagstone Patio on Crushed Stone Outdoor Patio text: Tim Carter. DEAR TIM: I intend to install a flagstone patio in the very near future and have been told I can place it on compacted crushed limestone that contains screenings. What are screenings and will this method work? The person giving the advice said the crushed limestone beneath the flagstones would eventually harden like concrete.

  • Can I still use hardened bags of Quikrete cement to

    2012-6-10  I have about 2 doz. bags of Quikrete cement that have been sitting in my garage and have become hard in the bags. So in essence I have about 24 Quikrete brick bags sitting in the garage. Are they any good? Is there a process in which I could still use them to mix cement?

  • Can I still use hardened bags of Quikrete cement to

    2012-6-10  I have about 2 doz. bags of Quikrete cement that have been sitting in my garage and have become hard in the bags. So in essence I have about 24 Quikrete brick bags sitting in the garage. Are they any good? Is there a process in which I could still use them to mix cement?

  • what to harden crushed stone - Mining

    2013-3-12  what to harden crushed stone – Grinding Mill China. How to Make a Crushed-Stone Patio A crushed-stone patio provides a casual outdoor area for relaxing and sharing family meals. Set a sheet of weed »More detailed

  • How Much Does Crushed Stone or Gravel Cost? -

    Crushed Concrete Prices. Crushed concrete costs $11 to $53 per ton, around $16 to $75 per cubic yard, and $1 to $3 per cubic foot, with prices depending on the quantity. Leftover concrete and broken asphalt get crushed and recycled, which is a cheaper and more eco-friendly solution for gravel driveways.

  • How to Lay a Crushed Limestone Driveway Home

    2 天前  Easy access to your home always improves its value. The grayish-white color of crushed limestone allows it to enhance any landscape. A limestone driveway may be a more affordable option ...

  • Crushed Stone vs Gravel Driveway: Prices, Sizes Uses

    Crushed Stone. Many types of crushed stone are selected for use in driveways because of very specific properties, whether they be decorative or functional. Those who are interested in creating a unique and sparkling crushed stone driveway, for example, might opt to go with a crushed

  • V Concrete Construction - Frequently Asked Questions

    2014-5-8  How long does it take for concrete to get hard? Concrete will take an initial set in generally 2-3 hours depending on the air temperature, amount and type of cement in the mix and several other environmental conditions. We recommend that you stay off freshly placed concrete, as much as possible, during the first 3 days.

  • Does Crushed Limestone Harden With Water

    Does Crushed Limestone Harden With Water. does crushed limestone harden with water How to lay a crushed limestone driveway the grayishwhite color of crushed limestone allows it to enhance any landscape a limestone driveway may be a more affordable option especially if you have a long driveway as it is less expensive to build than an asphalt or concrete one as you build a

  • crush old concrete at home - greenrevolution.org

    Should I set fence posts in dirt, gravel, crushed rock, or concrete? - Home... He suggested crushed rock (what I would call gravel, see Definitions of various sand, gravel, and rock products) instead.I pull out old posts that have been set with concrete all the time and as far as I'm concerned I would set the post right back into concrete.

  • How to Use and Install Soil-Cement

    Soil-cement is a mixture of Portland cement, natural soil, and water used to form a hard, semi-rigid paving surface.It is most often used in highways or as a sub-base for asphalt or other forms of paving, but it can also be used as a cheap stand-alone paving surface for driveways, sidewalks, patios, or garage floors.

  • Mortar (masonry) - Wikipedia

      中文网页

    2019-12-15  Mortar is a workable paste which dries to bind building blocks such as stones, bricks, and concrete masonry units, to fill and seal the irregular gaps between them, and sometimes to add decorative colors or patterns to masonry walls. In its broadest sense, mortar includes pitch, asphalt, and soft mud or clay, as used between mud bricks.The word "mortar" comes from Latin mortarium meaning crushed.

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