can i use crushed cement that is gone hard

How to Use Hardened Concrete in a Sack Hunker

Moisture may enter cement sacks if the sacks are improperly stored. Hardened cement or concrete in a sack cannot be used for its original purpose, but there are several ways to salvage the material for new projects. The range of use depends on whether only the outside layer or the entire sack is hardened.

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How Much Base Material Do I Need for Walkways, Patios and

How Much Base Material Do I Need? Deciding the correct amount of walkway base material is actually quite simple. For sidewalks and patios or any other light duty areas you will only need a 4 inch base of 3/4 inch quarry process or RCA beneath a 1 inch layer of concrete sand.

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Use Crushed Concrete Products in LRRB

4. Title and Subtitle USE OF CRUSHED CONCRETE PRODUCTS IN MINNESOTA PAVEMENT F01JNDATIONS Mark B. Snyder, Consulting Engineering 1216 Driving Park Road Stilllwater, MN 55082371 8 11. Contrac.t (C)i or Grant (G) No. 12. Sponsoring Organization Name and Address 13. Type of Report and Period Covered

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Barn / Shop Floor Gravel? AnandTech Forums: Technology

Mar 13, 2013 · We want to use the barn as a antiques/furniture shop. Nothing super fancy though. Just Craigslist type of stuff for now. I am thinking about digging it out and putting down crushed limestone gravel, so it packs well. I don''t want to do concrete because of the expense and it is overkill. Any of you have a crushed limestone floor in a building?

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MOT Type 1 Crushed Concrete Aggregate Axtell

The "SHW". Type 1 can also be constructed of other hard inert materials, slag or rocks, such as Limestone, Granite or Gritsone. When should I use MOT Type 1 Crushed Concrete. MOT Type 1 Crushed Concrete is by its very nature a Type 1 SHW certified product for use as a high quality fill or subbase material, often in the construction of

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The Uses of Hydraulic Cement and How to Apply

Blend at relatively low speed and be sure to blend only a small amount of cement that can be placed within working time. Start applying the hydraulic cement at the top of the crack making your way down. Press firmly the paste into place, maintaining the same amount of pressure until the cement begins to harden and the leak is stopped.

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Compact Fill Under Slab Ask the Builder

Concrete bends and breaks Use selfcompacting fill Water helps compact Concrete block ledges on footer CLICK HERE to Get Tim''s FREE & FUNNY Newsletter! DEAR TIM: My new home is under construction. I''m in a disagreement with my builder about what''s going

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Using Recycled Concrete Aggregates in Portland Cement

Crushed Concrete January Concrete from roads, pavements, airfield runways, buildings, and other sources can be crushed for reuse. After crushing, magnets remove the steel rebar and the resulting aggregates are screened according to planned use. The crushed concrete produces hard, granular aggregates composed of inert mineral

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How Much Does Crushed Concrete Cost? HowMuchIsIt.org

Aug 15, 2018 · 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

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All About Concrete Pavers This Old House

Where can they go? They''re all suitable for footpaths and patios, but, in general, only interlocking pavers work on driveways. Where rain runoff is a problem, use permeable pavers. Easy to care for? Absolutely—they''re concrete. An occasional sweeping and weeding is all the care pavers ever need.

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Flagstone Patio on Crushed Stone Ask the Builder

Q&A / 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.

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Can old bags of cement that has gone hard in its original

May 25, 2008 · Can old bags of cement that has gone hard in its original bag be used in a sand/cement mix? This happened to me a while ago with a bag of concrete, I opened the bag got my hammer & crushed it to almost powder again then mix it with water & worked fine. I needed it for fence posts 6 months still looks good.

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Can you pour concrete over river rock? Will it hold up

Aug 28, 2015 · Then once you have it all prepared and ready to pour. Make sure you tell the concrete company what your base is and they will make sure the mix of water to concrete is correct. If your asking how I know. When we had to have our ramps built, we used old concrete as a filler in the bottom with river rock to sand going around it all.

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How to Create a LowMaintenance, AllGravel Driveway

Step Two // How to Create a LowMaintenance, AllGravel Driveway. Dump the Stone. Other colors and types, including crushed stone, can also be used, as long as the stone is washed and screened to ⅜ inch or less. Gravel, concrete, or brick? The choice affects aethetics as

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can i use crushed cement that is gone hard crusherasia.com

Crushed concrete as base Ground Trades Xchange a . I hope someone can ease my fears. We went the cheaper way and ordered crushed concrete for our brick paver base. it will dry hard as concrete.

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Barn / Shop Floor Gravel? AnandTech Forums: Technology

Mar 13, 2013 · We want to use the barn as a antiques/furniture shop. Nothing super fancy though. Just Craigslist type of stuff for now. I am thinking about digging it out and putting down crushed limestone gravel, so it packs well. I don''t want to do concrete because of the expense and it is overkill. Any of you have a crushed limestone floor in a building?

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How to Crush Concrete Slabs Into Stone Sized Pieces eHow

If a building is being demolished or renovated, it is likely that a concrete floor slab will need to be broken up. It will need to be crushed into small pieces, which are easy to carry and could be reused elsewhere beneath roads, footpaths or driveways.

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SelfCompacting 3/4" stone JLCOnline Forums

Apr 29, 2003 · SelfCompacting 3/4" stone 04262003, 05:17 AM. I have a question about 3/4" crushed stone. I read several places that 3/4" crushed stone is "selfcompacting". That is, you dump it in a trech (as in under a concrete footing or floor) and you don''t have to compact it with a plate compactor it is already as "compacted" as it needs to be. Can

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Can I Use An Old Bag Of Cement? Renovate Forum

Dec 14, 2009 · I''ve got an opened bag of cement must be about three or four months old now. It has spoiled the loose stuff has turned into little balls and the bulk of it feels very hard to the touch. I guess I shouldn''t use it for making concrete but I wondered if there''s any use I could put it to?

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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, longlasting base. Check the condition of the concrete prior, and patch any pits or cracks. Set the pavers over a 1inch layer of grit sand or 1/2 inch of mortar, and use

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How can you use the cement, that has gone hard in its

Nov 14, 2009 · Best Answer: You can use it as a large, rounded brick, or as a relatively stable landfill, or as a rock for a breakwater or levee. Or you can bring it to a facility that crushes used concrete from demolished buildings and roads to use for new construction.

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Crushed Stone vs. Quarry Process vs. Stone Dust

Stone dust, also known as stone screenings, is the finest of the types of crushed stone. Although it is made from the same type of stone as the other two types, it is crushed into a powder. When used by itself stone dust forms a hard surface that is water resistant. When used with a larger stone it

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Aggregates cement.org

Crushed aggregate is produced by crushing quarry rock, boulders, cobbles, or largesize gravel. Recycled concrete is a viable source of aggregate and has been satisfactorily used in granular subbases, soilcement, and in new concrete. After harvesting, aggregate is processed: crushed, screened, and washed to obtain proper cleanliness and gradation.

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Can I use the crushed remains of an old concrete slab as a

Can I use the crushed remains of an old concrete slab as a base for a new slab? Ask Question Asked 3 years, 1 month ago. Active 3 years, 1 month ago. Viewed 2k times 5. I have recently broke up my old concrete shed base which was 100mm thick, I also have quite a lot of gravel. The broke up shed base is quite large chunks of concrete so could I

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Crushed Concrete Aggregate Concrete Construction Magazine

Jun 30, 2011 · For the purpose of this article the term crushed concrete aggregate (CCA) is defined as returned concrete and recycled concrete aggregate clean enough to be used as aggregate for new concrete. Recycled concrete aggregate (RCA) refers to crushed concrete and other materials suitable for use as fill and compactible fill.

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How To Recycle Clay potterymakinginfo.com

This can create a more uniform mixture without hard or soft spots. To mix the clay you can use anything from a stick (19) to an electric drill with a mixing attachment (7, 15, 24) such as a jiffy mixer (6). If you have lumps you can also add a little water or mix small amounts with a hand blender (24).

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Crushed Concrete Driveway For the Farm A Cheaper

Jun 22, 2015 · 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 dust in the summer if there isn''t rain for a long period of time.

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Can I still use hardened bags of Quikrete cement to make

Jun 10, 2012 · Can I still use hardened bags of Quikrete cement to make cement or are they no longer viable for cement making? 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

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Adding Cement Mix to Gravel Driveway Hunker

The kind of cement used to lay over gravel is important as well. Typically, most cement driveway projects use a mixture of Portland cement, sand and water. Make sure to follow the specifiion "ASTM C94" by the American Standards for Testing and Materials. This guide will show what kinds of cement are best in your area.

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Can you pour concrete over river rock? Will it hold up

Aug 28, 2015 · Then once you have it all prepared and ready to pour. Make sure you tell the concrete company what your base is and they will make sure the mix of water to concrete is correct. If your asking how I know. When we had to have our ramps built, we used old concrete as a filler in the bottom with river rock to sand going around it all.

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How can you use the cement, that has gone hard in its

Nov 14, 2009 · Best Answer: You can use it as a large, rounded brick, or as a relatively stable landfill, or as a rock for a breakwater or levee. Or you can bring it to a facility that crushes used concrete from demolished buildings and roads to use for new construction.

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Use of Crushed Gravel as a Driveway Material The Spruce

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.

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Can I Use An Old Bag Of Cement? Renovate Forum

Dec 14, 2009 · I''ve got an opened bag of cement must be about three or four months old now. It has spoiled the loose stuff has turned into little balls and the bulk of it feels very hard to the touch. I guess I shouldn''t use it for making concrete but I wondered if there''s any use I could put it to?

Get Price

Can you pour concrete over river rock? Will it hold up

Aug 28, 2015 · Then once you have it all prepared and ready to pour. Make sure you tell the concrete company what your base is and they will make sure the mix of water to concrete is correct. If your asking how I know. When we had to have our ramps built, we used old concrete as a filler in the bottom with river rock to sand going around it all.

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How to Lay a Crushed Limestone Driveway Home Guides

Go over this layer with a metal roller pulled behind the heavy equipment to pack the stones in place. 6 Top the driveway with a 4inch to 5inch inch layer of crushed #8 limestone.

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Uses For Crushed Concrete LawnSite

Mar 17, 2002 · I operated a recycling crusher plant for a year,and yes, these are all good uses for recycled concrete, brick, and asphalt. However, these items must be kept separate when recycled,or the resulting product is a mixture that is is very unattractive, nonconsistant and hard to find a use for.

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Mot type 1 Stone Aggregate. Crushed stone for patios

They use crushed recycled concrete, stone, bricks and other hard materials to make the hardcore base for use in subbase construction projects. Once these materials have been crushed up and graded, they can now be classified as being mot type 1 aggregates.

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Mixing concrete powder into the gravel driveway

Apr 15, 2005 · For soil cement the CRUSHED gravel should have poper mix of fines to larger pieces to make it as dense as possible. Add the proper amount of cement and water and mix well by some mechanical means, smooth to grade and pack it. The mix is not a slurry and is very hard to tell from damp gravel. A seal coat over the top will also help for longevity.

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How to Lay a Gravel Shed Foundation An Everyday

By using a wood frame, you can overcome a reasonable amount of slope. Closer to the Ground . Concrete piers, wood frame foundations, even concrete slabs can raise the floor height of your shed more than you want. Trust me, there is nothing worse than trying to get a lawn mower or other heavy items in and out of a shed that is sitting too high.

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