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Can I Use Crushed Cement That Is Gone Hard, Can i use crushed cement that is gone hard crusherasia 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 Can I Use Crushed Cement That Is Gone Hard
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Aug 20 2008 stay away from portland cement in the mix it tends to spall at elevated temperatures anyway i would not use this mixture for temperatures much greater than 500f without a lot of testing you might also talk with some pottery people about using thick slip as the binder for your crushed
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Decorative stones such as quartzite small river pebbles or crushed glass are sometimes added to the surface of concrete for a decorative exposed aggregate finish i live near the pacific coast and use crushed glass that has been submerged on the beach in a nylon bag with a little bit of sand
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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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Jun 10 2012 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
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Jun 14 2020 every driveway needs maintenance no matter what material you use but you are right the crushed concrete packs much better than gravel i dont 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 isnt rain for a long period of time
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What shape is the gravel go look at railroad ballast you want that stuff aka crushed stone very jaggy and will interlock when tamped down very hard to shovel for that reason you want a smaller size though any sort of round or halfround pea gravel type stuff has to go get a loader shovel it outta there save it for aggregate for
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Crushed gravel driveways are commonly you can use sawdust the same way you would use kitty litter go sweep the dry cement up and the stain should be gone earthworkgrading engineering using recycled concrete and
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Nov 14 2009 when not in use the cement bag should be stored properly to prevent it from getting wet as soon as moisture enters the cement bag the chemical bonding begins making it useless for mixing concrete there are a few different ways in which to store your bags of cement the best way to store cement bags is in the garage or shed
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Decorative stones such as quartzite small river pebbles or crushed glass are sometimes added to the surface of concrete for a decorative exposed aggregate finish i live near the pacific coast and use crushed glass that has been submerged on the beach in a nylon bag with a little bit of sand
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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 specification 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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Dec 14 2009 concrete does go off over a year old unlikely to use it i always store it off the floor or concrete floor seems to make a difference if placing in a hole would not be too worried had a few lumps in bags over the years but in the mixer often breaks down
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Mar 30 2008 if the cement has been kept unopened very dry and hasnt gone hard it might still be ok to use but you should always wear suitable waterproof gloves and other ppe when handling cement to prevent alkali burns and dermatitis anyway you might think it was dry but it might not have been dry enough cement reacts with moisture and hydrates via
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May 25 2008 can old bags of cement that has gone hard in its original bag be used in a sandcement mix im renovating an old house and want to use the cement i have about 6 bags to build short peirs for a verandah it can however be re crushed and used as filler or a baselike you would use small rocks for drainage 0 1 0 log in to reply to the
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For starters choosing crushed concrete is environmentally responsible as it reduces waste in our landfills and the use of raw materials crushed concrete is cheaper than crushed stone but is also just as durable and because the material can be purposed for such a large variety of projects nearly everyone can enjoy the advantages of crushed
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Nov 14 2009 when not in use the cement bag should be stored properly to prevent it from getting wet as soon as moisture enters the cement bag the chemical bonding begins making it useless for mixing concrete there are a few different ways in which to store your bags of cement the best way to store cement bags is in the garage or shed
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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 specification 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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Jan 07 2019 landscaping mulch when properly crushed and well sorted ground concrete can replace river rock or other gravels used as ground covers and mulch fill for wire gabions wire cages gabions filled with crushed gravel can make decorative
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Can i use crushed cement that is gone hard crusherasia 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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Jul 29 2019 crushed concrete is made up of asphalt debris from other construction projects that can be reused to create driveways pathways garden beds and more when any concrete structure road sidewalk or parking lot is demolished that concrete is usually deposited in a landfill
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If the concrete in bag is really rock hard after getting wet you are in luck it can be crushed easily with hammer and you would recover cost of that bag in ordinary household repairs by mixing that as an aggregate in 3 bags of fresh concrete t
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We work hard to ensure that our recycled concrete is crushed and screened carefully for consistent sizing and for the removal of any foreign or hazardous matter the end result is a strong reliable and safe material that can be used to meet your projects unique demands
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Mar 21 2018 while sand is the most common aggregate used to create concrete you can also mix cement with gravel crushed stone or even pieces of old concrete the key to success will be the ratio of the mixture the basic equation for making concrete is 60 to 75 percent aggregate material sand or the other aggregates mentioned mixed with 10 to 15
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Oct 12 2006 as others say use rb id go recycled rb but ask for equivelent to rgb 20 make it 75mm thick and compact it to 50mm better still go 100 down to 75mm if you can excavate another 25mm crushed bluemetal crusher dust is ok as a substitute for yor paving sand but not for the rb as it doesnt have the full scale gap gradient particle sizes
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Sep 02 2007 it hadnt hardened into a cement hard stucco finish instead it was like a rough powder and with every touch it turned to dust and fell off the wall as far as i know it cant go bad as
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If it was poured by water then you cannot do anything about it unless its only hard on top but inner parts are still in its powder form then all you have to do is to chisel the hard part and extract the powder or crush the hard cement with the h
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Mar 07 2009 its so hard and strong you car drive on it without cracking its 100 feet long and has zero cracks so i think your idea will work well except for the mixing with dirt part just use 100 cement powder and spray repeat spraying every day for 34 days to make sure that the moisture penetrates the entire laying of cement
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Apart from sand actually you can use lots of other aggregates suitable enough to work just as good as sand that include crushed stone gravel and chunks of old concrete however the most important part when you are mixing cement either using sand or without is the ratio of the components that you are using
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