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What Size Crushed Stone Under Concrete Slab

Crushed stone 67 Sizes from 34 down to fine particles For fill road and slab base Crushed stone 1 Sizes are from 2 to 4 The largest of the crushed stone grades For larger jobs such a culvert ballast Crushed stone 8 Sizes from 38 to 12 For concrete and asphalt mix Crushed stone 3 Sizes from 12 to 2

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  • Understanding Crushed Stone Grades Ozinga Blog

    Aug 09 2016018332Crushed stone 5 includes stone that is 1 inch or smaller in size This material is perfect for road and paver base 8 Crushed stone 8 includes stone between 38 and 189 This is the most common stone used for concrete mixes 10 Crushed stone 10 is known as screenings or dust This material is used to create pavers and concrete

  • Crushed Stone or Crushed Concrete Modern House Plans

    Jun 30 2010018332Hey we can get crushed concrete for less than crushed stone lets use it Thats fine but you really have to think about where you are using it If you are talking about the layer of stone you lay below a slab on grade for your home then I think this is not a good place for crushed concrete

  • Subgrades amp Subbases for Concrete Slabs The Concrete

    Jul 31 2018018332Concrete strength also comes into play but most slab concrete is around 3000 to 4000 psi so its not a major factor The tensile strength of concrete is typically taken as 10 to 15 of the compressive strength so only about 400 or 500 psi

  • How much gravel under concrete TractorByNet

    Nov 26 2002018332For something like garage 8quot of compacted stone and 4quot of reinforced concrete would be a minimum and 12quot or stone and 6quot of concrete would hold just about anything This gravel has a wide gradation of material size including some clay fines Under proper compaction techniques ie When you are ready to pour your slab after a couple

  • gravel under concrete slab is it absolutely required

    Its about 375 cu yards of crete or like 400 It will cost 100 for gravel to fill in 2quot but my crete is still only a little cheaper and it will be a thinner slab I could put gravel in say 2quot and 35quot of concrete over that or just full 55quot of crete or I could do lot of gravel and a 2quot top coat over that with a bunch of steel and fibers

  • What base material under concrete slab

    Sep 11 2013018332Ive laid concrete slabs in the past and am about to do one for a 12 x 10 shed that Im building The plan is 3 12quot of concrete over a base material In the past Ive done this by pouring over several inches or depending on application of 34quot crushed stone that has been well compacted

  • Size Of Crushed Stone Under Concrete Slab

    What Size Crushed Stone Under Concrete Slab Ftmlie What Size Crushed Stone Under Concrete Slab When working with concrete slabs its important to take the appropriate steps to ensure that it lasts for many years to come In order to get the most use out of your concrete slabs you need to add a layer of crushed stone beneath it g crushed stone under concrete serves several purposes and can

  • What size aggregate should be used to make the concrete

    Question What size aggregate should be used to make the concrete for a 4 inch slab Top Answer 37 of 40 votes 34 inch crushed stone Answer 38 inch crushed stone

  • Ask the Builder Concrete slab needs quality self

    Feb 10 2015018332What type of stone would be best for filling a cavity under a planned twocar garage addition It is approximately 7 feet deep The local concrete supplier sells recycled concrete for a

  • what do you use under concrete

    Hi I am Mike Day owner of Days Concrete Floors Inc in Maine where Ive been working with concrete for 40 years now and this website is where I can share with you all the knowledge and wisdom Ive gained from installing all kinds of decorative concrete concrete floors concrete overlays stained concrete and also fixing cracked or spalled concrete

  • How Much Crushed Stone Do You Need A SureFire Formula

    Crushed stone is a material that is typically used as a base or underlayment upon which the stuff that actually shows for example the concrete of a patio will rest Guessing is rarely a good solution to such dilemmas when undertaking a big project so lets look at

  • Small Concrete Slab Crushing Machine

    What size crushed stone under concrete slabWhen working with concrete slabs its important to take the appropriate steps to ensure that it lasts for many years to come in order to get the most use out of your concrete slabs you need to add a layer of crushed stone beneath it g crushed stone under concrete serves several purposes and can provide the following benefits

  • crushed stone vs process under a concrete slab

    Crushed Stone Harmony Sand and Gravel Our crushed stone products are used for foundation combination amp French Drains seal coating driveways roads parking lots bedding under concrete slabs Harmony Sand amp Gravel Landscape Equipment and Supplies Concrete amp Stone Serving the Construction Industry since 1952

  • Aggregate Base Course Acme Sand amp Gravel

    Aggregate Base Course often referred simply as ABC has certain desirable properties Base Course in pavements refers to the sublayer material of an asphalt roadway and is placed directly on top of the undisturbed soil SubGrade so as to provide a foundation to support the top layers of the pavement It is typically made of a recipe of different sizes of aggregate rock inclusive of 1quot to

  • How important is gravel under a concrete sidewalk Home

    Oh and BTW roundedriver gravel is not best a CRUSHED rock product though same size as gravel typically 12quot or 34quot minus for this purpose is much better does not move around as much under load though under a sidewalk not anywhere as near important as under a driveway where rounded gravel can cause significant issues

  • Pea gravel or crushed rock Community

    May 07 2005018332The rigidity of crushed stone makes it an ideal base material to support concrete if you have cracking concerns But dont be fooled Your concrete will crack guaranteed But a good rigid and compacted base will keep the individual minicontinents from shifting The concrete doesnt need to adhere to the stone base there is no advantage to that

  • Does anybody use sand as a base before they pour concrete

    Otherwise what is under a slab depends on the ground you are pouring the slab on some soils dont need anything some need a lot of help From American Concrete Institute ACI360R10 Guide to Design of SlabsonGround 45 Design of Slabsupport system 451 General quotAfter subgrade soils have been classified the general range of K values can

  • why is it important to have gravel under a concrete slab

    Mar 24 2010018332If you are just pouring a Slab without footings it is very important that you have firmly packed gravel 46quot and then about 6quot of 34 stone the 34 stone will allow the slab to float and move rather than crack when the gravel shifts

  • Building Site Preparation Installation of Stone Base

    Preparation of a Stone Base for Concrete Slab When preparing your site for a concrete slab you need to spread about 4quot of 34quot clean stone on top of your existing and properly prepared stone base subbase Then again level the stone and compact it Set up your concrete form and put a wire mesh in place slightly elevating it above your stone

  • FirstTimers Guide to Pouring a Concrete Patio The

    Aug 28 2020018332Add crushed stone Shovel in and level crushed stone to make the bottom of the excavation more uniform and to create a space for water drainage Rake the crushed stone so its a consistent depth down from the top edge of the form boards This depth determines the thickness of concrete of your completed patio

  • slab crusher concrete

    crushed stone process under concrete slab Concrete forms and pouring a concrete slabconcrete mix design using crushed sandconcrete slab crusherconcrete slab crushercrushed concrete and 21a pad for shedcrushed stone under a spread footingfill under slabfirst things first how much does a

  • 3 Reasons to Use Crushed Stone Under Concrete Slabs B

    Aug 01 2018018332Experienced gravel suppliers advise using crushed stone beneath the concrete to deter water accumulation The stone crevices provide an easy exit route for water preventing it from pooling under the concrete Moreover crushed stone adds a protective underlayment that keeps water from touching the concrete slab 3 Prevent Concrete Cracks

  • gravel or crushed stone under concrete Mobile Crushers

    Jan 27 2015018332gravel or crushed stone under concrete Liming heavy industry is specialized in the design manufacture and supply of crushing equipment used in mining industry The product range of our company comprises mobile crushing plant jaw crusher cone crusher impact crusher milling equipment ball mill vibrating feeders screens and equipment for

  • crushed stone vs process under a concrete slab

    gravel or crushed stone under concrete Mobile Crushers Jan 27 2015183 crushed stone vs process under a concrete slab Vapor Barriers Under Concrete Slabspdf Stego Industries LLC barrier with or without a gravel layer lowered the amount of water passing through the slab from More Sand under slab instead of gravel GreenBuildingTalk

  • SelfCompacting 34quot stone JLCOnline Forums

    May 21 2020018332I have a question about 34quot crushed stone I read several places that 34quot crushed stone is quotselfcompactingquot That is you dump it in a trech as in under a concrete footing or floor and you dont have to compact it with a plate compactor it is already as quotcompactedquot as it needs to be

  • Crushed Stone Patuxent Companies

    57 Stone 34 to 114 Average size range 34 to 1 14 Uses include driveways septic fields bedding for large pipes filter stone dry wells concrete slab beddingresidential drainage Ready Mix and Asphalt production Material Colors Available Dark Gray Blue Gray OffWhite amp White

  • Do I Need a Concrete Pad for a Swim Spa Clearwater

    Jul 30 2019018332The fact is that its not completely necessary This article will go over the reasons why a concrete pad is often preferable as well as some of the alternative bases that can be used Concrete Pad The reason that concrete pads are consistently used as a base for a swim spa is that they can be constructed to the exact specifications needed

  • Vapor Barriers under Concrete Floor Slabs Friend or Foe

    The rate that moisture escapes from a slab depends on the concrete wc the density of the finish the ambient conditions above the slab and the moisture below the slab One laboratory drying study indicated that 4in thick concrete samples having a wc050 and sealed from below required 82 days for the vapor emission rate to reach 30

  • What Size Gravel To Use Under Concrete Pad Building

    May 09 2011018332Can I use 34quot crushedangular gravel under a concrete pad The pad is 5x5ft Ill pour 6quot concrete over 6quot of Im using 3 rebar I have a lot of this gravel and also unsorted sand so Im hoping one of those options are ok to use If this matters the ground is very hard Arizona has to be wet overnight to dig it Thanks

  • Crushed Stone Process Under A Concrete Slab

    Crushed Stone Process Under A Concrete Slab Product capacity 52200th Max Feeding Size 1251500mm Output Size 10400mm Jaw crusher is the vital equipment in crushing industry