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Gravel Or Crushed Stone Under Concrete

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

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

    Another way of figuring this out is that 1 yard of crushed stone will get you 80 square feet at 4-inches thick. Figuring out how much sand that you will need is done much the same way. Since you only need a 1-inch bed of sand to set your pavers on just take your square footage measurement from the stone and this time multiply by .00309.

  • Compact Fill Under Slab

    Compact Fill Under Slab

    Compact Fill Under Slab - Concrete bends and breaks. Use self-compacting fill. Water helps compact. . If you have to use crushed stone, be aware that it requires mechanical compaction so the pieces of gravel interlock. . I had used as fill under Pavers using A mix of gravel chips of various sizes but small 1/4" irregular some call it slab .

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

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

    Mar 24, 2010 · why is it important to have gravel under a concrete slab? how much gravel should be under the concrete pad in my new garage? . If you are just pouring a Slab without footings it is very important that you have firmly packed gravel, 4-6" and then about 6" of 3/4 stone, the 3/4 stone will allow the slab to float, and move, rather than crack .

  • Ask the Builder | Concrete slab needs quality self .

    Ask the Builder | Concrete slab needs quality self .

    Feb 10, 2015 · What type of stone would be best for filling a cavity under a planned two-car garage addition? It is approximately 7 feet deep. The local concrete supplier sells recycled concrete for a .

  • Crushed Rock - Select Sand & Gravel - Sand, Gravel .

    Crushed Rock - Select Sand & Gravel - Sand, Gravel .

    Sep 27, 2017 · The Crushed Concrete Rock however, is able to be produced in most cases right in the middle of town which can provide the material less expensively for construction or residential project uses. Select Sand & Gravel is a supplier of Crushed Limestone Rock and Crushed Concrete Rock for the construction or project uses stated above.

  • Subgrades & Subbases for Concrete Slabs - The Concrete Network

    Subgrades & Subbases for Concrete Slabs - The Concrete Network

    Subbase—this is a layer of gravel on top of the subgrade; Base (or base course)—this is the layer of material on top of the subbase and directly under the slab . Recycled crushed concrete is an excellent source for subbase material. The Concrete Producer . If the under-slab support is bad enough, you can then get differential settlement .

  • How important is gravel under a concrete sidewalk? (Home .

    How important is gravel under a concrete sidewalk? (Home .

    How important is gravel under a concrete sidewalk? . Oh - and BTW - rounded/river gravel is not best - a CRUSHED rock product (though same size as gravel - typically 1/2" or 3/4" 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 .

  • Oldcastle 50 lb. 3/4 in. Crushed Stone Gravel-40200015 .

    Oldcastle 50 lb. 3/4 in. Crushed Stone Gravel-40200015 .

    Oldcastle 50 lb. 3/4 in. Crushed Stone Gravel is perfect for landscaping around patios, decks and gardens. This gravel interlocks for good compaction and comes with a portable and reusable mixing container. Ideal for landscaping around patios, decks and gardens; Suitable for use in custom concrete mixes; Gravel interlocks for good compaction

  • Shouldn't I Have Gravel Under Concrete Footers? - Concrete .

    Shouldn't I Have Gravel Under Concrete Footers? - Concrete .

    Sep 29, 2012 · Gravel was always used under every concrete job (footers, slabs, driveways, etc.). I see from the code that you sent me that gravel isn't required and that the concrete should be on soil, but where the heck does that rain water in the earth (and around and under the concrete) go when it rains I wonder? hmmm.

  • Bray Gravel Delivery Northern Kentucky Cincinnati

    Bray Gravel Delivery Northern Kentucky Cincinnati

    Gravel delivered to you by Bray Topsoil & Gravel, a specialized aggregate hauler servicing the Kentucky, Ohio, and Indiana region. . Crushed Concrete. Also Known As: Recycled Dense Grade Aggregate Size: 1" to powder . concrete blocks, rock or stone walls, under above ground swimming pools, golf course sand traps. Request a Quote (859-635 .

  • Why Put gravel under concrete? - Google Groups

    Why Put gravel under concrete? - Google Groups

    May 06, 2010 · Why Put gravel under concrete? Showing 1-31 of 31 messages. Why Put gravel under concrete? [email protected] . Coarse gravel, like 57 stone, under a slab is used as a capillary . a Ready Mix truck tipped over and crushed Nonny to death 5 years ago. We all miss Nonny. 8-( [8~{} Uncle Sad Monster Re: Why Put gravel under concrete?

  • what do you use under concrete? - Everything About Concrete

    what do you use under concrete? - Everything About Concrete

    We don't use recycled concrete under any concrete floors we install. We use mostly gravel and sometimes the stone. I would also recommend a vapor barrier of 6 mil poly on top of the stone before you pour the concrete.

  • Determining What Size Crushed Stone You Need For Your Project

    Determining What Size Crushed Stone You Need For Your Project

    Crushed stone is used for a wide variety of projects, from building roads to providing suitable drainage and from laying a base for pavers to enhancing the look of landscaping projects. There are so many uses for this versatile material, yet many people are unsure of what size they need when it comes to selecting the proper material for their project.

  • compacting gravel under a slab - JLC-Online Forums

    compacting gravel under a slab - JLC-Online Forums

    Dec 07, 2004 · Re: compacting gravel under a slab Dick Siebert The reason that a graded granular material compacts better than a uniform material such as stone is that with a graded material the different sized particles interlock with each other so if you compact it to proctor density it has no where to go, it locks in solid.

  • Shouldn't I Have Gravel Under Concrete Footers? - Concrete .

    Shouldn't I Have Gravel Under Concrete Footers? - Concrete .

    Sep 29, 2012 · Gravel was always used under every concrete job (footers, slabs, driveways, etc.). I see from the code that you sent me that gravel isn't required and that the concrete should be on soil, but where the heck does that rain water in the earth (and around and under the concrete) go when it rains I wonder? hmmm.

  • How much gravel under concrete? - TractorByNet

    How much gravel under concrete? - TractorByNet

    Nov 26, 2002 · For something like garage 8" of compacted stone and 4" of reinforced concrete would be a minimum and 12" or stone and 6" of concrete would hold just about anything. Somewhere in that range will work for just about anything you want. 11-23-2002, 08:53 AM #4. gerard. . How much gravel under concrete?

  • 3 Reasons to Use Crushed Stone Under Concrete Slabs - B .

    3 Reasons to Use Crushed Stone Under Concrete Slabs - B .

    Aug 01, 2018 · When it comes to building a concrete porch or driveway, simply laying down the slabs is not enough. In fact, the experts at B & R Sand & Gravel suggest laying down a layer of crushed stone before installing concrete slabs. As Gales Ferry, CT's most trusted gravel suppliers, their team emphasizes using a crushed stone base for the following reasons.

  • When To Use Crushed Stone As Opposed To Gravel For A Project

    When To Use Crushed Stone As Opposed To Gravel For A Project

    Crushed stone differs from gravel in that gravel has a more rounded shape and is made by the natural processes of weathering and erosion. . For concrete and asphalt mix, driveways, landscaping and French drains. Crushed stone #411 – A mixture of stone dust and #57 stone. For driveways, roads and as a base for retaining walls.

  • Oldcastle 80 lb. Crushed Gravel-40200530 - The Home Depot

    Oldcastle 80 lb. Crushed Gravel-40200530 - The Home Depot

    The Oldcastle 80 lb. Crushed Gravel is the ideal material for establishing a drainage base that withstands freezes and thaws. It can also be used in custom concrete mixes. Provides 0.8 cu. ft. of coverage; Uniformly sized 3/4 in. gravel is ideal as a drainage base for footings, posts and slabs; Can be used in custom concrete mixes

  • Crushed Stone Vs. Gravel - Concrete Suppliers and Concrete .

    Crushed Stone Vs. Gravel - Concrete Suppliers and Concrete .

    Gravel tends to have a rounder shape due to the natural weathering process, and is usually much smaller than crushed stone. However, gravel that is crushed will have a more angular shape. Sizes. Crushed stone ranges in size from fine stone dust (screenings) to larger and heavier stones.

  • Oldcastle 50 lb. 3/4 in. Crushed Stone Gravel-40200015 .

    Oldcastle 50 lb. 3/4 in. Crushed Stone Gravel-40200015 .

    Oldcastle 50 lb. 3/4 in. Crushed Stone Gravel is perfect for landscaping around patios, decks and gardens. This gravel interlocks for good compaction and comes with a portable and reusable mixing container. Ideal for landscaping around patios, decks and gardens; Suitable for use in custom concrete mixes; Gravel interlocks for good compaction

  • Gravel Or Crushed Stone Under Concrete

    Gravel Or Crushed Stone Under Concrete

    Crushed Stone - Harmony Sand and Gravel. Our crushed stone products are used for foundation, combination & French Drains, seal coating, driveways, roads, parking lots, bedding under concrete slabs, Harmony Sand & Gravel Landscape Equipment and Supplies, Concrete, & Stone

  • Self-Compacting 3/4

    Self-Compacting 3/4" stone - JLC-Online Forums

    Apr 29, 2003 · I have a question about 3/4" crushed stone. I read several places that 3/4" crushed stone is "self-compacting". 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.

  • 3 Reasons to Use Crushed Stone Under Concrete Slabs - B .

    3 Reasons to Use Crushed Stone Under Concrete Slabs - B .

    Aug 01, 2018 · When it comes to building a concrete porch or driveway, simply laying down the slabs is not enough. In fact, the experts at B & R Sand & Gravel suggest laying down a layer of crushed stone before installing concrete slabs. As Gales Ferry, CT's most trusted gravel suppliers, their team emphasizes using a crushed stone base for the following reasons.

  • Crushed Stone Vs. Gravel - Concrete Suppliers and Concrete .

    Crushed Stone Vs. Gravel - Concrete Suppliers and Concrete .

    Gravel tends to have a rounder shape due to the natural weathering process, and is usually much smaller than crushed stone. However, gravel that is crushed will have a more angular shape. Sizes. Crushed stone ranges in size from fine stone dust (screenings) to larger and heavier stones.

  • How Much Crushed Stone Do You Need? A Sure-Fire Formula

    How Much Crushed Stone Do You Need? A Sure-Fire Formula

    You are quite excited, but there is just one problem: It requires crushed stone, and you have no clue how to calculate how much you will need. 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 .

  • gravel or crushed stone under concrete | Mobile Crushers .

    gravel or crushed stone under concrete | Mobile Crushers .

    Jan 27, 2015 · gravel or crushed stone under concrete. 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 Grades: A Complete Guide

    Crushed Stone Grades: A Complete Guide

    Crushed stone differs from gravel in that gravel has a more rounded shape and is made by the natural processes of weathering and erosion. . For concrete and asphalt mix, driveways, landscaping and French drains. Crushed stone #411 – A mixture of stone dust and #57 stone. For driveways, roads and as a base for retaining walls.

  • Crushed Stone or Crushed Concrete - Modern House Plans by .

    Crushed Stone or Crushed Concrete - Modern House Plans by .

    Jun 30, 2010 · Crushed Stone or Crushed Concrete. categories: construction issues, modern house plans. . I would make sure you have at least a couple of inches of real stone under the slab to keep the capillary break in place. But below that you could use crushed concrete.

  • gravel or crushed stone under concrete

    gravel or crushed stone under concrete

    Gravel under concrete footing - GreenBuildingAdvisor. Mar 31, 2015 Crusher-run gravel compacts well but does not drain very fast -- at least not as fast as 3/4-inch crushed stone (no fines). Talk to a soils engineer if you are worried -- but in my experience, either crusher-run gravel (compacted) or 3/4-inch crushed stone can be used under .

  • Crushed Stone Under a Spread Footing - Geotechnical .

    Crushed Stone Under a Spread Footing - Geotechnical .

    Dec 17, 2009 · Crushed Stone Under a Spread Footing Crushed Stone Under a Spread Footing . The amount of settlement you're going to get from a foot of gravel as compared to a foot of muddy soil will be less. . I wouldn't consider either crushed stone or blinding concrete to improve the settlement situation. RE: Crushed Stone Under a Spread Footing .

  • Sand, gravel and quarry aggregates - Bonnechere Excavating .

    Sand, gravel and quarry aggregates - Bonnechere Excavating .

    Stonedust, 7/8″ and 2″ Crushed Stone. Crushed Stone is great for packing since it is a mixture of various sized stone and stonedust. It is used under slabs, for driveways, or anything you need a good hard base. Crushed Stone is also known as gravel, granular A, 3/4″ crushed stone, and GA. Applications: Under patio stones; Interlocking brick

  • Why Put gravel under concrete? - Google Groups

    Why Put gravel under concrete? - Google Groups

    May 06, 2010 · Why Put gravel under concrete? Showing 1-31 of 31 messages. Why Put gravel under concrete? [email protected] . Coarse gravel, like 57 stone, under a slab is used as a capillary . a Ready Mix truck tipped over and crushed Nonny to death 5 years ago. We all miss Nonny. 8-( [8~{} Uncle Sad Monster Re: Why Put gravel under concrete?

  • Use of Crushed Gravel as a Driveway Material

    Use of Crushed Gravel as a Driveway Material

    Crushed gravel driveways are commonly composed of sand, silt, clay and larger aggregates (pebbles and small stones). Stone driveways, by contrast, are often more elegant. The source of the confusion over terminology is that the small stone used in stone driveways is sometimes also referred to as "gravel."

  • 2020 Crushed Stone Prices | Crushed Rock Costs & Advantages

    2020 Crushed Stone Prices | Crushed Rock Costs & Advantages

    Adding crushed stone as a walkway or an added landscape feature is not a difficult project. More often than not, you have to excavate the land, add some coarse sand or landscape gravel and then place the crushed stone how you wish. However, as you might expect, the project is much more time consuming when installing a crushed stone driveway.

  • Crushed Stone Under a Spread Footing - Geotechnical .

    Crushed Stone Under a Spread Footing - Geotechnical .

    Dec 17, 2009 · Crushed Stone Under a Spread Footing Crushed Stone Under a Spread Footing . The amount of settlement you're going to get from a foot of gravel as compared to a foot of muddy soil will be less. . I wouldn't consider either crushed stone or blinding concrete to improve the settlement situation. RE: Crushed Stone Under a Spread Footing .

  • Should I set fence posts in dirt, gravel, crushed rock, or .

    Should I set fence posts in dirt, gravel, crushed rock, or .

    Someone at the local hardware store had seen posts set in concrete rot and break because water seeps in along the edges of the post (especially in the winter) and does not drain properly. He suggested crushed rock (what I would call gravel, see Definitions of various sand, gravel.

  • Best Gravel for Your Driveway - 9 Top Options - Bob Vila

    Best Gravel for Your Driveway - 9 Top Options - Bob Vila

    The 9 Best Types of Gravel for Your Driveway . same way as angular fragments of crushed stone, pea gravel is more likely to move under vehicles, and can migrate off the driveway surface unless .

  • What Size Crushed Stone Under Concrete Slab - FTMLIE Heavy .

    What Size Crushed Stone Under Concrete Slab - FTMLIE Heavy .

    Jan 27 2015 · gravel or crushed stone under concrete heavy industry is specialized in the design manufacture and supply of crushing equipment used in mining industry Our crushed gravel size under slab have Why Put gravel under concrete I have poured many small sidewalks and shed floors and never put gravel under the .

  • gravel under concrete slab? is it absolutely required .

    gravel under concrete slab? is it absolutely required .

    gravel under concrete slab? is it absolutely required? Ask Question Asked 2 years, 7 months ago. . I could put gravel in, say 2" and 3.5" of concrete over that or just full 5.5" of crete or I could do lot of gravel and a 2" top coat over that with a bunch of steel and fibers, . What about stone?