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concrete over gravel

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

As with all material, it has to be placed correctly and compacted properly. Sand needs to remain damp as well as other material before placement of the concrete. If you want to build a road, use gravel, but this does not mean you will not have issues. No one can predict the outcome of the harding of concrete. As they say, it will get hard and ...

How To Find The Right Concrete Mix - The Home Depot®

High-strength concrete: Pre-mixed of cement, sand, gravel and additives, this concrete blend is perfect to use as a foundation, footer or bases for heavy equipment. It typically sets in about 10-12 hours. Crack-resistant cement: A pre-blended mix of cement, sand, gravel and additives, this mix is the most durable, meant to reduce cracking and ...

gravel under concrete slab? is it absolutely required ...

Its about 3.75 cu yards of crete, or like $400 It will cost $100 for gravel to fill in 2", but my crete is still only a little cheaper, and it will be a thinner slab. 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,

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

Aug 28, 2015· Yes you can put concrete over river rock. Marilyn the big trick is going to make sure that it is level to start with and frame it out. You may want to bring some sand in to help level. 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 over gravel Topic

Mar 01, 2019· JOURNAL Articles ON CONCRETE OVER GRAVEL Ultimate Behavior of Flexure-Critical Prestressed Concrete Beams with Recycled Concrete Aggregates. Publication: Structural Journal Date: 3/1/2019 Modeling Time-Dependent Deformations: Application for Reinforced Concrete Beams with Recycled Concrete Aggregates

How to Pour Concrete Over-Existing Concrete Slab? - The ...

A well-poured concrete slab with a deep, sturdy foundation can last for 30 to 40 years. Pouring concrete over old concrete instead of directly over a new gravel foundation limits your ability to maximize the slab's lifespan. The condition of the existing slab is the primary factor that determines how long the new concrete will last.

How to Cover a Concrete Patio in Pea Gravel | DoItYourself.com

Place a layer of sand over the landscaping fabric, completely covering it. Layer the pea gravel over it, creating a fine layer of sand and pea gravel. Tamp the pea gravel and sand down and your concrete patio is now ready for use.

drainage - Can I "just" concrete over the existing gravel ...

If you believe it needs more sand or gravel for better drainage or to level the area, then that added material has to be compacted before placing the concrete. Sand or road-gravel compacts better than loose stone. Undisturbed gravel with compacted sand for extra drainage or leveling would work great.

Concrete Layover with Gravel-Lok - YouTube

Dec 20, 2012· Concrete fixes, Polybond a driveway mixed with sand & cement plaster, use products in description. - Duration: 10:07. Kirk Giordano plastering Inc. 716,364 views

Gravel on top of concrete patio? — MoneySavingExpert Forum

Sep 11, 2009· If you are driving a car on concrete topped with gravel then I would say no, just because either your car will get bogged down or you would have gravel flying all over the place if you are just walking on it and the gravel is at a sufficent depth then it should be okay.

How to Pour a Concrete Sidewalk | The Family Handyman

Draw a bull float over the fresh concrete immediately after screeding to force down aggregate and raise cream (gravel-free concrete) near the surface for finishing. Only use the bull float right after screeding if there's no bleed water present. Bleed water is water that migrates to the surface from the fresh concrete in …

Will adding concrete mix and water to my gravel driveway ...

Mar 02, 2007· If you use the wrong ratio of concrete, water, etc, it'll never hold up. It'll just break up anyway when you drive over it. To get a solid concrete pad for vehicles to drive over (regardless of stones) you need at LEAST 4 inches of concrete. Just save up $$ and get some concrete …

What Type Of Gravel Under Concrete Slab - Walesfootprint ...

Quality concrete slab design under slab vapor barrier americover under slab vapor barrier americover forms and pouring a concrete slab how to lay a gravel shed foundation high performance concrete slab. Slab Detail Northern Climates Recommend Gravel Clified FillHow To Build Patios WalkwaysWhat Is The Best Way To Fill A 3 Inch Gap Under My […]

Producer Price Index - Concrete and related products : Mid ...

(not seasonally adjusted data) Commodity Producer Price Index - Concrete and related products; Historical data Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

How to Lay a Concrete Floor Over a Gravel Basement | Home ...

How to Lay a Concrete Floor Over a Gravel Basement. In some older homes, the basement floor consists of dirt or gravel rather than a poured concrete slab. Finishing the floor by pouring concrete ...

Adding Cement Mix to Gravel Driveway | Hunker

Jul 17, 2017· Laying a concrete driveway over an existing gravel one is possible, but it is not generally recommended. The kind of gravel that is intended to go under cement is typically a smaller grade than what is used for gravel driveways. However, if the gravel in your driveway is small enough, it is possible to create a cement driveway over the existing ...

Gravel over concrete? | Homesteading Forum

Aug 07, 2014· Gravel over concrete? Jump to Latest Follow 1 - 12 of 12 Posts. G. GoddessKristie · Registered. Joined Jun 18, 2007 · 334 Posts . Discussion Starter • #1 • Aug 3, 2014. I have an area in the back of my house that has a bit of concrete in an L shape. ...

Subgrades & Subbases for Concrete Slabs - The Concrete …

The weaker the subgrade, or the heavier the loads, then, the thicker the slab needs to be. Concrete strength also comes into play, but most slab concrete is around 3000 to 4000 psi, so it's 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.

Subgrades & Subbases for Concrete Slabs - The Concrete Network

The weaker the subgrade, or the heavier the loads, then, the thicker the slab needs to be. Concrete strength also comes into play, but most slab concrete is around 3000 to 4000 psi, so it's 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.

Gravel Calculator | How much gravel do you need? - Omni

Types of gravel. We can differentiate various types of gravel on the basis of: Size – there are many sizes of gravel. We can find some with rock fragments 4 inches (about 10 cm) in diameter and others with a particle the size of your fingernail.

Resin Driveway Over Concrete - You Must Be Joking! | Read ...

Installing a resin driveway over concrete provides an easy and cost effective way of enhancing the appearance of your driveway. By installing a resin surface over an existing surface such as concrete or tarmacadam you can cut out costly sub base installation costs. These are typically up to 50% of an installation, done from scratch.

Concrete Vapor Barriers: The Pros & Cons of Getting The Vapors

However, the current practice recommended by the American Concrete Institute is to apply a heavy grade, non-penetrable vapor barrier (or retarder) with the lowest possible permeance for the application over a layer of granular fill (crushed rock, gravel, etc.).

Bonding To Existing Concrete | Sakrete

There are a variety of Sakrete concrete repair products available to fix concrete that has begun to deteriorate. However, without good surface preparation, none of them are going to perform satisfactorily. All loose sand, gravel, dirt, leaves etc. must be removed. This can typically be done with a garden hose and a good nozzle.

Laying gravel on top of existing concrete - MyBuilder

if you put gravel on a uneven concrete it may look OK for a while but soon it would look uneven again so the best thing to do is take up the concrete level it out and lay membrane and finish with your gravel stones kind regards D&G construction. Answered 11th Mar 2017 ...