The mix should be a stiff as possible. Use the largest aggregate practicable. Use the optimum ratio of fines to coarse aggregate. A low water to cement ratio is the number one issue that affects concrete quality. Do not add too much water. Components in concrete Portland Cement - the aggregate and sand is coated by a paste formed from the ...

Jul how many bags of concrete for slab 20, 2010 · If your pouring a 8"x12" slab you can use bags (or a bag). If your pouring a 8"x12' pad call a truck. The trucking will probably cost you more than the concrete, but the work that you will put into mixing and trying to finish a pad with bags will cost you way more than the truck is worth.

To determine how many bags of concrete you will need, divide the total cubic yards needed by the yield. Use the following yields per each bag size: 40 pound bag yields .011 cubic yards; 60 pound bag yields .017 cubic yards; 80 pound bag yields .022 cubic yards; READY MIX VS. BAGGED CONCRETE

In order to get all the needed concrete ready to pour at once, people often call for a concrete delivery from a ready-mix company. Unfortunately, a slab this size only requires about one cubic yard of concrete. Ready mix concrete trucks (the big concrete trucks that deliver concrete and spin) usually have a three yard minimum order.

Decided I should do a project with 60 bags. Wasn't fun, but it got done. Then I came across Sakrete Maximizer. 80lb bag makes 60% larger quantity of mix than usual concrete mix. I did 44 bags for 10'X16' 3.5" slab. I absolutely love that concrete mix. So much easier to work with. I don't think I am going back to regular stuff.

Hi Dave, thank you very much for the reply, the other thing i forgot to ask in my question above is, will that ratio (1cement. 2sand .3aggregates) can give me a 3500 psi? so for a 50 square meter (10 L x 5 W) with 0.15 meters high, I will need approximately 100

Mixing Concrete - Let DIY Doctor show you how to mix concrete with this Project and Video Tutorial. Explains what sand to cement ratio you need for your Concrete Project. Find out how much cement and aggregate you need to buy using our concrete calculator. A guide on how to mix concrete for different applications.

Free online concrete calculator for your construction projects. Calculate the required weight and volume of readymix concrete you need for your wall, column, steps, slabs, footings, and others. Easy to use calculator for how much concrete you need in cubic feet, cubic yards, cubic meters, tons, tonnes, as well as bags of concrete of different sizes.

May 24, 2018 · How to calculate concrete for 80lb bags. How to calculate concrete for 80lb bags. Skip navigation Sign in. ... How To Quickly Pour a Concrete Slab By Hand - Duration: 9:05. GK7 DIY 109,936 views.

2020-04-20 · HOW TO LAY A SLAB USING CONCRETE MIX ... Add exactly 2.5 litres of clean water per bag of Concrete Mix and mix thoroughly remembering that excess water ruins good concrete. Tip. Ensure you check the back of the packaging for correct water quantity. Using Extra Strength Concrete Mix will have a different water mix ratio.

It may not matter as much to a homeowner, but getting the correct concrete is critical for the contractor to succeed. So, simply put a "Bag/sack" mix generally refers to a straight cement mix, as in a "6 bag" mix literally has 564#'s of Portland cement per yard.

May 21, 2009 · I am planning to pour a 330 sqft 4" high concrete slab. my friend has a concrete mixer and plan to have a total of four people working that day. I estimated about 5.9 cu yds to include voids/low spots I checked the quikrete site and estimated about 169 80lb bags of concrete Does anyone know prices for how much it would cost to get a truck and a pumper in Los Angeles CA

Our concrete calculator provides you an easy way to calculate concrete volume and estimated cost of concrete slabs, footers, walls, columns, steps, stairs, curbs and gutters in cubic feet, cubic yards, and cubic meters and inches. It makes your construction project planning and budgeting more accurate.

How Many Bags Of Concrete Do I Need: How Much Concrete Do I Need Concrete Bags. Regular concrete mix sold at lumberyards and home centers comes in different sized bags ranging from 40 to 80 pounds. An 80-pound bag yields approximately 0.60 cubic feet of concrete. 60-pound bags yield 0.45 cubic feet and 40-pound bags just 0.30 cubic feet.

Quikrete 60 lb. Concrete Mix is ideal for both structural and non structural applications over 2 in. thick. This ready to use product contains a blend of Portland cement, sand, gravel, and other approved ingredients. Quikrete 60 lb. Concrete Mix is perfect for projects requiring a quality, general use concrete mix.

Your bag of concrete tells you how many cubic feet the contents will fill, known as the yield. For example, the yield on an 80-pound bag of Sakrete, which is premixed cement, sand and gravel, is about 0.6 cubic feet. To work out how many bags you need, divide the volume of your project by the yield.

Rented portable mixers are usually electric or gasoline powered and will mix 2 to 18 bags of concrete mix. You’ll still have to lift it into the mixer and then move it to the concrete pad site too. A cubic yard of concrete will do approximately an 80 square foot 4” thick pad; not counting the thicker perimeter edge.

Concrete Mixing Ratios When asking the question ‘how much ballast do i need to mix concrete?’ the answer is based on the strength of concrete you are going to need. Concrete is made up by a ratio of mixed cement, sand and aggregates/gravel, a combition of the ...

Apr 30, 2018 · The below image shows quantity of cement, fine aggregate , Coarse aggregate for 1m³ of concrete… I hope it's clear..

Learning how to mix concrete by hand is simple but it is hard work. If your project is any larger than 50 square feet then it might be worth calling a Ready-mix concrete company and have them deliver the concrete in a concrete truck. The concrete will come all mixed and all you have to do is place it inside your forms.

How Do You Figure How Much Concrete to Use? Credit: BanksPhotos/E+/Getty Images Figure out the amount of concrete to use by calculating the volume of the desired concrete slab and the footings supporting the slab, then converting this area to cubic yards.

Calculate the amount of concrete or concrete mix bag needed for your slab, wall, staircase, reinforced concrete countertop, concrete driveway and patio or simply the volume of cement to be applied to a surface.

Quikrete 80 lb. Concrete Mix can be used for building or repairing foundation walls, sidewalks, curbs, steps and ramps and for setting posts. This mix designed for pouring concrete 2 in. thick or more. Quikrete 80 lb. Concrete Mix consists of a uniformly blended, properly proportioned mixture of gravel, sand and Portland cement.

How Many Bags Of Concrete Do I Need: How Much Concrete Do I Need Concrete Bags Regular concrete mix sold at lumberyards and home centers comes in different sized bags ranging from 40 to 80 pounds. An 80-pound bag yields approximately 0.60 cubic feet

Q: How many 40kg cement bags would I need for 5mx4m slab? A: The question is not clear as you haven't mentioned the grade of concrete and the thickness of the slab. Let us suppose the grade of concrete used is M20 and the thickness of slab is 150m...

The quantity of cement (and also fine and coarse aggregates ) depends on two factors- 1. Thickness of flooring 2. Proportion of cement, fine aggregate and coarse aggregate in the concrete Let me give you a numerical analysis. Say, we are using con...

if a 20kg bag has a volume of 320x320x50 when mixed, then each bag produces a volume of 0.00512m3 If you have 9 holes of 300 diameter and 650 depth, then the volume of concrete required is: 9 x height x pi x radius squared = 9 x 0.65m x 3.14 x 0.15m x 0.15m = 0.41 m3 of concrete Now, to calculate the number of bags

May 06, 2009 · How to Use Self Leveling Cement to Level a Large Concrete Slab May 6 ... will need in bags and then mix that amount on the spot. ... bags). on 950 sqft concrete floor ...

Concrete Slab How Many Bags Of Concrete Mix Do. many bags of cement, sand and gravel do i need for 9 x Jul 26, 2010 I am doing a concrete slab but how do i figure out how many bags of portland cement, sand and gravel do i need.

Concrete Mix Ratio Using Ballast For typical domestic use, 1 cubic metre of concrete at 3500 psi (25 MPa) can be readily created by mixing seven 50 kg bags of cement with 0.7 cubic metres of sand and 0.7 cubic metres of stone aggregate. Concrete of this

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