How do I figure out how much concrete I need for a round hole?

Quantity of cement, Sand or Mortar Required for Brickwork: 1:6 ratio of cement mortar is usually used for brickwork.

You will need 1000 lbs of sand for the mortar for those 100 blocks. The Recipe for Mortar sand mix will be 1 Part Mortar to 2-1/2 Parts Sand.

For laying bricks and blocks in normal applications (SABS Class II) To lay 1000 bricks = 3 bags cement + 0.6 cu. m. sand.

Typically, 1m3 of concrete is made up of 350Kg of cement, 700Kg of sand, 1,200Kg of chippings and 150 Litres of water..

Unlike self-drilling screws which do not need pilot holes due to their drill bit end, self-tapping screws like concrete screws do require the user to mark a spot for the pilot hole.

Also 1-1/2 bags per hole is about right for a 4x4 fence post. Also remember, the depth of the post hole should be one-half of the above-ground post height. (Example: For a 6' above ground post, use a post with an overall height of 9 feet and place 3 feet in the ground).

I normally use post hole diggers (6" diameter?) 3 feet deep and ½ a bag of redi-mix per post.

As I recall, a 60# bag of concrete is about .

5cf, so you'd need 3 bags per hole..

How many concrete bags would I need for a 8 ft x 8 ft x 6" slab? 54 x 80lb Concrete bags. How much does it cost to pour a 8'x8' x6" slab? Ready-mix costs approx $277.86.

Each hole for the terminal posts must be 8 inches in diameter and 30 inches deep, requiring 0.85 cubic feet of concrete to fill.

With a brief look, a 20x20 area at 6 inches deep, you would need approximately 10.52 tons or 7.41 cubic yards of gravel. Concrete reinforcing is also recommended in high traffic areas and medium to large areas.

DIY Lightweight Concrete Planter

• Dig and shape a hole in the damp sand the approximate size of the largest round form.
• Combine equal amounts of peat moss, perlite and Portland cement.
• Set the largest of the two molds on the drop cloth.
• Put gloves on and pour the mixture into the larger mold, creating a planter bottom about 2 inches thick.

For wall plaster generally ratio we use = 1: 6 (1 part of cement and 6 part of sand).

For Roof plaster mainly ratio we use = 1: 4 (1 part of cement and 4 part of sand).

The thickness of plaster is between = 12 mm to 15 mm.

Always use Good quality of cement (Different grades of cement) as well as good quality sand..

elevenThe recommended hole size is 16 inches in diameter and 48 inches deep. You will need eleven 80-lb bags of concrete for the installation. How much does it cost to install an in ground basketball hoop? On average, installation will cost around $450.00 for an in-ground system if you have it professionally installed.

12,000 pound two-post lifts (and higher capacity): Six (6) inches of concrete at 3000 PSI is required.

For concrete, the formula for volume is as follows: length x width x thickness. To determine how many bags of concrete you will need, divide the total cubic yards needed by the yield.

To figure out the how many tons you will need is not hard to do. You will have to know that the standard weight contractors use for crushed stone is 2700 pounds per cubic yard. Multiply the number of cubic yards by 2700 and divide by 2000. This value is the number of tons that you will need.

Beside above, how much crushed concrete do I need calculator? In the construction world, most materials are measured in cubic yards. Multiply the length (L), in feet, by the width (W), in feet, by the height (H), in feet, and divide by 27. This will tell you how many cubic yards of crushed stone you need.

Calculate the volume of the hole in cubic metres (using V = πr2h) and then subtract the volume of your post. This will give you the volume of concrete required. Simply multiply the volume figure by 108 (108 bags per cubic metre) to give the amount of 20kg bags needed to fill the void.

How to re-pour concrete in saw-cut slab? hammer-drill holes sideways into the cut surfaces of the concrete to make holes 3-inch deep for dowels (3/8 rebar that I already have sitting around) remove all loose material from the dirt hole. clean rocks and concrete out of the fill dirt.More items...•Jan 12, 2007

Pour the dry concrete straight into the hole leaving 3 to 4 inches of space from the top of the hole. In most cases a 50-pound bag of quick-dry concrete should suffice.

How many concrete bags would I need for a 5 ft x 5 ft x 6" slab? 20.8 x 80lb Concrete bags.

You can also cut holes using a jigsaw with a metal-cutting blade or a drill fitted with a carbide-grit hole saw. When using a jigsaw to cut a round or square hole, start by drilling a hole through the backer board with a 3/8-inch-diameter masonry drill bit. Then insert the jigsaw blade into the hole and start cutting.

You will need 45 bags of concrete mix to make a cubic yard of concrete.

How Much Concrete per Vinyl Fence Post?Post SizePost Height (above surface)80lb Bags Required4×43-4ft double-triple rail9 inch hole15×53-4ft double-triple rail12 inch hole15×55-6ft semi & privacy122

For example, a sono tube with a 10" diameter and a 4' depth requires 0.08 cubic yards of concrete.

The general rule of thumb when setting a post is that the depth of the post's hole needs to be 1/3 to 1/2 of the actual above-ground height of the post. So, six-foot-high fence posts ideally need to be buried three feet into the ground. The diameter of your post hole should be three times the diameter of your post.

For example, a sono tube with a 10" diameter and a 4' depth requires 0.08 cubic yards of concrete..

The depth of the hole should be 1/3-1/4 the post height above ground (i.e., a 6-foot tall would require a hole depth of at least 2 feet).

Most fence post holes will need between 1 - 4 bags of concrete to securely hold the post in place.

The best way to determine the size of the hole is: Diameter of the hole is 3 times the width of the fence post.

Depth of the hole is one-third to half the above ground height of the fence post..

Plan on at least 5 minutes per cubic yard, for unloading time. How much concrete do I need? Order this much concrete, for these standard pool sizes. 12 x 24 – 5 yards, 14 x 28 – 6 yards, 16 x 32 – 7 yards, 18 x 36 – 8 yards and a 20 x 40 – 9 yards.

Calculate Concrete Volume With the volume of the submerged post and the volume of the hole figured out, subtract the post volume from the hole volume, and you will have the volume of concrete needed for each hole.

Simply multiply that amount times the number of posts to get a total quantity..

Remember, the depth of the post hole should be one-half of the above-ground post height.

(Example: For a 6 feet above ground post, use a post with an overall height of 9 feet and place 3 feet in the ground).

The calculator will indicate the number of 50 lb.

bags of QUIKRETE® Fast-Setting Concrete you need..

Once you know how big the room is and ideally know how many square meters are in it, you can simply divide that figure by 9 to give you about how many bags of multi finish plaster you will need. Multi finish covers 10m2, but I say 9m2 to all allow for wastage.

1 - 4 bagsMost fence post holes will need between 1 - 4 bags of concrete to securely hold the post in place. The best way to determine the size of the hole is: Diameter of the hole is 3 times the width of the fence post. Depth of the hole is one-third to half the above ground height of the fence post.

A hole that's 2 feet long, 2 feet wide and 2 feet deep is 8 cubic feet. Multiply the cubic feet by . 45, if you're using 60-pound bags of concrete, or by . 6, if you're using 80-pound bags.

Various instructions and regulations therefore also state that you need about 56 packs of dry concrete of 40kg each for 1m³, which results in about 17.86 litres of liquid concrete per pack.

Mortar calculation for tile flooring We need 1.5 m3 volume of wet cement mortar that means, we need this much volume after adding water to cement and sand mix. Dry volume of mortar is considered as 25% of more of wet volume.

To calculate how much concrete you need, you need to know the post size you are going to use and how many posts you are installing. Your post diameter and height determine how big each hole needs to be. As stated above, fence post holes should be 3 times the diameter of your post and 1⁄3 as deep as your post.

To calculate how much concrete you need, you need to know the post size you are going to use and how many posts you are installing. Your post diameter and height determine how big each hole needs to be. As stated above, fence post holes should be 3 times the diameter of your post and 1⁄3 as deep as your post.

Here is the quantity that you will need for your slab. Quikrete Concrete Mix: 24- 60lb bags.

How many stamps do I need for my project? Take your dimensions of your project and figure out which direction you will run your stamps. Next measure what your longest run will be. Ideally you want the enough stamps to cover your first row and 2 stamps for the second row.

Concrete Slab Prices By SizeSlab SizeSquare FeetAverage Cost Installed15x15225$1,38820x20400$2,46824x24576$3,55420x30600$3,7026 more rows

Apply the Sealant Depending on how porous your concrete is, a gallon of sealer will cover 250 to 500 square feet.

To lay 1000 bricks = 3 bags cement + 0.6 cu. m. sand. 1 Bag of cement to 3 wheelbarrows of building sand.

BUDGET: You can achieve a homemade Venetian plaster finish for roughly $6 to $11 per 100 square feet, considering you'll need $2 to $3 for pre-mixed joint compound, $0.10 to $0.50 for latex colorant, and $4 to $7 for tinted glaze.

For example, a sono tube with a 10" diameter and a 4' depth requires 0.08 cubic yards of concrete.

Each diameter of concrete screw has a specific diameter carbide drill bit that must be used for installation. The 3/16” diameter screw requires a 5/32” hole and the 1/4” requires a 3/16” hole. The hole must be drilled using a hammer drill with a carbide tipped bit meeting ANSI standards.

Quantity of cement = 1/13 × 1.54 m3 × 1440 kg/m3 = 170 kg, no of bag cement for 1m3 m7. 5 concrete = 170/50 = 3.4. If rate of cement = INR 400 per bag, then cost of 3.4 bags cement = 3.4 ×400 = INR 1360.

How do I calculate how much concrete I need for a slab?Measure the area in feet.Multiply length by width, and then by thickness.Divide the resulting number by 27 to find cubic yards.