Knowledge Builders

how do you make a circle out of concrete

by Minnie Daugherty Published 2 years ago Updated 2 years ago
image

How to Make a Circle With Concrete Blocks

  1. Choose a flat spot of ground. Determine the diameter of the circle, and divide that number in half. ...
  2. Measure a lightweight piece of wood or a broomstick from one end to the length of your divided number.
  3. Hammer the 4-inch nail through the center of the stick at the mark, so it protrudes on the other side.

More items...

Full Answer

How do you pour a circle of concrete?

Pouring a circle of concrete requires a firm form. If the circle is to cover a large area, the sides of the form will need to be braced to prevent bulging or malformation of the planned shape.

How do you nail a circle in concrete with a hammer?

Hammer the 4-inch nail through the center of the stick at the mark, so it protrudes on the other side. Place a concrete block on the ground in the center of the proposed circle and use your hammer to gently tap the nail in the stick into the center of the concrete block. Tap gently and the nail will slip right in. Turn the stick.

What can I do with small concrete circles?

Small concrete circles, such as might be used for paving stones, can be poured into small plastic commercial forms or into cake pans. Be sure to oil the form well before pouring! You should be able to reuse these forms several times. Daisy Peasblossom Fernchild has been writing for over 50 years.

How do you fill concrete steps with radius?

5. Placing the Concrete The key to pouring radius steps is to fill them evenly so the concrete pushes against every part of the form at the same rate of pressure. (This is not an issue if you use steel forms, which can stand up to the pressure placed on them by an uneven pour.)

image

How do you make a circle in concrete?

0:304:12How to Pour a Perfect Concrete Circle Slab for a Fire-pit - YouTubeYouTubeStart of suggested clipEnd of suggested clipYou know what i did with this is i had the circle already p pre-built because what i did is i took iMoreYou know what i did with this is i had the circle already p pre-built because what i did is i took i used the pi formula in this situation here and i just multiplied um pi times my diameter.

How do you make a round form?

1:0010:21How To Build The Perfect Circular Concrete Forms When ... - YouTubeYouTubeStart of suggested clipEnd of suggested clipHere we have 12 feet which will be the radius of our circle the circle we're going to use to makeMoreHere we have 12 feet which will be the radius of our circle the circle we're going to use to make our template. And then we have nine foot ten and a half inches running in both directions.

How do you make a concrete forming radius?

2:046:29Quick & Simple Concrete Radius Forming! - YouTubeYouTubeStart of suggested clipEnd of suggested clipLight. But they're extremely durable and you can bend pretty tight with these i'm not sure the exactMoreLight. But they're extremely durable and you can bend pretty tight with these i'm not sure the exact radius. But you can bend uh bends really tight. And we'll show you that here in a minute.

How do you round concrete edges?

0:341:33How to Edge Concrete with a Edging Trowel - YouTubeYouTubeStart of suggested clipEnd of suggested clipGoes through the back you keep it slightly higher in the back when you're trying to smooth theMoreGoes through the back you keep it slightly higher in the back when you're trying to smooth the concrete out. Now. Here's you know the proper way right they're slightly.

What can I use for curved concrete forms?

Hardboard is inexpensive form material and is easy to flex into smooth curves. Hardboard siding is intended for exterior walls, but it's also great stuff for forming curves because it's flexible and cheap.

How do I make concrete forms?

0:037:43How to Build Concrete Forms - YouTubeYouTubeStart of suggested clipEnd of suggested clipWe can attach a string line and pull taut to the other batter board on the far side of this wall.MoreWe can attach a string line and pull taut to the other batter board on the far side of this wall. Line we can then move this screw or we can add additional screws.

How do I create a curved formwork?

To make a broad curved edge with formwork, simply bend the timber into shape and peg it in place. If you want to make a tighter curve, do the job in stages. Start by pegging a broad curve in place. Then pour water over the timber to make it flexible.

How do you lay curved concrete?

1:213:41Garage Build Part 14 - Building curved concrete sidewalk forms - YouTubeYouTubeStart of suggested clipEnd of suggested clipYou can see how that curve sets up we kind of pile some sand up on the other side and it's a reallyMoreYou can see how that curve sets up we kind of pile some sand up on the other side and it's a really nice. Look when you're trying to put curves in concrete. And then we've joined it into the straight

How do you make a radius formwork?

0:001:25Creating Radius or Curved Slab - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo what we do is we use one sheet of quarter-inch. And we create our shape. And then we come backMoreSo what we do is we use one sheet of quarter-inch. And we create our shape. And then we come back and screw another sheet on to that giving us a half inch full thickness.

What is a shovel circle?

Shovel (recommended) Circles are flattering in the landscape, lending rounded lines that soften and offset the hard angles of square houses and outbuildings. Creating a circle with concrete blocks is a straightforward task, but trying to "eyeball" the circle may lead to a lopsided shape.

How to make a nail protrude on the other side?

Hammer the 4-inch nail through the center of the stick at the mark, so it protrudes on the other side.

What is the best way to pour a concrete circle?

Pouring a circle of concrete requires a firm form. If the circle is to cover a large area, the sides of the form will need to be braced to prevent bulging or malformation of the planned shape. Concrete forms are usually made of wood; but wood does not readily bend into a circular shape. The correct approach for creating a form for a concrete circle will be influenced by the size and purpose of the object.

What is the best wood to use for a circle?

Plywood. Plywood can be used for large circles where the arc is wide and gentle. They can be scored on the back with cuts about 2/3 the depth of the board, spaced about every half inch along its length. This will increase the flexibility of the wood as the cut spaces will expand as pressure is applied to bow the board.

Can you use small circles for paving stones?

Small Circles. Small concrete circles, such as might be used for paving stones, can be poured into small plastic commercial forms or into cake pans. Be sure to oil the form well before pouring! You should be able to reuse these forms several times. Advertisement.

What to do when you are finished pouring half round steps?

When you are finished pouring a set of half-round steps using these techniques, take a picture and hold it next to a set of regular steps on your next estimate. If people can see what they are going to get, they will pay more for these types of steps, I promise you.

Where are half round steps made?

Half-round steps created by Jason Geiser and his crew at a home in Medina, Ohio. Photos courtesy of Deco-Crete Supply

Why is it important to pour the steps separately?

Because steps are one of the most visible parts of a job, it is important to give them the attention they deserve. This means pouring the steps separately from the rest of the job. If you only have one step it may be possible to pour everything together, but if you have more than one step I would pour the steps separately.

How to keep steps from sinking?

Attach a piece of angle iron to anchor your steps and keep them from sinking.

Can you pour concrete into steps?

Do not pour the concrete into the steps using the concrete chute! A good old-fashioned shovel works best. If the forms are filled evenly, the stakes you put in are just to hold your forms to height and nothing else. The concrete will naturally push to where it needs to be as long as your forms are well-fastened to the house.

Do stamped concrete steps have square ends?

Time and time again I have seen stamped jobs that are beautifully detailed, with crisp impressions and perfectly contrasting colors, but are adjacent to steps that are just regular concrete. The steps have square ends and flat risers. They may have some texture or they may not, depending on how quickly the forms were pulled, and at most, they have lines drawn down the faces. You can do better.

Can you use styrofoam on a radius step?

Using Styrofoam liners on a radius step can be difficult because Styrofoam is not very flexible. To help with this, apply bending tape provided by the manufacturer and line the back of the form to ensure that it will bend but not break. After applying the tape, use screws with fender washers and run them through the front of the liner into your forming material to pull the liner closer to the form.

How to cut concrete in half?

Empty the bag of concrete in a wheelbarrow. Place the bag of concrete into a wheelbarrow and use a hoe or a shovel to cut the bag in half. Lift off both sides of the bag and empty out the contents into the wheelbarrow. Instead of a wheelbarrow, you could use a concrete tray.

What to use to bind concrete together?

This coarse material will help bind the concrete together once it dries. If you want a smoother concrete finish, you should use smaller pieces of gravel or crushed brick. Continue to mix all the dry ingredients together to create your concrete mixture. ...

How to make cement from limestone?

To make your own concrete from limestone cement, mix 2 parts all-purpose sand to 1 part cement in a wheelbarrow with a shovel or in a cement mixture. Mix in 4 parts of gravel or crushed brick to the mixture, then slowly add water into the dry ingredients.

How to mix cement dust with sand?

You can buy all-purpose sand online or at a hardware store. If you have access to a concrete mixer, you can use that instead of a shovel and wheelbarrow. Add two parts of sand for every one part of cement dust that you have and make sure that they are well incorporated.

What is the best way to bind cement and sand together?

Limestone helps bind the cement with the sand and gravel. Without it, your cement wouldn't bind together well.

How much space does an 80 lb bag of concrete fill?

An 80 lb (36.28 kg) bag of concrete will fill up .6 cubic feet of space. You may want to rent a small powered mixer.

What is concrete made of?

Concrete is a building material that's comprised of fine and coarse materials bound together with cement. If you need to do improvements on your home, you may want to make some concrete yourself.

How to make a circle with landscape timbers?

1. Draw out or otherwise plan the design for the landscape timbers. Determine how big you want the circle to be, the size for each timber, how many timbers you will use and the angle the timber ends must have. If you will use a miter box to guide your cuts, make sure that your planned angles for the timber ends are angle options offered on ...

How to cut wood along a line?

Cut the timber along the planned line, using the saw that accompanies the miter box or another saw that fits the miter box. Otherwise, you can carefully cut along the line with a handsaw, circular saw or chainsaw while someone holds the timber steady.

How to cut wood to fit together?

Use the cut end of the timber or the removed portion of wood as a guide for the cut on the adjacent timber to ensure that they will fit together. Repeat the tracing and cutting process for the rest of the timbers. After cutting each timber, check the cut edges with the protractor or angle-finder to make sure they have the desired angle. Make adjustments or re-cut the timbers as needed.

image

1.Videos of How Do You Make a Circle Out Of Concrete

Url:/videos/search?q=how+do+you+make+a+circle+out+of+concrete&qpvt=how+do+you+make+a+circle+out+of+concrete&FORM=VDRE

4 hours ago  · On this week's Technique of the Week, Jason shows you how to form a perfect circle!ELITE PLASTIFORM: https://www.deco-cretesupply.com/products/forms-expansio...

2.Forming A Perfect Circle Concrete Pour! - YouTube

Url:https://www.youtube.com/watch?v=qrL_MzPOjd4

10 hours ago  · How do you make a circle out of concrete? Measure out how large the circle is to be, find the center of it and place a stake in the ground. Attach a length of rope half the desired diameter of the circle to the stake, stretch out the rope to where the edge of...

3.How to Make a Circle With Concrete Blocks | eHow

Url:https://www.ehow.com/how_6048116_make-circle-concrete-blocks.html

36 hours ago Place a concrete block on the ground in the center of the proposed circle and use your hammer to gently tap the nail in the stick into the center of the concrete block. Tap …

4.How to Pour a Perfect Concrete Circle Slab for a Fire-pit

Url:https://www.youtube.com/watch?v=eXvzhLW0Syk

27 hours ago How to Form a Concrete Circle Determine the size of the circle, determine the center, and place a stake in the ground. Attach a length of rope half the diameter of the circle to the stake, stretch it out to where the circle’s edge will be, and walk around the circle holding the rope’s end.

5.What to Use as a Form to Pour a Concrete Circle | Hunker

Url:https://www.hunker.com/13425271/what-to-use-for-a-form-for-concrete-to-pour-a-circle

28 hours ago  · In this video we will be Pouring a perfect concrete circle for a fire pit, and also announcing the winner from the previous video give away! Hope you all enj...

6.How to: Planning, Pouring and Finishing Half-Round …

Url:https://www.concretedecor.net/departments/concrete-placing/planning-pouring-and-finishing-half-round-steps/

31 hours ago  · Using a flexible plastic form to make a circle first requires plotting out a perfect circle in the desired location. Clear out any debris, place a metal stake at the center of the future circle, then tie some twine to it using a loose loop to secure the twine over the post.

7.How to Make Concrete: 13 Steps (with Pictures) - wikiHow

Url:https://www.wikihow.com/Make-Concrete

11 hours ago Calculate the amount of concrete needed in cubic feet and cubic yards for a slab in the shape of a circle. To calculate the concrete volume needed for this type of slab, you need to know the circle's diameter and the depth of this slab.. Formulas Area A = π * D² ÷ 4 Perimeter P = π * D Volume V = π * D² ÷ 4 * (d ÷ 12)

8.How to Cut Landscape Timbers to Form a Circle - SFGATE

Url:https://homeguides.sfgate.com/cut-landscape-timbers-form-circle-50769.html

4 hours ago From a structural standpoint, steps poured separately can move independently from the slab on grade. Attach a piece of angle iron to anchor your steps and keep them from sinking. 2. Setting your Foundation. When prepping to pour your steps, it is important that you have a solid foundation for them to sit on.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 1 2 3 4 5 6 7 8 9