What do you fill around a sonotube?

You can, as you pour your concrete, fill the hole to sonotube level, and add sand or gravel around the outside of the sonotube as you fill it with concrete, that’ll keep it from flowing up around the tube. Also, run your mix on the stiff side, and it’ll ooze less.

How do you pour a concrete pier level?





Quote from the video:
Quote from Youtube video: So what you end up with is you fill the bottom of the hole with cement and you have a wider 18. Or 20 inch circumference of cement in the bottom of the hole.

What kind of concrete do you use for piers?

Use standard concrete mix. Don’t worry about the size of the aggregate in the mix. Just make sure to tamp the concrete properly within the tube to get air out and fill the voids…… the ‘rocks’ will not be visible after peeling the tube off if that’s what you’re worried about.

Do I need rebar in sonotube?

We usually recommend that a minimum of two pieces of #4 rebar be placed vertically in an 8-inch-diameter concrete pier supporting a structure. A larger-diameter pier should have four or more pieces of vertical rebar.

How do you fill a concrete sonotube?

Place the tube in the hole, filling around the outside to secure. If the tube extends more than 2 feet above the ground line, provide additional support with a collar or wooden frame and side braces. Fill: Be sure the Sonotube® Builder’s Tube® concrete form is dry before filling it with concrete.

How much cement does it take to fill a sonotube?





Based on the fixed diameter and depth (or height) of the sono tubes for a project, our customers can get an accurate calculation of the amount of ready-mix concrete needed to fill that sono tube. For example, a sono tube with a 10″ diameter and a 4′ depth requires 0.08 cubic yards of concrete.

How deep should concrete piers be?

Piers can be square, rectangular, or circular, and diameter of piers is usually 6, 8, 10, or 16 inches. The depth of pier foundation is below the freezing depth, usually around five to six feet.

How much weight can a 12 inch sonotube support?

Sonotube Round forms are designed for 12 feet of full liquid head, ie: 12 feet x 150 psf/ft = 1,800 psf. Sonotube Commercial and Finish Free are designed for 20 feet of full liquid head, ie: 20 ft x 150 psf/ft = 3,000 psf.

Do concrete piers need footings?

You can also use concrete block to build your own piers, but this requires that you pour a concrete footing at the bottom of the hole for the block to rest on. You then have to fill the cores of the concrete block with steel rods and a concrete mix to make them solid.

Can you put too much rebar in concrete?



Cracking occurs when the reinforcement places too much strain on the drying concrete, causing it to fail to accommodate shrinkage. In contrast, honeycombing occurs during the formation process when concrete fails to pour between the rebar gaps, resulting in air pockets in the structure.

How much concrete do I need for a 8 inch sonotube?

Concrete Requirements Size Chart

Diameter (in.) Height of Column
3ft. 16ft.
6 .022 .117
8 .039 .206
10 .061 .323

How many bags of concrete does it take to fill an 8 sonotube?

Concrete Mixes

SONOTUBE
# of bags required per: 25 kg
8″ x 4′ tube 3.2 8″ x 8′ tube
10″ x 4′ tube 5.1 10″ x 8′ tube
12″ x 4′ tube 7.3 12″ x 8′ tube

How many bags of concrete do you need for piers?



1 cubic yard = 27 cubic feet



In order to have enough concrete for one cubic foot, you’ll require 2.2 bags of 60-lb concrete. Since bags are only sold in whole (not half, or quarter) quantities, you’ll need to purchase three (3) 60-lb. bags for one cubic foot.

Can you leave sonotube in the ground?

No, it’s not a problem to leave the Sonotube and its plastic “Square Foot” (like these) in the ground forever. Although they will slightly retard the hydration (loss of water) of the concrete mix, the concrete will achieve enough strength in a few days to build upon.

How many 80 lbs bags of concrete make a cubic yard?

45 bag

One 80lbs bag of Quikrete Concrete Mix will yield approximately . 60 cu ft. So it will take 45 bag to equal one cubic yard of concrete. If you have a project over a 1/2 a cubic yard you should consider our Mix On-site Concrete especially if you are hand mixing.

How much concrete will a 94 lb bag of cement make?



4.5 cubic feet

One 94 lb. bag of Portland Cement makes 4.5 cubic feet of concrete. For thicknesses less than 2 inches and toppings, use: 1 part of Portland Cement with 3–4 parts of concrete sand or general purpose sand.

How many 80lb bags of concrete do I need for a 10×10 slab?

At 4″ thick, for a 10×10 slab, generally, you will need 1.23 cubic yards or 33 cubic feet or either 74- 60lb or 56-80lb bags of premixed concrete.

How many yards of concrete can a truck hold?

Concrete trucks weigh an average of 25,000 lbs. by themselves and up to 40,000 lbs. when carrying a full load. Their capacity is around 8 cubic yards, but can be up to 10 cubic yards if fully-loaded.

Can you pour concrete over dirt?



Long story short, yes you can pour concrete over dirt.

Is mixing your own concrete cheaper?

Is It Cheaper to Mix Your Own Concrete? Concrete mix and the supplies needed for mixing concrete are relatively inexpensive. Provided you have the time to spend on mixing your own concrete, you may save some cash by doing it on your own.