# How much concrete is in 80 lb bag of concrete?

How much concrete is in 80 lb bag of concrete? 30 cubic feet, 60 pounds of concrete mix yields . 45 cubic feet and an 80-pound bag yields . 60 cubic feet.

How much concrete is in a 80lb bag of concrete? 80 lb bag of concrete yields 0.60 cubic feet which is approximately around 0.0222 cubic yards that will cover around 3.6 sq ft area up to standard depth of 2 inch excavation or backfills, and for 1 cubic feet of landfill you will need 1.66 bags of 80 lb concrete.

How fast do you have to hit water for it to feel like concrete? With normal posture and normal atmospheric pressure, this is a speed between 117 and 125 miles per hour, or approximately 54 meters per second.

Why is water so hard when you hit it? It doesn”t actually become hard. Water has mass. Hitting the water forces it to move, and hitting harder means it moves faster. Making the water move faster requires more force.

## How much concrete is in 80 lb bag of concrete? – Related Questions

### Why is the concrete convention triangles architecture?

Pressures caused by breaking the surface make water act more solid on shorter timescales, which is why they say hitting water at high speeds is like hitting concrete; on those short times, it is actually like concrete!

### How to install rebar in concrete driveway?

Pressures caused by breaking the surface make water act more solid on shorter timescales, which is why they say hitting water at high speeds is like hitting concrete; on those short times, it is actually like concrete!

### How to become a concrete pump operator?

The qualifications you need to become a concrete pump operator, also known as a concrete pumper, are a commercial driver’s license (CDL) and a basic understanding of mechanics. If you don’t already have a CDL, your employer may help you obtain one, so you able to drive a truck from one construction site to another.

### What carpet padding to use on concrete?

Frothed foam padding is a good choice to use on concrete floors, because it responds well in heavy-traffic areas. This can be a plus for carpeting a family room or recreation room that has a concrete subfloor. Frothed foam is densely packed and will adhere well to the concrete and the carpet backing.

### How to get fertilizer stains out of concrete?

How to Remove Fertilizer Stains from Concrete. Start with a clear white vinegar, diluted 50:50 with water, and see if that removes the stains. Hang in there — you’ll need to apply the vinegar solution on the stain multiple times, scrub lightly, and then rinse. Test it on a small area first to see if it works.

### Is smooth concrete porous?

Yes, concrete is a very porous material. It starts off as a dry mixture made of cement, sand and stone. Once clean water is added, the cement chemically reacts and forms a paste that binds the sand and aggregate together.

### What four materials are used to make concrete?

Concrete is a mixture of cement, air, water, sand, and gravel–it’s as simple as that! Not exactly. The typical concrete mix is made up of roughly 10% cement, 20% air and water, 30% sand, and 40% gravel.

### How to install subfloor on concrete slab?

To install a floated subfloor system, first place a layer of plywood subfloor panels with the edges parallel to the wall. Use a ¾” spacer between the plywood and the wall and a 1/8” spacer between panels. Next, lay a second layer of plywood at a 45-degree angle to the first layer.

### How to drill bolts into concrete?

The quickest, easiest way to drill into concrete is with a hammer drill, which uses both bit rotation and concussive blows to bore the holes. If you don’t own a hammer drill you can use a standard corded electric drill or cordless battery-powered drill, but it’ll take at least twice as long to drill each hole.

### Why are freshly poured concrete slabs floated?

Pulling the flat surface of the bull float over the concrete surface embeds large aggregate, smoothes the surface and removes high and low spots. According to the National Ready Mixed Concrete Association, keeping the bull float as flat as possible prevents premature sealing of the cement surface.

### How to patch a hole in concrete foundation?

Just before filling each hole with the expanding concrete-repair product, use an old spray bottle and spritz the hole with a spray of clean water. You want the surface of the inside of the hole to be slightly damp. This will really help the patching material bond with the dry concrete.

### How do i level my concrete floor?

Just before filling each hole with the expanding concrete-repair product, use an old spray bottle and spritz the hole with a spray of clean water. You want the surface of the inside of the hole to be slightly damp. This will really help the patching material bond with the dry concrete.

### How to attach bottom plate to concrete floor?

Attaching the bottom plate of a wall to a concrete floor can be done using any of the following methods:

### How to get concrete off car paint?

Spray the stains with vinegar for a more affordable solution. Fill a spray bottle with half pure white vinegar, then top it off with lukewarm water. Shake the contents of the spray bottle for 5 minutes to mix the water and vinegar thoroughly. The vinegar’s acidity dissolves the cement, making it easier to remove.

### How much area does 3 yards of concrete cover?

Regarding this, “how much does concrete cover?”, with a standard thickness of 4 inches, normal weight, a cubic yard of mix or crushed concrete will cover about 81 square feet of area or ground, 2 cubic yards of concrete will cover around 162 sq ft area, 2 1/2 (two & half) yards of concrete will cover around 203 sq ft …

### How to bolt into concrete block?

Drill a pilot hole at the proper location with a hammer drill and masonry bit to the depth your screw will penetrate. Tap the plastic anchor into the hole. It should fit snugly but drive in easily with a hammer. If the hole gets a bit large, use a bigger screw to push the plastic against the walls of the hole.

### Is it cheaper to mix concrete yourself?

One of the least expensive ways to get concrete is to mix your own. … Otherwise, you risk getting a weaker concrete once it cures, which could lead to cracks or crumbles within a couple of years. Consider renting a truck, since mixing the bags one at a time limits your ability to get consistent results.

### What to use to soak up motor oil off concrete?

If the spill is still wet, cover the stain with clay cat litter, sand, cornmeal, cornstarch or baking soda. This will help absorb the oil before it soaks into the cement. Once the spill has dried, sweep up the absorbent material. Then, wet the stain with water.

### Can you change the color of concrete roof tiles?

If you still want a different look on your roof after it’s cleaned, it is possible to place a different tinted top coat on the tiles to give them a unique appeal and color. … The colored top coat can bring your tiles to life in a whole new way without causing you the cost of replacement.

### How are large decorative concrete urns made?

If you still want a different look on your roof after it’s cleaned, it is possible to place a different tinted top coat on the tiles to give them a unique appeal and color. … The colored top coat can bring your tiles to life in a whole new way without causing you the cost of replacement.