# how much iron needed in 4inches thick roof of concrete

### Concrete Calculator - Schmitz Ready Mix

Ready-mixed concrete is sold by volume measured in cubic yards. If you can determine the area of your concrete project (length x width for rectangular projects) and know the thickness of the slab, you can use the information in the Concrete Volume Calculator below to determine how much concrete you need.

### Concrete Calculator | Volume Calculator | Concrete2you

Our concrete calculator allows you to accurately work out the amount of concrete you'll need for your project. Simply add the measurements for your concrete order to the relevant shapes above (you only have to fill in the shape/s you want to use) You can build up a concrete calculation for complicated areas by adding additional shapes of each type.

### How many yards of concrete will it take for a 12' x 12' slab?

How many yards of concrete will it take for a 12' x 12' slab? ... If it is 4 inches deep/thick, 2 cubic yards. ... That will give you How many yards of concrete you need. Then you need to call ...

### Concrete Calculator – Find Yards or Bags Needed for a Slab ...

You’ll also get the number of 40-pound, 60-pound, or 80-pound bags of concrete are needed for the project. For example, a 10′ x 10′ slab that is 4″ thick will need an estimated 1.23 yards 3 or 74 60lb bags of concrete and will cost roughly \$100. Step by Step Without a Calculator

### How Much Concrete Do I Need? | Sakrete

The number one question that we get on our hotline (1-866-Sakrete) is, “how much concrete do I need”? But let’s face it, unless you have a practical real world application for those boring math problems, you just don’t care enough to retain it.

### How to Estimate the Cost of a Concrete Slab | Hunker

How to Estimate the Cost of a Concrete Slab ... /27]. The average concrete slab is 4 inches deep, but if you need more for your particular application, just calculate the depth you plan to use. Make sure to translate the thickness of the slab from inches to feet before using the equation above.

### Effect of Concrete Strength and Slab Thickness on Floor ...

Thus the reduction in thickness causes a 12 percent reduction in load-carrying capacity. The increase in load-carrying capacity due to the higher-strength concrete is greater than the reduction in capacity due to the reduced thickness. We'ld give this information to the floor designer and let him decide what remedial action, if any, is needed.

### GENERAL REQUIREMENTS FOR PATIOS AND SERVICE …

GENERAL REQUIREMENTS FOR PATIOS AND SERVICE WALKS Need To Submit: ... The minimum concrete thickness of a patio or service walk within the boundaries of the owner’s property shall be no less than 4 inches thick. The concrete thickness of all public walks shall be no less

### Cost of Concrete Sidewalks - Homewyse

The homewyse Concrete Sidewalk cost estimates do not include costs for site regrading or excavation, or demolition and removal of existing sidewalk. Higher priced Concrete Sidewalks may include features/attributes that include better cure management, stronger surface, more uniform surface finishing and better warranty.

### How to Estimate Concrete - YouTube

Jul 16, 2012· (20'x40') = 800sqft / 80 = 10 Cu Yards of concrete! If you are pouring a 6" thick slab: Multiply width by length and divide the resulting number by the constant (50).

### How much concrete is needed for a slab 100 square feet by ...

How much concrete is needed for a slab 1200 square feet by 4 inches thick? You'll need 400 square feet (or just under 15 yards) of concrete, but be sure to get some extra to allow for overage ...

### Concrete roof forming - Concrete Engineering general ...

Mar 18, 2005· concrete will be about 4 inches thick. Between the ibeams would be either 1/2 or 3/4" plywood. Does this sound resonable? the beams would remain in place. I was hoping to get like 4" or 6" I-beams. Any better way of building a concrete roof? Thanks

### Concrete Calculator | Floating Slab Cubic Yard Calculator

For pole barns used as a garage, implement storage farm buildings, and many other uses, a concrete floor is a great addition. Dirt and gravel floors are cheap but they are also hard to keep clean and maintain. Dirt and gravel floors are subject to erosion when drainage is a concern for your site location.

### Concrete-Calculator - Schlosser Concrete

Ready-mixed concrete is sold by volume measured in cubic yards. If you can determine the area of your concrete project (length x width for rectangular projects) and know the thickness of the slab, you can use the information in the Concrete Volume Calculator below to determine how much concrete you need.

### Concrete Slab Calculator – Estimate The Amount Of Concrete ...

Concrete Footing Calculator helps homeowners and contractors estimate the amount of pre-mixed concrete needed for footings, slabs and walls. Enter the dimensions of your project, and you will get results in cubic yards, as well as the number of concrete mix bags needed for the job.

### Concrete for paths, patios, slabs and driveways - the ...

Concrete - how to use it . ... The need for any expansion joints - every 2 metres (6ft 6in). Extended slabs . A patio or similar area taking just foot traffic, chairs and tables: The thickness of the concrete - 100mm (4 inches). The thickness of the sub-base - 100mm (4 inches).

### How Much Concrete Do You Need to Pour a 10-by-20-Foot Slab ...

How Much Concrete Do You Need to Pour a 10-by-20-Foot Slab? The amount of concrete needed for a 10-by-20-foot slab depends on the thickness of the slab. A 10-by-20-foot slab with a thickness of 4 to 8 inches requires 2.5 to 5 yards of concrete.

### Asphalt Mixtures Calculator - Vulcan Materials Company

Asphalt Mixtures Calculator. Enter the width, length and thickness, then hit the “Calculate” button to calculate your estimate. You may also revise the default density value of 145 lbs/cubic ft. Actual densities may vary depending on the components of the mix.

### 2019 Concrete Calculator | Concrete Estimator | How Much ...

Feb 11, 2019· Concrete and cement can get expensive, so it pays to know how much concrete you need for your next masonry project. Enter the ImproveNet concrete calculator. Check out the table above to see various formulas for calculating how much concrete your project requires based on the shape of the area you’ll be covering.

### How Many Bags Of Concrete Do I Need: How Much Concrete …

How much concrete do I need? How many bags of concrete do I need? Learn how to calculate how much concrete is needed for projects around the home and how many bags of concrete mix to buy. Using basic calculations, figure out the volume of large and small projects or irregularly shaped areas

### How much should a 8ft x 10ft x 4inch thick concrete pad ...

Ask Your Question. Angie's List Answers is the trusted spot to ask home improvement and health questions and get answers from service companies, health providers and consumers. ... How much should a 8ft x 10ft x 4inch thick concrete pad cost ... In fact, for this size job I might even use a concrete buggy to haul sacked material to the mixer ...

### What's the quantity of steel, cement and sand for 1100 ...

First convert area in to Sqm ie, 1100/10.76 = 102.23 Sqm Thickness of Slab is 125mm As a thumb rule, for Slab the minimum Steel consumption is 70Kg/Cum So Volume of concrete is 102.23*0.125 = 12.8Cum So Steel required for the above area is = 70*12...

### Metal vs. Tile: How Does Metal Roofing Compare to Concrete ...

May 11, 2016· Concrete roof tiles are thick and have a unique advantage; they can reflect and absorb the heat before it gets a chance to make its way into the attic. Metal, on the contrary, is very thin. While it remains a highly reflective roofing material, it also transfers a greater amount of heat into a structure’s attic, when compared to concrete roof ...

### Patio Slab Thickness Tips - Is a Thicker Concrete Slab ...

Mar 08, 2010· I'm using the word might not, because I've seen 6 inch thick patio slabs with large cracks and I've seen 3 1/2 inch thick patio slabs, without even one hairline crack in it.

### Minimum Standards for Structural Design | RCC Structures ...

Jan 11, 2019· Construction on Site | Design of RCC Structures[/caption] Minimum RCC beam size should not be less than 9″x 9″ (225MM X 225MM), with an additional slab thickness of 125 MM.I generally use a minimum of 4 bars, with 2 bars of 12 MM thickness in the bottom of the beam, and 2 bars of 10 MM at the top of the beam.

### Constructing a Concrete Roof | HowStuffWorks

­A concrete roof is exactly what it sounds like: a solid slab of concrete capping the top of your house. Exact specifications vary, but most concrete roofs are several inches thick. For example, the Florida-based company Hurricane Proof Systems ­ offers a 7-inch (18-centimeter) slab of concrete …

### Concrete Calculator Formula - concretematerialscompany.net

To use the Concrete Volume Calculator, simply enter the width, length, and thickness of your pour, click on whether you are measuring the thickness in feet or inches, then click on the Calculate button.The calculator will estimate the number of cubic yards of concrete that will be required.

### Concrete Slab Calculations - Hansen Buildings

In my neck of the woods, concrete is pretty darn expensive. I only want to order what is actually needed to do the job. First, let’s talk about concrete slab thickness. Concrete floors and slabs on grade are called out by their “nominal” thickness. Just like a 2×4, a four inch thick slab is only 3-1/2” thick.

### Concrete Slab Thickness - Engineering ToolBox

Recommended thickness of concrete slabs. ... - the most efficient way to navigate the Engineering ToolBox! Concrete Slab Thickness Recommended thickness of concrete slabs . Sponsored Links ... 5 inches (0.1 - 0.125 m) Farm building floors, Home basement floors : 4 inches (0.1 m) Sponsored Links . Related Topics . Miscellaneous - Engineering ...

### How Thick Does Concrete Need to Be to Hold Up Weight? | …

Structural concrete work is planned to bear loads, or hold weight, but transfer the weight to the soil base beneath the structure. The thickness of concrete is an important factor in load-bearing strength, but to conserve resources and avoid over-building, other factors are also taken into consideration.

### Concrete Floor Slabs| Concrete Construction Magazine ...

Jul 23, 2007· Standard concrete floor slab thickness in residential construction is 4 inches. Five to six inches is recommended if the concrete will receive occasional heavy loads, such as motor homes or garbage trucks. To prepare the base, cut the ground level to the proper depth to allow for the slab thickness.