Modulus of Elasticity. These tubes are what gives concrete its porous structure. Most areas place a legal limit for how much weight a truck can safely carry. Alternatively, in some factory settings, concrete is mixed into dryer forms to manufacture precast concrete products such as concrete walls. 140 lbs. Concrete Washout - You will need to provide a washout area for the truck after it is finished pouring the concrete. Remember: A cubic foot or yard of concrete weighs less once its broken up due to the empty spaces between the pieces. Maintenance checklists, sustainability tips and more for the business-owner. 6 inches of concrete is a common thickness for a driveway. At a thickness of 4 inches, a concrete slab weighs about 50 lbs per square foot of surface area. Volume in Cubic Feet Under Platform =Platform Depth x (Rise Height x Number of Stairs) x Width. Do you have the concrete tools that you need? The concrete itself weighs exactly the same before and after demolition. The calculator would perform the following calculations to calculate that the slab would need 174 bags: $$Volume = Length \times Width \times Thickness = 12\,ft \times 12\,ft \times 4\,in = 48\,ft^3$$, $$Weight = Total\,volume \times 145\,lb/ft^3 = 48\,ft^3 \times 145 = 6960\,lb$$, $$Bags = {Weight \over 40\,lb} = {6960\,lb \over 40\,lb} = 174\,bags$$. Concrete weighs 12.5 lb per square foot @ 1 inch thick. The lengths are in meters and centimeters, the areas are in square meters, the volumes are in cubic meters, and the weights are in kilograms and metric tons. Use our concrete calculator to calculate how many yards you'll need for slab and footing pours. Our Concrete Footing Calculator makes it easy to do concrete footing calculations in just moments. Heres a breakdown of how much 1 square foot of concrete weighs at different thicknesses: The weight of concrete per square foot is calculated based on the length, width and thickness of the slab. You can benefit and get an accurate cubic yards value of the amount of concrete that you need to make your custom structure. Choose the Round Column (or Round Slab) on the concrete calculator. Find press releases, news articles, videos and more from our company. The Rebar Calculator is now available in Spanish. The weight per square foot for a 20 Gauge Galvanized panel in W2-36 is 2.1 pounds per square foot and the W3-36 is 2.3 pounds per square foot. Answer (1 of 13): It sounds like you are asking what thickness and PSI strength is needed to hold a fully loaded Semi-truck and Trailer. You also need to consider depth. Its important to understand the real world difference between how much a solid concrete slab weighs per cubic foot and how much it weighs after its been demolished. 2 - 6 million psi for the conventional concretes. A solid slab of concrete weighs 150 pounds per cubic foot. ft. of concrete @ 9 inch thick weighs 112.5 pounds/sq. Simply take the area (in square feet) you want to use as a measurement and divide the number of pounds you want to place on the area by that number. It uses a premixed cement density of 133 pounds per cubic foot (60 pounds/0.45 cubic feet, or 80 pounds/0.60 cubic feet) or 2,130kg/cubic meters to obtain the weight in the result. You may use the following formula to get its weight in pounds per square foot if you know how thick your concrete is. Suspended Acoustical Ceiling System : 2.5 pounds per sq. Standard Portland cement concrete has a compressive strength of 3,000 to 6,000 pounds per square inch (psi), or about 20,684.27 to 41,368.54 kilopascals (kPa). ft. of concrete @ 7 inch thick weighs 87.5 pounds/sq. But you cant fill them up all the way. Weight. What is the weight of concrete per square foot. Smaller slabs, such as the hot tub base can easily be poured offsite and then delivered to your home. Weight For Types of Metal Deck As you have come to learn metal deck comes in different types: roof, floor, form, and cellular. The reason why the numerator is 144 is that there are 144 square inches in one square foot. When dry concrete is mixed with water it becomes a semi-solid similar in consistency to thick oatmeal. How can I calculate the weight of a square foot of concrete? Purchasing slightly more concrete than the estimated result can reduce the probability of having insufficient concrete. ft. of concrete @ 1 inch thick weighs 12.5 pounds/sq. Since concrete is a mixture of different compounds, so it is made by combining some of the materials together in a perfect proportion. and stack on the job site costs $0.30 to $0.60 per square foot. Proper mixing is essential for the production of strong, uniform concrete. 33 x .037 = 1.22 cubic yards. The Density of Crushed Concrete Road Base: 2,410 lb/yd or 1.21 t/yd or 0.8 yd/t. Once you are ready to buy the material, it can help you find the amount of concrete you need based on your project. First, use concretes weight per square foot or cubic foot to calculate the weight of your concrete. Volume in Cubic Feet Under Each Step =Run Depth x (Rise Height x Step Number) x Width, Volume in Cubic Feet = Volume in Cubic Feet Under Platform + Volume in Cubic Feet Under Stairs. To find the weight of your concrete debris, first, calculate the square footage of the material by multiplying the length by the width. Keep in mind that although a slab may appear dry on the surface it may still be holding water inside. Get empty-and-returns when you're generating a lot of debris. 7000+ psi. In John's example: pavers per square foot = 144 / 36 = 4. Its made by mixing together cement, sand and stone with water. ft. (49.95) ANSWER: 400 x 49.95 = 19,980 Pounds Another way to calculate the weight of a concrete slab is if you know the total cubic yards of the slab. Learn more about the people who make renting a dumpster easy. 12 inches of concrete is a common thickness for footings. Concrete can be ordered in yard increments. Some concretes are even designed to harden more quickly for applications that require rapid set time. I want to construct a circular slab of concrete measuring 5 ft high. $$Weight = Total\,volume \times 145\,lb/ft^3 = 14.167\,ft^3 \times 145 = 2054\,lb$$, $$Bags = {Weight \over 50\,lb} = {2054\,lb \over 50\,lb} = 41.08 \rightarrow 42\,bags$$, $$Cost = Total\,volume \times Price\,per\,unit\,of\,volume = 14.167\,ft^3 \times 108\,$/yd^3 = $56.67$$. Then, there are cellular, cork, roller-compacted, glass and asphalt types of concrete as well as endless possibilities to choose from.if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[300,250],'squarefootagearea_com-banner-1','ezslot_8',139,'0','0'])};__ez_fad_position('div-gpt-ad-squarefootagearea_com-banner-1-0'); As soon as you pick the material, you need to figure out how much concrete you need for your concrete project. Most areas have a 10 tons (20,000 pounds) weight limit for dumpsters for safety reasons. First, add up the total length of rebar you need. Follow our helpful guides and complete your outdoor projects. 2022 ConCalculator.com All Rights Reserved. The calculation that you get is the volume of your tubes only and does not account for any overflow or loss at the bottom of your tubes. Cubic yards are used to calculate large amounts of broken concrete. For large concrete jobs (of 4 cubic yards or more), the concrete calculator can help you see the amount which needs to be delivered by a ready-mix truck. Multiply the length by the width to calculate the square footage of concrete. Then multiply that by the estimated depth of the concrete. CEMENT WEIGHS 145 POUNDS FOR A CUBIC FOOT. How much does 8 inches of concrete weigh per square foot? Wall Length (feet) length x12. That means a concrete of 5 foot width, 5 foot height, and 5 foot length will have a weight of 750 pounds (if it is a solid slab). As you can see, there are different formulas for different project types. There is also a concrete type that is known as high or ultra-high performance which means that it can take a lot of hits. For each measurement of length, you are able to work in metric units (feet, yards, inches) or imperial units (centimeters, meters). Since they are thicker, they require more concrete to stay strong against a whole house which is something you should definitely consider. Our concrete calculator lets you estimate the volume or weight of concrete on any given area. Stone pavers that are 1 inch thick weigh about 12 -14 pounds per inch per square foot. Once you break the slab open youll be able to see what type of reinforcement the builders used. Keep in mind that concrete is typically poured to be 3-4 inches thick. How much does 12 inches of concrete weigh per square foot? ft. 1 sq. ft. of concrete @ 10 inch thick weighs 125 pounds/sq. Simply select the desired units in the drop down options and our concrete calculator will do the following conversions: $$1\,ft = 12\,in = 0.33\,yd = 30.48\,cm = 0.3048\,m$$ $$1\,t = 2000\,lb = 0.893\,long\,ton = 907\,kg$$ This is especially important when doing demolition work or transporting broken concrete. Multiply the volume by the density (in the same units) to get the weight Simply multiply its length x width (L x W). If you are continuously wondering and asking yourself How much concrete do I need? you have landed on the right page. Things like the psi of the slab, moisture content, rebar, wire mesh, and stone size also effect its weight. Discover how we provide a better dumpster rental experience. Calculate and the answer is 0.08 cubic yards for one concrete tube Multiply 0.08 x 50 = 4 total cubic yards of concrete for 50 tubes Note that this calculation is the volume of your tubes only and does not account for any overflow or loss at the bottom of your tubes Concrete Volume Formulas and Images for Different Concrete Forms Square Slab They are used according to the need of solidification of the building. A cubic foot of concrete fills a space 1 foot wide x 1 foot long x 1 foot deep. The same segment created from lightweight concrete weighs approximately 14.5 pounds. When calculating the weight of a concrete slab per square foot, per cubic foot or per cubic yard, you have to account for more than just the concrete. To understand how concrete calculator works we must first begin with the definition of volume. The dry concrete weighs around 300 pounds per cubic foot. Renovate and transform your home with room-by-room project tips and guides. Lets say I need to construct a square concrete slab that is 12 feet wide (an area of 144 square feet) and 4 inches deep. This will tell you if you if there may be a problem in the project plan that needs the expensive attention of an engineer. Sometimes concrete and cement are used interchangeably, but cement is actually an ingredient of concrete. Keep in mind that a cubic yard of broken up concrete will weigh less than a solid slab due to the empty spaces between the pieces. Simply select from the multiple options in the drop down menu to select a different weight. Standard density for asphalt is 145 lb/ft 3 (2322 kg/m 3 ). Get one point of contact for reliable debris cleanup at every jobsite. How much does 4 inches of concrete weigh per square foot? The International Housing Code, on which most local building codes are usually based, requires floors in rooms other than bedrooms to support a minimum . In this example, you'd need 18 lengths at 20 feet for a total of 360 linear feet. 100 x .33 = 33 cubic feet. Construction, Cement, Concrete Yardage Calculator. density of concrete, Asphalt is equal to 2 243 kg/m. This is because the densities of these two forms of concrete vary. At a thickness of 1.5 inches, a concrete slab weighs about 18.75 lbs per square foot of surface area. The paste is obtained by combining cement and the water in a proper proportion which depends upon the thickness of the paste. Circular slab with price per unit of volume, 4 curbs with price per unit volume and 50 lb bags of concrete. However, its easy to work this out by using our concrete calculator. ft. 1 sq. Table 14-in. ft. of concrete @ 8 inch thick weighs 100 pounds/sq. If you have a lot to get rid of, rent more than one dumpster to avoid overage fees and ensure the debris can be hauled safely. (this gives you the depth in feet.) Multiply the answer by 50 of concrete for 50 tubes (0.08 x 50). Make the calculations and see the changes. Use our weight calculator to determine the best size for this project. Put in the dimensions of your project in our concrete calculator below to find the number of cubic yards required and the estimated total cost for concrete delivery. Which is, as Internationally defined, how heavy is normal reinforced concrete. When filling a concrete dumpster or your truck with concrete its better to figure a little heavy so you dont overload the truck. Now lets figure out the weight of a concrete slab per square foot that's 4 inches thick. Well, our calculator can figure this out for you as well. In comparison, granite is approximately 18 pounds per square foot. Smaller jobs, however, can give you an estimate on the number of concrete bags you need. Concrete cost per square foot. When it comes to concrete walls, it can be hard to know just how much they will cost per square foot. From there, find the weight of the material and factor it into your weight calculation. If you load it full of broken concrete thats 3900 lbs. The best way to calculate how much concrete you will need in cubic yards is to do the following: NOTE: As you probably know, foundation walls and stem walls need different calculations. For example, a 4 inch thick concrete slab weighs 50 lbs per square foot (12.5 lbs per sq. Compressive Strength. When concrete turns from a semi-solid paste into a rock hard structure it dries out and hardens. Mortar density is 125 pcf (2,003 kg/m). 8000 psi. For a broken concrete, the weight of 5 cubic feet will be 575 = 375 pounds. 1 cubic meter of Concrete, Asphalt weighs 2 243 kilograms [kg] 1 cubic foot of Concrete, Asphalt weighs 140.02592 pounds [lbs] Concrete, Asphalt weighs 2.243 gram per cubic centimeter or 2 243 kilogram per cubic meter, i.e. The bigger the concrete chunks the more voids youll have. Cement can be used alone for smaller jobs like grouting or to repair cracked concrete. This is because truck beds and dumpsters are measured by volume. To calculate how many patio pavers fit in one square foot, the following formula is needed: pavers per square foot = 144 / single brick's area. American Rebar Rebar Rebar - Footings and Foundation Wall Rebar - Slab, Driveway or Patio Slab using custom cut length Rebar Canadian Rebar Weight Canadian Rebar Weight - Metric European Rebar Weight American Rebar Weight Copyright 2022 Gambrick Construction website by On Your Mark Design and Graphics. Each unit has square ends and two square cores, as shown in Figure 1. The weight of a ton of rebar is then multiplied by the rebar's length. (102-mm) Single Wythe Wall WeightsHalf-High Units (A) E.g. Find upfront dumpster rental prices near you. Its then poured into forms where it dries, hardens and grows strong. How do you calculate the weight of concrete? 6 inches slab of concrete. ft. of concrete @ 4 inch thick weighs 50 pounds/sq. Volume is the space / area that a substance occupies in this case its concrete. I want to estimate how many 40lb bags of concrete I need. If one cinder block costs $1.5, you will pay 563 * $1.5 = $844.5 Our concrete calculator lets you estimate the volume or weight of concrete on any given area. ft. per ties. One square foot of 1.5 inch thick normal concrete weighs about 18 pounds. If you multiply the area of this section 5' x 5', you will get 25 square feet. You have 50 round concrete form tubes, cement tubes or any other tubes you need to fill. 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