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Rule of thumb lbs of rebar per cy

  • Estimating the amount of re-bar??? - Structural

    May 21, 2008· The calculation you provided would only apply if your foundation was solid steel! Since it is an estimate you could consider minimum reinforcing per ACI 10.5.1 or simply 0.00333 x bw x d therefore if you have a 4' square footing x 18" your min reinf would be 48" x 18" x 0.00333 = 2.877 in^2 x 48" length (discounting cover because it is an estimate) x 2 (for each direction)

  • How much quantity of steel required for 1m3 concrete? - Quora

    Quantity of steel in concrete depending on type of structure and load of structure. For Foundation :- 0.5 to 0.8 % steel are required Let we take minimum 0.5 % of steel is required on 1 m3 concrete Then quantity of steel. = (0.5/100)×1× 7850 = 39.

  • Concrete Basics in Construction from Construction

    Rebar is central to reinforced concrete, so a basic understanding helps. The various sizes are important to know: a #3 bar is 3/8 in diameter, a #7 bar is 7/8 in diameter, etc. The easy rule of thumb for rebar sizes is to take the rebar size and divide by 8 for the diameter in inches. Rebar

  • Rules of Thumb for Strength Contribution Concrete

    May 01, 1994· May 01, 1994· However, rules of thumb are useful in estimating the properties of trial mixes. Here are some rules of thumb that can help estimate strength contributions for different cementitious materials and water reducers. Portland cement--many experienced concrete mix specialists use 10 psi per pound of cement per cubic yard of concrete at 28 days.

  • Southern Rebar Rebar: Weight per Linear Foot

    Size: Inch-Pound System. Soft Metric System. Nominal Diameter: Weight per Linear Foot #3 #10. 0.375" 0.376 lbs. #4 #13. 0.500" 0.668 lbs. #5 #16. 0.625" 1.043 lbs.

  • US Rebar Weight Calculator LBS/Foot

    Weight of Rebar in Pounds: lbs: American Rebar. Imperial Bar Metric Size Size Decimal (in) Diameter (mm) #2 #6: 1/4" 0.25: 6.35 #3 #10: 3/8" 0.375: 9.525 #4 #13: 1/2" 0.500: 12.7 #5 #16: 5/8" 0.625: 15.875 #6 #19: Pounds per Cubic Yards / Pounds per Cubic Foot Kilos per Cubic Metre Concrete Volume and Cost Concrete Cost from a Price per

  • ESTIMATING CONCRETE MASONRY MATERIALS - NCMA

    For common batching proportions, 1 ton (2,000 lb, 907 kg) of masonry sand is required for every 8 bags of masonry cement. If more than 3 tons (2,721 kg) of sand is used, add ½ ton (454 kg) to account for waste. For smaller sand amounts, simply round up to account for waste. This equates to about 240 concrete masonry units per ton of sand.

  • GENERAL & TECH INFORMATION

    Pounds per Square Foot for Indicated Thickness (Includes 75 psf Live Load) Pounds per Square Foot for Indicated Thickness Note: Chart is based on a concrete weight of 150 pounds per cubic foot. * ACI 347 recommends a minimum 100 psf for form design or 125 psf if motorized carts are used. Concrete cures and gains strength faster with an increase in

  • Concrete Curb Calculator for Maryland Concrete

    A good rule of thumb is take your calculation and add 4% to 10% to the total to account for waste, spillage, over-excavation, settlement, spreading of forms, loss of entrained air or any other changes in volume. Concrete can be ordered in ½ yard increments. Slump Slump is a measure of the consistency of the concrete.

  • USING RULES OF THUMB IN COST ESTIMATING

    Oct 24, 2020· We use rule of thumb allowances such as pounds per square foot for structural steel framing, pounds per cubic yard of concrete for rebar quantities, number of sprinklers required per 100 square

  • Material Estimates - Engineer-Educators

    By rule 42, multiply the cubic feet of rock (1 inch size coarse aggregate) by 100 since the average dry compacted weight of this rock is 100 pounds per cubic foot. Include a handling loss factor in ordering materials for jobs. Add an additional 5 percent for jobs requiring 200 or more cubic yards of concrete, and 10 percent for smaller jobs.

  • How many yards are in a ton of crush and run?

    Apr 26, 2020· Most gravel and crushed stone products have similar weights per ton.A general rule of thumb when converting cubic yards of gravel to tons is to multiply the cubic area by 1.4. For your reference, gravel typically weighs 2,800 pounds per cubic yard.In addition, there are 2,000 pounds to a ton.

  • What is the thumb rule for a rough estimate of steel by

    In Reinforced Cement Concrete (R.C.C), if details are not given the volume of steel may be taken as 0.6% to 1% of R.C.C volume. * No deduction for steel is made in the volume of concrete.

  • How many pounds of rebar are in typical concerete per

    Feb 05, 2013· 10 mm rebar weighs 0.376 pounds per foot. Square Yard is not a very good measure unless you're looking at reinforced concrete paving, a more typical "rule of thumb" is per cubic yard of concrete.

  • Rules of Thumb for Strength Contribution Concrete

    May 01, 1994· However, rules of thumb are useful in estimating the properties of trial mixes. Here are some rules of thumb that can help estimate strength contributions for different cementitious materials and water reducers. Portland cement--many experienced concrete mix specialists use 10 psi per pound of cement per cubic yard of concrete at 28 days.

  • Stay-form Weight 11.9 lbs. per sheet is made from hot

    Weight 11.9 lbs. per sheet Installation Notes The AMICO rule of thumb is to brace Stay-Form like you would a piece of plywood. The use of rebar, strongbacks, walers, kickers, etc. (location, size and spacing) is similar to that for conventional forming methods per ACI 347, Guide to Formwork for Concrete. NOTES:

  • Concrete Basics in Construction from Construction

    Rebar is central to reinforced concrete, so a basic understanding helps. The various sizes are important to know: a #3 bar is 3/8 in diameter, a #7 bar is 7/8 in diameter, etc. The easy rule of thumb for rebar sizes is to take the rebar size and divide by 8 for the diameter in inches. Rebar

  • REBAR DISPLACEMENT Ask Dr. Concrete - Ask Dr. Concrete

    Aug 08, 2002· Aug 22, 2002· In residential construction there is never a need to subtract for rebar. In commercial, it would depend on what you are pouring. In waffle framed slabs with beams there could be a significant amount. Recently for example, we just finished some of these and the base rule of thumb was there was about 10 cy of steel per 350 yard pour x 13 pours.

  • Material Estimates - 14043_158 - tpub

    Material Estimates - 14043_158. Previous Page Next Page. concrete-mix design according to NAVFAC specifications. In table 6-3, one of the formulas for 3,000 psi concrete is 5.80 bags of cement per cubic yard, 233 pounds of sand (per bag of cement), 297 pounds of coarse aggregate (per bag of cement), and a water-cement ratio of 6.75 gallons of

  • What size sonotube do I need?

    To determine how many bags of concrete you will need, divide the total cubic yards needed by the yield. Use the following yields per each bag size: 40 pound bag yields .011 cubic yards. 60 pound bag yields .017 cubic yards.

  • COSC 275 Exam 1 Flashcards Quizlet

    What is the typical rule of thumb for calculating topsoil to strip on a site, given that there are no provided dimensions for the depth to be removed? How much bank cubic yards increases by upon excavation. Compacted Cubic Yards (CCY) What is the formula for estimating reinforcement rebar? Pound, ton. Rebar is purchased in what two ways

  • Are there general guidelines for the thickness of a

    There are many rule of thumb estimates of slab and beam thicknesses and sizes. For slab the rule of thumb is as follows. For a 10 foot span of slab 10X12/24 = 5 inches thick. For a 12 foot span of slab 12X12/24 = 6 inches thick and so on and so on

  • OCM MESH FORM

    Weight per Sq Ft 0.66 lbs Weight per Sheet 11.90 lbs per Sheet Installation Notes OM Mesh Form rule of thumb is to brace Mesh Form like you would a piece of plywood. The use of rebar, strongbacks, walers, kickers, etc. (location, size and spacing) is similar to that for con-ventional forming methods per AI 347, Guide to Formwork for oncrete. Notes

  • Chapter 12 Quantities, Costs, and Specifications Contents

    WSDOT Bridge Design Manual M 23-50.20 Page 12-1 September 2020 Chapter 12 Quantities, Costs, and Specifications 12.1 Quantities - General The quantities of the various materials and work items involved in the construction of

  • Assignment: Blast Design Spread Sheet Assemble A M

    Borehole diameter Cost/ft. 5 inch $3.50. 4 inch $2.00. 3 inch $1.75. 2.5 inch $1.75. Once you have finished, input the following two blast scenarios and check the results by hand to make sure your spreadsheet is good. 5 inch holes, a 100 ft. face, use ANFO, the rock is massive granite (so subdrill).

  • What Qualifies as a Safety Anchorage Point For a Personal

    Mar 30, 2012· This blog was originally posted on 3/30/2012 and updated 3/1/2021. A personal fall protection system is only as strong as its components. Selecting an appropriate anchor point for your system is an essential part of protecting yourself and your workers from fall hazards.

  • rule of thumb amount of rebar in a cube of concrete « BINQ

    May 30, 2013· Rules Of Thumb Masonry Boxley. Rules Of Thumb.Block. blocks per square foot of wall area. 75% of length of wall gives number of block per course Concrete.Typical 3000 psi mix. 2000 pounds of stone. 1000 pounds of sand 1 per every 10 brick (50 per cube) Rebar.

  • How much quantity of steel required for 1m3 concrete? - Quora

    Quantity of steel in concrete depending on type of structure and load of structure. For Foundation :- 0.5 to 0.8 % steel are required Let we take minimum 0.5 % of steel is required on 1 m3 concrete Then quantity of steel. = (0.5/100)×1× 7850 = 39.

  • Rebar mechanical splice - ballpark cost? - Concrete

    Feb 14, 2006· RE: Rebar mechanical splice - ballpark cost? LCruiser (Civil/Environmental) 13 Feb 06 09:58. You have dollars per lb. vs. cost per coupler plus time - It will vary depending on size. If you say one minute per coupler (at $1 each) at rodbuster price plus overhead of $60 per hour = $2 each.

  • REBAR DISPLACEMENT Ask Dr. Concrete - Ask Dr. Concrete

    Aug 22, 2002· In residential construction there is never a need to subtract for rebar. In commercial, it would depend on what you are pouring. In waffle framed slabs with beams there could be a significant amount. Recently for example, we just finished some of these and the base rule of thumb was there was about 10 cy of steel per 350 yard pour x 13 pours.

  • What Is the Ratio of Steel to Concrete?

    Mar 24, 2020· The ratio of steel to concrete is 100:130 for 1 cubic meter. The ratio means that for every 130 kg of concrete, 100 kg of steel is needed to support the structure. This is a rule of thumb in civil engineering that must be observed at all times, as failure to observe it renders buildings prone to ductility and cracking.

  • How much does a yard of crushed limestone weigh?

    Jan 29, 2020· Material Weight Pounds per Cubic Yard - DownEaster WEIGHT IN LBS. 2 YARDS 3 YARDS 4 YARDS 5 YARDS: Asphalt: Limestone (crushed) 2,565. How much crushed limestone do I need? A rule of thumb for many crushed stone projects is to have a minimum depth of 2 to 4 inches, although some projects require more.

  • Methods of Reinforcement Quantity Estimation in Concrete

    Estimation of steel reinforcement quantity is a necessary step in calculating cost of RCC structure along with other building materials as per construction drawing. Accurate calculation of reinforcement in the building plays an important role in the over all costing of the project.

  • Basic Hydraulic Formulas Flodraulic Group

    General Information and Rules of Thumb: Estimating pump drive horsepower: 1 hp of input drive for each 1 gpm at 1,500 psi pump output Horsepower when idling a pump: an idle and unloaded pump will require about 5% of its full rate hp

  • Georgia Masonry Supply Estimating Guide

    x 3 bags mortar) / 100 block = 6-3/4 bags of mortar). One cubic yard of sand is required for every 7 bags of mortar, therefore, the mason must also purchase .96 yards of sand ((1 cubic yard of sand x 6-3/4 bags of mortar) / 7 bags mortar = .96 yards of sand). Masonry Estimating Guide (Intended for "Rule of Thumb" use only.) Masonry Estimating Guide

  • Estimating the amount of re-bar??? - Structural

    May 21, 2008· The calculation you provided would only apply if your foundation was solid steel! Since it is an estimate you could consider minimum reinforcing per ACI 10.5.1 or simply 0.00333 x bw x d therefore if you have a 4' square footing x 18" your min reinf would be 48" x 18" x 0.00333 = 2.877 in^2 x 48" length (discounting cover because it is an estimate) x 2 (for each direction)

  • Rule of Thumb for Rebar Quantity Estimation for Slab, Beam

    Sep 24, 2020· Get One Month FREE at LinkedIn Learninghttps://bit.ly/2Zq5t95Full Course of this video: Basic Civil EngineeringFull STAAD Pro: From Beginner to Pro course a

  • Rules Of Thumb Masonry - Boxley Hardscapes

    Rules Of Thumb Block 1.125 blocks per square foot of wall area Approximately 3000 pounds per cubic yard 16 shovels per bag of mortar 800 pounds of sand for 100 block .1.22 cubic yards per 100 block 8 blocks. .93 cubic yards per 100 block 6 blocks. .63 cubic yards per

  • How many pounds of rebar are in typical concerete per

    Feb 05, 2013· rebar. Steel has a density of about 490 pounds per cubic foot, which is more than three times the density of concrete, so the generally accepted density of normally reinforced concrete is 150

  • How to Calculate Rebar Quantities Based on Square Feet

    Jan 22, 2019· Put those together, and your total order is 1,140 feet of rebar. Now, look up the weight of your rebar. If you're using #5 bars, for example, they come in at just over a pound per foot 1.043, to be precise. Multiply that by your 1,140 feet, and you'll find you need to order 1,189 pounds of rebar.

  • How much does 1 cubic yard of road base weigh?

    Since there are 2000 pounds in a ton this is 2700.2000 = 1.35 tons per cubic yard and thus 15 cubic yards weighs 1.35 × 15 = 20.25 tons. How much is a ton weigh? Ton, unit of weight in the avoirdupois system equal to 2,000 pounds ( 907.18 kg ) in the United States (the short ton ) and 2,240 pounds (1,016.05 kg) in Britain (the long ton ).

  • Concrete Slab Rebar Spacing Guideline Hunker

    There's no generally-accepted rule of thumb as to how to space rebar in a concrete slab. There are many variables that influence the decision of how much space to leave, including the maximum load the slab is likely to have to support, the bearing capacity of the soil, the diameter of the reinforcing rebar, the likelihood of frost heaving the slab, and whether or not the slab is on

  • How many yards are in a ton of crush and run?

    Apr 26, 2020· Most gravel and crushed stone products have similar weights per ton.A general rule of thumb when converting cubic yards of gravel to tons is to multiply the cubic area by 1.4. For your reference, gravel typically weighs 2,800 pounds per cubic yard.In addition, there are 2,000 pounds

  • Using the Rule of Thumb Method in Cost Estimating

    The rule of thumb is a method for developing quick approximate estimates of costs. Examples of the application of the rule of thumb allowances are: pounds per square foot for structural steel framing, pounds per cubic yard of concrete for rebar quantities, and. the number of sprinklers required per 100 square feet of floor space, etc.

  • Rules of thumb for strength contribution

    cements. These rules of thumb do not include the influence of admixture s . Many experienced concrete mix spe-cialists use 10 psi per pound of port-land cement per cubic yard of concre t e at 28 days. Water reducers. Typically, concrete mixes containing a water reducer pro-duce a higher compressive strength than can be attributed to the reduced

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