Quantity of steel is not dependent on the volume of concrete, but on the structure where it is being used. Slabs: 0.7 to 1.0%, Beams: 1% to 2%, Columns: 1% to 5% It may vary depending upon the loading condition as well For Example Lets take exampl...

Get Pricetotal concrete about 1 cubic metre ...and weight of concrete 2.2 tonnes ... Number one rule of thumb for rebar. The rebar goes in before the concrete. I have tried to make a few things over the years out of rebar and that is the damnedest metal I have ever seen. If …

Get PriceFor example, according to SP (Russian norms for Nonprestressed Concrete Structures) minimum reinforcement area should be determined Asmin = mus * b * h0, where Asmin - is the minimum area of reinforcing steel within the tensile zone, mus - is the minimum reinforcement ratio, for bending mus =0.001, for bending with axial force mus =0.0025, b ...

Get PricePREFACE All 40 years of m y working lif e, I spent on erection of diff erent process plants most of which were oil indus try projects in the country and abroad, in Europe and North Africa.

Get Price100 kg of rebar to a metre cube of concrete - BINQ Mining Nov 10, 2012 · How many kg of steel reinforcement in one cubic meter concrete. It all depends on the type and sizes of the steel used.

Get PriceA 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. A 4 inch slump (the ...

Get PriceAug 21, 2009· Preliminary design Rules of thumb 1. The cost of reinforce concrete (in place) is usually somewhere between $100/m3 and $800/m3. This illustrates the fact that for a "rule of thumb" to be any good, the background for its development needs to be known.

Get PriceFeb 04, 2012· After you’ve taken the time to create a model to figure concrete volume you might as well take a few more simple steps and figure rebar for the thickened edge and lineal feet of material required to form the slab perimeter. The Offset Tool makes quick work of this process with results displayed in the Entity Info dialog box. Concrete Guarantee:

Get PriceDec 14, 2018· Shuttering is framed to bring the concrete in Shape. Thumb rule to calculate the shuttering required is 6 times the quantity of concrete or 2.4 times of Plinth area. Suppose, the concrete quantity is 0.5m 3 then the shuttering area required is 0.5 x 6 = 3m 2. Components of Shuttering:-

Get PriceA 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. A 4 inch slump (the ...

Get PriceOct 22, 2017· For Slab = Covered area x thumb rule = 2000 x 0.16 = 320 No’s Ans.. For Beam = Beam bottom plate running feet x thumb rule = 480 x 0.5 = 240 No’s Ans… 5. Ms Clamps: = Covered area x thumb rule = 2000 x 0.08 = 160 No’s An.. 6. Shuttering Oil: = Covered Area x thumb rule = 2000 x 0.006 = 12 litters Ans..

Get PriceZonolite One 4 cubic foot bag ﬁ lls 16 - 8”block or 9 - 12” block Filling Block 12” blocks….1.44 cubic yards per 100 block (Core Voids) 10” blocks….1.22 cubic yards per 100 block 8” blocks…. .93 cubic yards per 100 block 6” blocks…. .63 cubic yards per 100 block Fire …

Get PriceTypical average weight of reinforcement (kg/m3) in concrete building elements. The below figures are for guideline only and may vary for different projects. Concrete building element. Weight of reinforcement in kg/m3. ... Commercial = 100 kg/m3 Institutional = 90 kg/m3. Your comments:

Get PriceA good rule of thumb is to have a minimum of about 3.0 - 3.5 cubic yards of concrete mass to serve as your safe room base. For a 4" thick slab, this equates to about 250-300 sq ft of surface area. The slab can be a square or rectangular so long as the minimum depth and surface area requirements are met.

Get PriceDec 02, 2003· Re: concrete coverage over rebar Thank you. That does make sense, tho most slabs with poly are inside and it is rare, here at least, to have them more than 4" thick if on comacted grade so that would be 2" cover at most and "rebar" in these would be WW Mesh at 6x6 x 10 ga.

Get PriceRules 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.

Get PriceA 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. A 4 inch slump (the ...

Get PriceMay 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) = 276 in^3 / 1728 in ...

Get PriceWhat 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? ... What is the formula for estimating reinforcement rebar? Pound, ton. Rebar is purchased in what two ways? Flat sheet, 5'x150' rolls. ... Unlike forms for slabs and other concrete to be poured ...

Get PriceThe weigh of rebar per a square yard of concrete - Answers.com. Reinforcing steel can vary greatly depending upon the design of whatever concrete ... at reinforced concrete paving, a more typical "rule of thumb" is per cubic yard of concrete. ... Fresh concrete can weight about 3700 lbs for every cubic yard. More details » Get Price

Get PriceHow to Build a Concrete Driveway. Concrete driveways are permanent, low maintenance additions to your home that can improve its appearance, give kids a safe place to ride scooters, decrease erosion, and make keeping your car clean easier....

Get PriceYes there is a thumb rule for it. It surely depends on the structural elements to be concreted. For eg: take a beam of size 200*300 mm and length 5m. Then the total concrete required will be l*b*h i.e .2*.3*5 = 0.3 m3. Now let's calculate it's shu...

Get Pricefor slab we are using70kg of steel for1cum for rcc beam column need2 3 steel say2 5 steel so for10 cum rcc 10Ã2 5 0 25 cum steel 1962 5kgm steel i know1 cum steel

Get PricePut 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.

Get PriceNov 29, 2012· PT Support Rebar; PT Pocket Former (eventually filled with grouted) Rebar (mild steel) Other Embeds; Assuming concrete costs $100 per cubic yard, the concrete contractor could potentially reduce his bid by 13 cubic yard of concrete (or $1,300) for this 100,000 sq.ft. concrete deck. – Neel Khosa, Vice President, AMSYSCO

Get PriceJul 17, 2017· 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 a level grade.

Get PriceRebar 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.

Get PriceAnswer / mrinal bose. Approximate Shuttering value 1:8.88 it is standard shuttering volume. The standard column size 300 mm X 450 mm, Slab thk is 125 mm, plinth beam 230 mm X 350 mm, Beam/ slab beam 230 mm X 450 and foundation shuttering will less then above average shuttering quantity 8.88 Sqm per cubic …

Get PriceThese rules of thumb generally result in a footing design that differs somewhat from the plain concrete design provisions of Chapter 22 of ACI-318. It should also be understood that footing widths generally follow the width increments of standard excavation equipment …

Get PriceMethod-1 : Reinforcement Estimation (Thumb Rule Method) This simplest method is based on the type of structure and the volume of the reinforced concrete elements. Average values for typical concrete frames: Heavy industrial = 130 kg/m 3 Commercial = 100 kg/m 3 Institutional = 90 kg/m 3.

Get PriceThe cost of construction project highly depends on the requirements of labor for various activities during construction. There are direct and indirect costs associated with the labor. They are the salary of labors, their accommodation, food, insurance cost etc. Thus it is essential to understand the number labors required for each activity of the construction […]

Get PriceThere are endless thumb rule used in Construction Industry , I am stating few of them listed below : - Concrete : 0.038 cum per sq. ft. of plan area. (+/- 5%) Steel : 4.50 to 5.00 Kg per sq. ft. Shuttering : 2.40 to 2.50 times the plan area of sla...

Get PriceR.c.c Beam = 1.8 to 2% % steel Required in volume of concrete R.c.c column = 2.5 % % steel Required in volume of concrete R.c.c Road = 0.6 % % steel Required in volume of concrete (1) Here take Column 1 m3 concrete volume calculation is (2.5 x 1/100) x 7850 =196.25 kg steel Required (2) Here take Column 6.90 m3 concrete volume calculation is

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