how to calculate 20 mm metal in m 10 mix grade concrete

"M" stands for "mix". Mix represents concrete with designated proportions of cement, sand and aggregate. And the number following "M" represents compressive strength of that concrete mix in N/mm 2 after 28 days. For example, for M20 grade of concrete mix, its compressive strength after 28 days should be 20 N/mm 2. You can also watch ...

When ordering concrete from a redimix supplier, the concrete comes in cubic yards. If you tell the Dispatcher your dimensions and thickness, he can figure the concrete for you as well. It's important to accurately calculate the amount of concrete for a project because it's very expensive to buy from a redimix company.

One Way Slab Bar Bending Schedule Calculation. Step 1. FIrst, find number of rods required for main reinforcement and distribution. Number of Required Bars Formula = (Length of slab / spacing) + 1. Number of Main Bars = Ly / spacing + 1 = (4000/150) + 1 = 27 nos. Number of Distribution Bars = Lx / spacing + 1 = 3000/150 + 1 = 21 nos.

concrete. A properly proportioned concrete mix should possess these qualities: 1. Acceptable workability of the freshly mixed concrete 2. Durability, strength, and uniform appearance of the hardened concrete 3. Economy Understanding the basic principles of mixture design is as important as the actual calculations used to establish mix proportions.

M20 (1 cement : sand :3 stone/ aggregate). To determine the proportions you have to perform mix design, for this you have to find out the of cement, CA, FA, and water cement ratio ...

Steel Weight Calculator. The weights calculated on this steel weight calculator page are for guidance only. They are calculated using average densities for the materials. The exact composition of the material will affect the weight of the actual piece. The information provided .

09/07/2017 · The mix design M40 grade for Pier (Using Admixture – Fosroc) provided here is for reference purpose only. Actual site conditions vary and thus this should be adjusted as per the loion and other factors. Parameters for mix design M40 Grade Designation = M40 Type of cement = grade Brand of cement = Vikram [.]

2) concrete quantity calculation for staircase and its formula. Aggregate or stone chips are used in Building, Bridge, dams Construction aggregate, or simply aggregate, is a broad egory of coarse to mediumgrained particulate material used in construction, including sand, gravel, crushed stone, slag, recycled concrete and geosynthetic aggregates. . Aggregates are the most mined materials ...

k = 15 kN/m Variable, q k = 10 kN/m Design Life = 50 years Fire resistance = R60 Exposure classes = XC1 Materials Concrete Char. strength, f ck = 30 N/mm2 Steel char. strength, f yk = 500 N/mm2 Links char. strength, f yk = 500 N/mm2 Reinforced concrete unit weight = 25 kN/m3 Use, bar 1 = 20 mm bar 2 = 12 mm links = 8 mm

To calculate the cement and sand for 100 m 2 plastering area in 1:6 ratio and 12 mm thickness. Plastering thickness 12 mm = 12/1000 = = 100 m 2 x = m 3. (This is wet volume that means we need this much volume of cement mortar after mixing water, So for dry volume, we have to add 3035% as bulkage of sand, we are using 35% and ...

For example, let's calculate the weight in steel of a bar with length 1 meter and diameter of 20 mm. The volume of the steel bar is the product of the area of the crosssection and the length: π x r 2 x l = x 10 2 x 1000 = 314,160 mm 3 = cm 3 (r = 1/2 x diameter, l = 1 m = 1000 mm).

OnSite Concrete calculator. Use this calculator to determine how much sand, aggregate (gravel) and cement is required for mixing on site a given area of concrete (1:2:4 ratio). Please enter the dimensions in the white fields below and click calculate to display the results. See below for help on concrete.

Volume of excavation rounded up to the nearest cubic metres (m3) is given below. Volume Cubic Metre* (m3) No of bags 3 5 7 9 11 Estimating how many 20kg bags of premix concrete to order (rounded up to the nearest full bag) * 108 x 20kg bags of Boral Cement Concrete Mix will fill 1 cubic metre (m3). Depth of hole (mm)

Linear thermal expansion applies mostly to solids. Knowing the initial length L 0 [m] of a given solid ( metal rod), the temperature difference ΔT [ºC] and the coefficient of linear expansion of the solid α [1/ºC], the change in length ΔT [m] of the solid can be calculated as: [Delta L = alpha cdot L_0 cdot Delta T tag{1}] The change in length is directly proportional with the ...

The ratio means for every 130 kg concrete 100 kg of steel is needed. 100 kg of steel strengthen the structure in RCC. Failing this ratio of steel to concrete would cause weakening the structure and fatal cracks to it. Based on the construction type ratio of TMT Steel Bar to Concrete is: Civil Construction / Heavy Industrial Construction = 130 kg/m3

calculation, and the steel is exposed and reaches the yield stress, F y For stress analysis in reinforced concrete beams the steel is transformed to concrete any concrete in tension is assumed to be cracked and to have no strength the steel can be in tension, and is placed in .

For example, concrete of grade M15, concrete of grade M20, concrete of grade M 25 etc. Here represents mix and the numerals represent the characteristic compressive strength of the concrete. The design of concrete and structure is carried out on basis of reference of these values. How to calculate characteristic strength of concrete

IS has designated the concrete mixes into a number of grades as M10, M15, M20, M25, M30, M35 and M40. In this designation the letter M refers to the mix and the number to the specified 28 day cube strength of mix in N/mm2. The mixes of grades M10, M15, M20 and M25 correspond approximately to the mix proportions

03/08/2018 · Where 33, 43, 53 compressive strength of cement in N/mm2. M20 = 1 : : 3 =, (Cement : Sand : Aggregate) Some of Mix is – Where, M = Mix. 20 = Characteristic Compressive strength. Consider volume of concrete = 1m3. Dry Volume of Concrete = 1 x = m3 (For Dry Volume Multiply By ) Now we start calculation for find ...

OnSite Concrete calculator. Use this calculator to determine how much sand, aggregate (gravel) and cement is required for mixing on site a given area of concrete (1:2:4 ratio). Please enter the dimensions in the white fields below and click calculate to display the results. See below for help on concrete. Dimensions.

Let's take example of M25 Which mix proportion is 1:1:2 First part show the cement is 1 Second part is for sand is 1 Third part of aggregate is 2 This is Volumatric batch. Now we get concrete grade now we require quantity of all materials. We wan...