Dec 21, 2016· Any one please send mix design for m30 grade of concrete using 1%, 1.5%,2% crimped Steel and poly propylene fibres. Farjad January 25, 2018 at 3:19 pm. Reply. 50multiple 27.6and thicknass 0.42 How to calculate cemant bages … plzz tell me. Ravi yadav January 7, 2019 at 6:24 pm ...

Get PriceMar 02, 2010· Mixing 2.5 tons of concrete in a backyard mixer is crazy, it'll be long and hard slog, I should know, I've tried it once, on half of that amount, it almost broke my back and the result wasn't all that good. Most concrete producers can deliver mini-loads of concrete, starting from 1/3 of m3. It costs more, but saves a lot of hassle. Chris

Get PriceThus, for the proportion of mix considered, with one bag of cement of 50 kg, 0.1345 m 3 of concrete can be produced.. We have considered an entrained air of 2%. Thus the actual volume of concrete for 1 cubic meter of compacted concrete construction will be = 1 -0.02 = 0.98 m 3.. Thus, the quantity of cement required for 1 cubic meter of concrete = 0.98/0.1345 = 7.29 bags …

Get PriceOur mix-on-site concrete calculation is based on batching by volume (Large construction sites employ batching by weight which is more exact). You can also estimate the quantity of sand and gravel required by weight; Simply multiply the volumetric quantity of sand and gravel with 1400 kg/m 3 (bulk density of sand) and 1600 kg/m 3 (bulk density ...

Get PriceBoth of these concrete calculators make an allowance for the fact that material losses volume after being mixed to make concrete. Calculator are provided for a general mix and a paving mix, the different ratio of materials are: General mix - 1:5 cement:all-in ballast or 1:2½:3½ cement:sharp sand:gravel. and

Get PriceHow heavy is concrete? Calculate how many kilograms ( kg - kilo ) of concrete are in 1 cubic meter ( 1 m3 ). Specific unit weight of concrete - amount properties converter for conversion factor exchange from 1 cubic meter m3 equals = 2,406.53 kilograms kg - kilo exactly for the masonry material type. To convert concrete measuring units can be useful when building with concrete and where ...

Get PriceWe want to know how many bags of cement are required in concrete grade M25 and cement bags required for M25 grade concrete. In M 25 grade concrete, M is stand for mix and 25 stand for compressive strength of concrete (25 N/mm2) gain in curing time of 28 days casting.. Concrete is a composite mixture consisting of cement, sand and aggregate. design of the concrete grade mix …

Get PriceWhere a more structural concrete is required you may need to add neat cement to the premixed bag. As a guide, an addition of 1kg to 1.5kg per 20kg bag of Concrete Mix can be used to achieve around 32 MPa concrete (under normal conditions). preparation Formwork made from 25mm thick timber is commonly used to mould the concrete.

Get Pricec) 15Mpa/ 26mm stone – pump mix concrete – Rate/m3. d)15 Mpa/ 26mm stone – regular/ 75mm slump concrete – Rate/m3. e) 30 Mpa/19mm stone – pump mix concrete – Rate/m3. f) Establishment costs and rate/m3 for a telescopic boom pump – 36m length. boom. g) Cost of aggregates – 13mm, 19mm, 26/16mm concrete stone; river sand;.

Get PriceAug 03, 2018· Some of Mix is – 5.5. Where, M = Mix 20 = Characteristic Compressive strength. Consider volume of concrete = 1m3. Dry Volume of Concrete = 1 x 1.54 = 1.54 m3 (For Dry Volume Multiply By 1.54) Now we start calculation for find Cement, Sand and Aggregate quality in 1 cubic meter concrete. CALCULATION FOR CEMENT QUANTITY

Get PriceWhether you hand mix concrete in a plastic tub, homemade mixing tub or wheelbarrow, the technique is the same to find the right concrete mix ratio. However, it's easier to move and dump concrete that's mixed in a wheelbarrow. For larger jobs, you could rent a mixer ($35 per day), but it may be more economical to simply order ready-mix concrete.

Get Price1. All the above mixes yield an amount of concrete slightly more than the quantity of coarse aggregate in the mix. 2. Sand should be clean, well graded, free from excessive clay, organic material and fine silts. 3. The often-used engineering term “water-cement ratio” is a ratio of weights. For example, a typical “water-cement” ration of ...

Get PriceJul 18, 2016· I need to mix 2.5 cubic meters of concrete and would appreciate any guide to how long this may take. There'll be two of us, one mixing and one laying, so it's the mixing time I'm after. Apparently the mixer has a 90 litre drum. The minimum time I've calculated to be 28 drums x 8 minutes = approx 3.75 hours. I imagine the reality may be much longer.

Get PriceDensity of concrete = 2400 kg/cum. So, 1 bag of cement produces = 400/2400 = 0.167 cum. No. of bags required for 01 cum of concrete = 1/0.167 = 5.98 bags ~ 6 bags. From above, if the concrete mix is 1:2:4 , to get a cubic meter of concrete we require. 1.Cement = 6 bags = 300 kgs. 2.Fine Aggregate = 115/0.167 = 689 kg

Get PriceConcrete mix ratio of 1:3:3 – On mixing 1 part cement, 3 parts sand with 3 parts aggregate produces concrete with a compressive strength of 3000 psi.. On mixing water with the three ingredients, a paste is formed that binds them together till the concrete mix gets hardened.The strength concrete is inversely proportional to the water/cement ratio.

Get PriceOne cubic metre of concrete weighs 2.5 Tonnes. Typically, 1m3 of concrete is made up of 350Kg of cement, 700Kg of sand, 1,200Kg of chippings and 150 Litres of water. The mix design process can either be conducted on the basis of charts or experimentally. These methods are based on achieving the maximum density of concrete..

Get Price1. The amount of water added to a mix must be enough to make the mix workable and plastic. 2. Common cement complying with SANS 50197 may be used for concrete, plaster or mortar. 3. Stone for concrete should be 19 mm or 26 mm size. 4. If you use a wheelbarrow for measuring, it should be a builder’s wheelbarrow which has a capacity of 65 ...

Get PriceApr 24, 2019· In general the volume of a wheelbarrow ( the standard ones used in the building industrie ) is defined as 80 liter. & m³ is 1000 l 1000 divided by 8 = 12.5 wheelbarrows

Get PriceWater should be added to obtain a workable but non-segregating mix, the total free water being roughly 170 litres per cubic metre of concrete. Mix A is suitable for general-purpose projects, such as paths, patios and general slabs. Mix B is suitable for concrete subject to …

Get PriceLarge Batches of Concrete Mixes. 15 Mpa This is a low-strength concrete mix and is suitable for house foundations that are not reinforced, and for boundary walls and freestanding retaining walls.. To make 1 cubic metre of 15 Mpa concrete you will need to mix 5 1/2 bags of cement with 0,75 cubic metres of sand and 0,75 cubic metres of stone.

Get PriceFeb 15, 2020· The basic mixture. The basic general concrete purpose is made of 1 part of cement, 2 parts of sand and 3 parts of gravel. Water is added to these ingredients to make a paste filled with gravel. Generally, you do not want to add more water than you need. Too much water makes for the weakness of concrete when it sets.

Get PriceTotal weight of concrete ingredients = 401.5 say 400 kg. Density of concrete = 2400 kg/cum. 1 bag of cement produces = 400/2400 = 0.167 cum. How many bags of cement to make 1m3 of concrete? Number of bags of cement to make 1m3 of concrete = 1/0.167 = 6 bags. From above, if the concrete mix is 1:2:4 ,to get a cubic meter of concrete we require

Get PriceThe dry volume of concrete mixture is always greater than the wet volume. The ratio of dry volume to the wet volume of concrete is 1.54. So 1.54 Cum of dry materials (cement, sand and aggregate) is required to produce 1 Cum of concrete. Volume of Cement required = 1/(1+2+4) X 1.54 = 1/7 X 1.54 = 0.22 Cum.

Get PriceOn-Site 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.

Get PriceConcrete mix design planetetp : All about public works. Jan 30, 2008 · One cubic metre of concrete weighs 2.5 Tonnes. Typically, 1m3 of concrete is made up of 350Kg of cement, 700Kg of sand, 1,200Kg of chippings and 150 Litres of water. The mix design process can either be conducted on the basis of charts or experimentally.

Get PriceHow to Calculate Cost of Concrete Work for 1 m3 of volume: Let’s consider the concrete mix of M 20 (1:1.5:3), where, 1 is the part of cement, 1.5 is the part of fine aggregates and 3 is the part of coarse aggregates having size of 20mm. The water-cement ratio adopted for mixing of concrete is 0.45. 1 cubic metre of concrete

Get PriceMix (as per concrete use) No. 20kg bags of cement cubic metres (m3) of sand cubic metres (m3) cement sand stone of stone 1 2 3 16 0.5 0.8 1 2.5 4 13 0.5 0.8 1 3 5 11 0.5 0.9 *Slab thickness in mm. 3. Decide whether to use: (a) Premix concrete from a readymix supplier (b) Bagged cement, sand and stone (c) Bagged concrete

Get PriceWelcome to the concrete calculator. It will help you calculate the number of bags of concrete required for your path, slab or post holes.

Get PriceThen finding out how many packs or bags of dry concrete/dry concrete mix you have to buy for the calculated volume is a bit trickier. So if you want to mix concrete to fill a certain cubic meter and want to know how many bags of 25 kg concrete, 35 kg concrete or 40 kg concrete each can be bought, then you’ve come to the right place.

Get PriceApr 08, 2016· How can such a poorly expressed question be answered? How about working with the person who submitted the question to help him/her express it coherently. I was an editor once, and, particularly if English was not the person's native language, I wo...

Get PriceThe composition of the finished concrete mixture depends on the size (fractions) crushed stone or gravel, cement brand, its freshness. It is known that during prolonged storage cement loses its properties, and high humidity quality cement uhudshaetsya faster. Please note that the cement in bags can not weigh 50 kg, as it is written.

Get PriceThere are two main ways to design the concrete mix. Design mix method :- In this method, materials are proportioned based on the procedure and rules given in IS 456 (2000) and IS 10262) code . In this method, cement, sand and aggregates are always batched in terms of weight, and concrete can be designed for different environmental conditions and different needs.

Get PriceJun 18, 2018· calculate no. of cement bags required for 1m3 of cement. A volume of 1m3 of cement calculation. 29 cement bags required for one m3. Density of cement

Get Price