Aug 31, 2012 · "Cement" is not concrete, but can be used to make concrete by mixing with sand, stone and water. The density of cement is about 3120kg/m3. Asked in Building and Carpentry , Home Improvement ...

Learn MoreProject Instructions. Machine mixed concrete should be mixed in a barrel-type mixer. Step 1 Measure the recommended water amount for the number of bags to be added to the mixer and pour half of the water into the mixer (each 80-pound bag will require abo

Learn MoreMixing your own cement requires time and effort, but it can also save you some money. To make standard concrete, mix 1 part Portland cement, 2.5 parts sand and 2.5 parts gravel with .5 parts water. Use water that's clean and free from acid, alkaline, sulf

Learn MoreHow Many Cubic Feet Is One Bag of Cement? An 80-pound bag of concrete makes 0.6 cubic feet. A cubic foot of any material is enough to fill a box that is 1 foot wide, 1 foot tall and 1 foot long. In order to determine the volume of concrete required for a

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Learn More* With a mixer of 120L capacity, with a 1:6 mix, the cement portion for a batch needs to be more-or-less half of a 25Kg bag of cement. * I'll be making then 6 batches as I use up my 3 bags of cement as I make my 0.25 cu m of concrete.

Learn MoreConcrete mixers make mixing large amounts of concrete and cement easy. To be effective, concrete needs to be mixed well and quickly, which is hard to do by hand. Mixers are ideal for all kinds of projects, from small, do-it-yourself home improvement proje

Learn MoreJun 01, 2009 · However when mixed together the volume drops down to the 85-90 litres mark, but obviously the weight stays the same, so you end up with concrete of density around 2.4 tonnes per cubic metre.

Learn Morein bags = total quantity in kg / weight of 1 bag of cement = 403.2 / 50 = 8.064 bags of cement. sand quantity in 1.54 cubic meter concrete; in cubic meter = ( part of sand in the mix / sum of mix ratio) X quantity of concrete = (1.5 x 1.54)/5.5 = .42 cubi

Learn MoreThis calculator estimates the required amount of cement, sand and aggregate (stone) for mixing on site for a given area of concrete. Please note that this is based on a 1:2:4 ratio mix.

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