![]() = Sand /Sum of Ratio X Quantity of Morterīy Considering dry loose bulk density of sand 1550 kg/m 3 Quantity of Mortar =Volume of Block Masonry − Actual Volume of Blocks without mortarĪdd 15% more for wastage, Non - uniform thickness of mortar joinsĪmount of Cement = Cement /sum of ratio X Quantity of Morter No of Blocks = Volume of one concrete block / Volume of one blockĪctual Volume of Blocks Morter = No of Blocks X Volume of Block Without Morter = Length (m) X Depth (m) X Wall thickness (m) Here, we will demonstrate easy step by step process to calculate the concrete blocks used for civil construction. Calculation of Concrete BlocksĬalculating the quantity of blocks needed for a building is a straightforward process that does not require any previous building or architectural skills. This is then heated before being mixed with cement, lime and a small amount of aluminium sulphate powder. PFA is mixed with sand and water to form a slurry. The blocks are made from cement, lime, sand, pulverised fuel ash (PFA) and water. The shape and texture can directly affect its workability. The shape of the lightweight aggregate used in concrete can be cubical, rounded, angular, or of any other shape. The lightweight aggregate is a kind of coarse aggregate which is used in the production of lightweight concrete products like concrete block, structural concrete, and pavement. These blocks are used for internal and external loadbearing walls, including walls below ground. These blocks are as heavy per cubic metre as bricks, they are not good thermal insulators and their strength in resisting crushing is less than that of most well burned bricks. The usual mix is 1 part of cement to 6 or 8 of aggregate by volume. The blocks are made of Portland cement, natural aggregate or blastfurnace slag. There are mainly three types of Concrete Block: Concrete blocks’ advantageous properties are reflected in their myriad of variations of strength, insulating and sound-reducing properties. Today, the immense versatility of concrete blocks is demonstrated in their use throughout a building from its foundation walls, through cavity walls, monolithic walls, partition walls, separating walls and as a component of ‘beam and block’ flooring. The mix, cast in wooden moulds, consisted of powdered limestone and clay mixed with water. In 1827, Joseph Aspidin devised the basic mix that we would still recognise today. For questions or problems with calculations, please contact RCP Block & Brick.History of Concrete Blocks: Though history records the use of concrete blocks by the Romans, Greeks and even Egyptians (some of the two-tonne blocks that make up the Pyramids are believed to be a primitive form of concrete), modern-type blocks were first cast, albeit in modest quantities, in around the middle of the nineteenth century. RCP Block & Brick, its Agents, Employees, Application Development Team, and their Families hold no responsibility for how you, the User, apply the information obtained from calculations and estimates created by this app. RCP Block & Brick always recommends visiting a physical sales location in order to obtain a first-hand visual of the products you are interested in using for your project. All images within the app represent the closest depiction of the products they intended to display but are not going to be an exact match to actual product represented. Many products within this estimator have height restrictions suggested by the product designers and engineers. Please refer to your local building department for those requirements. As an example, block walls typically require concrete foundations and reinforcing steel, but are not calculated or presented as “Needed.” Each city or county has different building standards and requirements that should be followed for various types of hardscape and/or building wall projects. Other products beyond those presented as “Needed” for a particular project or estimate might be necessary to complete said project and have been purposely excluded in the interest of simplicity of information returned within this app. Results provided, are based on industry standards or most currently available conversions. All results for the provided calculators are estimates only. Product calculations may not be applicable for products from other manufacturers and suppliers, or for projects in other areas. The RCP Block & Brick Hardscape & Masonry Calculators are intended to provide only general material quantity estimates.įor a more accurate estimate, please contact RCP Block & Brick.Ĭalculations are based on RCP Block & Brick's specific line of products and building practices in the Southern California area.
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