AAC BlockĪAC stands for Aerated Autoclaved Blocks. Fly Ash blocks are generally small in size because these blocks get less durable if their size is made bigger. It can also be used to create a smooth surface of the structure. The use of Fly Ash in the concrete helps in the reduction of the emission of CO2, and also reduces cracking problems and permeability. Fly Ash acts as a resource material for many cement products and building products manufacturing companies. Fly Ash Blockįly Ash is powdery material produced from the burning of pulverized coal. Solid concrete blocks are of the following types: 1. The general dimensions of these blocks are 40.5 × 29 × 14 (in cm).Īlso Read: What is Lightweight Concrete? Types of Solid Concrete Blocks These blocks have a minimum density of 1500 kg/m³. These blocks have a minimum density of 1800 kg/m³. These concrete blocks have one or more hollow spaces on them. Solid Concrete Blocks Vs Hollow Concrete Blocks Solid Concrete Blocks These blocks can be any size, shape and structure which varies from standard sizes and shapes. These are the concrete blocks which are specially manufactured for special purposes according to the requirement. Sometimes it is also known as “ Cellular Light Weight Concrete“. This can be of any size having a spacing of more than one and does not fully penetrate the block. These concrete blocks have more than one void or spacing for the insulation process. In which Grade A hollow concrete blocks have a minimum density of 1500 kg/m³ and Grade B blocks has a density of less than 1500 kg/m³ and Grade C has a density of more than 1000 kg/m³.These blocks are present in different sizes and can be made up according to the requirement.The spacing between these blocks can be used for the electrical and plumbing insulation.The air spacing between these blocks can provide better thermal insulation.These cement blocks can achieve high earthquake-resistant properties when filled with steel and concrete in it.The voids in these blocks can be filled up with steel and concrete.These concrete blocks are also easy to construct walls.The minimum density of these blocks is 1500 kg/m³. The general dimension (in cm) of these blocks are 40.5 × 29 × 14. These concrete blocks can be larger in size as compared to Solid concrete blocks. These concrete blocks can be used for the construction of retaining walls.These blocks are also used in rapid construction works.These blocks have the capability to handle temperatures up to 400☌. These blocks also have good fire-resistant properties.These blocks have the capability to be molded into any shape or size of the components.These blocks are good resistance to weathering.These concrete blocks have High compressive strength.The minimum density of these concrete blocks is 1800 Kg/m³. The general dimension (in cm) of these blocks are 40 (length) × 20 (width) × 20 / 15 / 10/ 8 (thickness). These are the most commonly used concrete blocks. On the basis of their size, shapes and manufacturing process these blocks can be classified into the following types: 1. Clay bricks are 2-3 times stronger than these concrete blocks. In India, clay bricks are mostly used for construction projects. These blocks if made up of fly ash, then can be used for the outside fire pit. The minimum strength of these masonry units should be 3 N/mm². The ratio of cement and aggregate in concrete blocks should be 1:6.Īlso, the aggregates used should be 60% fine and 40% coarse aggregates. Cement, aggregate and water are the main components of these concrete masonry units. These blocks can be manufactured in any size and shape, they can be solid or hollow according to the requirement. These blocks are the advanced version of brick and stone masonry. These are the standard-sized rectangular blocks used in many construction works.
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