Ingredients of Concrete
Cement: Different types of cement. Portland cement is the most common type of cement in general usage. It is a basic ingredient of concrete, mortar, and plaster. Aggregates: Fine and …
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Aerated Concrete
Aerated concrete has the lowest density, thermal conductivity and strength. Like timber it can be sawn, screwed and nailed, but there are non-combustible. For works in-situ the usual methods of …
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Types of Slump
True Slump: The concrete mass after the test when slumps evenly all around without disintegration is called the true slump. Shear Slump: When one-half of the concrete mass slide down …
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Honeycomb in Concrete
Honeycomb, also known as airpocket, is nothing but the air voids in concrete. It is usually formed during concrete casting. Honeycomb is due to non-reaching of concrete to all places …
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Air-Entrained Cement and It’s Advantages and Disadvantages
Air-entrained cement is a special cement which has air bubbles introduced in the cement or concrete that provides the space for expansion of minute droplets of waters in the concrete …
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Reinforcement in Concrete
Reinforcement in a concrete structure accounts for one third of the cost of the structure. The fabrication of the bars, tendons, and meshes used for reinforcement adds almost 20-30% to …
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Chemical and Mineral Admixtures for Concrete
Admixtures are used to modify the properties of fresh and hardened concrete. They are classified as chemical and mineral admixtures. Chemicals admixtures are used in construction industry for building strong, …
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Advantages of Mix Design
Mix design aims to achieve good quality concrete at site economically. Quality concrete means Better strength. Better imperviousness and durability. Dense and homogeneous concrete. Economy Economy in cement consumption It …
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