Concrete

Plain concrete possesses deficiencies like low tensile strength, limited ductility and low resistance to cracking. The cracks develop even before loading. After loading micro cracks widen and propagate, exposing concrete …

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Strength of concrete in tension is very low and hence it is ignored in R.C.C. design. Concrete in tension is acting as a cover to steel and helping to keep …

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Concrete has completely different properties when it is the plastic stage and when hardened. Concrete in the plastic stage is also known as green concrete. The properties of green concrete …

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The following curing methods are employed: Spraying of water Covering the surface with wet gunny bags, straw etc. Ponding Steam curing and Application of curing compounds. Spraying of water: Walls, …

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When the amount of water in concrete increases than in returns fluidity of concrete increases. Now when the fluidity of concrete increases then as a result density of concrete decreases …

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Cement is used widely for the construction of various structures. Some of them are listed below: Cement slurry is used for filling cracks in concrete structures. Cement mortar is used …

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The use of admixtures is increasing very rapidly, because concrete admixtures provide physical as well as economic benefits. Admixtures benefits the concrete in following possible ways. Admixtures reduce the required …

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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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