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One Way Slab

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  One-way Slab : One-way slab is a type of concrete slab in which loads are transferred in one direction to the supporting beams and columns. Therefore, the bending occurs in only one direction. The design of one-way slab is simple and can be carried out easily. Differentiate One-way Slab from Two-way Slab : When a rectangular slab is supported on all four sides, but the ratio of the longer side, L, to the shorter side, S, is 2 or more, L/S ≥ 2.0, then, the slab will act as a one-way slab, with bending primarily occurring in the short direction. The main reinforcement is placed in the shorter direction which is the span, while shrinkage reinforcement is provided in the longer direction to limit cracking. When the slab is supported on only two sides, the load will be transferred to these sides regardless of its ratio of longer span to shorter span, and it will be classified as a one-way slab. One way slab behavior : The structural action of a one-way slab can be visualized in terms of t
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How do we assure the quality of Ready Mix Concrete before using for Construction work ?

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Ready Mix Concrete is specialized material in which concrete ingredients are weigh-batch at a plant in a central mixer, before delivery to the construction site. In the case of a centrally mix type, the drum carrying the concrete revolves slowly so as to prevent the mixed concrete from segregation and prevent its stiffening from initial set. This paper represents how one can produce consistent quality of concrete. To make good quality concrete it very necessary to test the raw material of concrete on daily or weekly basis This article represents the maintenance of quality of Ready Mix Concrete. As the Ready Mix Concrete is widely used all over the world hence consistent quality concrete is necessary. The main objective of this article is that the QA/QC engineer in RMC plant and site civil engineer should have the knowledge of advantages of Ready Mix Concrete over the site mix concrete. This paper will also help to the freshers in maintaining the quality of concrete. The engineer will g
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