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How to calculate compressive strength of concrete?.. Answer / rajeev kumar ranjan depending upon quality of concrete,the nos of cube mold are decide.the cube set are stander size 150mm*150mm after pouring the cube mould.every cube mould is filled in required 3 layer&every layer 35 storks given.


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Size and Shape Effects on the Compressive Strength of High Strength Concrete J.R. del Viso, J.R. Carmona & G. Ruiz, E.T.S. de Ingenieros de Caminos, Canales y Puertos, Universidad de Castilla-La Mancha ... The tests were performed at a single axial strain rate, 10 ... Shape effect on compression …


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Concrete fails in compression when the strain in concrete reaches at around 0.003. Code generalises this behaviour in stress-strain diagram for concrete and assumes that the stress remains constant between the strain values of 0.002 and 0.0035.


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FAILURE OF CONCRETE UNDER UNIAXIAL COMPRESSION

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As concrete matures it continues to shrink, due to the ongoing reaction taking place in the material, although the rate of shrinkage falls relatively quickly and keeps reducing over time (for all practical purposes concrete is usually considered to not shrink due to hydration any further after 30 years).


Shear Compression Failure in Reinforced Concrete Deep Beams

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The Estimation of Compressive Strength of Normal and Recycled Aggregate Concrete 423 2.4. Aggregate In concrete technology, the relationship between water-cement ratio and strength is


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Concrete cubes are often cast with the stiffer mix (lower water to cement ratio) or using additional cement while actual concreting is done without any regards for water to cement ratio which in turn influences strength and durability of the structure.


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Compressive strength of concrete depends on many factors such as water-cement ratio, cement strength, quality of concrete material, quality control during production of concrete etc. Test for compressive strength is carried out either on cube or cylinder.


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