Flexural test evaluates the tensile strength of concrete indirectly. of Civil Engineering, Thiagarajar College of Engineering, Madurai Copper slag is obtained as waste product from the sterlite industries, which produces copper in the form of cathode. Flexural strength is an indirect measure of the tensile strength of concrete, and can be determined from a third-point loading and centre-point loading test. Concrete compressive strength requirements can vary from 2,500 psi for residential concrete to 4,000 psi and higher in commercial structures. beams; and reinforced-concrete, two-way-action, structural floor slabs and plates. Engineers know their target tensile (flexural) requirements, and express these in terms of compressive strength. Depending on the mix (especially the water-cement ratio) and time and quality of the curing, compressive strength of concrete can be obtained up to 14,000 psi or more. Flexural Strength Of Prestressed Concrete Beams With Openings And Strengthened With CFRP Sheets Dr. Mustafa B. Dawood, Haider H. A. Al-Katib Abstract: This paper presents an experimental investigation of flexural strength of pretensioned prestressed concrete beams with openings and 10.2 and 10.3 give the principles governing the flexural strength. Higher strengths up to and exceeding 10,000 psi are specified for certain applications. From: Flexural strength - Wikipedia Flexural strength, also known as modulus of rupture, or bend strength, or transverse rupture strength is a material property, defined as the stress in a material just before it yields in a flexure test. Strain varies linearly through the depth of the member. Presently, the trend is stronger than ever-toward better use of concrete strength, use of higher-strength â¦ Flexural Strength of BeamsIncorporating Copper Slag as Partial Replacement of Fine Aggregate in Concrete Mrs. D. Brindha, Senior Lecturer, Dr. S. Nagan, Assitant Professor, Dept. The results of flexural test on concrete expressed as a modulus of rupture which denotes as ( MR ) in MPa or psi. It is a measure of the maximum stress on the tension face of an unreinforced concrete beam or slab at the point of failure in bending. Specifications and investigation of apparent low strengths should take into account the higher variability of flexural strength results. Flexural strength is an indirect measure of the tensile strength of concrete. Compressive Strength The main measure of the structural quality of concrete is its compressive strength. Because the compressive strength of masonry is much larger than its corresponding tensile strength, the capacity of unreinforced masonry subjected to net flexural stresses is almost always controlled by the flexural tension values of Table 1. It tests the ability of unreinforced concrete beam or slab to withstand failure in bending. ACI Secs. 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