IS 5816 -1999 Code Book PDF free download
This Indian Standard (First Revision) was adopted by the Bureau of Indian Standards, after the draft finalized by the Cement and Concrete Sectional Committee had been approved by the Civil Engineering Division Council. Tensile strength is one of the basic and important properties of concrete. A knowledge of its value is required for the design of concrete structural elements subject to transverse shear, torsion, shrinkage and temperature effects. Its value is also used in the design of prepossessed concrete structures, liquid retaining structures, roadways.and runway slabs. Direct tensile strength of concrete is difficult to determine; recourse is often taken to the determination of extramural strength or the splitting tensile strength and computing the direct tensile. The usefulness of the splitting cube test for assessing the tensile strength of concrete in the laboratory is widely accepted and the usefulness of the above test for control purposes in the field is under investigation. The standard has been prepared with a view to unifying the testing procedure for this type of test for tensile strength of concrete. This standard was first published in 1970. In this first revision test on cube specimen has also been incorporated as it was felt that cube specimens, being used for compression testing, would be convenient to use. In this revision assistance has been derived from BS I 88 1 (Part 117) : 1983 ‘Method for determination of tensile splitting strength’. Assistance has also been rendered by conducting test and supplying valuable data by the following:
National Council for Cement and Building Material, Ballard and Gujarati Abuja Cement, Ahmadabad. In reporting the result of a test made in accordance with this standard, if the final value, observed or calculated, is to be rounded off, it shall be done in accordance with IS 2 : 1960 ‘Rules for rounding off numerical values (/Viscid)’ . The composition of the technical committee responsible for the formulation of this standard is given at Annex A.
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