IS 14858 -2000 Code Book PDF free download
This Indian Standard was adopted by the Bureau of Indian Standards, afterthe draft finalized by the Cement and Concrete Sectional Committee had been approved by the Civil Engineering Division Council. A series of Indian Standards on methods of testing of cement and concrete have already been brought out. It has been recognized that reproducible and repeatable test results can be obtained only with standard testing equipment capable of giving the desired level of accuracy; therefore, a series of specifications covering the requirements of equipments used for testing cement and concrete have also been brought out to encourage their development and manufacture in the country. This standard has been formulated to cover requirements of the compression testing machine for testing concrete and mortar. The Indian Standard which details the methods of compressive strength test requiring use of this machine is IS 516:1959 ‘Method of test for strength of concrete’. In the formulation of the standard, due weightage has been given to international co-ordination among the standards and practices prevailing in different countries. Assistance has also been derived from ASTM C 39-86 ‘Standard test methods for compressive strength of cylindrical concrete specimen’. The composition of the technical committee responsible for the formulation of this standard is given at Annex A. For the purpose of deciding whether a particular requirement of this standard is complied with, the final value, observed or calculated, expressing the result of a test of analysis, shall be rounded off in accordance with IS 2:1960 ‘Rules for rounding off numerical values ( revised )’. The number of significant places retained in the rounded off value should be the same as that of the specified value in this standard.
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