IS 432 -1982 Code Book PDF free download

IS 432 -1982 Code Book PDF free download


This Indian Standard ( Part I ) ( Third Revision ) was adopted by the Indian Standards Institution on 31 March 15’82, after the draft finalized by the Joint Sectional Committee for Concrete Reinforcement had been approved by the Civil Engineering Division Council and the Structural and Metals Division Council. This standard was first published in 1953 and subsequently revised in 1960 and 1966. The present revision hay been taken up with a view to modifying the earlier provisions in the light of the experience gained during the use of this standard by both manufacturers and users. This standard adopts SI units in specifying the various physical requirements. Further, some of the provisions have been revised based on the latest Indian Standards, such as IS : 22 G Lt 75*, IS : 9611975 t, IS : 1599-1974:, IS : 1608-1972$, IS : 1732-197111, IS : 1762 ( Part I )- 19741 and IS : 1977-1975**. The concrete reinforcement having an ultimate tensile strength of not less than 540 N/mm 2 has been categorized as ‘ medium tensile steel ’ instead of ‘ high tensile steel ’ ( see IS : 961-1975 t ) in this standard. In concrete reinforcement, the term ‘ high tensile steel ’ is, as a general §Method foo tensile testing of steel products (  first &ion ). IL Dimensions for round and square steel bars for structural and gcncral engineering purposes (J&t revision ). I Code for designation of steel : Part I Based on letter symbols (jigger r&ion ). practice, used IO mean steel having tensile strengths in a &ill higher range, say 1 000-2 200 N/mm’ which is generally used in pretested concrete.  Grade II mild steel bars are not recommended for use in structures located in earthquake zones subjected to severe damage and for structures subjected to dynamic loading ( other than wind loading ), such as railway and highway bridges ( see IS : 1893-1975* and IS : 1977-1973 t ). Gelding of reinforcement bars covered in this specification shall be done in accordance with t!Le requirements of IS : 2751-1966:.  In the formulation of this standard, due weight age has been given to international coordination among the standards and practices prev%mg in different countries in addition to relating it to the Practices in the field in this country.  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 or analysis, shall be rounded off in accordance with IS : 2-19604. 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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