IS 3370 -1965 Code Book PDF free download
This Indian Standard ( Part II ) was adopted by the Indian Standards Institution on 19 November 1965, after the draft finalized by the Cement and Concrete Sectional Committee had been approved by the Civil’Engineering Division Council. The need for a code covering the design and construction of reinforced concrete and proprietress concrete structures for the storage of liquids has been long felt in this country. So far, such structures have been designed to varying standards adapted from the recommendations AF the Institution of Civil Engineers and of the Portland Cement Association with the result that the resultant structures do not possess a uniform guaranteed margin of safety and dependability. Moreover, the design and construction methods in reinforced concrete and prepossessed concrete are influenced by the prevailing construction practices, the physical properties of the material and the climatic conditions. The need was, therefore, felt to lay down uniform requirements of structures for the storage of liquids. In order to fulfill this need, formulation of this Indian Standard code of practice for the storage of liquids ( IS : 3370 ) was undertaken. This part [ IS : 3370 ( Part II )-19651 deals with reinforced concrete structures. Three other parts of the code are the following: Part I General requirements Part III Prepossessed concrete structures Part IV Design tables Although the provisions of this code cover mainly structures for the storage of liquids, the general provisions of this code,may also be applied, with such modifications as found necessary, to suit the special conditions in the design of reinforced concrete and prepossessed concrete structures for the conveyance of liquids such as aqueducts and super passages. While the common methods of design and construction have been covered in this code, design of structures of special forms or in unusual circumstances should be left to the judgement of the engineer and in such cases special systems of design and construction may be permitted on production of satisfactory evidence regarding their adequacy and safety by analysis or test or by both. In this standard it has been assumed that the design of liquid retaining structures, whether of plain, reinforced or prepossessed concrete, is entrusted to a qualified engineer and that the execution of the work is carried out under the direction of an experienced supervisor. All requirement of IS : 456-1964* and IS : 134%1960 f, in so fa f as they apply, shall be deemed to form part of this code except where otherwise laid down in this code. The Sectional Committee responsible for the .preparation of this standard has taken into consideration the views of engineers and technologists and has related the standard to the practices followed in the country in this gild. Due weight age has also been given to the need for international co-ordination among the standards prevailing in different countries of the world. These considerations led the Sectional Committee to derive assistance from published materials of the following organizations: British Standards Institution, Institution of Civil Engineers, London, and Portland Cement Association, Chicago, USA. 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 : 2-1960$. 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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