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B v rahvan ltd calcutta vijayanagar steel plant sai

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Unformatted text preview: nagar Steel Plant ( SAI ), New Delhi SHRIA. A. RAJU Nagadi Consultants Pvt Ltd, New Delhi DR Vi V. S. RAO Cement Corporation of Indta, New Delhi SHRIARJUNRIJHSINGHANI SHRI0. S. SRIVASTAVA lternate ) (A College of Engineering, Guindy DR A. SARGUNAN SHRIS. B~~MINATHANAlternate ) ( Public Works Department, Government of Andbra SHRI K. R. SAXENA Pradesh,.Hyderabad United Technical Consultants Pvt Ltd, New Delhi DR S. P. SHRIVASTAVA DR R. KAPUR( Alternate ) Gammon India Limited, Bombay SHRIT. N. SURBA RAO SHRIS. A. REDDI( Alternate ) Ministry of Shipping and Transport, New Delhi SHR~ SIVAGURU N. SHRID. V. SIKKA Alternate ) ( Central Public Works Department, New Delhi SUPERINTENDING G I N E E R EN ( DESIGNS ) EXECUTIVE ENGINEER DESIGNS V ( ) ( Alternate ) ( Continued on page 24) 2 IS : 2950 ( Part I ) - 1981 Indian Standard CODE OF PRACTICE FOR DESIGN AND CONSTRUCTION OF RAFT FOUNDATIONS PART ( I DESIGN Second Revision) 0. FOREWO’RD 0.1 This Indian Standard ( Part I ) was adopted by the Indian Standards Institution on 5 October 1981, after the draft finalized by the Foundation Engineering Sectional Committee had been approved by the Civil Engineering Division Council. 0.2 Raft foundation is a substructure supporting an arrangement of columns or walls in a row or rows and transmitting the loads to the soil by means of a continuous slab with or without depressions or openings. Such types of foundations are found useful where soil has low bearing capacity. This standard was first published in 1965 and revised in 1973. In this revision, besides making its contents up-to-date, guidelines have been given to choose particular type of methods in particular situations and giving reference to ‘finite difference method which will be covered at a later stage. 0.3 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, shall be rounded off in accordance with IS : 2-1960*. The number of significant places retained ,in the rounded off value should be same as that of the specified value in this standard. 1. SCOPE 1.1 This standard ( Part I ) covers the design of raft foundation based on conventional method ( for rigid foundation ) and simplified methods (flexible foundation ) for residential and industrial buildings, store-houses, silos, storage tanks, etc, which have mainly vertical and evenly distributed loads. *Rules for rounding off numerical values ( revised ). 3 IS : 2950 ( Part I ) - 1981 2. TERMINOLOGY 2.1 For the purpose of this standard, IS : 2809-1972* shall apply. the definitions of terms given in 3. NECESSARY INF’ORMATION 3.1 For satisfactory design and construction following information is necessary: of a raft foundation, the a) Site Plan - Site plan showing the location of the proposed as well as neighbouring structure. b) Building plan and vertical cross-sections levels, ducts and openings, etc, layout columns, shear walls, etc. showing different floor of load bearing wal...
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