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Scope of IS 800 1984 Indian Standard Code

IS 800 1984 Indian Standard applies to general construction using hot rolled steel sections joined using riveting, bolting and welding. Specific provisions for bridges, chimneys, cranes, tanks, transmission line towers, bulk storage structures, tubular structures, cold formed light gauge steel sections, etc, are covered in separate standards.

This standard gives only general guidance as regards the various loads to be considered in the design. For the actual loads and load combinations to be used, reference may be made to IS 875 for dead, live, snow and wind loads and to IS 1893 (Part 1) for earthquake loads.

Fabrication and erection requirements covered in IS 800 1984 Indian Standard are general and the minimum necessary quality of material and workmanship consistent with assumptions in the design rules. The actual requirements may be further developed as per other standards or the project specification, the type of structure and the method of construction.

For seismic design, recommendations pertaining to steel frames only are covered in this standard. For more detailed information on the seismic design of other structural and non-structural components, reference should be made to IS 1893 (Part 1) and other special publications on the subject.

This Indian Standard (Third Revision) was adopted by the Bureau of Indian Standards after the draft finalized by the Structural Engineering and Structural Sections Sectional Committee had been approved by the Civil Engineering Division Council.

The steel economy program was initiated by erstwhile Indian Standards Institution in the year 1950 with the objective of achieving economy in the use of structural steel by establishing rational, efficient and optimum standards for structural steel products and their use. IS 800: 1956 was the first in the series of Indian Standards brought out under this program. The standard was revised in 1962 and subsequently in 1984, incorporating certain very important changes.

IS 800 is the basic Code for general construction in steel structures and is the prime document for any structural design and has the influence on many other codes governing the design of other special steel structures, such as towers, bridges, silos, chimneys, etc. Realizing the necessity to update the standard to the state of the art of the steel construction technology and economy, the current revision of the standard was undertaken.

Consideration has been given to the de~elopments taking place in the country and abroad, and necessary modifications and additions have been incorporated to make the standard more useful.

The revised standard will enhance the confidence of designers, engineers, contractors, technical institutions, professional bodies, and the industry and will open a new era in safe and economic construction in steel.

In this revision the following major modifications have been affected:

a) In view of the development and production of new varieties of medium and high tensile structural steels in the country, the scope of the standard has been modified permitting the use of any variety of structural steel provided the relevant provisions of the standard are satisfied.

b) IS 800 2007 Indian standard has made reference to the Indian Standards now available for rivets; bolts and other fasteners.

c) IS 800 2007 Indian standard is based on limit state method, reflecting the latest developments and the state of the art.

The revision of the standard was based on a review carried out and the proposals framed by Indian Institute of Technology Madras (IIT Madras). The project was supported by the Institute of Steel Development and Growth (INSDAG) Kolkata. There has been a considerable contribution from INSDAG and IIT Madras, with assistance from a number of academic, research, design and contracting institutes/organizations, in the preparation of the revised standard.

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