Is (Rerfflrmed ). Indian Standard. CODE OF PRACTICE FOR. GENERAL CONSTRUCTION, IN STEEL. (First Revision). Sixtcmtb Reprint MAY . Scope of IS Indian Standard Code. IS Indian Standard applies to general construction using hot rolled steel sections joined using riveting, bolting and welding. This Indian Standard (Third Revision) was adopted by the Bureau of Indian Standards after the draft. IS - Download as PDF File .pdf), Text File .txt) or read online. Indian Standard CODE OF PRACTICE FOR GENERAL CONSTRUCTION IN STEEL.
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conjunction with this code, allowable bending stresses in compression (FCY Table 11CIndian Steel Design IS Parameters. The design concept is totally changed in comparison to earlier code IS which is based on Elastic method. In view of this, an effort has. Now this time I am come with IS code of Design of Steel Structure. This code is allowed for Polytechnic Diploma in Civil, meteolille.info
When the concentrated force is delivered by only one beam connected to an outside face 0f. Web stiffeners shall be provided at all plastic hinges where the applied load exceeds 0.
A member may be designed as an encased column when the following conditions are fulfilled: The provisions of Section 11 with respect to workmanship shall govern the fabrication of structures. The calculated load capacities of welds. The overall dimensions of the steel section do not exceed x mm over plating where used, the larger dimension being measured parallel to the web; The column is unpainted and is solidly encased in ordinary dense concrete, with 20 mm aggregate unless solidity can be obtained with a larger aggregate and of grade designation M 15, Min see IS: The casing is effectively reinforced with steel wires.
The wire shall be at least 5 mm in diameter and the reinforcement shall be in the form of stirrups or binding at not more than mm pitch so arranged as to pass through the centre of the c: At the column base provision shall be made to transfer the load to the footing at safe unit stresses in accordance with IS: The radius of gyration about its other axis shall be taken as that of the uncased section. NOTE This clause does not apply to steel struts of overall sectional dimen-.
The beam is unpainted and is solidly encased in ordinary ldense concrete, with 10 mm aggregate unless solidity can be obtained with a larger aggregate , and of a grade designation M 15, Min see IS: This allowance should be made by assuming for the purpose of determining the permissi; ble stress in compression that the equivalent moment of inertia Ir about the y-y axis is equal to A. Other properties required for referring to 6. The permissible bending stress so determined shall not exceed l-5 times that permitted for the uncased section.
NOTE - This clause does not apply to beams and girders having a depth greater than 1 mm, or a width greater than mm or to box sections. Tolerances for erection of steel structures shall conform to the Indian Standard. The erection clearance at ends of beams without web cleats should be not more than 3 mm at each end, but where, for practical reasons, greater clearance is necessary, suitably designed seatings should be provided.
Gas cutting by mechanically controlled torch may be permitted for mild steel only. Gas cutting of high tensile steel may also be permitted provided special care is' taken to leave sufficient metal to be removed by machining so that all metal that has been hardened by flame is removed.
Hand flame cutting may be permitted subject to the approval of the inspector. For dynamically loaded structures. The component parts shall be assembled and aligned in such a manner that they are neither twisted nor otherwise damaged. The thickness of material punched shall be not greater than 16 mm. Finished holes shall be not more than 1. All holes not drilled through all thicknesses at one operation shall be drilled to a smaller size and reamed out after assembly.
Where this is not practicable. They shall. For multiple riveted connections. Caps a-d Bases In column caps and bases. If so specified. Slab bases and slab caps. A bearing face which is to be grouted direct to a foundation need not be machined if such face is true and parallel to the upper face. The parts shall be shop assembled with sufficient numbers of parallel drifts to bring and keep the parts in place.
ISt All projecting plates or bars and all ends of members at joints shall be stiffened. This does not apply to the interior of sealed hollow sections. No structure or part of the structure. All structural steel should be so stored and handled at the site that the members are not subjected to excessive stresses and damage. The inspector. The positioning and levelling of all steelwork. The suitability and capacity of all plant and equipment used for erection shall be to the satisfaction of the engineer.
Where specified. All rivet and bolt heads and the site welds after de-slagging shall be cleaned. Bolts which have been galvanized or similarly treated are exempted from this requirement. Rivets driven at the site shall be heated and driven with the same care as those driven in the shop.
Damaged or deteriorated paint surfaces shall first be made good with the same type of paint as the shop coat. Field bolting same care as required for shop bolting. All field assembly and welding shall be executed in accordance with the requirements for shop fabrication exceptWhere the steel has ing such as manifestly apply to shop conditions only.
Bred upon Survey of India map with. Responsibility for the correctness of internal details rests with the publishers. Q Government of India Copyright In Fig. In the later case. C-l and Fig. C-l when relative displacement of the ends of the column is prevented and in Fig.
C-2 when relative lateral displacement of the ends is not prevented. In the absence of more exact analysis. The provisions of D-l. AND xl. AND El. BOR i. Coefficient kl for effective length of bottom part of double stepped column shall be taken from the formula:. Cluusc D AND k.
C Wectively held in position and restrained against rotation bottom end.
Effectively held in position and rertrained against rotation at both ends. Safe load tables for laterally Steel Construction. J Inst. New York. Buckling Hill. Engrs Aust.
Aug Background Committee of Japan. V CE Institution of Engineers. Guide to design criteria for metal compression members. John Wiley. Elastic stability of propped cantilevers. Elastic Stability of I-beam element in rigid-jointed frames. Strength of Metal Theory of elastic stability. Stability of structure under static and dynamic loads. American Society of Civil Engineers. Australian Institute of of beams. June Column Research Council. April McGraw- Structures. New Jersey Structural members and frames.
Column Research 1. Collaboration of building designer and steelwork designer shouId begin at the outset of the project by joint consideration of the planning and of such questions as the stanchion spacing. ISrfmJg4 g Limiti of length and weight of steel members in transit and erection; h Drawings of the substructure, proposed or existing, showing: In the case of new work, the substructure should be designed.
Reference to bye-laws and regulations affecting the steelwork design and construction. Plans of the floors and roof with principal dimensions, elevations and cross sections showing heights between floor levels. The occupancy of the floors and the positions of any special loads should be given. The building drawings, which should be fully dimensioned, should preferably be to the scale of 1 to and should show all stairs, fire-escapes, lifts, etc, suspended ceilings, flues and ducts for heating and ventilating.
Doors and windows should be shown, as the openings may be taken into account in the computation of dead load. Requirements should be given in respect of any maximum depth of beams or minimum head room. Large-scale details should be given of any special features affecting the steelwork.
The inclusive weight per ms of walls, floors, roofs, suspended ceilings, stairs and partitions, or particulars, of their construction and finish for the computation of dead load. The plans should indicate the floors which are to be designed Where the layout of partitions is not known, to carry partitions. Results of the investigation building or structure;. Particular attention should be drawn to connections of a special nature, such as turned bolts, high strength friction grip bolts, long rivets and overhead welds; j Quality of steel see 3 , and provisions for identification; k Requirements in respect of protective paintings at works and on site, galvanizing or cement wash; m Approximate dates for commencement and completion of erection; n Details of any tests which have to be made during the course of erection or upon completion; and Where the tenderer is required to take p Schedule of quantities.
Such holes should preferably be drilled at works. Wastage of steel. Insurance, freight and traniport from shop to site.
Site facilities for erection. Tools and plants. Mode and terms of payment. The contractor facilities for the inspection of the work at all stages. Where steelwork is to. Where connections are exposed to a corroding agent. To facilitate inspection. Any checking or approval of the setting out by. SwJ G The contractor should be responsible for the accuracy of the work and for any error which may be subsequently discovered. Code of practice for steel bridges Codeof practice for design of overhead travelling cranes and gantry.
Code of practice for general construction in steel second rsoizioa Code of practice for use of cold formed light gauge steel structural members in general building construction Jirsr rcuision.
Nampally Station Road. Mathura Road. Nurmohamed Shaikh Marg. Naval Kishore Road. Barua Road. Dushera Maidan. Manak Bhavan. Site IV. Unit VI. Andheri East.
Sahibabad Regional Offices: Behind Marol Telephone Exchange. Unity Building. SC0 Gupta Marg. Second floor. Narashimaraja Square. Sahibabad industrial Area. E -mail: Sarvodaya Nagar. IV Cross Road. Telephone 77 00 32 Plot No. Bhaktinagar Circle. Sector 16 A. Princep Street. Gokulpat Market. Bangalore-Tumkur Road.
Ganga Nagar. University P.
Chiiranjan Marg. Grant Road. Bittan Market. New Delhi. At the time of pubkation. AI1 standards ate subject to revision. I the following for the existing clause: Hexagon head baits. ViriWl Code of practice for seam welding in mild steel Filler rods and wins for gas wekting second revi.
Amend No. Aruend No. Safety code for erectionof structuralsteel work Tolerances for fabricationof steel structures Bare wire elechxles for submerged arc welding of StNctWiiisteels Approval tests for welding pdurcs welding of steel: Part1 Fusion Pati 1 Fusion welding of steel Approval tests for welders when welding procedure approvalis not required: Part 1 Fusion welding of steel StNctWll steel.
New Delhi Flag for inappropriate content. Related titles. Jump to Page. Search inside document. Rerfflrmed Is: Design g NOTE This clause does not apply to steel struts of overall sectional dimen- A a b cl 4 Coefficient kl for effective length of bottom part of double stepped column shall be taken from the formula: As in the Original Standard. Results of the investigation building or structure; of sub-soil at site of d Accessibility of site and details of power supply; e Whether the steelwork contractor will be required to survey the site and set out or check the building or structure lines, foundations and levels; f Setting-out plan of foundations, stanchions and levels of bases; g Cross sections and elevations of the steel structure, as necessary, with large-scale details of special features; h Whether the connections are to be bolted, riveted or welded.
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For more detailed information on the seismic design of other structural and non-structural components, reference should be made to IS Part 1 and other special publications on the subject.