IRC 5 2015 Section I: General Features of Design - Download
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IRC 5-2015 Standard Specification and code of practice for road bridges: Section I: General Features of Design is the Eight Revisions for IRC 5. It contains section I of the Standard Specification and code of practice for road brides, which incorporates the general features of a design. All types of bridges are included in this code. This standard classifies the bridges based on seven criteria, namely, function(river bridge, viaduct, flyover, grade separator etc.), length(culver, minor bridge, major bridge), type of superstructure(arch, slab, t-girder, suspension, box girder, truss, etc.), material(masonry, RCC, PSC, Steel, Composite, Timber), construction technology(In-situ, Precast, Cantilever, Incremental Launching, span by span, segmental), level(High level, Submersible) and Importance(Normal, important and critical). In addition, under the general provision of this code, Performance requirements, Structural Safety and serviceability, Economy and sustainability and loading considerations are provided.

Similarly, Planning considerations accounted for by this code include Planning strategies, Data collection, Width of Carriageway, Footpath Median and Clearance. Geometric Design consideration of this code contains Safety consideration, Horizontal and Vertical Alignment, Longitudinal Gradient and cross slope, superelevation and approaches to bridge. Hydrology and hydraulic design of this code include Determination of Design HFL, Determination of Design Discharge, Discharge for the creation of Foundation and Protection works, Determination of Waterway, Determination of Afflux, Freeboard, vertical clearance over HFL and a maximum depth of Scour, River training and protection work and Hydraulic and mathematical Model Studies. General Design requirements incorporated in this code include structural system and configuration, Bridge Foundation, Bridge Substructure, Bridge Superstructure and Retaining Walls. Construction and Constructability consideration, auxiliary components (drainage, bearings, expansion joints, wearing coats, crash barriers, railings, parapets, guide posts, Krebs and noise barriers), Illuminations, Road signs and signals, Aesthetics and operation and maintenance are other faucets of bridge design that are governed by this code.