Standard Specifications for Road Bridge Bearings, Part III: Elastomeric Bearings
View at irc.nic.inWhat this code covers
Design, materials, manufacturing, testing, installation, and maintenance of elastomeric bearings for road bridges. Covers plain pads, laminated bearings, pot bearings, and PTFE sliding bearings. Specifies acceptance tests and dimensional tolerances.
What this means on site
Elastomeric bearing specifications must match the drawing schedule. Under-spec or non-certified bearings are a common quality audit finding and replacement is expensive post-installation. Insist on factory test certificates for each bearing batch before acceptance at site.
Other bridge & structures codes
Code of Practice for Concrete Road Bridges
Design and construction of plain, reinforced, prestressed, and composite concrete bridges using Limit State Design (LSD). Concrete grades up to M90. Replaces IRC:21 and IRC:18.
Standard Specifications and Code of Practice for Road Bridges, Section II: Loads and Load Combinations
Load classifications: Class 70R, Class A, Class AA. Dead loads, live loads, impact effects, wind loads, temperature effects, and seismic design guidelines for road bridges.
Standard Specifications and Code of Practice for Road Bridges, Section VII: Foundations and Substructure
Subsurface exploration requirements, design of open foundations, well foundations, pile foundations; piers, abutments, and retaining walls. Applies to bridges, viaducts, culverts, and grade-separated structures.
Guidelines for the Design of Small Bridges and Culverts
Design standards for small bridges (6–30m span) and culverts (up to 6m). Cross-drainage structures at nallas, irrigation channels, and seasonal streams on rural and state highway projects.
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