Standard Specifications and Code of Practice for Road Bridges, Section-II Loads and Load Combinations (Seventh Revision) 2017 Edition
The 2017 revision of IRC 6 Section-II outlines the prescribed loads and load combination criteria essential for designing road bridges in India. It comprehensively covers vehicular, wind, seismic, earth pressure, and barge impact forces, offering thorough instructions for applying these in limit state design across various bridge configurations and site conditions. This code is vital for engineers ensuring the durability and safety of bridge structures under multiple loading scenarios.
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2017Edition
Roads and Bridges IRC- Indian road congress Category
The 2017 revision of IRC 6 Section-II outlines the prescribed loads and load combination criteria essential for designing road bridges in India. It comprehensively covers vehicular, wind, seismic, earth pressure, and barge impact forces, offering thorough instructions for applying these in limit state design across various bridge configurations and site conditions. This code is vital for engineers ensuring the durability and safety of bridge structures under multiple loading scenarios.
Audience
Who Uses This Standard
Bridge design professionals
Structural engineering experts
Civil infrastructure engineers
Geotechnical specialists
Transportation and infrastructure planners
Construction management leaders
Bridge inspection and safety officers
Contents
Key Topics Covered
✓Combination of design loads for road bridge structures
✓Seismic loading criteria and associated importance factors
✓Specifications and application of wind loads
✓Classification of live loads including IRC Class A, 70R, and specialized vehicles
✓Calculations for earth pressures on retaining elements
✓Hydrodynamic impacts and barge collision forces on piers
✓Ductile detailing mandates for earthquake-prone regions
✓Load application methods for pedestrian bridges and urban environments
✓Provisions for collision loads from vehicle impacts
✓Reduction factors accounting for structural response variations
✓Load transmission through fill materials in arch bridges
✓Guidelines addressing lateral earth pressure and surcharge considerations
Structure
Table of Contents
1Extent and Application Scope
2Comprehensive Design Load Combinations
3Detailed Live Load Requirements
4Wind Load Criteria for Bridge Structures
5Seismic Load Parameters and Importance Factors
6Earth Pressure Effects on Retaining Walls
7Hydrodynamic and Barge Impact Load Specifications
8Seismic Zone Ductile Detailing Practices
9Vehicle Collision Load Guidelines
10Load Distribution in Arch Bridge Systems
11Factors for Reducing Structural Response
12Placement Guidelines for Special Vehicle Loads
13Considerations for Settlement and Secondary Effects
14Design Principles for Pedestrian Overpasses
15References, Amendments, and Updates
Frequently Asked
Popular Questions About IRC 6
?Which live load classifications does the code recommend for bridge design?▼
Detailed answer not available.
?How are seismic importance factors defined for various bridge types according to this standard?▼
Detailed answer not available.
?What are the specified wind load magnitudes and directions for bridges situated in urban and plain terrains?▼
Detailed answer not available.
?In what manner are barge impact forces computed and incorporated for bridge piers over navigable channels?▼
Detailed answer not available.
?What are the required ductile detailing provisions for structures located within seismic zones IV and V?▼
Detailed answer not available.
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