Standard Specifications and Code of Practice for Road Bridges, Section IX (Bearings), Part I (Metallic Bearings) (First Revision) 1999 Edition
The 1999 edition of IRC 83 Part 1 establishes the guidelines and technical standards for metallic bearings employed in Indian road bridges. It covers aspects such as design parameters, material properties, fabrication quality, testing methods, and maintenance protocols for various bearing types including sliding, rocker, roller-cum-rocker, and single roller bearings. This code serves as a vital reference for professionals ensuring the reliability and longevity of bridge bearings.
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1999Edition
Roads and Bridges IRC- Indian road congress Category
The 1999 edition of IRC 83 Part 1 establishes the guidelines and technical standards for metallic bearings employed in Indian road bridges. It covers aspects such as design parameters, material properties, fabrication quality, testing methods, and maintenance protocols for various bearing types including sliding, rocker, roller-cum-rocker, and single roller bearings. This code serves as a vital reference for professionals ensuring the reliability and longevity of bridge bearings.
Audience
Who Uses This Standard
Bridge structural designers
Civil structural engineers
Project construction supervisors
Quality assurance inspectors
Bridge upkeep specialists
Materials science engineers
Public infrastructure planners
Contents
Key Topics Covered
✓Definition and scope of metallic bridge bearings
✓Configurations of sliding, rocker, roller-cum-rocker, and single roller bearings
✓Material standards and specifications for metallic parts
✓Load and force considerations on bearings
✓Allowable steel stress limits for bearing components
✓Design principles for metallic bearing systems
✓Fabrication quality and permissible tolerances
✓Testing protocols and criteria for acceptance
✓Installation and alignment of bearings on bridge structures
✓Inspection, servicing, and replacement recommendations
✓Ultrasonic testing guidelines for forged steel rollers
✓Management of horizontal forces at bearing interfaces
Structure
Table of Contents
1Scope of the Standard
2Terminology and Definitions
3Standard Arrangements of Sliding, Rocker, Roller-cum-Rocker, and Single Roller Bearings with Component Details
4Specialized Requirements
5Materials and Their Specifications
6Loads and Force Analysis
7Permissible Stress Values for Steel
8Design Considerations for Metallic Bearings
9Manufacturing Quality and Allowable Tolerances
10Criteria for Acceptance and Testing Procedures
11Placement and Positioning Techniques for Bearings
12Inspection, Maintenance, and Replacement Procedures
Appendix-1Handling Horizontal Forces at Bearing Surfaces
Appendix-2Permissible Stresses for Bearing Materials
Appendix-3Ultrasonic Testing Procedures and Acceptance Standards for Forged Steel Rollers According to IS-2004 Class 3
Frequently Asked
Popular Questions About IRC 83 PART 1
?Which types of metallic bearings are addressed by IRC 83 Part 1?▼
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?What are the specified material criteria for metallic bridge bearings?▼
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?How does the code factor in loads and forces during the design of metallic bearings?▼
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?What are the acceptance and testing requirements for metallic bearings under this standard?▼
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?What maintenance and inspection guidelines are recommended for metallic bearings?▼
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