Guidelines for the Design and Construction of Segmental Bridges
IRC SP 65-2005 provides comprehensive guidelines for the design and construction of segmental bridges in India, focusing on both precast and cast-in-situ segmental superstructures. It addresses permissible stresses, ultimate flexure, shear and torsion design, jointing methods including epoxy and dry joints, and detailing requirements to ensure structural integrity and durability. This standard is essential for civil and structural engineers involved in the planning, design, and construction of segmental bridges, ensuring compliance with Indian Roads Congress specifications and enhancing safety and performance.
15Sections
30Clauses Indexed
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2005Edition
Roads and Bridges IRC- Indian road congress Category
IRC SP 65-2005 provides comprehensive guidelines for the design and construction of segmental bridges in India, focusing on both precast and cast-in-situ segmental superstructures. It addresses permissible stresses, ultimate flexure, shear and torsion design, jointing methods including epoxy and dry joints, and detailing requirements to ensure structural integrity and durability. This standard is essential for civil and structural engineers involved in the planning, design, and construction of segmental bridges, ensuring compliance with Indian Roads Congress specifications and enhancing safety and performance.
Audience
Who Uses This Standard
Structural Engineers
Bridge Designers
Civil Engineers
Construction Managers
Prestressing Specialists
Quality Control Engineers
Infrastructure Consultants
Contents
Key Topics Covered
✓Permissible stresses in concrete during service and temporary conditions
✓Design for ultimate flexure and shear in segmental bridges
✓Epoxy jointing and dry jointing techniques for precast segments
✓Prestressing tendon arrangements including internal bonded and external unbonded tendons
✓Design considerations for torsion in segmental construction
✓Shear key design and shear capacity calculations
✓Handling axial tensions due to creep, shrinkage, thermal and seismic effects
✓Local effects of tendon anchorages and blister provisions
✓Deviator blocks and prestressing coupler detailing
✓Deck waterproofing requirements
✓Load combinations including temperature effects and live load factors
✓Design modifications specific to segmental bridge construction
Structure
Table of Contents
1Introduction▼
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2Scope▼
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3Construction Requirements▼
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4Epoxy Jointing of Segments▼
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5Dry Jointed Precast Segmental Construction▼
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6References▼
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5.2Basis of Design▼
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5.3Permissible Stresses in Concrete▼
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5.4Design for Ultimate Shear and Torsion▼
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5.5Design for Ultimate Flexure▼
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5.6Tension Behind Intermediate Anchorages▼
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5.7Correction for Centre of Gravity of Tendons▼
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5.8Axial Tensions▼
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5.9Local Effects of Blisters▼
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4.9Prestressing Couplers▼
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Frequently Asked
Popular Questions About IRC SP 65
?What are the permissible concrete stress limits during service for epoxy and dry jointed segmental bridges?▼
Detailed answer not available.
?How does the standard address design for ultimate flexure and shear in segmental bridge superstructures?▼
Detailed answer not available.
?What are the key differences between epoxy jointed and dry jointed precast segmental construction?▼
Detailed answer not available.
?How should torsion be treated in precast segmental bridge design according to IRC SP 65?▼
Detailed answer not available.
?What detailing requirements are specified for prestressing tendons and anchorage blisters?▼
Detailed answer not available.
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