IRC 18 (Third Revision, 2000) provides comprehensive design criteria for prestressed concrete road bridges using post-tensioned concrete techniques. It addresses materials, structural design, prestressing operations, grouting procedures, and detailing requirements to ensure safety, durability, and performance of road bridges. This standard is essential for engineers involved in the design, construction, and quality control of post-tensioned prestressed concrete bridges in India.
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2000Edition
Roads and Bridges IRC- Indian road congress Category
IRC 18 (Third Revision, 2000) provides comprehensive design criteria for prestressed concrete road bridges using post-tensioned concrete techniques. It addresses materials, structural design, prestressing operations, grouting procedures, and detailing requirements to ensure safety, durability, and performance of road bridges. This standard is essential for engineers involved in the design, construction, and quality control of post-tensioned prestressed concrete bridges in India.
Audience
Who Uses This Standard
Bridge Design Engineers
Structural Engineers
Construction Managers
Quality Control Engineers
Prestressing Contractors
Materials Testing Laboratories
Highway Infrastructure Planners
Contents
Key Topics Covered
✓Design loads and load combinations
✓Permissible stresses in concrete and steel
✓Prestressing materials specifications
✓Duct and sheathing requirements
✓Grouting materials and procedures
✓Stage prestressing and stressing operations
✓End block design and bursting forces
✓Cable anchorage and splay detailing
✓Handling and storage of prestressing materials
✓Testing of sheathing ducts
✓Slender beam considerations
✓Emergency cable provisions
✓Thermal effects and temperature limits
✓Reinforcement detailing for bursting and spalling
✓Recommended practices for prestressing and grouting
Structure
Table of Contents
1Introduction▼
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2Materials for Prestressing▼
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3Ducts and Sheathing▼
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4Properties of Grout▼
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5Mixing of Grout▼
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6Grouting Operations▼
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7Permissible Stresses in Concrete▼
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8Loads and Forces▼
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9Stage Prestressing▼
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10End Block Design▼
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11Thickening of Webs of Girders▼
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12Anchorage of Cables and Stressing▼
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13Splay of Cables and Minimum Radius▼
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14Slender Beams▼
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15Storage and Handling of Prestressing Materials▼
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Frequently Asked
Popular Questions About IRC 18
?What are the specified materials and their standards for prestressing steel and ducts?▼
Detailed answer not available.
?How should grouting be performed to ensure complete filling and durability?▼
Detailed answer not available.
?What are the permissible stresses in concrete during different construction stages?▼
Detailed answer not available.
?How is the design of end blocks handled to resist bursting tensile forces?▼
Detailed answer not available.
?What are the recommended practices for handling and storage of prestressing materials?▼
Detailed answer not available.
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