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IRC 18Criteria for Prestressed Concrete Road Bridges (Post-Tensioned Concrete) (Second Revision)

IRC 18 (Second Revision, 1985) provides comprehensive design criteria for post-tensioned prestressed concrete road bridges in India. It covers materials, permissible stresses, losses in prestress, ultimate strength, shear and torsion, and detailing requirements specific to post-tensioned concrete bridge members. This standard is essential for civil and structural engineers involved in the design, construction, and assessment of prestressed concrete road bridges to ensure safety, durability, and compliance with Indian road infrastructure norms.

15الأقسام
54البنود المفهرسة
جاهز بحث AI
1985الطبعة
Roads and Bridges IRC- Indian road congress الفئة
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ما يغطيه هذا المعيار

IRC 18 (Second Revision, 1985) provides comprehensive design criteria for post-tensioned prestressed concrete road bridges in India. It covers materials, permissible stresses, losses in prestress, ultimate strength, shear and torsion, and detailing requirements specific to post-tensioned concrete bridge members. This standard is essential for civil and structural engineers involved in the design, construction, and assessment of prestressed concrete road bridges to ensure safety, durability, and compliance with Indian road infrastructure norms.

من يستخدم هذا المعيار

  • Bridge Design Engineers
  • Structural Engineers
  • Construction Engineers
  • Quality Control Engineers
  • Bridge Inspectors
  • Prestressing Contractors
  • Civil Engineering Consultants

المواضيع الرئيسية المغطاة

Materials for Prestressing Steel and Concrete
Permissible Stresses in Concrete and Prestressing Steel
Losses in Prestress: Elastic Shortening, Creep, Shrinkage, Relaxation, Friction
Calculation of Ultimate Strength and Failure Modes
Shear and Torsion Design Considerations
Stage Prestressing Procedures
Section Properties and Minimum Dimensions for Beams and Girders
Cover and Spacing Requirements for Prestressing Steel
Design of End Blocks and Intermediate Anchorages
Splay and Minimum Radius of Cables
Grouting Practices for Post-Tensioned Cables
Emergency Cables/Strands
Testing Requirements for Sheathing Ducts

جدول المحتويات

1Introduction

Detailed content not available.

2Scope

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3Materials

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4Concrete

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5Loads and Forces

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6Stage Prestressing

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7Permissible Stresses in Concrete

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8Permissible Stresses in Prestressing Steel

Detailed content not available.

9Section Properties

Detailed content not available.

10Moduli of Elasticity

Detailed content not available.

11Losses in Prestress

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12Ultimate Strength

Detailed content not available.

13Calculation of Ultimate Strength

Detailed content not available.

14Shear and Torsion

Detailed content not available.

15Minimum Reinforcement

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الأسئلة الشائعة حول IRC 18

?What are the permissible stresses in concrete and prestressing steel according to IRC 18?

Detailed answer not available.

?How are losses in prestress such as creep, shrinkage, and relaxation calculated?

Detailed answer not available.

?What are the design requirements for shear and torsion in post-tensioned concrete bridges?

Detailed answer not available.

?How should end blocks and intermediate anchorages be designed and detailed?

Detailed answer not available.

?What are the recommended practices for grouting post-tensioned cables in bridges?

Detailed answer not available.

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