IS 456 : 2025 Preliminary Draft Version – Download PDF

Recently, the Bureau of Indian Standards shared the draft version of IS 456:2025 for commentary purposes. The preliminary draft version of IS 456:2025 is the fifth revision of this standard, undertaken after 25 years. The fourth revision was previously published in 2000.

IS 456 : 2025 Preliminary Draft Version

IS 456 : 2025 Draft Version is circulated only for BIS Members for Commentary Purpose. Here is the list of Content of IS 456 : 2025.

Table of Content of IS 456

  1. Scope
  2. References
  3. Terminology
  4. Symbols
  5. Basic of Design
    • General Principle
    • Criteria for Design
    • Process of Design
    • Structural Systems
    • Quality Control and Quality Assurance
    • Joints and Connections
    • Maintenance
    • Loads and Materials
  6. Load
    • Force Loads
    • Deformation Loads
    • Design Loads
    • Load Combinations
  7. Structural Materials
    • Concrete
    • Reinforcing Steel
    • Prestressing Materials
    • Prestressing System
    • Prestressing Grout
    • FRP Bars
  8. Structural Analysis
    • General
    • Conventional Method
    • Strut and Tie Method
    • Simplified Estimate
    • Moment Frame Structures
    • Beams
    • Slabs
    • Columns and Struts
    • Redistribution of Moments
    • Deflection and Crack Width in Concrete Members
  9. Structural Design and Details
    • Stability
    • Basic Quantities
    • Design for Strength
    • Serviceability Criteria
    • Design for Durability
    • Robustness Criteria
    • Integrity Criteria
    • Restorability Criteria
  1. Construction
    • Storage of Materials
    • Concrete
    • Concreting Under Special Conditions
    • Mass Concreting
    • Reinforcing Steel Bars
    • Prestressing Steel
    • Un-tensioned Steel Bars in Prestressed Concrete Structures
    • Special Consideration
  2. Quality Assurance
    • Levels of Quality Assurance
    • Requirements of Quality Assurance
    • Quality Inspection
    • Sampling and Testing of Concrete
    • Tests on Concrete Making Materials
    • Quality Assurance in Concrete Products
    • Quality Assurance in Reinforcement Steel
    • Quality Assurance in Prestressing Steel and Grout Work
    • Testing of Structures
  3. High Performance Concrete
    • Steel Fiber Reinforced Concrete
    • Structural Light Weight Concrete
    • Polymer Modified Concrete
    • Self-Compacting Concrete
    • Roller Compacting Concrete
    • Alkali Activated Concrete
  4. Annex A: List of Cross Referred Standards
  5. Annex B: Climate Zones
  6. Annex C: Testing of System With Mechanical Anchorages
  7. Annex D: Determination Of Mean Carbonation Coefficient K1m From Accelerated Carbonation Resistant Test As Per Is 516 (Part 2/Sec 4)
  8. Annex E: Determination Of Surface Electrical Resistivity Of Concrete Using Four Point Wenner Probe Method
  9. Annex F: Residual Strength Tests
  10. Annex G: Committee Composition

Download the draft version of IS 456 : 2025 by given link as below.

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Design of Steel Structures

Structural Basic Set - 01

This quiz includes the basic questions and answers of structural engineering which is designed for beginners.

1 / 10

1. Modulus of Elasticity (E) represents the ratio of:

2 / 10

2. Which foundation is suitable for poor soil conditions as a shallow foundation?

IS 456 : 2025 Preliminary Draft Version - Download PDF

3 / 10

3. Which factor is NOT used in wind load calculations?

Wind Speed Influencing Factors

4 / 10

4. Moment of Inertia (I) measures a cross-section’s resistance to:

5 / 10

5. What is the minimum recommended slab thickness for a residential building?

6 / 10

6. The primary function of a column is to resist:

IS 456 : 2025 Preliminary Draft Version - Download PDF

7 / 10

7. What does the Factor of Safety (FOS) represent?

8 / 10

8. What is the typical deflection shape of a simply supported beam under uniform load?

9 / 10

9. Which material is strongest in tension?

10 / 10

10. Which type of load is considered permanent?

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The average score is 65%

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