Indian Standard Codes Reference
Essential IS codes for structural engineering calculations and design
IS 456:2000
Plain and Reinforced Concrete - Code of Practice
Key sections for concrete design:
- Section 23: Solid Slabs
- Section 24: Requirements Governing Reinforcement and Detailing
- Section 34: Cracking
- Section 35: Deflection
- Annexure C: Crack Width Calculation
IS 800:2007
General Construction in Steel - Code of Practice
Relevant sections for steel design:
- Section 6: Design of Members
- Section 7: Design of Connections
- Section 8: Design of Members Subject to Combined Forces
- Section 9: Member Design - Cold-formed Steel
IS 875
Code of Practice for Design Loads
Essential loading standards:
- Part 1: Dead Loads - Unit Weights of Building Materials
- Part 2: Imposed Loads
- Part 3: Wind Loads
- Part 4: Snow Loads
- Part 5: Special Loads and Load Combinations
IS 801:1975
Cold-Formed Light Gauge Steel Structural Members
Key sections used in purlin design:
- Section 5: Design of Members
- Section 6: Connections
- Section 7: Special Design Considerations
Scope: Covers design of structural members cold-formed from steel sheet, strip, plate or bar not more than 8 mm thick for load-carrying purposes in buildings.
Important Notes
Latest Versions
Always refer to the latest versions and amendments of these codes for design calculations.
Professional Review
All calculations should be verified by a qualified structural engineer.
Local Regulations
Consider local building codes and regulations in addition to IS codes.