Code of Practice for Design Loads (Other than Earthquake) for Buildings and Structures, Part 3: Wind Loads
IS 875 Part 3 (1987) provides the code of practice for determining wind loads on buildings and structures in India, excluding earthquake loads. It specifies methods to calculate design wind pressures considering terrain, topography, building geometry, and structural elements, incorporating factors like gust effects and internal pressures. This standard is essential for structural engineers and designers to ensure safety and stability of buildings against wind forces based on Indian meteorological data and terrain classifications.
13Sections
195Clauses Indexed
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1987Edition
Structural SafetyCategory
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Overview
What This Standard Covers
IS 875 Part 3 (1987) provides the code of practice for determining wind loads on buildings and structures in India, excluding earthquake loads. It specifies methods to calculate design wind pressures considering terrain, topography, building geometry, and structural elements, incorporating factors like gust effects and internal pressures. This standard is essential for structural engineers and designers to ensure safety and stability of buildings against wind forces based on Indian meteorological data and terrain classifications.
Audience
Who Uses This Standard
Structural Engineers
Civil Engineers
Architects
Building Designers
Wind Load Analysts
Construction Engineers
Regulatory Authorities
Contents
Key Topics Covered
✓Basic wind speed and wind pressure determination
✓Terrain classification and effects on wind profile
✓Topographical factors influencing wind loads
✓Force and pressure coefficients for various building shapes
✓Calculation of wind loads on individual structural members
✓Internal and external pressure coefficients for buildings
✓Wind load on roofs including monoslope, pitched, curved, and combined roofs
✓Gust factor and dynamic effects on slender structures
✓Wind load on special structures like grandstands and silos
✓Effect of openings on internal pressure coefficients
✓Reduction factors for finite length members
✓Use of gust energy method for design wind loads
Structure
Table of Contents
1Scope▼
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2Basic Wind Speed▼
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3Terrain and Height Factors▼
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4Topographical Factors▼
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5Wind Pressure and Velocity Profiles▼
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6Force and Pressure Coefficients▼
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7Wind Loads on Buildings and Structures▼
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8Gust Factor and Dynamic Effects▼
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9Wind Loads on Individual Structural Members▼
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10Internal Pressure Coefficients▼
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11Special Structures and Roof Types▼
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12Calculation Procedures▼
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13Appendices on Topographical Effects and Examples▼
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Frequently Asked
Popular Questions About IS 875 Part 3
?How is basic wind speed determined according to IS 875 Part 3?▼
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?What terrain categories are defined and how do they affect wind load calculations?▼
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?How are internal and external pressure coefficients applied for buildings with openings?▼
Detailed answer not available.
?What force coefficients should be used for different structural members and roof types?▼
Detailed answer not available.
?How does the standard address gust effects and dynamic responses in slender structures?▼
Detailed answer not available.
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