Code of Practice for Use of Structural Steel In Overhead Transmission Line Towers, Part 1: Material,Loads and Permissible Stress, Section 2: Permissible Stress
IS 802 Part 1 Section 2 (1992) provides the code of practice for permissible stresses in structural steel used specifically for self-supporting overhead transmission line towers. It details material requirements, loading conditions, and allowable stress limits to ensure safe and reliable design of steel lattice towers, excluding guyed towers. This standard is essential for engineers involved in the structural design and assessment of transmission towers, focusing on bolt properties, slenderness ratios, and net sectional areas for tension and compression members.
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1992Edition
Structural Engineering and structural sectionsCategory
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Overview
What This Standard Covers
IS 802 Part 1 Section 2 (1992) provides the code of practice for permissible stresses in structural steel used specifically for self-supporting overhead transmission line towers. It details material requirements, loading conditions, and allowable stress limits to ensure safe and reliable design of steel lattice towers, excluding guyed towers. This standard is essential for engineers involved in the structural design and assessment of transmission towers, focusing on bolt properties, slenderness ratios, and net sectional areas for tension and compression members.
Audience
Who Uses This Standard
Structural Engineers
Transmission Line Designers
Civil Engineers
Steel Fabricators
Quality Control Inspectors
Construction Managers
Standards Compliance Officers
Contents
Key Topics Covered
✓Permissible stresses in steel members
✓Material properties and yield strength
✓Slenderness ratios for compression and tension members
✓Design of bolted connections and bolt stress limits
✓Net sectional area calculations for tension members
✓Load considerations including conductor tension and wind loads
✓Design provisions for gusset plates and lattice members
✓Effective slenderness ratios for redundant members
✓Minimum thickness requirements for galvanized and painted members
✓Hole sizing and bolt length specifications
✓Statutory and safety compliance requirements
✓Bracing systems and their impact on member capacity
Structure
Table of Contents
1Scope▼
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2Materials and Yield Strength▼
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3Statutory Requirements▼
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4Conductor Tension▼
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5Permissible Stresses▼
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6Slenderness Ratios▼
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7Design of Gusset Plates▼
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8Net Sectional Area for Tension Members▼
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9Design of Angle Members and Connections▼
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10Bolt Design and Permissible Stresses▼
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11Framing and Joint Angles▼
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Annex AList of Referenced Indian Standards▼
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Frequently Asked
Popular Questions About IS 802
?What are the permissible stress limits for structural steel members in transmission towers according to IS 802 Part 1 Section 2?▼
Detailed answer not available.
?How are slenderness ratios calculated and applied for compression and tension members in overhead transmission line towers?▼
Detailed answer not available.
?What are the requirements for bolt selection, including permissible stresses and hole sizing, in tower construction?▼
Detailed answer not available.
?How does the standard address the design of gusset plates and bolted connections for lattice tower members?▼
Detailed answer not available.
?What are the minimum thickness requirements for galvanized and painted steel members used in transmission towers?▼
Detailed answer not available.
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