ISI Handbook for Structural Engineers -Part- 4 Use of High Strength Friction Grip Bolts
IS SP 6 (Part 4) - 1969 provides comprehensive guidance on the use of high strength friction grip (HTFG) bolts in structural engineering applications. It covers design principles, fabrication methods, tightening procedures, and inspection techniques to ensure reliable bolted joints with superior fatigue resistance. This standard is essential for structural engineers and fabricators involved in designing and assembling steel structures using HTFG bolts to achieve optimal joint performance and safety.
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112Clauses Indexed
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1969Edition
Structural Engineering and structural sectionsCategory
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Overview
What This Standard Covers
IS SP 6 (Part 4) - 1969 provides comprehensive guidance on the use of high strength friction grip (HTFG) bolts in structural engineering applications. It covers design principles, fabrication methods, tightening procedures, and inspection techniques to ensure reliable bolted joints with superior fatigue resistance. This standard is essential for structural engineers and fabricators involved in designing and assembling steel structures using HTFG bolts to achieve optimal joint performance and safety.
Audience
Who Uses This Standard
Structural Engineers
Steel Fabricators
Construction Engineers
Quality Control Inspectors
Design Consultants
Bridge Engineers
Mechanical Engineers involved in steel connections
Contents
Key Topics Covered
✓History and advantages of high strength bolts
✓Design of bolted joints under shear, tension, and combined loads
✓Torque control and part-turn methods for bolt tightening
✓Calibration and use of torque spanners and multipliers
✓Inspection and sampling procedures after bolt tightening
✓Assembly and surface preparation of joints
✓Behavior of friction grip joints under external tension
✓Fatigue resistance and stress concentration in bolted joints
✓Load indicating bolts and recent developments in bolt technology
✓Design examples for lap joints, column bases, and moment connections
✓Slip factor and proof load values for various bolt grades and sizes
✓Effect of repeated load variations on joint performance
Structure
Table of Contents
1Introduction▼
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1.1History▼
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1.2General Principles▼
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1.3Advantages of High Strength Bolts▼
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1.4Code of Practice▼
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2Design of Joints▼
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2.1General▼
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2.2Shear Connections▼
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2.3External Tension▼
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2.4Combined Tension and Shear▼
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2.5Moment Connections▼
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2.6Repeated Variation of Forces▼
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3Fabrication▼
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3.1General▼
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3.2Torque Control Method▼
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Frequently Asked
Popular Questions About IS sp
?What are the recommended methods for tightening high strength friction grip bolts?▼
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?How does the slip factor affect the design of friction grip joints?▼
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?What inspection procedures ensure proper bolt tension after assembly?▼
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?How are combined tension and shear loads accounted for in bolt design?▼
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?What are the advantages of using high strength friction grip bolts over rivets?▼
Detailed answer not available.
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