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Last updated:

April 8, 2022

Duration:

4 weeks

$2
  • PKR: ₨446
  • EUR: €2
  • GBP: £2
  • INR: ₹162
  • BDT: ৳ 202
  • IRR: ﷼84,000

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This course includes:

4 weeks

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Certificate of completion

4 weeks

Description

A truss is a structure that consists of members organized into connected triangles so that the overall assembly behaves as a single object. Trusses are most commonly used in bridges, roofs, and towers.

A truss is made up of a web of triangles joined together to enable the even distribution of weight and the handling of changing tension and compression without bending or shearing. The triangle is geometrically stable when compared to a four (or more) -sided shape which requires that the corner joints are fixed to prevent shearing. Trusses consist of triangular units constructed with straight members. The ends of these members are connected at joints, known as nodes. They are able to carry significant loads, transferring them to supporting structures such as load-bearing beams, walls or the ground. In general, trusses are used to:
  • Achieve long spans.
  • Minimise the weight of a structure.
  • Reduced deflection.
  • Support heavy loads.
Trusses are typically made up of three basic elements:
  • A top chord which is usually in compression.
  • A bottom chord is usually in tension.
  • Bracing between the top and bottom chords.
The top and bottom chords of the truss provide resistance to compression and tension and so resistance to overall bending, whilst the bracing resists shear forces. The efficiency of trusses means that they require less material to support loads compared with solid beams. Generally, the overall efficiency of a truss is optimised by using less material in the chords and more in the bracing elements.

Course Curriculum

    • Trusses 00:35:00
    • U-Bolt Truss 00:20:00
    • What is Wrong with this Picture? 00:30:00
    • Dywidag Tensionable Sling 02:00:00
    • Failure Broken Wire 00:20:00
    • Pressure vs Applied Load 00:20:00
    • Cable Bolts 00:40:00
    • Excel Cable Bolt Passive System 00:10:00
    • Non-tensioned Cable Bolt 00:15:00
    • Cable Cross-section 04:00:00
    • Strength of Cable Bolts 00:20:00
    • Cable Bolt Properties 00:10:00
    • Common Cable Plans 00:25:00
    • Cable Plan for High Horizontal Stress 00:10:00
    • Free Body Diagram 00:30:00
    • Trusses Training Test 00:45:00

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