System Overview

This advanced apparatus is designed for hands-on investigation of forces, deflections, and structural behavior in pin-jointed frameworks. Fully compatible with the Structures platform for computer-based data acquisition and display, it supports both fundamental and complex analyses in structural engineering education.

Learning Outcomes

• Introduction to Bow’s Notation: Learn and apply graphical force analysis using Bow’s notation.

• Strain Gauges for Force Measurement: Use strain gauges to measure internal forces within the framework.

• Analysis of Forces and Deflections in Various Truss Types:

  • Warren Truss

  • Howe/Pratt Roof Truss

  • Cantilever Trusses (Simple and Advanced)

• Application of Structural Analysis Methods:

  • Method of Joints and Method of Sections for force calculations

  • Strain-Energy Method for deflection analysis

• Wind Loading Effects: Investigate the effects of wind loading on roof trusses.

• Swaying (Lateral) Loads: Analyze the impact of swaying (lateral) loads on cantilever trusses.

Included Components

• Strain Gauge Amplifier (16-channel input)

• Supports:

  • Pinned and roller supports

  • Additional upright for custom configurations

• Trammel Arm with digital indicator (resolution: 0.001 mm)

• Connection Cables: 3

• Frame Members:

  • 7 x Long

  • 4 x Medium

  • 2 x Short

• Joint Bosses: 8 for frame assembly

• Load Cell: Maximum capacity: 650 N

• Hex Tools for secure fixings

• Storage Trays for frame members and accessories

• Inclinometer for angular measurements

• Comprehensive User Guide with detailed experimental procedures

Applications

Ideal for undergraduate and postgraduate studies in civil and mechanical engineering, this apparatus provides critical insights into the behavior of real-world truss systems. It facilitates theoretical validation, structural analysis, and exploration of how loading and geometry affect the performance of frameworks.