Redundant Truss Apparatus Model MT 078
Redundant Truss Apparatus Model MT 078
Sci-tech Redundant Truss Apparatus Model MT 078 fits onto a Structures Test Frame. Two
supports hold the top and base of one side of a structure. The top support allows pivoting, the base support allows pivoting and rolling. Initially, one of the members is missing from the structure, making it determinate. To make the structure indeterminate, students refit the missing member.
Students manually apply a load to one end of the determinate framework using a screw-thread and electronic load cell. The load cell connects to a Digital Force Display which shows the applied load.
Each member of the structure has strain gauges attached. These each connect to a digital strain bridge which shows the member strains. Students use the strains to help them calculate the forces in the structure. A digital deflection indicator measures displacement in the structure.
Students note applied
| Size: | 120cm x 55cm x 110cm (LxWxH) |
| Weight: | 20 kg |
Item Description
Features
- High-quality structures teaching module for students of mechanical, civil and structural engineering.
- Allows safe and practical experiments into determinate and indeterminate structures
- Realistic and verifiable experiment results
- Optional ‘Sci-Cal’ Software package for extra, ‘virtual’ experiments, that simulate and confirm the results from your hardware and allow extended experiments
- Optional ‘Sci-Cal’ Software package for automatic data acquisition and virtual experiments
Sci-tech Redundant Truss Apparatus Model MT 078 fits onto a Structures Test Frame. Two
supports hold the top and base of one side of a structure. The top support allows pivoting, the base support allows pivoting and rolling. Initially, one of the members is missing from the structure, making it determinate. To make the structure indeterminate, students refit the missing member.
Students manually apply a load to one end of the determinate framework using a screw-thread and electronic load cell. The load cell connects to a Digital Force Display which shows the applied load.
Each member of the structure has strain gauges attached. These each connect to a digital strain bridge which shows the member strains. Students use the strains to help them calculate the forces in the structure. A digital deflection indicator measures displacement in the structure.
Students note applied load, strains and deflection in a determinate framework. They then repeat the experiment with the frame made indeterminate and analyze and compare their results.
Technical Specifications
Specifications
- Load application: 500 N electronic Load Cell, Resolution 0.1N
- Strain measurement: 16-way Digital Strain Bridge
- Deflection measurement: Digital Deflection Indicator, Resolution 0.01mm
- External Frame Load: 5kN max
- Horizontal & Vertical Members: 400mm centers
- External Frame equipped with 1000mm stand
- External Frame Dimensions: Approx. 1000x1200mm
- Optional ‘Sci-Cal’ DAQ interface software
Experiments
Study of strains, stresses, forces and deflections in:
- a statically determinate structure
- a statically indeterminate structure
Operating Conditions
Operating environment: Laboratory
- Storage temperature range: –10oC to +55oC (when packed for transport)
- Operating temperature range: +10oC to +50oC
- Operating relative humidity range: 80% at temperatures < 31oC decreasing linearly to 50% at 40oC
Model Number
MT 078
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