Forces in Various Single Plane Trusses Model MT 045
Forces in Various Single Plane Trusses Model MT 045
Sci-tech Forces in Various Single Plane Trusses Model MT 045 experimental set-up features bars with special snap-lock closures on their ends allowing them to be fixed easily into the node disc. The range of different bar lengths provided permits three forms of truss to be constructed.
The bars are hinged, joined together by node discs, and are subjected only to compressive or tensile stress. No moments are transmitted in the nodes; they can be regarded as frictionless. Consequently, our trusses can be considered as ideal trusses. A load application device attached to a node disc generates an external force. All the forces on the truss bars are recorded by means of strain gauges.
Optional computerized evaluation is provided by measuring amplifier (16 input channels). If there are more than 16 measuring points, the measuring amplifier can be extended by a measuring point add-on unit to 32 input channels. The software is used to manage the measurement data and provide graphical representation of the bar forces. The software features a comprehensive help function.
| Size: | 110cm x 40cm x 95cm (LxWxH) |
| Weight: | 15 kg |
Item Description
Features
* Measurement of the bar forces in a single plane truss1
* Construction of various truss forms1
* Bars with strain gauge full bridges to measure bar force1
* Optional Computerized evaluation of experiments
The object of the experiment is to measure the bar forces in a single plane truss subjected to a single external force.
Sci-tech Forces in Various Single Plane Trusses Model MT 045 experimental set-up features bars with special snap-lock closures on their ends allowing them to be fixed easily into the node disc. The range of different bar lengths provided permits three forms of truss to be constructed.
The bars are hinged, joined together by node discs, and are subjected only to compressive or tensile stress. No moments are transmitted in the nodes; they can be regarded as frictionless. Consequently, our trusses can be considered as ideal trusses. A load application device attached to a node disc generates an external force. All the forces on the truss bars are recorded by means of strain gauges.
Optional computerized evaluation is provided by measuring amplifier (16 input channels). If there are more than 16 measuring points, the measuring amplifier can be extended by a measuring point add-on unit to 32 input channels. The software is used to manage the measurement data and provide graphical representation of the bar forces. The software features a comprehensive help function.
All the component elements of the experiment are clearly laid-out and housed securely in a storage system. The complete experimental set-up is arranged in the frame.
The well-structured instructional material sets out the fundamentals and provides a step-by-step guide through the experiments.
Technical Specifications
Specifications
- Investigation of bar forces in a statically determinate truss
- Construction of various trusses possible
- 2 supports with node disc.
- Load application device with force gauge mountable on different node disc
- Strain gauge to measure force on each bar.
- Optional measuring amplifier
- Optional software to evaluate measurement data.
- Storage system to house the components.
- Experimental set-up in frame
Technical Specifications
Bars: 19
– 2 bars 150mm
– 5 bars 259mm
– 7 bars 300mm
– 1 bar 397mm
– 3 bars 424mm
– 1 bar 520mm
– angle between bars: 30°, 45°, 60°, 90°
– maximum bar force: 500N
– strain gauge on each bar
– height of truss max. 450mm
– length of truss max. 900mm
Load application device
– 500…+500N
– graduations: 10N
Experiment Possibilities
- Measurement of the bar forces in various single plane trusses
- Dependency on the external force
* magnitude
* direction
* point of application - Comparison of measurement results with mathematical methods
* method of joints
* Ritter’s method of sections - Basic principle: measurement of forces using strain gauges
Scope of Delivery
1 set of bars
5 node discs
2 supports with node disc
1 load application device
1 set of cables
1 storage system with foam inlay
1 optional software CD
1 set of instructional material.
Model Number
MT 045
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