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STS17 Redundant Truss

产品时间:2022-03-04 16:22:39

简要描述:

Experiment for the study of determinate and indeterminate truss structures. Mounts on the Structures platform and connects to the Structures automatic data acquisition unit and software (VDAS® Onboa

详细介绍

Experiment for the study of determinate and indeterminate truss structures.  Mounts on the Structures platform and connects to the Structures automatic  data acquisition unit and software (VDAS® Onboard).

Key Features 

• One of a range of experiment modules that teach structures principles 

• Fits to the Structures platform for ergonomic use and space-saving storage 

• Excellent introduction to statically indeterminate structures 

• Strain gauge amplififi er and multiple strain gauges for measurement of force in each member of the truss 

• Simple thumbscrew adjustment for easy engagement of the redundant member 

• Supplied with a storage tray to keep smaller items safe 

• Works with user-friendly software (VDAS®)

Description 

One of a range of experiment modules that fifi t to the  Structures platform (STS1, available separately), this  product helps students to understand the analysis of  statically determinate and indeterminate truss structures  made from a number of ‘members’ held together by joints  at their ends. Two supports hold the truss. One support  allows rotation only and the other allows rotation and  translation. Students apply a load to the truss at the free  end Joint Boss. Strain gauges on each truss member  measure the forces due to the load. A precision indicator  measures the framework deflfl ection due to the load. A  hand-operated load cell assembly applies and measures  the load. A simple thumbscrew engages and disengages  an extra ‘redundant’ member.  

Students apply loads to the truss initially without the extra  ‘redundant’ member engaged. This frame is stable and  statically determinate (can be solved by static equilibrium).  They then engage an extra ‘redundant’ member, making  the frame statically indeterminate, requiring a more  advanced analysis such as the strain-energy method.  Students may measure the deflfl ection of the frame for both  cases and compare.  

Students use textbook equations and methods to predict  the forces in each ‘member’, comparing them with the  measured results. This helps confifi rm the reliability of the  textbook equations and the accuracy of the experiment  results.  

The strain gauges connect to a strain gauge amplififi er,  which connects (with the load cell) to the interface hub  of the Structures platform for computer display and data  acquisition (VDAS® Onboard). 

Standard Features 

• Supplied with comprehensive user guide 

• Five-year warranty 

• Made in accordance with the latest European Union  directives 

• ISO9001 certififi ed manufacturer

Learning outcomes 

• Strain gauges as instruments 

• Forces within and deflfl ections of a truss structure that is  statically: 

  • determinate 

  • indeterminate 

• Member forces by the method of joints and method of  sections 

• Member forces by the use of the strain/energy method 

• Advantages and disadvantages of both versions of the  truss 

Essential Ancillary 

• Structures Platform (STS1) 

Software 

TecQuipment has created data acquisition applications  (VDAS® Onboard) for each experiment module, with  additional simulated experiments.  

The simulated experiments allow students to simulate the  hands-on laboratory experiments, verifying their results.  They also allow simulation of alternative setups, such as  frame members of diff erent cross-section and material,  extending the learning experience beyond the practical  laboratory session.

 


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