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Strain Analysis using Resistance Strain Gauges

Training Course

Date/Time: 21  - 24 October 2024

Location: Sheffield, UK

Price: £1730 ex VAT

All courses can be taken independently and taking an exam is optional.

The Strain Analysis course provides an introduction to electrical resistance strain gauges and the associated circuits for strain measurement and transducer applications. It covers the installation of foil gauges using cyanoacrylate and epoxy adhesives, inspection of installations, the measurement of strain and load, and the use of rosettes to determine principal values.

The course uses lectures, demonstrations and practical tasks to provide participants with a good understanding of electrical resistance strain gauges, the selection and use of gauges and circuits for strain measurement and transducer applications, the positioning of gauges, and the methods used to install and test gauges and circuits.

Some previous strain gauge experience is desirable.

Hands-on sessions form an important element of the course and it is therefore necessary to restrict the group size to about 8. Because places are limited, please complete the registration form with your details and preferred options. On receipt of your application, the Chair of the Certification Committee will contact you to confirm your registration or discuss with you the options of a future date. 


Day 1 

09.00 Registration and introduction.
Linear strain.
Variation of strain with position.
Displacement gauges and strain gauges.
Bridge circuits for strain gauges used for strain measurement and transducers.
12.15 Lunch
13.00 Circuit practice.
Long-leadwire circuits: introduction and practice.
Quarter-bridge calibration introduction.

Day 2 

09.00 Quarter-bridge calibration practice.
Foil strain gauge details.
Surface preparation procedure.
Gauge bonding procedure for cyanoacrylate adhesive.

12.15 Lunch
13.00 Bonding practice using cyanoacrylate adhesive.
Visual inspection.
Gauge bonding procedures for epoxy adhesives.
Bonding practice using cold-curing epoxy adhesive.

Day 3 

09.00 Quarter-bridge wiring introduction.
Wiring practice with open-faced and encapsulated gauges.
12.15 Lunch
13.00 Full-bridge wiring: introduction and practice.
Visual inspection.
Resistance and out-of-balance measurements.
Protection: introduction and practice

Day 4

09.00 Strain limit of gauge installations: introduction and practice.
Calibration of the full-bridge installed on Day 3.
Variation of strain with angular orientation. Principal strains from rosette measurements.
Correction of measured strains
12.15 Lunch
13.00 Stress.
Young’s modulus.
Calculation of stress from measured strains.
Multipoint strain measurement near a discontinuity.
Maximum strain and stress.

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