Closed Loop Control Tension Test

Data Acquisition System

Servo-Control

Valve

Command

Signal

Load Cell

AC Conditioner &

Feedback Signals

average

specimen

notch

75 mm

12.7 mm

2 LVDTs

Gettu, R., Mobasher, B., Carmona, S., and Jansen,D., "Testing of Concrete Under Closed-Loop Control," Journal of Advanced

Cement Based Materials, Vol. 3, No.2, March 1996, pp. 54-71.

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