Question (4) A concrete beam was tested to evaluate the depth of a transverse surface crack (indirect transmission). The emitter transducer was fixed in a location and the receiver transducer was moved along the length of the beam. The recorded readings are as follows: Distance from emitter (mm) 250 400 650 900 1200 1500 1800 2000 2250 98 158 225 339 413 487 536 585 Transient time (µ sec) Given that the crack axis could be located at 1000 mm from the location of the emitter transducer, 61 Calculate: a) the crack depth b) Average ultrasonic pulse velocity in the concrete and evaluate its quality.

Question (4) A concrete beam was tested to evaluate the depth of a transverse surface crack (indirect transmission). The emitter transducer was fixed in a location and the receiver transducer was moved along the length of the beam. The recorded readings are as follows: Distance from emitter (mm) 250 400 650 900 1200 1500 1800 2000 2250 98 158 225 339 413 487 536 585 Transient time (µ sec) Given that the crack axis could be located at 1000 mm from the location of the emitter transducer, 61 Calculate: a) the crack depth b) Average ultrasonic pulse velocity in the concrete and evaluate its quality.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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