Advantages of the Ultrasonic Pulse Velocity Test
Ultrasonic pulse
velocity testing is a revolutionised non-destructive testing which can be
applied on various structures. Concrete testing equipment that uses ultrasonic
pulses provides faster and more accurate result. Moreover, the test can be
conducted without causing any destruction or damages to the concrete element.
Using an ultrasonic pulse velocity test may help save money and time at the
same time because it eliminates the need to test, break, and throw away
hundreds of cylinders and cubes.
In an ultrasonic
pulse velocity test, the material's pulse velocity is determined by the
material's density and elastic properties, both of which are related to the
material's strength and quality. High-quality ultrasonic pulse equipment enables
a reliable and more accurate way to determine the internal properties of
materials. Hence, it is useful for determining a material's homogeneity and for
detecting the presence of cracks, defects, voids, and other imperfections
within the structure.
Ultrasonic pulses also
provide a reliable measure of the changes in concrete. Chemical attacks, frost,
fire, and cement hydration are some of the reasons why concrete may change or
become defective. An ultrasonic pulse velocity test may help determine the
modulus or strength of the material, and make sure that the concrete is still
able to conform to specified regulations and standard requirements.
A basic mode of the
ultrasonic testing method is known as 'time of flight', and it pertains to
timing the arrival of the ultrasonic pulse from a transducer via a solid medium
to another transducer. The ultrasonic pulse velocity is determined by dividing
the distance between the transducers by the time of the arrival. High-quality
testing devices offer three transmission modes, which can be employed in real
life based on the access to the concrete elements or testing surfaces. Some types of
ultrasonic pulse velocity testing equipment come with an analysis software
to help you review the data and adjust the measurement settings.
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