Arşiv ve Dokümantasyon Merkezi
Dijital Arşivi

Nondestructive testing of concrete by ultrasound

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dc.contributor Graduate Program in Electrical and Electronic Engineering.
dc.contributor.advisor Kahveci, Adnan.
dc.contributor.author Kumcuoğlu, Ali Sina.
dc.date.accessioned 2023-03-16T10:17:11Z
dc.date.available 2023-03-16T10:17:11Z
dc.date.issued 1979.
dc.identifier.other EE 1979 K96
dc.identifier.uri http://digitalarchive.boun.edu.tr/handle/123456789/12718
dc.description.abstract In this thesis, nondestructive testing of materials using Ultrasonic techniques has been investigated. Especially the determination of the quality of concrete, how the sonic wave behaves in concrete, relation of acoustic velocity to Elasticity Modulus and to compressive strength, and other problems of testing procedure have been examined. An instrument is built up for this purpose which is designed to measure the transit time of sound propagation in a medium between two Ultrasonic Tansducers and to display it in microseconds. Thus, the velocity of s01md in the medium can easily be derived. If the medium is concrete, then, from the velocity the quality of concrete and other parameters can be determined. The instrument in fact can easily be adapted for transit time measurements of other kinds of materials or media for testing purposes. The instrument basically consists of transmitter and receiver circits, counter, control unit and transducers. With the start pulse the circuit starts counting and at the same time the Ultrasonic wave is transmitted. With the stop pulse which is created after detection of the sonic wave, counting ceases and the time elapsed occursrs on the digital display. The instrument also makes it possible to locate the depths of the flaws inside e. g. cracks, and to determine thickness, if sound velocity in the sample is known.
dc.format.extent 30 cm.
dc.publisher Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1979.
dc.relation Includes appendices.
dc.relation Includes appendices.
dc.subject.lcsh Nondestructive testing.
dc.subject.lcsh Concrete -- Testing.
dc.subject.lcsh Ultrasonic testing.
dc.title Nondestructive testing of concrete by ultrasound
dc.format.pages vii, 74 leaves;


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