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Ultrasonic non-destructive testing for concrete

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Scan day: 09 February 2014 UTC
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Description: Photo and short description of the testing facilities at the National University of Singapore.
Ultrasonic non-destructive testing for concrete Facilities for the non-destructive testing of concrete include a PUNDIT (Portable Ultrasonic Non-destruclive Digital Indicating Tester), a Ultro Son! Scope (Marul Model MIN-1 1 05-03) and a Concrete Test Hammer (PROCEO Type N-34). While both the PUNDIT and the Ultra Son! Scope can be used to investigate cracks and voids in concrete, and to estimate dynamic modulus and strength of concrete, the Ultra Soni Scope has the additional feature of a built-in oscilloscope to display the received wave form. A concrete test hammer measures the 'rebound number' which is an approximate guide to the strength of new concrete which is not carbonated. Other non-destructive testing facilities include thermographic inspection equipment, cover meter, pull-off tester, paint and coating gauges (adhesion, thickness, gloss, etc.), and instrument for measuring thermal properties such as thermal conductivity etc.
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