Abstract

This article presents study based on ultrasonic nondestructive method in structural inspection of monument pedestal that is made of several granite blocks. The goal of the study is to define the sizes, shapes, location of granite blocks and determining the actual scheme. Ultrasonic nondestructive methods are frequently used for thickness determination, so the ultrasonic tomography MIRA A1040 that consists of 48 low-frequency broadband transverse wave was used in this study. The article contains device settings (ultrasonic wave speed and ultrasonic wave frequency) determined for usage with construction made of granite. As the results of pedestal inspection a tomograms and drawing based on ultrasonic testing are presented. The drawing accurately shows the dimension, shapes and location of granite blocks also it shows the results of tomography and the post processing of the obtained data. The analysis of the collected data is made.

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