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Test techniques included measurements of Q by resonance spectroscopy through sonic test, damage by mechanical load/unload cycles of number N, and measuring ultimate strength under uniaxial compression.
With the sonic test results it is possible to calculate values of Poisson's ratio, Young's modulus and shear modulus, to characterize the material.
The sonic test resulted in characteristic values of propagation velocities of the sonic waves in the analyzed walls, with these results obtained values of Young's modulus that supported the mechanical tests.
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Ultra sonic testing, penetration testing, and mechanical property testing show no defects in the castings with the productivity significantly increased.
For sonic tests, the highest velocity points are in the header block, from the direct configuration test.
This paper focuses on the application of geophysical methods, namely Ground Penetrating Radar (GPR) and sonic tests for civil engineering purposes as NDT research options.
The sonic tests are performed with an instrumented hammer and accelerometers for body and surface waves reception, namely, P, S and R.
A comprehensive field survey fully based on non-destructive testing techniques, which integrates laser scanning, ground penetration radar, sonic tests and ambient vibration testing, is proposed.
The inspection and diagnosis involved sonic testing and damage mapping, while ambient vibration tests revealed the modal response of the structure.
The GPR presented radargrams suitable for the structural constitutive type of the walls and the zones identified with the presence of more resistant structural elements validate the results obtained by the sonic tests.
In this way, different non and minor destructive techniques as flat jack, hole-drilling and sonic tests have been used in order to evaluate the mechanical and morphological characteristics of different rubble stone masonry walls, under field conditions.
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