Extract a micro-core samples from a rock is an extremely valid non-destructive method, as it allows analysis and accurate evaluations (compression resistance, ecc.) without causing any damages, considering the dimension of the hole that can be eventually clogged with mortar.
Micro-coring system is ulteriorly valid and reliable if combined with ultrasonic tester and concrete hammer.
Micro-core extraction is easy, correct and requires the presence of one operator only.
The equipment comprises: