A surface instability detection apparatus

E. Papamichos, J. F. Labuz, I. Vardoulakis

Research output: Contribution to journalArticlepeer-review

32 Scopus citations


A surface instability detection apparatus for investigating axial splitting and spalling phenomena in rocks and rock-like materials is described. The apparatus simulates the conditions under which these phenomena occur and allows one to accurately measure them. Experimental results from tests on Berea sandstone are presented where the successive formation of spalling fractures was monitored with an acoustic emission system and the location of the seismic events was mapped. The test results show the potential for benchmark tests in determining the spalling tendency and characteristics of different rocks.

Original languageEnglish (US)
Pages (from-to)37-56
Number of pages20
JournalRock Mechanics and Rock Engineering
Issue number1
StatePublished - Jan 1 1994


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