Slow waves in blocky rock mass

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1 Citation (Scopus)


Parts of the Earth’s crust have a blocky structure at different scales. It is reported in the literature that the waves propagating in blocky media can exhibit unusually low wave velocities (pendulum-type waves). Blocky structures are often characterised by: (1) very soft interfaces between the blocks as compared to the blocks themselves; (2) the ability of blocks for mutual rotations. The latter leads, in the presence of compression, to the effect of negative stiffness. This paper shows that both features can produce considerable reduction in wave velocities and, in the case of block rotation to considerable dispersion. Understanding these phenomena can provide additional means for exploring the Earth’s crust structure.
Original languageEnglish
Title of host publication9th Australasian Congress on Applied Mechanics (ACAM9)
Place of PublicationSydney
PublisherEngineers Australia
ISBN (Electronic)9781925627022
Publication statusPublished - 2017
Event9th Australasian Congress on Applied Mechanics -, Sydney, Australia
Duration: 27 Nov 201729 Nov 2017

Publication series

Name9th Australasian Congress on Applied Mechanics, ACAM 2017


Conference9th Australasian Congress on Applied Mechanics
Abbreviated titleACAM9


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