EARTHQUAKE RESPONSE OF CAVERNS: EMPIRICAL CORRELATIONS AND NUMERICAL MODELING.

C. H. Dowding*

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Scopus citations

Abstract

Tunnel damage from explosion and earthquake excitation is correlated with strain and particle motions. Critical strains and motions are then correlated with focal distance, which is so small that permanent strains are highly likely. The shaking process is then numerically modeled to investigate the effects of excitation frequency and joint orientation. The models confirm that near cavern blocks slide intermittently only at relatively high particle velocities during periods of low joint normal stress. Larger displacements occur with relatively small shear wave lengths or relatively high frequencies. Variation in joint orientation and rock mass dilation result in changes in displacement.

Original languageEnglish (US)
Title of host publicationUnknown Host Publication Title
PublisherSoc of Mining Engineers of AIME
Pages71-83
Number of pages13
ISBN (Print)0895204398
StatePublished - 1985

ASJC Scopus subject areas

  • Engineering(all)

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