Nondestructive Testing Using Borehole and Surface Seismic Techniques to Evaluate Rock Mass Damage Zonesby P. P. Nelson, Univ of Texas at Austin, Austin, United States,
K. H. Stokoe, II, Univ of Texas at Austin, Austin, United States,
Document Type: Proceeding Paper
Abstract: A suite of seismic tests was performed at the U12g tunnel at the Nevada Test Site. The methods include borehole (crosshole and downhole) and surface (Rayleigh wave and refraction) tests. Results indicate that the different methods should be considered complimentary, and that seismic methods can sensitively evaluate magnitudes and variations of in situ rock mass stiffnesses. In particular, near-surface low velocity (damage) zones are delineated quite well with Rayleigh wave and downhole methods.
Subject Headings: Seismic tests | Rock masses | Surface waves | Damage (material) | Damage (structural) | Boring | Nondestructive tests | Wave velocity | Rayleigh waves | Wave spectrum | North America | United States | Nevada | Raleigh | North Carolina
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