Summary of Rock-Property Measurements for Hong Kong TuffSamples
A series of rock-property measurements was performed on a suite of rhyolitic tuff samples from the area above the Aberdeen Tunnel of Hong Kong. The goal of this study was to determine the mechanical properties of these samples after weathering. This report contains petrographic descriptions, porosity, bulk and grain density, as well as ultrasonic measurements, elastic modulii calculations, and rock-strength determinations. Variations in rock properties are related to alteration and the presence of fractures in the tuff. Granitic rocks located adjacent to the altered tuffs would be better candidates for underground excavations.
- Research Organization:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Sponsoring Organization:
- USDOE Laboratory Directed Research andDevelopment
- DOE Contract Number:
- DE-AC02-05CH11231
- OSTI ID:
- 885236
- Report Number(s):
- LBNL-58878; R&D Project: 366256; BnR: YN0100000; TRN: US200616%%454
- Country of Publication:
- United States
- Language:
- English
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