期刊
ROCK MECHANICS AND ROCK ENGINEERING
卷 44, 期 3, 页码 281-289出版社
SPRINGER WIEN
DOI: 10.1007/s00603-010-0125-2
关键词
In situ stress; Stress memory; Acoustic emission; Kaiser effect
资金
- Asahi Glass Foundation
In situ stress measurement is not well accepted yet in Indonesia due to the unavailability of technology, high costs and because it is impractical in remote regions. Alternatively, the Kaiser effect of acoustic emission (AE) can be used as a method for determining the stress-state at depth, without creating induced stress and is practical in remote areas. This paper is focused on the development of the AE test. The research has started to study the phenomenon of stress memory in a rock sample, the factors influencing the phenomenon, and finally, to determine the in situ stresses around underground excavations by applying the AE method. It is expected that knowledge in gaining the most important input parameters for maintaining the stability of underground excavations can be well understood and be reliably conducted at a reasonable cost.
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