Static vertical pendulum – apparatus for in-situ relative stress measurement

Number of the records: 1

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SYSNO ASEP	0356175
Document Type	C - Proceedings Paper (int. conf.)
R&D Document Type	Conference Paper
Title	Static vertical pendulum – apparatus for in-situ relative stress measurement
Author(s)	Neumann, L. (CZ) Kalenda, Pavel (USMH-B)_RID
Source Title	Rock stress and earthquakes. - London : Taylor and Francis, 2010 / Xie F. - ISBN 978-0-415-60165-8
Pages	s. 255-261
Number of pages	7 s.
Action	International Symposium on In-situ Rock Stress (ISRSV) /5./
Event date	25.08.2010-27.08.2010
VEvent location	Beijing
Country	CN - China
Event type	WRD
Language	eng - English
Country	GB - United Kingdom
Keywords	stress ; earthquake prediction
Subject RIV	DC - Siesmology, Volcanology, Earth Structure
CEZ	AV0Z30460519 - USMH-B (2005-2011)
UT WOS	000290973700039
Annotation	Static vertical pendulums have been installed in mines and caves in Central Europe since 2007. The two dimensional optical measurement of tilt of rock mass and continuous full digital on-line evaluation of results makes possible to detect small tilt of the surroundings with resolution of tens of nanoradians or deformation of the surroundings in the horizontal plane with resolution of hundereds nanometers. The paper will describe the measurement device, measurement method, observed effects and theirs evaluation.
Workplace	Institute of Rock Structure and Mechanics
Contact	Iva Švihálková, svihalkova@irsm.cas.cz, Tel.: 266 009 216
Year of Publishing	2011

Number of the records: 1