Adaptation of the S-5-S Pendulím Seismometer for Measurement of Rotational Ground Motion

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68145535%3A_____%2F12%3A00382667" target="_blank" >RIV/68145535:_____/12:00382667 - isvavai.cz</a>
Result on the web
<a href="http://link.springer.com/article/10.1007%2Fs10950-012-9279-6" target="_blank" >http://link.springer.com/article/10.1007%2Fs10950-012-9279-6</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1007/s10950-012-9279-6" target="_blank" >10.1007/s10950-012-9279-6</a>

Result language
angličtina
Original language name
Adaptation of the S-5-S Pendulím Seismometer for Measurement of Rotational Ground Motion
Original language description
The Russian electrodynamic seismometer model S-5-S has been adapted for the measurement of rotational ground motion. The mechanical system of the original S-5-S seismometer consists of electrodynamic sensing and damping transducer coils mounted on an asymmetrical double-arm pendulum. This pendulum is suspended on a footing using two pairs of crossed flat springs, which operate as the axis of rotation. The pendulum is stabilised by an additional spring. The S-5-S can be used either as a vertical or as ahorizontal sensor. The adaptation of the S-5-S seismometer described below involves removal of the additional spring and installation of an additional mass on the damping arm. Strain gauge angle sensors are installed on one pair of the crossed flat springs. The main dynamic parameters of the rotational seismometer created in this way, i.e. the natural period and damping, are controlled electronically by feedback currents proportional to the angular displacement and angular velocity, both
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
DC - Seismology, volcanology and Earth structure
OECD FORD branch
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Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2012
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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