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Description
  • The project aims to broaden the common seismological approach to the mechanism of seismic events by searching for more general phenomena than traditional shear slip. It will allow us to use the retrieved mechanism to detect the mode of fracturing and to track its development in time. The non-shear fracturing of rock mass is manifested by occurrence of non-double-couple components in the moment tensor. To assess the reliability of non-shear fracture retrieval, the methodology must be upgraded by complementing with non-DC error analysis. Aimed to process large amounts of data, the procedure will be automated. Two applications are foreseen: (1) Mining tremors: existence of mined-out cavities results in a specific fracturing of the rock mass different from natural earthquakes. Its retrieval will help to discriminate mining tremors and earthquakes, and detect various types of the tremors. (2) Hydrofracturing in industrial wells: observing the mechanism of induced seismic events will enable to map the zones of tensile fractures and, thus, to assess the effectivity of hydrofracturing. (en)
  • Vývoj robustní metodiky určování mechanismu seismických jevů indukovaných důlní činností a hydraulickým rozrušováním používaným v průmyslových vrtech. Využití zjištěných nestřižných charakteristik jako nástroje pro sledování způsobu rozrušení horniny:rozlišení otřes-zemětřesení,efektivita hydr.rozr.
Title
  • Non-double-couple mechanisms - a tool for monitoring the mode of fracturing (en)
  • Nestřižné mechanismy - nástroj detekce módu rozrušování
skos:notation
  • GA205/09/0724
http://linked.open...avai/cep/aktivita
http://linked.open...kovaStatniPodpora
http://linked.open...ep/celkoveNaklady
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  • indukovaná seismicita, důlní otřesy, hydraulické rozrušování (en)
http://linked.open...ep/partnetrHlavni
http://linked.open...inujicichPrijemcu
http://linked.open...cep/pocetPrijemcu
http://linked.open...ocetSpoluPrijemcu
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  • The project gone according to plan both in terms of expertise and in terms of disbursement of funds. (en)
  • Řešení projektu proběhlo podle plánu jak z hlediska odborného tak i z hlediska čerpání finančních prostředků. (cs)
http://linked.open...tniCyklusProjektu
http://linked.open.../cep/klicoveSlovo
  • důlní otřesy
  • indukovaná seismicita
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