"Geonics 2001. Temperature and its influence on geomaterials" - Výsledky hledání - Digitální repozitář

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	Determination of thermo-physical parameters of Carboniferous rocks in prospective area of underground coal mines of Ostrava-Karviná coalfield Zotyka, Václav Determination of thermally-physical properties of carboniferous rocks in OKR. Values are used at calculations of temperature and humidity changes in mine weather. Úplný záznam
	Study of kerfs induced by laser beam in rocks by image analysis Ščučka, Jiří Use of the image analysis system LUCIA DI for the classification and quantification of kerfs after coherent laser beam interaction with rocks is the main object of this paper. Úplný záznam
	Natural cokes in the exploration fields Frenštát - East and Čeladná - Krásná Kožušníková, Alena ; Pěgřimočová, J. In the exploration fields Frenštát - East and Čeladná - Krásná the layers of intrusions and natural cokes were found out. Chemical composition, physical properties and petrography of natural cokes are analysed. On the bore hole Č-1 the detailed analysis of layer of natural coke was carried out. Úplný záznam
	Influence of temperature on permeability and stress strain behaviour of granodiorite Daněk, T. ; Konečný, Pavel ; Kožušníková, Alena ; Nowakowski, A. Behaviour of rock samples in unaxial and triaxial stat of stress is influenced by a lot of factors as mineral composition and origin of the rock, degree of diagenesis etc. One of the important factors is temperature. Especially high temperature influences very strong the behaviour of the rocks. High temperature could be generated in varous ways in rock massif. The research results could be improved in solution of serious problematic of burning in tunnels, underground waste storage or modelling of temperature field in rock massif. Úplný záznam
	Documenta geonica 2001. Geonics 2001. Temperature and its influence on geomaterials Konečný, Pavel ; Kožušníková, Alena Institute of Geonics organized during the last decade the series of international conferences Geomechanics (1991-1993-1996).In the connection with recent research activities of the Institute of Geonics, the relevant questions of temperatures and their influence on geomaterials was picked up as the topic of the symposium Geonics 2001. Úplný záznam
	Large scale FE analysis of stresses due to excavation and heating Blaheta, Radim ; Jakl, Ondřej ; Kohut, Roman ; Starý, Jiří Paper shows the requirements for the use of efficient iterative solvers and parallel high performance computing for solving linear systems, which arise from large scale 3-D finite element (FE) analysis of problems of elasticity and thermo-elasticity in geomechanics. We also summarize our experience and results relating to the use of problem decomposition iterative methods. Úplný záznam
	Temperature effect on selected mechanical properties of rocks of Skalka locality Konečný, Petr Results of research of temperature effect on selected mechanical properties of rock of Skalka locality are discussed. Úplný záznam
	Interaction of laser beam with rocks Hlaváč, L. M. ; Martinec, Petr ; Jančárek, A. Interaction between laser beam and rocks was studied. Two types of laser beam was used in experiment. Continuous laser with high power and pulsing laser with low power. Úplný záznam
	Mathematical modelling of bituminous coal seams burning out Kozubek, T. ; Klika, Z. ; Dostál, Z. ; Dvořák, D. ; Martinec, Petr Burning out of three coal seams in Upper Silesian Coal Basin was modelled with simplifying assumptions. The heat equation with suitable initial and boundary conditions was used for the description of this process. Úplný záznam

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