National Repository of Grey Literature 13 records found  previous11 - 13  jump to record: Search took 0.00 seconds. 
Twenty five years of high pressure water jet research in ÚGN (IoG)
Vašek, Jaroslav
Water jet research of Institute of Geonics, principal water jet parameters evaluation, international cooperation.
Změny fyzikálních vlastností granitu vlivem teploty a režimu temperace
Kožušníková, Alena ; Konečný, Pavel ; Pivodová, Kateřina
With the increasing temperature a decrease in the ultrasonic wave velocity, bulk density, strength, modulus of elasticity and an increase in permeability, porosity were observed. Influence of temperature on strength and elasticity modulus of granite appeared until at higher temperatures (above 500°C) and more noticeable changes of physical properties were observed for shock tempering specimens.
Modelování THM procesů v horninách
Blaheta, Radim ; Kohut, Roman ; Neytcheva, M. ; Starý, Jiří
This paper is devoted to medelling thermal (T), hydraulic (H) and mechanical (M) processes in rocks.These physical processes seem to be most important ones for many engineering applications ranging from the classical mining, tunelling and underground constructions to new geotechnologies of waste disposal or geothermal anergy utilization.

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