National Repository of Grey Literature 80 records found  beginprevious71 - 80  jump to record: Search took 0.01 seconds. 
Progress report on the project VII/2013 Quality Assessment HM and geotechnical survey for construction of an underground gas storage Milasín - Bukov - List of works on the project and the achieved results for the second quarter of 2013
Souček, Kamil ; Koníček, Petr ; Vavro, Martin ; Staš, Lubomír ; Ptáček, Jiří ; Vavro, Leona ; Waclawik, Petr ; Georgiovská, Lucie ; Patočka, M.
Based on Contract No. G1042011 with the client fy DIAMO state enterprise Stráž, branch GEAM Lower Rožínka was prepared this interim report, which summarizes the list of works, presents and assesses the findings and results for the period April-June 2013, on the evaluation of rock mass quality and geotechnical survey was intended to build an underground gas storage facility.
Construction sculptural monuments of Krupník and new method of restoration
Gajda, J. ; Vavro, M. ; Vavro, Leona
The paper briefly reviews one of the proposed methods of probabilistic reliability assessment of anchoring reinforcement, usable in mine excavations and underground workings. Application of this concept – software „Kotvení“ was especially developed for this purpose using DDFPM (Direct Determined Fully Probabilistic Method).
Unique colour Cetraceous sandstone from quarry Javorka in Lázně Bělohrad
Vavro, M. ; Žoček, F. ; Vavro, Leona ; Petrů, J. ; Martinec, Petr ; Ščučka, Jiří
Presented contribution gives a summary of geologocal conditions, mineragical and petrographic compositions and physical-mechanical durability properties of one, in colour and texture unusual sandstone of Czech Cetraceous Period. This stone is slightly pink and violet sandstone, nowadays exploited in qarry Javorka in Horní Nová Ves by Lázně Bělohrad and therefore sometimes also called Bělohrad sandstone.
Metakaolin Mefisto K05 a metalupek Mefisto L15 jako přísada do betonu - vliv metakaolinu a metalupku na průběh hydratace cementového kamene
Martinec, Petr ; Vavro, M.
V návaznosti na souběžné experimenty, zabývající se vlivem metakaolinů Mefisto na vlastnosti vysokohodnotných a vysokopevnostních betonů a ověřování metodiky pro hodnocení mikrostruktury cementového kamene s metakaolinovými pucolány byl realizován experiment, jehož cílem bylo vysvětlit specifické vlstnosti cementového kamene v takto aktivovaných betonech.
Metakaolins of Mefisto series as effective pozzolan component of high-performance and high-strenght concrete
Vavro, M. ; Martinec, Petr ; Šafrata, J. ; Hurta, J.
V příspěvku jsou studovány možnosti dosažení specifických vlastností betonu jako je např. vysoká pevnost, dlouhodobá stálost a korozní odolnost použitím příměsi metakaolinu Mefisto.
Sources, properties and stability of building stones on territory of Ostrava Town
Martinec, Petr ; Vavro, M.
Sources of building stones on teritory Ostrava-Town, stability and properties. Historical utilization.
Stress-strain behaviour research of rocks under dynamic loading
Petroš, V. ; Bagde, M. N. ; Daněk, T. ; Hofrichterová, L. ; Hudeček, V. ; Michalčík, P. ; Slivka, V. ; Špinka, O. ; Vavro, M. ; Žůrek, P. ; Holub, Karel
The aim of this project was oriented to determination of physical-mechanical characteristics of rocks under dynamic load using laboratory device MTS 816 Rock Test System. The research was drawn to investigation of surrounding rocks properties, i.e. rocks from the rock massif, where anomaleous geomechanical events do occur.
Thermal modificated kaolinine and kaoline-clays and their application as pucolanes in concretes
Vavro, M. ; Martinec, Petr
Experimental verification of admixture of metakaoline and metaclay on concrete properties.

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