OTPORNOST DOLOMITNIH AGREGATA NA UDARNO HABAJUĆA OPTEREĆENJA I ZAMRZAVANJE
Journal Title: UNKNOWN - Year 1992, Vol 4, Issue 1
Abstract
Dolomitni agregati iz kamenoloma Čelina, Podsusedsko Dolje i Jarče polje podvrgnuti su ispitivanju na udarno habajuća opterećenja i zamrzavanje. Pri tome su korištene nenormirane i normirane metode prema HRN-u i ASTM-u. Posebna pažnja posvećena je određivanju koeficijenta Los Angeles (KLA), koeficijenta drobivosti (KD) i indeksa pregranulacije (lp) prije te nakon 25 i 50 ciklusa zamrzavanja. Dobivene vrijednosti, prikazane tebelarno i grafički, posljedica su strukturno-teksturnih i petrografskih značajki, geneze i različitih postgenetskih procesa, prije svega tektonike (mikroraspucanost i kataklaziranje) i rekristalizacije. Posebno je utvrđen utjecaj veličine, oblika i međusobne povezanosti kristala dolomita na udarno habajuća opterećenja te defekata u obliku savijanja, tlačnih sraslačkih lamela i kalavosti.
Authors and Affiliations
Ivan Tomašić Tomislav Ženko Saša Aljinović
Keywords
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