. "2015-03-20+01:00"^^ . "0"^^ . "V\u00FDvoj a studium vlastnost\u00ED progersivn\u00EDch v\u00FDbuchovzdorn\u00FDch materi\u00E1l\u016F" . . "Materials that are currently used for the construction of\u00A0closing barriers during\u00A0the liquidation of\u00A0fire disaster in mines are not suitable\u00A0for reasons of poor quality of hardened structure. Gypsum\u00A0that is used for this purpose does not set in the entire volume of barrier structure, which means a\u00A0health hazard\u00A0for underground workers and other technological problems with demolition of the barrier. The proposed project is focused on\u00A0investigation of the possible utilization of\u00A0alkali activated fly ash and slag as\u00A0a material for closing barriers' construction and optimization of of these materials for such purposes. Investigation of these materials, based on secondary raw materials, aim not only to increase labour protection but also to\u00A0affect the economical and ecological aspects related to the barrier's construction."@en . . . . "1"^^ . "0"^^ . . "GP103/08/P270" . "V\u00A0sou\u010Dasn\u00E9 dob\u011B pou\u017E\u00EDvan\u00E9 materi\u00E1ly pro v\u00FDstavbu v\u00FDbuchuvzdorn\u00FDch uzav\u00EDrac\u00EDch hr\u00E1z\u00ED (VVUH), p\u0159i likvidaci d\u016Fln\u00EDch po\u017E\u00E1r\u016F prostorov\u00FDm uzav\u00EDr\u00E1n\u00EDm, jsou nevyhovuj\u00EDc\u00ED p\u0159edev\u0161\u00EDm z\u00A0hlediska nekvalitn\u00EDho vytvo\u0159en\u00ED pevn\u00E9 struktury materi\u00E1lu stavebn\u00EDho d\u00EDla. S\u00E1dra, kter\u00E1 se k\u00A0tomuto \u00FA\u010Delu pou\u017E\u00EDv\u00E1, nezatuhne v\u00A0cel\u00E9m objemu t\u011Blesa hr\u00E1ze, co\u017E m\u00E1 za n\u00E1sledek vytvo\u0159en\u00ED rizika ohro\u017Een\u00ED pracuj\u00EDc\u00EDch v\u00A0podzem\u00ED nedosa\u017Een\u00EDm po\u017Eadovan\u00E9 v\u00FDbuchuvzdorn\u00E9 pevnosti, a tak\u00E9 n\u00E1vazn\u00E9 technologick\u00E9 probl\u00E9my p\u0159i likvidaci t\u011Blesa hr\u00E1ze. Navrhovan\u00FD projekt je zam\u011B\u0159en na studium mo\u017Enost\u00ED vyu\u017Eit\u00ED alkalicky aktivovan\u00FDch pop\u00EDlk\u016F a strusek pro v\u00FDstavbu VVUH a\u00A0optimalizace slo\u017Een\u00ED takov\u00FDchto materi\u00E1l\u016F\u00A0pro dan\u00E9 \u00FA\u010Dely. V\u00FDvoj t\u011Bchto materi\u00E1l\u016F s vyu\u017Eit\u00EDm druhotn\u00FDch surovin si klade za c\u00EDl nejen zv\u00FD\u0161en\u00ED bezpe\u010Dnosti pracuj\u00EDc\u00EDch p\u0159i \u0159e\u0161en\u00ED mimo\u0159\u00E1dn\u00FDch ud\u00E1lost\u00ED v\u00A0podzem\u00ED, ale tak\u00E9 sn\u00ED\u017Een\u00ED ekonomick\u00E9 a ekologick\u00E9 z\u00E1t\u011B\u017Ee spojen\u00E9 s v\u00FDstavbou VVUH." . "The main objective of this proect was a development of new progressive materials for the construction of closing barriers in mines, which function is to prevent from the propagation of shock waves and subsequent fire arised from a methane or coal dust explosion. For such purposes, a material based on alkali activated fly ash and fly ash/slag mixtures was employed. Firstly"@en . . "2008-01-01+01:00"^^ . " alkali activation" . " fly ash" . "slag; fly ash; alkali activation; closing barrier"@en . "2010-12-31+01:00"^^ . . . "slag" . "2010-04-16+02:00"^^ . . . . . . . . . "Hlavn\u00EDm \u00FAkolem projektu byl v\u00FDvoj nov\u00FDch progresivn\u00EDch hmot pro v\u00FDstavbu v\u00FDbuchovzdorn\u00FDch uzav\u00EDrac\u00EDch hr\u00E1z\u00ED (VVUH), kter\u00E9 maj\u00ED za \u00FAkol zabr\u00E1nit \u0161\u00ED\u0159en\u00ED tlakov\u00E9 vlny a n\u00E1sledn\u00E9ho po\u017E\u00E1ru p\u0159i v\u00FDbuchu metanu nebo aerosolu uheln\u00E9ho prachu. Pro v\u00FDvoj nov\u00E9 hmoty byl zvolen materi\u00E1l na b\u00E1zi alkalicky aktivovan\u00E9ho pop\u00EDlku a vysokopecn\u00ED granulovan\u00E9 strusky. Nejprve byly studov\u00E1ny sm\u011Bsi vysokoteplotn\u00EDho pop\u00ED"@cs . . "http://www.isvav.cz/projectDetail.do?rowId=GP103/08/P270"^^ . "7"^^ . "Development and study of the properties of progressive expolosion resistant materials"@en . . "7"^^ .