"CZ - \u010Cesk\u00E1 republika" . . "Excavation of Prague metro running tunnels using TBM technology"@en . . "Ra\u017Eba tra\u0165ov\u00FDch tunel\u016F pra\u017Esk\u00E9ho metra technologi\u00ED TBM" . "Ra\u017Eba tra\u0165ov\u00FDch tunel\u016F pra\u017Esk\u00E9ho metra technologi\u00ED TBM"@cs . . "Excavation of Prague metro running tunnels using TBM technology"@en . "12" . . "P(GAP104/10/2023)" . . "BETON-technologie, konstrukce, sanace" . "21110" . "Ra\u017Eba tra\u0165ov\u00FDch tunel\u016F pra\u017Esk\u00E9ho metra technologi\u00ED TBM"@cs . "Hilar, Matou\u0161" . "Ra\u017Eba tra\u0165ov\u00FDch tunel\u016F metra prob\u00EDh\u00E1 poprv\u00E9 v \u010Cesk\u00E9 republice s vyu\u017Eit\u00EDm modern\u00EDch plnoprofilov\u00FDch tunelovac\u00EDch stroj\u016F (technologie TBM). V souvislosti s ra\u017Ebou byla \u0159e\u0161ena \u0159ada souvisej\u00EDc\u00EDch technologi\u00ED - nap\u0159. doprava rubaniny, z\u00E1sobov\u00E1n\u00ED stroje segmenty ost\u011Bn\u00ED, materi\u00E1l v\u00FDpl\u0148ov\u00E9 injekt\u00E1\u017Ee za rubem ost\u011Bn\u00ED, postup mont\u00E1\u017Ee a demont\u00E1\u017Ee stroje ve st\u00EDsn\u011Bn\u00FDch podzemn\u00EDch prostorech, p\u0159esuny stroje p\u0159edra\u017Een\u00FDmi stanicemi atd. Stavebn\u00ED postupy si vy\u017E\u00E1daly ur\u010Dit\u00E9 zm\u011Bny projektu oproti p\u016Fvodn\u00EDmu zad\u00E1n\u00ED, \u010D\u00EDm\u017E se stavebn\u00ED pr\u00E1ce zjednodu\u0161ily, byla umo\u017En\u011Bna vy\u0161\u0161\u00ED rychlost v\u00FDstavby, nav\u00EDc je stavba \u0161etrn\u011Bj\u0161\u00ED k \u017Eivotn\u00EDmu prost\u0159ed\u00ED. Zvl\u00E1\u0161tn\u00ED pozornost je v\u011Bnov\u00E1na modern\u00EDmu prefabrikovan\u00E9mu segmentov\u00E9mu ost\u011Bn\u00ED, kter\u00E9 je charakteristick\u00E9 mimo\u0159\u00E1dnou p\u0159esnost\u00ED v\u00FDroby segment\u016F i jejich mont\u00E1\u017Ee. Na rozd\u00EDl od konven\u010Dn\u011B ra\u017Een\u00FDch tunel\u016F (technologie NRTM) bylo zapot\u0159eb\u00ED t\u0159eba prov\u00E9st n\u00E1vrh ost\u011Bn\u00ED v souladu s n\u00E1vrhem tunelovac\u00EDho stroje, aby jednotliv\u00E9 segmenty byly vyu\u017Eity co nejefektivn\u011Bji (p\u0159i dodr\u017Een\u00ED po\u017Eadovan\u00FDch podm\u00EDnek spolehlivosti), aby cena v\u00FDstavby z\u016Fstala v p\u0159ijateln\u00FDch mez\u00EDch. S ohledem na zna\u010Dnou n\u00E1ro\u010Dnost n\u00E1vrhu jednotliv\u00FDch segment\u016F ost\u011Bn\u00ED, kter\u00E9 jsou vyr\u00E1b\u011Bny ve velk\u00E9m mno\u017Estv\u00ED, byla pat\u0159i\u010Dn\u00E1 pozornost v\u011Bnov\u00E1na podrobn\u00E9 statick\u00E9 anal\u00FDze dopln\u011Bn\u00E9 \u0159adou experiment\u016F. Zat\u011B\u017Eovac\u00ED zkou\u0161ky byly prov\u00E1d\u011Bny na mal\u00FDch vzorc\u00EDch (krychle a tr\u00E1mce), tak na prvc\u00EDch skute\u010Dn\u00E9 velikosti, zkou\u0161ky byly dopln\u011Bny neline\u00E1rn\u00EDmi v\u00FDpo\u010Dty metodou kone\u010Dn\u00FDch prvk\u016F. D\u00E1le je t\u0159eba zm\u00EDnit v\u00FDvoj ost\u011Bn\u00ED vyroben\u00E9ho z betonu s rozpt\u00FDlenou v\u00FDztu\u017E\u00ED, jeho\u017E vhodnost pro budouc\u00ED vyu\u017Eit\u00ED byla \u00FAsp\u011B\u0161n\u011B ov\u011B\u0159ena v\u00FDstavbou zku\u0161ebn\u00EDho \u00FAseku." . "6" . . "RIV/68407700:21110/12:00201567!RIV13-GA0-21110___" . . "9"^^ . . . . . . "1"^^ . "[CDDB75DA001E]" . "\u0160ebesta, B." . . "1213-3116" . "164166" . "RIV/68407700:21110/12:00201567" . . . . "Pukl, R." . . "Ra\u017Eba tra\u0165ov\u00FDch tunel\u016F metra prob\u00EDh\u00E1 poprv\u00E9 v \u010Cesk\u00E9 republice s vyu\u017Eit\u00EDm modern\u00EDch plnoprofilov\u00FDch tunelovac\u00EDch stroj\u016F (technologie TBM). V souvislosti s ra\u017Ebou byla \u0159e\u0161ena \u0159ada souvisej\u00EDc\u00EDch technologi\u00ED - nap\u0159. doprava rubaniny, z\u00E1sobov\u00E1n\u00ED stroje segmenty ost\u011Bn\u00ED, materi\u00E1l v\u00FDpl\u0148ov\u00E9 injekt\u00E1\u017Ee za rubem ost\u011Bn\u00ED, postup mont\u00E1\u017Ee a demont\u00E1\u017Ee stroje ve st\u00EDsn\u011Bn\u00FDch podzemn\u00EDch prostorech, p\u0159esuny stroje p\u0159edra\u017Een\u00FDmi stanicemi atd. Stavebn\u00ED postupy si vy\u017E\u00E1daly ur\u010Dit\u00E9 zm\u011Bny projektu oproti p\u016Fvodn\u00EDmu zad\u00E1n\u00ED, \u010D\u00EDm\u017E se stavebn\u00ED pr\u00E1ce zjednodu\u0161ily, byla umo\u017En\u011Bna vy\u0161\u0161\u00ED rychlost v\u00FDstavby, nav\u00EDc je stavba \u0161etrn\u011Bj\u0161\u00ED k \u017Eivotn\u00EDmu prost\u0159ed\u00ED. Zvl\u00E1\u0161tn\u00ED pozornost je v\u011Bnov\u00E1na modern\u00EDmu prefabrikovan\u00E9mu segmentov\u00E9mu ost\u011Bn\u00ED, kter\u00E9 je charakteristick\u00E9 mimo\u0159\u00E1dnou p\u0159esnost\u00ED v\u00FDroby segment\u016F i jejich mont\u00E1\u017Ee. Na rozd\u00EDl od konven\u010Dn\u011B ra\u017Een\u00FDch tunel\u016F (technologie NRTM) bylo zapot\u0159eb\u00ED t\u0159eba prov\u00E9st n\u00E1vrh ost\u011Bn\u00ED v souladu s n\u00E1vrhem tunelovac\u00EDho stroje, aby jednotliv\u00E9 segmenty byly vyu\u017Eity co nejefektivn\u011Bji (p\u0159i dodr\u017Een\u00ED po\u017Eadovan\u00FDch podm\u00EDnek spolehlivosti), aby cena v\u00FDstavby z\u016Fstala v p\u0159ijateln\u00FDch mez\u00EDch. S ohledem na zna\u010Dnou n\u00E1ro\u010Dnost n\u00E1vrhu jednotliv\u00FDch segment\u016F ost\u011Bn\u00ED, kter\u00E9 jsou vyr\u00E1b\u011Bny ve velk\u00E9m mno\u017Estv\u00ED, byla pat\u0159i\u010Dn\u00E1 pozornost v\u011Bnov\u00E1na podrobn\u00E9 statick\u00E9 anal\u00FDze dopln\u011Bn\u00E9 \u0159adou experiment\u016F. Zat\u011B\u017Eovac\u00ED zkou\u0161ky byly prov\u00E1d\u011Bny na mal\u00FDch vzorc\u00EDch (krychle a tr\u00E1mce), tak na prvc\u00EDch skute\u010Dn\u00E9 velikosti, zkou\u0161ky byly dopln\u011Bny neline\u00E1rn\u00EDmi v\u00FDpo\u010Dty metodou kone\u010Dn\u00FDch prvk\u016F. D\u00E1le je t\u0159eba zm\u00EDnit v\u00FDvoj ost\u011Bn\u00ED vyroben\u00E9ho z betonu s rozpt\u00FDlenou v\u00FDztu\u017E\u00ED, jeho\u017E vhodnost pro budouc\u00ED vyu\u017Eit\u00ED byla \u00FAsp\u011B\u0161n\u011B ov\u011B\u0159ena v\u00FDstavbou zku\u0161ebn\u00EDho \u00FAseku."@cs . "Excavation of new running tunnel for Prague metro is realised using modern tunnelling machines (technology TBM - Tunnel Boring Machine). Various related technologies had to be solved together with the excavation process such as transport of muck, supply of tunnel segments to the machine, grouting material, assembly and disassembly of the tunnelling machines in confined underground space, shifting of machines through the stations constructed in advance, etc. The construction techniques required some changes of the original project, which brought simplification of the construction process. Changes also allowed faster excavation progress, construction also becomed more friendly to the environment. Special attention is devoted to the modern precast segmental lining, which is characterized by extreme precision of segment production and installation. The lining design had to be coordinated with the design of machines, which is different in comparison to the conventional tunnelling (NATM technology). The individual segments should be utilized effectively (fulfilling all required reliability conditions) to keep construction cost within acceptable limits. Special attention was paid to the detailed structural analysis of segmental tunnel lining supplemented by a number of experiments. The reason was a significant demand on the segmental lining design caused by high number of produced segments. Both small smales (beams and cubes) and full size segments were tested in laboratory. realised experiments were accompanied by nonlinear calculations using the finite element method. We have also to mention the development of the segments generated from the steel fibre reinforced concrete (SFRC), their convenience for future utilization was successfully verified by construction of the test section in the realised tunnel."@en . "4"^^ . "Ra\u017Eba tra\u0165ov\u00FDch tunel\u016F pra\u017Esk\u00E9ho metra technologi\u00ED TBM" . . "V\u00EDtek, P." . "TBM; tunnel; segmental lining; SFRC; fibre reinforced concrete"@en .