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2015, vol. 58, iss. 4, pp. 21-36
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Useful concepts for application of new Austrian tunnelling method in tunnel construction (NATM)
Korisni koncepti u primeni nove austrijske metode za gradnju tunela (NATM)
aIRGO - Institut za rudarstvo, geotehnologijo in okolje, Ljubljana, Slovenija
bJP Autoceste FBIH, Mostar, Bosna in Hercegovina
cPPG d.o.o, Sarajevo, Bosna in Hercegovina
dSAC T&C, Sarajevo, Bosna in Hercegovina
Abstract
The concepts that where developed in the longstanding practice in designing and constructing tunnels using New Austrian Tunnelling Method (NATM) are presented in the paper. The aim of the paper is to highlight the basic theoretical concepts and to expose the experience in the design and the application of NATM principles following the concrete examples. The procedures used in the application of these principles are also addressed in the paper, in which the active role of the designer and the contractual flexibility between the contractor and the client are seen as the key conditions for a successful work.
Sažetak
U članku su predstavljeni koncepti razvijeni u dugogodišnjoj praksi pri projektovanju i gradnji tunela primenom Nove austrijske metode (New Austrian Tunnelling Method - NATM). Cilj članka jeste da predoči osnovne teorijske koncepte ove metode i da iznese iskustva kako pri projektovanju tunela, tako i pri aplikaciji tih principa na konkretnim primerima. Prikazana su uputstva za primenu korisnih koncepta prilikom dimenzionisanja primarne podgrade, kao i metodologija ocene stepena upotrebljivosti NATM metode za date granične uslove. U članku su takođe obrađeni postupci primene NATM metode u uslovima izvođenja radova, pri čemu je kao osnova za uspešan rad ispostavljena aktivna uloga projektanta i fleksibilnost ugovornih odnosa između investitora i izvođača.
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