Analiza merjenih pomikov v predoru Golovec

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Language:	Slovenian
Year of publishing:	2005
Source:	Ljubljana
Typology:	2.11 - Undergraduate Thesis
Organization:	UL FGG - Faculty of Civil and Geodetic Engineering
Publisher:	[M. Šlibar]
UDC:	624.131:624.19(043.2)
COBISS:	2981217
Views:	1710
Downloads:	477
Average score:	0 (0 votes)
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Secondary language:	English
Secondary title:	Analysis of monitored displacements in Golovec tunnel
Secondary abstract:	Modern tunnel construction includes everyday monitoring of 3-D displacements of primary lining using sophisticated geodetic instruments. Therefore, a large number of data is collected, which has to be interpreted correctly. Only in such a way the monitoring results can be useful during tunnel excavation. Correctly analysed displacements enable the prediction of tunnel behaviour up to two tunnel diameters ahead of current face position. Designers use this information to adjust the support system in time, which makes the construction safer and more economic. The thesis is focused on the analysis of measured displacements during the excavation of the 3-lane Golovec tunnel. Measured displacements are then compared with the geological structure and tectonic features. Some of the characteristic displacement patterns were then linked to certain geological characteristics. The relatively large tunnel cross section within a soft Carboniferous rock formation led to very large displacements making the project interesting for such analysis. Also the description of technology of the Golovec tunnel construction is presented. Displacement monitoring of the tunnel lining is an integral part of the “New Austrian Tunneling Method”. This method was used for the construction of all tunnels on the Slovenian motorways and also of the Golovec tunnel, which forms a part of Slovenian motorway network.
Secondary keywords:	gradbeništvo;diplomska dela;VSŠ;numerical analysis;phases of excavation;deformation;
File type:	application/pdf
Type (COBISS):	Undergraduate thesis
Thesis comment:	Univ. Ljubljana, Fakulteta za gradbeništvo in geodezijo, Univerzitetni študij, prometna smer
Pages:	VIII, 120 str.
Type (ePrints):	thesis
Title (ePrints):	Analysis of monitored displacements in Golovec tunnel
Keywords (ePrints):	predor;portal;merjenje pomikov;kalota;talni obok;cevni ščit;karbonski skrilavci
Keywords (ePrints, secondary language):	tunnel;portal;displacement measurements;top heading;invert;pipe roof;Carboniferous clastic rock
Abstract (ePrints):	V moderni predorogradnji poteka vsakodnevno merjenje pomikov primarne predorske obloge s pomočjo modernih optičnih 3-D merilnikov. Na voljo je tako ogromna količina podatkov, ki pa jih je potrebno pravilno in v realnem času analizirati, kajti le v tem primeru so nam v pomoč pri gradnji predora. Dobljeni podatki omogočajo napoved pomikov za razdaljo do dveh premerov predorske cevi pred čelom kalote, kar pomaga gradbenikom pri sprotnem prilagajanju podporja glede na pričakovano obnašanje hribinske mase. Na ta način se poveča varnost in ekonomičnost gradnje. Moje diplomsko delo je osredotočeno na analizo pomikov v tripasovnem predoru Golovec in primerjavo le-teh z geološko zgradbo in tektonskimi značilnostmi ter iskanju korelacij med pomiki in geologijo. Relativno velik prečni prerez predora, ki je bil grajen v mehkih karbonskih skrilavcih, je vplival na velike premike, zaradi česar je projekt zelo zanimiv za tovrstno analizo. Opisal sem tudi tehnologijo gradnje predora Golovec, kajti merjenje pomikov obloge predorske cevi je integralni del »Nove avstrijske metode gradnje predorov (NATM)«, ki je bila izbrana kot glavna metoda pri gradnji podzemnih objektov na slovenskem avtocestnem križu, katerega del je tudi predor Golovec.
Abstract (ePrints, secondary language):	Modern tunnel construction includes everyday monitoring of 3-D displacements of primary lining using sophisticated geodetic instruments. Therefore, a large number of data is collected, which has to be interpreted correctly. Only in such a way the monitoring results can be useful during tunnel excavation. Correctly analysed displacements enable the prediction of tunnel behaviour up to two tunnel diameters ahead of current face position. Designers use this information to adjust the support system in time, which makes the construction safer and more economic. The thesis is focused on the analysis of measured displacements during the excavation of the 3-lane Golovec tunnel. Measured displacements are then compared with the geological structure and tectonic features. Some of the characteristic displacement patterns were then linked to certain geological characteristics. The relatively large tunnel cross section within a soft Carboniferous rock formation led to very large displacements making the project interesting for such analysis. Also the description of technology of the Golovec tunnel construction is presented. Displacement monitoring of the tunnel lining is an integral part of the “New Austrian Tunneling Method”. This method was used for the construction of all tunnels on the Slovenian motorways and also of the Golovec tunnel, which forms a part of Slovenian motorway network.
Keywords (ePrints, secondary language):	tunnel;portal;displacement measurements;top heading;invert;pipe roof;Carboniferous clastic rock
ID:	8309315