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Projects / Programmes source: ARIS

Improvment of microfibre shotcrete lining in tunels built in rocks of low capacity

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Research activity

Code Science Field Subfield
2.16.03  Engineering sciences and technologies  Mining and geotechnology  Geotechnology 

Code Science Field
T220  Technological sciences  Civil engineering, hydraulic engineering, offshore technology, soil mechanics 
Keywords
geotechnics, primary tunnel lining, microfibre concrete, constitutive modelling, tectonically reworked rocks
Evaluation (rules)
source: COBISS
Evaluation of bibliographic research performance indicators according to ARIS methodology
Citations Citations for bibliographic records in COBIB.SI that are linked to records in citation databases
source: WoS source: Scopus source: COBISS
Researchers (10)
no. Code Name and surname Research area Role Period No. of publications
1.  21151  Rok Ercegovič  Civil engineering  Researcher  2003 - 2005  46 
2.  19292  Melanija Huis  Civil engineering  Researcher  2003 - 2005  263 
3.  21680  PhD Vojkan Jovičić  Civil engineering  Head  2003 - 2005  717 
4.  21094  MSc Albin Križnič  Geology  Researcher  2003 - 2005  768 
5.  09644  PhD Jakob Likar  Mining and geotechnology  Researcher  2003 - 2004  1,884 
6.  09168  PhD Jakob Šušteršič  Civil engineering  Researcher  2003 - 2005  308 
7.  18803  PhD Vladimir Vukadin  Civil engineering  Researcher  2003 - 2005  784 
8.  01577  PhD Andrej Zajc  Civil engineering  Researcher  2003 - 2005  298 
9.  09809  Franc Žigman  Mining and geotechnology  Researcher  2003 - 2005  1,055 
10.  21729  Urška Žigman  Civil engineering  Researcher  2003 - 2005  335 
Organisations (2)
no. Code Research organisation City Registration number No. of publications
1.  0210  Institute for Mining, Geotechnology and the Environment  Ljubljana  5051576000  4,554 
2.  1013  Institute for Research in Materials and Aplications  Trzin  5672872  338 
Abstract
The use of microfibre shotcrete eliminates the need to use steel reinforcement in construction of primary support in tunnels and so potentially brings huge savings. It is imperative to better define the means and conditions of the production of microfibre shotcrete and to resolve favourable geological conditions for its application, especially so in tectonically reworked rocks. The PRR activities involve the following: selection of the in situ research filed during the construction of the tunnel respecting different geological conditions, sampling and laboratory testing of rock mass to establish the governing stiffness-strength parameters, application of the testing microfibre shotcrete into primary lining, sampling and laboratory testing of microfibre shotcrete to establish its tension capacity and, finally, in-situ measurements of the behaviour of the primary lining. In parallel with these activities the financial efficiency of the use of microfibre shotcrete will be compared with common methods.
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