Geological assessment for tunnel excavation under river with shallow overburden using surface site investigation data and electrical resistivity tomography

•Advance geological prediction of tunnel cross under river with shallow overburden.•Filtered tunnel model for rock quality, weathering and permeability are developed.•Result indicated high potential of water ingression as tunnel cross under river.•Electrical resistivity tomography proved high water-...

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Veröffentlicht in:	Measurement : journal of the International Measurement Confederation 2019-10, Vol.144, p.260-274
Hauptverfasser:	Ismail, Mohd Ashraf Mohamad, Majid, Taksiah A., Goh, Chin Ong, Lim, Siao Phin, Tan, Chee Ghuan
Format:	Artikel
Sprache:	eng
Schlagworte:	Bedrock Boolean algebra Electrical resistivity Excavation Filtered tunnel model Geological assessment Geology Lugeon value NATM tunnel New Austrian Tunnelling Method Overburden Permeability Quality Rock mass weathering grade Rock masses Rock quality designation Rocks Three dimensional models Tomography Tunneling Tunnels Underground construction
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