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New Austria Tunnelling Method (NATM)

Zahraa Noori Rashied
Department of Geotechnical Engineering, Faculty of Engineering, Koya University

Abstract:  This method is used for long tunnels especially to great depth, where the wall of excavation may yield to the weight of the cover. It consists of excavation of the whole section for a short length followed by lining with sidewalls and finish with an arch and finally, the invert is made.

Keywords: Tunnels+ NATM+ Excavation+ Lining

Date: 14/05/2017
Place: Faculty of Engineering/ Nashmeil Hall
Caroline Yousif Daniel,
May 26, 2017, 11:39 AM