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Filetype PDF
File size 1.41 MB
Source: old.amu.ac.in
File: Construction Methods Pdf 88897 | 99991103
Types of Tunnels & Construction Methods (a) Mountain Tunnel -- Drilling and blasting (D&B) method: NATM (New Austrian Tunneling Method) is the most common method. It originates ...
Filetype PDF | Posted on 15 Sep 2022 | 2 years ago