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Equipment tagged with [tunnels]

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NATM Pressure Cell
<p>NPC-3000 Series NATM Pressure cells are designed to monitor radial and tangential stresses of shotcrete in the construction of tunnels, particularly those using the New Austrian Tunnel Method and other underground works. The cells are constructed from two ...
Single Point, Rod, Mechanical-Model 1050 (A-1)
<p>The Model A-1 Single Position Rod Extensometer is a very simple, rugged and reliable instrument, easily installed and completely recessed within the borehole for optimum protection. The Model A-1 is a natural first choice for monitoring the safety in and ...