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Trenchless construction
Underground construction that involves little or no surface trenches so it has minimal disruption to traffic, business, and other activities. Trenchless technology is a fast growing sector of construction and civil engineering that covers such methods as boring, drilling, tunneling, and pipe ramming.
Industry: Construction
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Trenchless construction
Boring
Construction; Trenchless construction
The dislodging or displacement of spoil by a rotating auger or drill string to produce a hole called a bore.
Steering head
Construction; Trenchless construction
A moveable lead section of casing that can be adjusted to steer the bore.
Guidance system
Construction; Trenchless construction
The guidance system continuously confirms the position of the MBTM.
Mini-horizontal directional drilling (Mini-HDD)
Construction; Trenchless construction
Steerable surface-launched drilling equipment for the installation of pipes, conduits, and cables. Applied to small sized drilling rigs. Tracking of the Drill String may be achieved by a walk-over ...
Impact machines
Construction; Trenchless construction
A type of machine that pierces the earth (piercing tool) or rams an object to produce a bore (ramming machine).
Microtunnel boring machine (MTBM)
Construction; Trenchless construction
The microtunnel boring machine (MBTM) refers to the microtunnel shield jacked through the earth which excavates the ground while simultaneously installing pipe, as spoil is excavated and removed. ...
Reverse
Construction; Trenchless construction
The counter-clockwise rotation of the auger as viewed from the machine end.