Trenchless construction

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 pit

Construction; Trenchless construction

An excavation in the earth of specified length and width for placing the machine on line and grade.

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 ...

jacking

Construction; Trenchless construction

The actual pushing of pipe or casing in an excavated hole. This is usually done with hydraulic cylinders (jacks), but has been done with mechanical jacks, air jacks, and just about anything else ...

intermediate jacking station (IJS)

Construction; Trenchless construction

A fabricated steel shield incorporating hydraulic jacks designed to operate between interjack pipes to provide additional thrust as necessary.

casing pusher

Construction; Trenchless construction

The front section of a boring machine that distributes the thrusting force of the hydraulic cylinders to the casing and forms the outside of the spoil ejector system.