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

Add a new term

Contributors in Trenchless construction

Become a Contributors

Trenchless construction

Guided auger boring

Construction; Trenchless construction

A term applied to Auger Boring systems which are similar to Microtunneling, but with the guidance mechanism actuator sited in the Drive Shaft (e.g., a hydraulic wrench which turns a steel casing with ...

Tunnel boring machine (TBM)

Construction; Trenchless construction

1) A full-face circular mechanised shield machine, usually of Personnel-Entry diameter, steerable and with a rotary cutting head. For pipe installation it leads a string of jacked pipes. It may be ...

Duct

Construction; Trenchless construction

In many instances, a term interchangeable with pipe. In the boring industry, it is usually used for small plastic or steel pipes that enclose wires or cables for electrical or communication usage.

Split design

Construction; Trenchless construction

A boring machine having the capability of being broken down into two or more sections to reduce the lifting weight.

Mixed face

Construction; Trenchless construction

A soil condition that presents two or more different types of material in the path of the bore.

Receiving pit

Construction; Trenchless construction

1. See Exit Pit. 2. An opening in the earth located at the expected exit of the cutting head or casing. 3. (Come out hole, come out pit) The pit that is dug at the end of the bore, opposite ...