Definition - What does Trenchless Construction mean?
Trenchless construction is a type of subsurface construction work that requires few trenches or no continuous trenches. It can be defined as "a family of methods, materials, and equipment capable of being used for the installation of new or replacement or rehabilitation of existing underground infrastructure with minimal disruption to surface traffic, business, and other activities." The purpose of these techniques is to minimize disruption to businesses, roads and communities while construction work is in progress and to eliminate the costs associated with excavating and backfilling. Trenchless construction is a rapidly evolving set of techniques, which are continuously improving in efficiency and effectiveness.
Trenchlesspedia explains Trenchless Construction
The most common technique of trenchless construction involves the use of a directional drilling machine which cuts a horizontal path through the earth in which a pipe is laid. Other techniques used include: horizontal auger boring, microtunneling, pipe ramming, pipe jacking and utility tunneling. Benefits of trenchless construction also include improved safety due to the absence of steep excavations and improved environmental impacts due to the minimal disruption of soil and organisms compared to digging trenches.