Trenchless Shoring

Published: October 20, 2017 | Last updated: July 5, 2023

What Does Trenchless Shoring Mean?

Trenchless shoring can be defined as a temporary structure made for the purpose of retaining soil in an excavated pit where men and machinery are to be employed for the purpose of pipeline installation. Trenchless construction techniques such as directional drilling, pipe jacking, pipe ramming, etc. require the excavation of a launching and a retrieval pit. These pits need to be supported to retain the soil at the walls of the excavated pit, and prevent collapse of the pit, especially in unstable soil conditions.


Trenchlesspedia Explains Trenchless Shoring

Shoring of pits used for trenchless installation of pipes is done to provide safe working conditions for men and machinery as per OSHA regulations. It is basically used where the depth of the excavation does not allow sloping back to the maximum allowable slope. Steel, timber and concrete shoring materials are used depending on the requirement at site. The shoring material is reusable and is removed once the installation of the pipeline is completed. The types of shoring used are hydraulic shoring, raking shore, beam and plate, soil nailing, continuous flight augering and pneumatic shoring.


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