Boring Machine

Published: April 6, 2017 | Last updated: July 5, 2023

What Does Boring Machine Mean?

Boring machines are mechanized tools that are used to drill holes in the ground without disturbing surface conditions. In trenchless technology, there are two types of boring – horizontal auger boring and horizontal directional drilling (HDD). These methods are used to make new installations below the surface like sewer pipes, water pipes, etc. Which method of boring is more appropriate is determined based on soil conditions, ground water level, contamination possibility, etc.

Trenchlesspedia Explains Boring Machine

A horizontal auger boring machine uses a jack and bore to accomplish the work in soft and stable soil conditions. A powerful jack is used to insert a casing pipe to stabilize the soil, while the auger removes the soil from the excavation by its spinning action. Once the casing is successfully installed, the pipe can be strung through. This method is preferred for installments under highways and railway lines, where settlement is a cause for concern.

HDD machines can be used in almost every kind of installation from cables to pipe installations, under buildings, roads, and even under a river bed. Depending on the size of the job, a drill rig is set up. Drill rods are strung to each other to make a drill string for pulling back reamers. A wireline transmitter is used for transmitting the position of the drill in progress, so that adjustments can be made by the operator in case obstructions are encountered.

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