Pilot Tube Guided Boring Install Temporary Casing and Augers for Spoil Removal - Step 2 - Akkerman

Описание: Guided Boring Machine (GBM) equipment is used with pipe with outside diameters from 4 to 48 inches. The Guided Boring Method is a trenchless installation method for small diameter pipes with the grade and alignment precision the gravity sewer and water industry demand. The pipe installation involves a three-step process starting with launch and reception shafts strategically located to minimize surface disruption.

For gravity sewer installation, where line and grade accuracy are paramount, the Akkerman Guided Boring Machine provides the precision needed for consistent success.

STEP 2: ADVANCING AUGERS ALONG PILOT TUBE PATH

After the installation of the pilot tubes, the second step is to follow the pilot tube with a reaming head and or a bearing swivel joint to match the diameter of the product pipe. The GBM installs pipe from 4 inch to 48 inch OD.

Different types of tooling are available to work in various ground conditions.

The reaming head and auger casings are attached to the pilot tubes and the jacking
frame advances the reaming head and casings into the ground.

With the addition of each section of auger and casings in the launch shaft, a section of pilot tube is removed from the reception shaft. The process continues until the auger and casings reach the reception shaft at which point all the pilot tube sections have been removed.

If a Powered Cutter Head (PCH) or Powered Reaming Head (PRH) is used, it is placed behind the casings and augers and before the final product pipe. The auger spoil flow is reversed toward the reception shaft for removal.

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Akkerman, Inc.
[email protected]
tf: +1.800.533.0386 // 507.567.2261
58256 266th Street, Brownsdale, MN 55918 | USA
http://www.akkerman.com

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