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Standard Design and Construction Guidelines for Microtunneling Committee


Abstract: Microtunneling projects should be laid out with attention to the benefits and constraints unique to this construction process. The following recommendations address some of these concerns: Minimize the number of pipe diameters; Construct microtunneling drives in both directions from a jacking shaft, when possible; Optimize drive lengths consistent with pipe size, pipe material, type of MTBM system used, and geotechnical conditions; Evaluate different depths, pipe sizes, and gradients; Optimize alignment.

Subject Headings: Pipelines | Microtunneling | Construction management | Jacking | Shafts | Pipe materials | Alignment |

 

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