Shaft Considerations

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Standard Design and Construction Guidelines for Microtunneling Committee

Abstract: Jacking and receiving shaft locations should be selected to minimize the number of shafts and disruptions while not exceeding the practical limits of the drive lengths achievable for a given set of site conditions and constraints. Maximum drive length is a function of the microtunneling equipment used, the diameter of the pipeline, the jacking strength of the selected pipe, the ground conditions, lubrication, and maintenance requirements. Project risk increases when longer drives are used and shaft locations must be considered.

Subject Headings: Shafts | Jacking | Site investigation | Microtunneling | Equipment and machinery | Pipe sizes | Pipelines | Maintenance |


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