Feature Article
Jul 30, 2022
Tunneling in Tight Quarters
Abstract
The tunneling industry has many techniques for creating space underground, which vary from excavation with conventional construction equipment, to drill and blast techniques, to highly specialized tunnel boring machines. The most traditional form of tunneling, which was first used thousands of years ago to create ancient Roman and Persian aqueducts, has evolved into what is now known as the Sequential Excavation Method, or SEM tunneling. SEM tunneling is an observational method that involves evaluating the type and behavior of the ground during excavation and determining the best combination of ground support components.
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Information
Published In
GeoStrata Magazine Archive
Volume 26 • Issue 1 • February 2022
Pages: 48 - 55
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© 2022 American Society of Civil Engineers.
History
Published in print: Feb 1, 2022
Published online: Jul 30, 2022
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Jakob R. Walter, A.M.ASCE
P.E.
Senior Staff Engineer, McMillen Jacobs Associates; San Francisco, CA
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.