Pipe Laying Comes Out of the Trenches

by Tom D. O'Rourke, (M.ASCE), Assoc. Prof.; 265 Hollister Hall, Cornell Univ., Ithaca, NY 14853,
E. W. Flaxman, Partner; Binnie & Partners, London, UK,
Ian Cooper, Deputy Dir.; Water Research Centre, Swindon, UK,


Serial Information: Civil Engineering—ASCE, 1985, Vol. 55, Issue 12, Pg. 48-51


Document Type: Feature article

Abstract:

Recent developments have shown that trenchless construction offers an effective and economically attractive alternative to conventional excavation. These findings are especially important for congested city areas, where open cuts will disturb adjacent facilities, traffic, and local business. In this paper various trenchless techniques are discussed with respect to pipeline diameter, construction length, suitable ground conditions, and steering accuracy. Remotely controlled microtunneling and on-line replacement are discussed in detail. Information is presented on excavation disturbance, comparative costs, and international applications and support of trenchless methods.

Subject Headings: Trenchless technology | Traffic congestion | Excavation | Trenches | Pipes | Pipe sizes | Microtunneling

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