Construction Methods in Tunneling under a Railroad

by Marcello H. Soto, (F.ASCE), Asst. Vice Pres., Chf. of Structures; Gannett Fleming Corddry and Carpenter, Inc., Harrisburg, Pa.,

Serial Information: Journal of the Construction Division, 1977, Vol. 103, Issue 3, Pg. 317-327

Document Type: Journal Paper


The alignment of a new transit facility under a busy railroad made it advisable to design and specify certain construction methods. These methods were specified to insure safety, cost identification, and compatibility of future construction. Stabilizing of existing abutments, tying of retaining walls to resist lateral forces, underpinning, and tunneling procedures are described.

Subject Headings: Construction methods | Tunneling | Rail transportation | Alignment | Building design | Occupational safety | Construction costs | Existing buildings

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