Universal Pipe Line Constructors, Inc., of Kansas City, Mo, drove 800-ft of 8-in. pipe beneath 42-track rail yard in Savanna, Ill; pilot point was length of heavy-wall 8-in. with 3/4-in. thick plate over end; 5-ft from end was collar which enlarged hole; slurry of bentonite was forced into hole around pipe to support it and prevent caving; slurry also lubricated pipe.
800-foot crossing driven under 42 railroad tracks
Pipe Line Industry
Pipe Line Industry ; 17 , n 2
1962
Article (Journal)
English
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