Chapter
Jul 11, 2018
Pipelines 2018
Innovative Steel Casing Pipe Installation Using Mechanical Interlocking Joints
Authors: Brent Keil, M.ASCE [email protected], Robert Card, M.ASCE [email protected], and Trevor Gonterman [email protected]Author Affiliations
Publication: Pipelines 2018: Planning and Design
ABSTRACT
Trenchless construction techniques eliminate the need to open-cut roadways, railroads, canals, city street intersections, and other locations where trenches for pipe and casing installations are inconvenient or can impact the general public’s safety. Large diameter (24 inch and greater casing) trenchless techniques include microtunneling, pipe jacking, auger boring, and pipe ramming. Steel casing is often the product of choice for these techniques due to its strength, toughness, flexibility, resistance to high jacking forces, and butt-welded joints. Mechanical interlocking joints have steadily gained acceptance and use as a substitute for butt welded joints on steel casing pipe. The interlocking joints eliminate the need for time-intensive field butt welding and the associated higher cost. Fully machined interlocking connectors manufactured per ASTM A1097 are preinstalled in the factory and when joined in the field, are flush with the outside diameter of the pipe providing no additional drag or increased jacking force requirements. This paper will discuss the use and installation of mechanical interlocking field joints for casing installations with case histories. The paper will assist engineers and owners with casing design and specification considerations, and discuss the efficiencies gained with the various styles of innovative mechanical interlocking joints.
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REFERENCES
ASTM A1097 (2016). Standard Specification for Steel Casing Pipe, Electric-Fusion (Arc)-Welded (Outside Diameter of 10 in. and Larger), ASTM International, Conshohocken, PA
Information & Authors
Information
Published In
Pipelines 2018: Planning and Design
Pages: 128 - 137
Editors: Christopher C. Macey, AECOM and Jason S. Lueke, Ph.D., Associated Engineering
ISBN (Online): 978-0-7844-8164-6
Copyright
© 2018 American Society of Civil Engineers.
History
Published online: Jul 11, 2018
Published in print: Jul 12, 2018
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Authors
Affiliations
P.E.
Corporate Chief Engineer, Northwest Pipe Company, 5721 SE Columbia Way, Suite 200, Vancouver, WA 98661. E-mail: [email protected]
P.E.
Chief Pipe Engineer, Lockwood, Andrews & Newnam, Inc., 2925 Briarpark Dr., Suite 400, Houston, TX 77042. E-mail: [email protected]
Product Manager, Permalok, 472 Paul Ave., Saint Louis, MO 63135. E-mail: [email protected]
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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.