Chapter
Sep 20, 2022
Electrical Transmission and Substation Structures 2022
Test Methods for Serviceability Assessment of Non-Traditional Steel Support Structures
Authors: Bryan Hyde [email protected], Ibrahim Shamia [email protected], Michael Dolan [email protected], and Yair Berenstein [email protected]Author Affiliations
Publication: Electrical Transmission and Substation Structures 2022: Innovating for Critical Global Infrastructure
ABSTRACT
On occasion, a transmission line might be terminated on, or supported by, the oddest of structures: to anchors in the face of cliff, to powerhouse walls or rooftop structures, or to a dam. When challenged to rebuild or reconductor existing transmission lines, it is often difficult for the designer to confidently assess the condition of atypical termination structures and determine their serviceability for the loads to which it may be subjected. This paper discusses some inspections and tests that were performed on 230kV termination structures anchored to a dam for a project in Montana. These activities included weld inspection, ultrasonic condition testing, bolt cluster pull-tests, and load development. Testing protocol is explained, and the results presented.
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references
ASTM Standard C805 (2018). “Standard Test Method for Rebound Number of Hardened Concrete”,ASTM International, West Conshohocken, PA, 2018.
ASTM Standard E3121 (2017). “Standard Test Methods for Field Testing of Anchors in Concrete or Masonry”, ASTM International, West Conshohocken, PA, 2017.
Wikipedia contributors. (2015, January 11). Snoqualmie Falls Power Plant No. 2. In Wikipedia, The Free Encyclopedia. Retrieved 08:20, March 7, 2022 from https://commons.wikimedia.org/wiki/File:Snoqualmie_Falls_Power_Plant_No._2_02.jpg
Information & Authors
Information
Published In
Electrical Transmission and Substation Structures 2022: Innovating for Critical Global Infrastructure
Pages: 291 - 301
Editor: Tim Cashman
ISBN (Online): 978-0-7844-8446-3
Copyright
© 2022 American Society of Civil Engineers.
History
Published online: Sep 20, 2022
Published in print: Sep 20, 2022
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Authors
Affiliations
P.E.
Senior Engineer, Transmission Line Design Dept., Avista Corporation. E-mail: [email protected]
Engineer, Transmission and Distribution Line Engineering, Commonwealth Associates, Inc. E-mail: [email protected]
P.E.
Project Manager, Transmission and Distribution Line Engineering, Commonwealth Associates, Inc. E-mail: [email protected]
Senior Engineer, Transmission and Distribution Line Engineering, Commonwealth Associates, Inc. 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.