Introduction to Buried Utility Pipeline Engineering (Part 2: Basic Design and Stress Analysis​ )

  • Author: Technical Toolboxes
  • Level: Beginner
  • Study time: 1 hour
This utility-focused, self-paced course builds on the fundamentals introduced in Part 1 and dives deeper into the design considerations and stress analysis required for buried utility pipelines. Part 2 focuses on how hydraulic performance, structural behavior, and soil conditions interact to influence pipeline safety and reliability across municipal and utility systems.

Learners explore the differences between rigid and flexible pipe design, including how each responds to internal pressure, soil loads, surface loads, and installation conditions. The course introduces essential hydraulic principles such as flow capacity, head loss, and transient pressures, along with structural concepts like hoop stress, vertical earth loads, and soil-structure interaction.

Designed for utility engineers and technical professionals, Part 2 emphasizes practical design inputs, common failure modes, and the calculations engineers rely on to evaluate buried pipelines. This course prepares learners for more advanced feasibility analysis and trenchless crossing considerations covered in Part 3.
  • Video time: 1 hour
  • Exams: 1

David Willoughby

Content SME for Horizontal Directional Drilling
ABOUT David
Mr. Willoughby has 40 years of experience in engineering, pipeline design, corrosion control, and management in the petroleum and utilities pipeline industry. His experience includes gas transmission and distribution systems, petroleum facilities, and water/sewer pipelines from conception through design, construction and testing, economic evaluation, and project field supervision.
Mr. Willoughby has been responsible for the design, permitting, inspection, and construction administration of numerous horizontal directional drills (HDD) on pipeline projects.
He is the author of several articles and two books published by McGraw-Hill, The Plastic Piping Handbook (2002) and Horizontal Directional Drilling (2005).
Mr. Willoughby provides HDD training to the pipeline and utility industries. He has presented at the engineering workshop at N.C. Utilities Commission Office of the Pipeline Safety Conference and the Southern Gas Association Annual Conference.
Mr. Willoughby’s HDD training is used to provide Professional Development Hours (PDU) for professional engineers in many states, including Texas.