Design of Buried Pipelines

Webinaire / les 27 et 28 juillet 2023 /
Code : 14-0702-ONL23

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Veuillez noter :
This course is held online over 2 days on the following schedule (All times in Eastern Time Zone):

9:30 am to 5:30 pm Eastern (Will include the usual breaks)

Ontario Water Wastewater Certification Office
This course has met the requirements under O. Reg. 128/04 as Director Approved Continuing Education.

After participating in the course, you will be able to:

  • Learn the latest knowledge and science in pipeline engineering
  • Address challenges in the pipeline industry
  • Determine precise loads on buried pipelines
  • Learn about the design of Buried Gravity Flow Pipes and Pressure Pipelines

Subsurface infrastructure are absolute necessities of nowadays modern societies. One of the complex and extensive components of this subsurface infrastructure is piping systems used for diverse applications including sewer lines, drainage lines, subway tunnels, water mains, gas lines, culverts, and utility conduits. However, these buried lifelines are often forgotten unless they deteriorate and fail, resulting in costly service disruption, repairs, multiple ripping of roads, and time-consuming litigation.

Proper engineering knowledge is the key for solving this problem.

Course Outline:

  • Introduction
  • External Loads on Buried Pipes
  • Design of Pipes
  • Generic Rigid, Ductile, and Flexible Pipes
  • Selecting a Pipe
  • Examples of determining loads on pipes
  • Pipe Installation
  • Questions & Answers & Feedback to Participants on Achievement of Learning Outcomes

Who Should Attend:
Construction Managers • Utility Engineers • Owners • Geotechnical & Civil Engineers • Contractors • City Managers • Pipeline Engineers • Designers • Consulting Engineers • Fabricators & Manufacturers of Pipeline Systems

Special Features & Requirements
This course includes a wide range of examples for analysis and design of buried pipelines. Several instructive short videos are also used to show the manufacturing, installation and application of buried pipelines.

Veuillez noter :
This course is held online over 2 days on the following schedule (All times in Eastern Time Zone):

9:30 am to 5:30 pm Eastern (Will include the usual breaks)

Horaire : 9:30 AM - 5:30 PM EDT

Exigences techniques

Pour les utilisateurs de PC
OS: Windows 7, 8, 10 ou plus récent

Navigateur :
IE 11 ou plus récent, Edge 12 ou plus récent, Firefox 27 ou plus récent, Chrome 30 ou plus récent

Pour les utilisateurs de Macintosh
OS: MacOS 10.7 ou plus récent

Navigateur :
Safari 7+, Firefox 27+, Chrome 30+

OS: iOS 8 ou plus récent

OS: Android 4.0 ou supérieur

voir le programme complet


Veuillez noter :
This course is held online over 2 days on the following schedule (All times in Eastern Time Zone):

9:30 am to 5:30 pm Eastern (Will include the usual breaks)

Day I


  • Application of buried pipes
  • Common pipe materials and characteristics

Loads on Buried Pipelines

  • Loads on buried rigid pipes
  • Loads on tunneled or jacked pipes
  • Loads on flexible pipes
  • Effect of pipe axial bending
  • Live wheel loads
  • Highways and railway loads
  • Airport loads
  • Minimum soil cover
  • Pipe flotation
  • Longitudinal fractures
  • Broken bells
  • Effect of soil subsidence
  • Effect of temperature rise
  • Effect of seismic loads
  • Frost loads
  • Soil bearing

Design of Buried Gravity Flow Pipes

  • Soil Type and Classifications
  • Pipe Installation and Embedment
  • Trench Width considerations
  • Effect of Heavy Equipment
  • Design of rigid pipes
  • Design of flexible pipes
  • Creep and stress relaxation behavior
  • Watkins’s Soil-Strain Theory
  • Design criteria
  • Factor of safety
  • Profile-wall pipe
  • Parallel pipes
  • Parallel pipe and trench
  • Sloped Trench Wall
  • Pipe-soil interaction
  • Finite element analysis of buried pipes

Day II

Design of Pressure Pipelines

  • Difference with gravity flow pipes
  • Lame’s solution for internal pressure
  • Surge pressure
  • External loads
  • Combined loading
  • Poisson’s effect
  • Thermal load
  • Stress riser
  • Design bases for rigid pipes
  • Design bases for flexible pipes
  • Design bases for ductile iron pipes
  • Design bases for steel pipes
  • Design bases for fiber-reinforced plastic pipes
  • Pipe thrust and thrust restraint

Pipe Installation Techniques

  • Soil types
  • Trenching
  • Thrust block
  • Trench size
  • Backfilling
  • Parallel trenches
  • Trenchless Technology
  • Microtunneling

Questions and Answers and Feedback to Participants on Achievement of Learning Outcomes


Abouzar Sadrekarimi, Ph.D., P.Eng.

Abouzar Sadrekarimi, Ph.D., P. Eng.

Dr. Sadrekarimi is an Associate Professor of Civil Engineering at Western University (London, Ontario). Dr. Sadrekarimi’s academic and professional expertise involve soil mechanics, foundation engineering, deep foundations, dam, advanced soil testing and characterization of soil behavior, in-situ testing, soil dynamics and geotechnical earthquake engineering, static and dynamic analysis of retaining walls, buried structures, and slope stability analysis. He joined Western after several years of engineering practical experience at Golder Associates Ltd. Dr. Sadrekarimi has over 50 published papers in peer-reviewed conference proceedings and journals. Dr. Sadrekarimi is a member of the International Society of Soil Mechanics and Foundation Engineering (ISSMFE), American Society of Civil Engineers (ASCE), Canadian Geotechnical Society, research director of Western’s Geotechnical Research Centre (GRC), and an associate editor of the Canadian Geotechnical Journal.


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