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UESI Pipelines 2020 Conference

A Virtual Experience | –

Workshops

*Note: Attendees must be registered for the Conference (full or daily) in order to be able to register for the pre-conference workshops.

Monday, August 10

11:00 am – 2:00 pm

Seismic Design of Buried Water & Wastewater Pipelines

Lead: Sri Rajah, PhD, P.E., G.E., S.E., P. Eng., F. ASCE – Principal Engineer, CDM Smith;

Speakers: Craig Davis, Ph.D., P.E., G.E. – Water System Resilience Program Manager and Seismic Manager, Los Angeles Department of Water & Power;  Brad P. Wham, Ph.D. – Research Assistant Professor, University of Colorado Boulder

ASCE is developing a new manual of practice (MOP) on the subject of seismic design of buried water/wastewater pipelines, with an eventual objective of developing a design standard for the seismic design of buried pipelines. Proposed draft of the MOP is scheduled to be complete prior to the Pipelines 2020 conference. In this workshop, members of the task committee will present the organization and key technical components of the new MOP to keep the engineering community informed of the upcoming practice improvements and provide opportunities for the workshop attendees to offer feedback and participate in the ensuing technical discussions.

Objective:

To present a review of the organization and key contents of the upcoming new MOP on seismic design of buried water & wastewater pipelines.

Rate: $45

3 PDHs

Monday, August 10

3:00 pm – 6:00 pm

Thrust Restraint Design of Buried Pipelines

Lead: Stephen Shumaker, P.E., M.ASCE, BCEE – Senior Civil Engineer, CDM Smith

Moderator: Sri Rajah, PhD, P.E., G.E., S.E., P. Eng., F. ASCE – Principal Engineer, CDM Smith

Speakers: Henry Bardakjian P.E., M. ASCE – Consulting Engineer; Keith Bushdiecker P.E. – Sr. Water/Wastewater Engineer, HDR; William Whidden, P.E., M.ASCE – Project Manager/Senior Engineer, Woolpert

This workshop presents the upcoming ASCE’s Manual of Practice on Thrust Restraint Design of Buried Pipelines. This MOP presents a unified approach to thrust restraint design for all pipe materials, developed based on pipe-soil interaction principles to improve current practice. Speakers from the task committee will present an overview of the MOP, including: thrust restraint fundamentals, historical development of thrust restraint design practices, geo-technical parameters and soil-pipe interaction, an improved approach to thrust block design, analytical models for continuous and segmented pipelines; simplified approach for restrained joint pipelines. Special considerations required for common thrust restraint design and construction issues will be presented.

Objectives:

  • Present the manual of practice for thrust restraint design of buried pipelines
  • Provide an introduction to the fundamentals of thrust restraint design
  • Present a summary of historical development leading to current thrust restraint design practice
  • Discuss geo-technical parameters and soil-pipe interaction, including: Contribution of frictional resistance; Soil parameters for assessing axial behavior of restrained pipelines; Contribution of Passive Earth Pressure Resistance; Soil parameters for assessing transverse behavior of restrained pipelines
  • Present an improved approach for the design of thrust blocks in buried pipelines.
  • Discuss material-specific considerations for thrust restraint design for steel, concrete, ductile iron, PVC, polyethylene, and fiberglass pipe materials
  • Present detailed analytical models for bends in continuous and segmented buried pipelines
  • Present a simplified unified empirical approach to restrained joint design for bends in buried pipelines
  • Discuss the extension of the design approach from bends to other sources of thrust, such as tees, valves, reducers, dead ends, and multiple fittings
  • Discuss special design considerations for common thrust restraint design and construction pitfalls.
  • Present practical thrust restraint design examples. (Participants are encouraged to bring their own calculators to fully participate in these design exercises)

Rate: $45

3 PDHs

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