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Design of Restrained Joints for Pressure Pipes

July 05, 2017
12:00 PM - 1:00 PM
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American Structurepoint
2550 Corporate Exchange Dr, Ste. 3000
Columbus, OH 43231

  • Offered for free to Central Ohio Section ASCE Members
  • Seating is limited to the first 20 people
  • Bring your own lunch

Purpose and Background

When water under pressure is forced to change directions, such as at a bend, large forces exist that try to separate the pipe at joints. This webinar covers the design of two different types of measures to offset these large forces: thrust blocks and restrained joints. The design of thrust blocks is more complicated than the standard details that are often used, and the design for joint restraint requires an understanding of the resisting forces and an understanding of the calculations necessary to determine the length of pipe that needs to be restrained. This webinar also provides examples of numerous types of joint restraint products that are available.

Primary Discussion Topics

  • Thrust forces at bends, tees, valves and plugs
  • Soil parameters
  • Sizing thrust blocks
  • Restrained joint types
  • Required restrained joint length

Learning Outcomes

  • Understand the forces in pressure pipes at bends
  • Understand how thrust blocks resist the thrust forces
  • Understand how restrained joints resist the thrust forces

Webinar Benefits

  • Learn how pipe pressure influences the thrust forces at bends
  • Find out why the standard details for thrust blocks may be inadequate for your location
  • Learn how thrust block should be sized
  • Examine some of the options now available to restrain joint, in lieu of thrust blocks
  • Learn how to calculate the required length of pipe that needs to be restrained

Intended Audience

  • Water system design engineers
  • Wastewater system design engineers
  • Public agency engineers

Webinar Outline

  • Thrust force calculations
  • Soil parameters for thrust block sizing
  • Sizing thrust blocks
  • Review of joint restraint types
  • Calculation of required length of restrained joints

See the ASCE website for more info.

The Central Ohio Section of ASCE sponsors free continuing education webinars as a service to our members. These webinars are produced by ASCE and normally cost $250 or $300 for ASCE members. However, the Central Ohio Section is paying the registration fee and inviting any interested section members to attend for free. Just RSVP by the deadline. Seating is limited, so do not delay.

The Central Ohio Section is partnering with ASCE to promote live and on-demand webinars. Use the Promo Code WEBCENOHSEC when signing up and ASCE will provide a portion of the registration fee to the Section to use toward more free webinars. Thank you for your support!

ASCE’s live webinars provide cost-effective training for large and small groups. Click HERE for a complete list of available live webinars.

ASCE’s on-demand webinars provide real-world knowledge and convenient delivery to fit your demanding schedule. Click HERE for a complete list of available on-demand webinars.



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