CCLT - Dr. Ian Moore on Pipeline Response to Imposed Ground Movement

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Austrian Canadian Cultural Centre

3112 11 Street Northeast

Calgary, AB T2E 7J1

Canada

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Dr. Ian Moore: leader in research into linear infrastructure and co-editor for the CFEM is in Calgary for the Cross Canada Lecture Tour

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DETAILS:

5:30 – 6:00 pm: Cash bar and light snack

6:00 – 6:30 pm: Buffet Dinner

6:30 - 7:30: Presentation

COST: $50 for general admission; $20 for students. Limited tickets will be available at the door for cash or cheque only. Pre-registration is required for all tickets.

SPEAKER

Dr. Moore is a Civil Engineer specializing in Geotechnical Engineering, Engineering Mechanics, Non-linear Soil-structure Interaction, and the Non-linear Mechanics of Shell Structures like pipes interacting with solids such as soil, employing both computational and experimental methods. His work includes research on stability limit states for long-span flexible culverts, buried pipes (concrete, steel, aluminum, polyethylene and PVC), manholes and buried tanks. Recent research includes continued development of design methods for thermoplastic, metal and concrete culverts, assessment of strength of corroded metal (corrugated steel and cast iron) pipes, behaviour of liners used to repair gravity flow and pressure pipelines, soil-pipe interaction during pipe bursting and horizontal directional drilling, behaviour and design of pipe joints and of continuous and jointed pipelines when subjected to differential ground movements.

TOPIC: Some Days the Earth Doesn’t Stand Still: Pipeline Response to Imposed Ground Movement.

Various circumstances arise where pipelines are subjected to ground movement, and successful pipeline performance is contingent on understanding and accounting for the resulting pipe-soil interaction. This presentation presents the results of experimental and computational studies examining the details of three kinds of ground motions.

Firstly, problems involving movement laterally past pipelines buried within are examined, such as those that result from down slope soil movements or as soil is displaced ahead and below the keel of an iceberg. Measurements of pipe deformations and bending are compared with three dimensional finite element analyses. Experimental observations of soil displacement fields, strain fields, and zones of localized shear failure around pipelines are then presented, and compared with nonlinear finite element analyses.

Secondly, pipeline response to differential ground movement is studied where the pipeline straddles across a normal ground fault. Centrifuge studies are used to investigate the impact of pipeline flexibility on behaviour, as well as the performance of conventional ‘beam on elastic spring’ buried pipeline models. Prototype scale experiments using a new test box are then discussed, for both continuous PVC and jointed clay sewer pipes.

Lastly, investigations into the causes of cast iron pipe fracture are summarized, resulting from frost heave in the overlying soil materials. Conclusions regarding the causes of ring fracture in small diameter pipes during extreme cold events are drawn, and potential approaches to identify and remedy these issues.

Date and Time

Location

Austrian Canadian Cultural Centre

3112 11 Street Northeast

Calgary, AB T2E 7J1

Canada

View Map

Refund Policy

Contact the organizer to request a refund.

Eventbrite's fee is nonrefundable.

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