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PDH Online Course Description PDH Units/
Learning Units (Hours)
NA N259
Wick Drains & Earthquake Drains and Anchors (2-Hour Live Webinar)

Meredith Long & Frank DiSalvo, PE

Wick drains are prefabricated geotextile wrapped plastic strips with molded channels which act as drainage channels to take pore water out of soft compressible soil so it consolidates faster, often from decades to months. Earthquake drains also assist in draining water from the soil but do so during seismic events for soil subject to liquefaction.

Anchors transfer loads using grouted thread bars or strand tendons connected to a structure and bonding into stable soil or rock. They are commonly used in excavation support, tie down applications and slope stabilization. Anchors consist of full-length holes that are drilled vertical for uplift support or at angles for lateral support into the bond zone in soil or rock.

Keller North America provides a wide range of geotechnical engineering and construction services to improve soils in-place and to both construct new and to rehabilitate foundations. The techniques that will be discussed include Compaction & Jet Grouting, Embankment Stabilization & Excavation Support, Vibro Compaction & Replacement, Micropiles and Pile Driving. Within our range of services, a Ground Modification solution is generally available for the toughest subsurface conditions.

If you have already attended this seminar and would like to obtain a Certificate of Completion free of charge, please click on the following link:

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NY PE & PLS: You must choose courses that are technical in nature or related to matters of laws and ethics contributing to the health and welfare of the public. NY Board does not accept courses related to office management, risk management, leadership, marketing, accounting, financial planning, real estate, and basic CAD. Specific course topics that are on the borderline and are not acceptable by the NY Board have been noted under the course description on our website.