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Dowel Bar Retrofit

John Huang, Ph.D., PE and John Poullain, PE

This two-hour online course describes the pavement load transfer through dowel bar retrofits (DBR) to maintain and preserve concrete pavements. The Caltrans text can serve as a reference and ranges from general instructions to specific practices for the procedures. Topics discussed are the selection and use of concrete materials, dowel layout and placement, construction processes, pavement distress types, checklists, and troubleshooting guides. Photographs and drawings illustrate the treatment techniques. Among the topics covered by this course:

Purpose of dowel bar retrofits (DBR). Factors to consider for selecting DBR for pavement projects. Design and material considerations. Dowel bar retrofit layout and placement. Installation and construction methods. Construction equipment used. Checklists, troubleshooting guides and solutions for DBR.

This course should benefit civil engineers, pavement engineers, transportation engineers, field and office personnel, supervisors and maintenance personnel.

This course includes a multiple-choice quiz at the end, which is designed to enhance the understanding of the course materials.

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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.

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