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Concrete Repair - Selection of Repair Methods

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

This three-hour online course provides general guidelines for diagnosing concrete defects and selecting the methods and materials for repair of defective or damaged concrete. The existing condition and cause or causes of defects are evaluated to select the suitable method and materials for a successful and durable concrete repair. Typical causes and symptoms are explained and the best repair method and materials are presented. Concrete deficiencies include cracking, surface deterioration, construction faults, joint damages, erosion, seepage, and spalling. The student will have an understanding of the terms commonly used to describe cracking, general physical conditions, and other defects. Descriptive examples and representative photos of the various types of concrete defects are presented. The types of investigations, testing, analysis, and inspections used to determine the extent and possible causes of concrete damages are discussed. Common causes for concrete deficiency such as accidental loading, chemical attacks, improper construction or design, and temperature changes are described along with the typical symptoms and preventative measures. The student will also gain an understanding of the general procedures, equipment, and tests used for core drilling, underwater inspection, and nondestructive testing. Examples of advantages and limitations of the repair methods and materials are discussed.

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.