Repair of ConcreteSee upcoming dates
This course will show you how to evaluate the condition of your concrete and how to protect your existing concrete with the right repair materials and techniques. Specifically, you’ll come away with honed repair methods for structural concrete, floor slabs, and slabs on grade, along with strategies for reinforcing and post-tensioning.
Who Should Attend?
- Project managers
- Facility managers
Welcome and Introductions
Achieving Durable Concrete in Your Repair Projects
- Concrete materials
- Quality design, materials, and workmanship
- Placement, consolidating, and finishing
- Concrete curing
- Common forms of concrete deterioration
- Examples of field problems
- Repair approach
- Consideration of many parameters
Evaluating Concrete Condition
- Types of damage
- Cracking, water leakage, and staining
- Corrosion-related damage
- Structural deficiencies and distress
- Fire damage
- Strength and durability considerations
- Assessing the risk of failure
- Methods of damage assessment
Fundamentals of Concrete Repair
- Recent history of concrete repair; evolution
- Surface preparation and removal techniques
- Conventional methods
- Hydraulic nibblers
- Diamond cutting
- Mechanical scarification
- Abrasive blasting
- Reinforcing steel
- Achieving bond
- Material delivery (packaging) to site
- Placement techniques
- Fundamentals of application of concrete repair materials
Understanding the Corrosion Process
- Steel bar installed in an elevated energy state
- Factors affecting concrete chemistry
- What is passivation of steel?
- How the protected layer is formed
- Corrosion chemistry
- How to disrupt the corrosion process
- Treatments to slow corrosion process
- Post-tensioning repairs
- External post-tensioning
- Shear collars
- Supplemental shear reinforcement
- Using appropriate repair methods for different structure types
- Case studies
Protection Methods for Concrete Structures
- Cathodic protection
Concrete Repair Specifications
- Writing a specification for quality repair
- Monitoring repairs for conformance to specifications
- A versatile repair approach
- Wet mix or dry mix?
- Skill of nozzleman and entire crew
- Short examples of shotcrete use
Repair of Floor Slabs
- Crack repair
- Epoxy injection
- Route and seal
- Joint stabilization
- Load transfer devices
- Overlays and coatings
- Latex modified concrete
- Thin polymer
Pavement and Slab-on-grade Evaluation Methods
- Objectives of comprehensive evaluation
- References and standards
- Manual assessments
- Laboratory evaluation of materials
- Developing a restoration strategy
Repair of Pavement, Sidewalks, and Exterior Slabs on Grade
- Full-depth repairs
- Partial-depth repairs
- Load transfer restoration
- Slab stabilization
- Diamond grinding
- Joint and crack sealing
- Bonded and unbounded overlays
"Absolutely great! I can't believe you were able to cover so many different areas in so much depth in 3 days. Way better than the paper brochure indicated."
— Travis, DGR Engineering, Rock Rapids, IA
"I am walking away feeling a lot more confident than when I got here...Don't know any other way I could have learned so much so quick."
— Brian, Concrete Repair & Restoration, Indian Trail, NC
Michael E. Ayers, PhD, is the founder and president of Global Pavement Consultants, Inc. Ayers has more than 30 years of experience in research, design, construction, materials, rehabilitation, and training, focusing on concrete pavements. He has served the industry in academia, private consulting, and as an industry spokesperson with a national trade organization. Ayers has served as an instructor at World of Concrete for over a decade.
James P. Donnelly, PE, SE, is a principal with Wiss, Janney, Elstner Associates, Inc., Northbrook, Illinois. Donnelly is involved in structural investigations and repairs, including major investigations of distress in post-tensioned, precast, and conventionally reinforced concrete structures. He has also developed repair specifications for collapsed decks, precast wall panels, and many other concrete structure defects. Donnelly serves on the ACI committees on Prestressed Concrete and Parking Structures and on Post-Tensioning Institute (PTI) Repair and Rehabilitation Committee.
George W. Seegebrecht, PE, FACI, is the founder and principal of Concrete Consulting Engineers, LLC, Westchester, Illinois. Seegebrecht has more than 35 years of experience in concrete research, evaluation, and repair of distressed concrete. His responsibilities have included recommending repair methods for buildings, parking facilities, bridges, pavements, and other structures. He is a member of ACI committees including Specifications for Structural Concrete, Pervious Concrete, and numerous certification committees. He is also an associate member of the ACI Shotcrete Committee. Seegebrecht serves as Examiner of Record for the ACI-Illinois Certification Program.
Brent D. Anderson, PE is principal at BDA Associates, LLC, heading a company that offers numerous services in construction and repair of buildings, with an emphasis on waterproofing. His projects include Los Angeles Subway; Pink Palace Museum, Memphis, Tennessee; United Airlines Terminal, Chicago; and First Hawaii Center, Honolulu. Anderson is the author of a book on waterproofing and has written articles on the subject for Concrete Construction, Architecture Minnesota, and The Construction Specifier. He has lectured at more than 300 events nationwide for groups such as The World of Concrete and the National Association of Homebuilders.
Upcoming dates (1)
Apr. 6-8, 2022
Repair of Concrete
Location: Madison, WI
Course #: RA00280-C301
- Fee covers morning and afternoon breaks, scheduled lunches and course materials
- CEU: 2.2
- PDH: 22
- LU/HSW: 22
- 4/6/2022 08:00am - 05:00pm
- 4/7/2022 08:00am - 05:00pm
- 4/8/2022 08:00am - 03:00pm
Instructor(s)Mike Ayers, James Donnelly, George Seegebrecht, Brent Anderson
If you cannot attend, please notify us no later than one week before your course begins, and we will refund your fee. Cancellations received after this date and no-shows are subject to a $150 administrative fee. You may enroll a substitute at any time before the course starts.
Repair of ConcreteCourse #: RA00280
Repair of ConcreteDate: Mon. April 19, 2021 – Fri. April 23, 2021
Fee covers course instruction and PDF materials for download.
- CEU: 2.2
- PDH: 22
- LU/HSW: 22
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