The development of early age cracking and the primary contributing factors will be discussed, including:
- plastic shrinkage
- autogenous shrinkage
- thermal effects
The typical cracking patterns associated with these early age crack will also be presented.
A case study will be presented where early age transverse cracking developed in numerous western Montana bridge decks. Within the first few years of service, the cracking progressed to cause full depth holes (penetrations) in two of the decks. A brief overview of project will be presented: including field investigation, laboratory studies, and finite element modeling analyses.
- Develop an understanding of the types of early age concrete cracking and associated cracking patterns
- Learn about the causes of early age cracking patterns
- Discover how early age cracking can be diagnosed and prevented by reviewing a case study
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