Halcrow's senior consultant (bridge engineering) Roger Buckby said the primary cause of the cracks was the delayed ettringite formation (DEF)
Collepardi said: in the absence of any of these elements (as shown in the diagram above), DEF-related deterioration cannot occur.
Below is the DEF crack pattern:
Below is the crack pattern on Pier 28:
How can this be due to DEF?
2 comments:
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