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CASE S18 - Concrete Repair, P. Malone
Failure of concrete patches.
Problem:
Symptoms: The repairs made to concrete walls were not lasting a reasonable
length of time. Poor bonding to the old surface was apparent in most cases.
Collection of Facts: A review of the procedure indicated that not all the
personnel involved in the concrete repair process were aware of the importance
of a clean rough surface as well as other factors in good concrete repair
procedures.
Solution: The engineering staff and the maintenance staff shall train the
work crews before they are sent out to undertake repair projects on concrete.
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