Waterproofing Membranes for Concrete Bridge Decks (2012) / Chapter Skim
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Pages 30-32
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From page 30... ...
decks and 6 to 20 years for existing bridge decks. Based on the information supplied, it was not possible to determine The ideal waterproofing system should satisfy the follow- whether prefabricated systems or liquids systems last longer.
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From page 31... ...
Defects listed as "Other" in Figure 14 included spalling and reported that the service life of hot mix asphalt with a pre- deterioration of the concrete deck below the membrane and formed membrane would be less than 10 years if the overlay insufficient thickness of membrane material. failed when used to extend the service life of existing bridge decks.
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From page 32... ...
, Kansas currently uses bridge decks were 14 and 15 years old at the time of their res- asphalt membrane overlays only as a rehabilitation measure toration. Fourteen years after installation, both decks receive on existing bridge decks in very bad condition to extend ratings of "good" from the Kansas Department of Transpor- the service life by 3 to 5 years.
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