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Does bitumen coating on Ductile Iron bond well to concrete 1

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dekai

dekai

Civil/Environmental
Joined
Dec 5, 2002
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1
Location
NZ
Do ductile iron pipes with bitumen external coating achieve a good bond with the concrete manhole in wastewater (sewerage) applications? How else could satisfactory bond be attained?
 
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Bitumen is a good bond breaker. The only way to seal a penetration through a concrete or brick wall effectively is to fit a pipe with a puddle flange.

 
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