Ashphalt over concrete


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Old 03-25-04, 09:25 AM
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Ashphalt over concrete

I have a concrete driveway 3 cars wide and 35 ft long,its cracked and pitted,looks bad,can i put ashphalt over it and if so how thick would i need it,never has anything heavier than a car or pickup on it. How does it compare in cost to concrete,i suppose if i was to use conctrete again i would have to rip the old stuff up or could i just pour over it and if i could pour concrete over the old,how thick would i need it.
 
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Old 03-25-04, 04:39 PM
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Failed concrete usually needs to be removed to provide a stable base for any other pavement.
 
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Old 03-25-04, 04:45 PM
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You can asphalt over a good concrete base but it doesn't sound like you have that. Better to break it out and start from the base rock.
 
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Old 03-29-04, 08:04 PM
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sounds like the ground is not very stable. After you tear the concrete out make a strong base packed with caliche or something similar.
 
  #5  
Old 03-30-04, 08:57 AM
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The base may not have been prepared properly before the concrete was installed.
 
 

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