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Slab Jacking of PCC Road Panels

Slab Jacking of PCC Road Panels

Slab Jacking of PCC Road Panels

(OP)
I have several sections of pcc roadway slabs that have settled, creating rough ride.  I am considering two injection products to adjust the panels to grade, power slurry injection of a grout type material or injection of a "Uretek" product.  What are the pros and cons for each.  What service life can I expect to see from each?  

RE: Slab Jacking of PCC Road Panels

What caused the settlement?



Please see FAQ731-376 for great suggestions on how to make the best use of Eng-Tips Fora.  See FAQ158-922 for recommendations regarding the question, "How Do You Evaluate Fill Settlement Beneath Structures?"

RE: Slab Jacking of PCC Road Panels

(OP)
The settlement was most likey caused by moisture seeping through the joints and cracked areas, displacing fines in the subgrade.  

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