We have used controlled density fill (CDF)around many utilties with mixed results. CDF is a pozzolanic mixture of fly ash, sand and cement. It is high strength and flowable. However, the specified mix is important because many times it hardens like cement and can be very diffcult to...
Does anyone have recommendations regarding the use of geotextiles in preventing reflective cracking when constructing asphalt overlays? We are considering whether or not they are economical in extending the life of the pavement.
